diff --git a/README.md b/README.md index f3fe5e3bf0..378d77196a 100644 --- a/README.md +++ b/README.md @@ -14,7 +14,7 @@ Java and Spring Tutorials ================ This project is **a collection of small and focused tutorials** - each covering a single and well defined area of development in the Java ecosystem. -A strong focus of these is, of course, the Spring Framework - Spring, Spring Boot and Spring Securiyt. +A strong focus of these is, of course, the Spring Framework - Spring, Spring Boot and Spring Security. In additional to Spring, the following technologies are in focus: `core Java`, `Jackson`, `HttpClient`, `Guava`. diff --git a/akka-http/README.md b/akka-http/README.md new file mode 100644 index 0000000000..3831b5079f --- /dev/null +++ b/akka-http/README.md @@ -0,0 +1,3 @@ +## Relevant articles: + +- [Introduction to Akka HTTP](https://www.baeldung.com/akka-http) diff --git a/algorithms-miscellaneous-1/README.md b/algorithms-miscellaneous-1/README.md index a725bbd141..6f18396005 100644 --- a/algorithms-miscellaneous-1/README.md +++ b/algorithms-miscellaneous-1/README.md @@ -12,4 +12,6 @@ - [Check If a String Contains All The Letters of The Alphabet](https://www.baeldung.com/java-string-contains-all-letters) - [Find the Middle Element of a Linked List](http://www.baeldung.com/java-linked-list-middle-element) - [Calculate Factorial in Java](https://www.baeldung.com/java-calculate-factorial) -- [Find Substrings That Are Palindromes in Java](https://www.baeldung.com/java-palindrome-substrings) \ No newline at end of file +- [Find Substrings That Are Palindromes in Java](https://www.baeldung.com/java-palindrome-substrings) +- [Find the Longest Substring without Repeating Characters](https://www.baeldung.com/java-longest-substring-without-repeated-characters) +- [Java Two Pointer Technique](https://www.baeldung.com/java-two-pointer-technique) diff --git a/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/permutation/Permutation.java b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/permutation/Permutation.java new file mode 100644 index 0000000000..7fedd78ffb --- /dev/null +++ b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/permutation/Permutation.java @@ -0,0 +1,123 @@ +package com.baeldung.algorithms.permutation; + +import java.util.Arrays; +import java.util.Collections; + +public class Permutation { + + public static void printAllRecursive(T[] elements, char delimiter) { + printAllRecursive(elements.length, elements, delimiter); + } + + public static void printAllRecursive(int n, T[] elements, char delimiter) { + + if(n == 1) { + printArray(elements, delimiter); + } else { + for(int i = 0; i < n-1; i++) { + printAllRecursive(n - 1, elements, delimiter); + if(n % 2 == 0) { + swap(elements, i, n-1); + } else { + swap(elements, 0, n-1); + } + } + printAllRecursive(n - 1, elements, delimiter); + } + } + + public static void printAllIterative(int n, T[] elements, char delimiter) { + + int[] indexes = new int[n]; + for (int i = 0; i < n; i++) { + indexes[i] = 0; + } + + printArray(elements, delimiter); + + int i = 0; + while (i < n) { + if (indexes[i] < i) { + swap(elements, i % 2 == 0 ? 0: indexes[i], i); + printArray(elements, delimiter); + indexes[i]++; + i = 0; + } + else { + indexes[i] = 0; + i++; + } + } + } + + public static > void printAllOrdered(T[] elements, char delimiter) { + + Arrays.sort(elements); + boolean hasNext = true; + + while(hasNext) { + printArray(elements, delimiter); + int k = 0, l = 0; + hasNext = false; + for (int i = elements.length - 1; i > 0; i--) { + if (elements[i].compareTo(elements[i - 1]) > 0) { + k = i - 1; + hasNext = true; + break; + } + } + + for (int i = elements.length - 1; i > k; i--) { + if (elements[i].compareTo(elements[k]) > 0) { + l = i; + break; + } + } + + swap(elements, k, l); + Collections.reverse(Arrays.asList(elements).subList(k + 1, elements.length)); + } + } + + public static void printRandom(T[] elements, char delimiter) { + + Collections.shuffle(Arrays.asList(elements)); + printArray(elements, delimiter); + } + + private static void swap(T[] elements, int a, int b) { + + T tmp = elements[a]; + elements[a] = elements[b]; + elements[b] = tmp; + } + + private static void printArray(T[] elements, char delimiter) { + + String delimiterSpace = delimiter + " "; + for(int i = 0; i < elements.length; i++) { + System.out.print(elements[i] + delimiterSpace); + } + System.out.print('\n'); + } + + public static void main(String[] argv) { + + Integer[] elements = {1,2,3,4}; + + System.out.println("Rec:"); + printAllRecursive(elements, ';'); + + System.out.println("Iter:"); + printAllIterative(elements.length, elements, ';'); + + System.out.println("Orderes:"); + printAllOrdered(elements, ';'); + + System.out.println("Random:"); + printRandom(elements, ';'); + + System.out.println("Random:"); + printRandom(elements, ';'); + } +} diff --git a/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/LinkedListFindMiddle.java b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/LinkedListFindMiddle.java new file mode 100644 index 0000000000..a7031f4fba --- /dev/null +++ b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/LinkedListFindMiddle.java @@ -0,0 +1,16 @@ +package com.baeldung.algorithms.twopointertechnique; + +public class LinkedListFindMiddle { + + public T findMiddle(MyNode head) { + MyNode slowPointer = head; + MyNode fastPointer = head; + + while (fastPointer.next != null && fastPointer.next.next != null) { + fastPointer = fastPointer.next.next; + slowPointer = slowPointer.next; + } + return slowPointer.data; + } + +} diff --git a/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/MyNode.java b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/MyNode.java new file mode 100644 index 0000000000..7d93f03ef9 --- /dev/null +++ b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/MyNode.java @@ -0,0 +1,20 @@ +package com.baeldung.algorithms.twopointertechnique; + +public class MyNode { + MyNode next; + E data; + + public MyNode(E value) { + data = value; + next = null; + } + + public MyNode(E value, MyNode n) { + data = value; + next = n; + } + + public void setNext(MyNode n) { + next = n; + } +} diff --git a/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/RotateArray.java b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/RotateArray.java new file mode 100644 index 0000000000..b4e3698c01 --- /dev/null +++ b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/RotateArray.java @@ -0,0 +1,22 @@ +package com.baeldung.algorithms.twopointertechnique; + +public class RotateArray { + + public void rotate(int[] input, int step) { + step %= input.length; + reverse(input, 0, input.length - 1); + reverse(input, 0, step - 1); + reverse(input, step, input.length - 1); + } + + private void reverse(int[] input, int start, int end) { + while (start < end) { + int temp = input[start]; + input[start] = input[end]; + input[end] = temp; + start++; + end--; + } + } + +} diff --git a/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/TwoSum.java b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/TwoSum.java new file mode 100644 index 0000000000..14eceaa1bd --- /dev/null +++ b/algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/twopointertechnique/TwoSum.java @@ -0,0 +1,38 @@ +package com.baeldung.algorithms.twopointertechnique; + +public class TwoSum { + + public boolean twoSum(int[] input, int targetValue) { + + int pointerOne = 0; + int pointerTwo = input.length - 1; + + while (pointerOne < pointerTwo) { + int sum = input[pointerOne] + input[pointerTwo]; + + if (sum == targetValue) { + return true; + } else if (sum < targetValue) { + pointerOne++; + } else { + pointerTwo--; + } + } + + return false; + } + + public boolean twoSumSlow(int[] input, int targetValue) { + + for (int i = 0; i < input.length; i++) { + for (int j = 1; j < input.length; j++) { + if (input[i] + input[j] == targetValue) { + return true; + } + } + } + + return false; + } + +} diff --git a/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/LinkedListFindMiddleUnitTest.java b/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/LinkedListFindMiddleUnitTest.java new file mode 100644 index 0000000000..422a53fa3e --- /dev/null +++ b/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/LinkedListFindMiddleUnitTest.java @@ -0,0 +1,37 @@ +package com.baeldung.algorithms.twopointertechnique; + +import static org.assertj.core.api.Assertions.assertThat; + +import org.junit.Test; + +public class LinkedListFindMiddleUnitTest { + + LinkedListFindMiddle linkedListFindMiddle = new LinkedListFindMiddle(); + + @Test + public void givenLinkedListOfMyNodes_whenLinkedListFindMiddle_thenCorrect() { + + MyNode head = createNodesList(8); + + assertThat(linkedListFindMiddle.findMiddle(head)).isEqualTo("4"); + + head = createNodesList(9); + + assertThat(linkedListFindMiddle.findMiddle(head)).isEqualTo("5"); + } + + private static MyNode createNodesList(int n) { + + MyNode head = new MyNode("1"); + MyNode current = head; + + for (int i = 2; i <= n; i++) { + MyNode newNode = new MyNode(String.valueOf(i)); + current.setNext(newNode); + current = newNode; + } + + return head; + } + +} diff --git a/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/RotateArrayUnitTest.java b/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/RotateArrayUnitTest.java new file mode 100644 index 0000000000..da227ae751 --- /dev/null +++ b/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/RotateArrayUnitTest.java @@ -0,0 +1,26 @@ +package com.baeldung.algorithms.twopointertechnique; + +import static org.assertj.core.api.Assertions.assertThat; + +import org.junit.Test; + +public class RotateArrayUnitTest { + + private RotateArray rotateArray = new RotateArray(); + + private int[] inputArray; + + private int step; + + @Test + public void givenAnArrayOfIntegers_whenRotateKsteps_thenCorrect() { + + inputArray = new int[] { 1, 2, 3, 4, 5, 6, 7 }; + step = 4; + + rotateArray.rotate(inputArray, step); + + assertThat(inputArray).containsExactly(new int[] { 4, 5, 6, 7, 1, 2, 3 }); + } + +} diff --git a/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/TwoSumUnitTest.java b/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/TwoSumUnitTest.java new file mode 100644 index 0000000000..aa76f8e1cf --- /dev/null +++ b/algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/twopointertechnique/TwoSumUnitTest.java @@ -0,0 +1,56 @@ +package com.baeldung.algorithms.twopointertechnique; + +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + +import org.junit.Test; + +public class TwoSumUnitTest { + + private TwoSum twoSum = new TwoSum(); + + private int[] sortedArray; + + private int targetValue; + + @Test + public void givenASortedArrayOfIntegers_whenTwoSumSlow_thenPairExists() { + + sortedArray = new int[] { 0, 1, 2, 3, 4, 5, 5, 6, 7, 8, 9, 9 }; + + targetValue = 12; + + assertTrue(twoSum.twoSumSlow(sortedArray, targetValue)); + } + + @Test + public void givenASortedArrayOfIntegers_whenTwoSumSlow_thenPairDoesNotExists() { + + sortedArray = new int[] { 0, 1, 2, 3, 4, 5, 5, 6, 7, 8, 9, 9 }; + + targetValue = 20; + + assertFalse(twoSum.twoSumSlow(sortedArray, targetValue)); + } + + @Test + public void givenASortedArrayOfIntegers_whenTwoSum_thenPairExists() { + + sortedArray = new int[] { 0, 1, 2, 3, 4, 5, 5, 6, 7, 8, 9, 9 }; + + targetValue = 12; + + assertTrue(twoSum.twoSum(sortedArray, targetValue)); + } + + @Test + public void givenASortedArrayOfIntegers_whenTwoSum_thenPairDoesNotExists() { + + sortedArray = new int[] { 0, 1, 2, 3, 4, 5, 5, 6, 7, 8, 9, 9 }; + + targetValue = 20; + + assertFalse(twoSum.twoSum(sortedArray, targetValue)); + } + +} diff --git a/apache-spark/pom.xml b/apache-spark/pom.xml index 290b63a14d..b05b97198d 100644 --- a/apache-spark/pom.xml +++ b/apache-spark/pom.xml @@ -15,16 +15,76 @@ - org.apache.spark - spark-core_2.10 + spark-core_2.11 ${org.apache.spark.spark-core.version} + provided + + org.apache.spark + spark-sql_2.11 + ${org.apache.spark.spark-sql.version} + provided + + + org.apache.spark + spark-streaming_2.11 + ${org.apache.spark.spark-streaming.version} + provided + + + org.apache.spark + spark-streaming-kafka-0-10_2.11 + ${org.apache.spark.spark-streaming-kafka.version} + + + com.datastax.spark + spark-cassandra-connector_2.11 + ${com.datastax.spark.spark-cassandra-connector.version} + + + com.datastax.spark + spark-cassandra-connector-java_2.11 + ${com.datastax.spark.spark-cassandra-connector-java.version} + - + + + + org.apache.maven.plugins + maven-compiler-plugin + 3.2 + + 1.8 + 1.8 + + + + maven-assembly-plugin + + + package + + single + + + + + + jar-with-dependencies + + + + + - 2.2.0 + 2.3.0 + 2.3.0 + 2.3.0 + 2.3.0 + 2.3.0 + 1.5.2 diff --git a/apache-spark/src/main/java/com/baeldung/data/pipeline/Word.java b/apache-spark/src/main/java/com/baeldung/data/pipeline/Word.java new file mode 100644 index 0000000000..b0caa468b1 --- /dev/null +++ b/apache-spark/src/main/java/com/baeldung/data/pipeline/Word.java @@ -0,0 +1,25 @@ +package com.baeldung.data.pipeline; + +import java.io.Serializable; + +public class Word implements Serializable { + private static final long serialVersionUID = 1L; + private String word; + private int count; + Word(String word, int count) { + this.word = word; + this.count = count; + } + public String getWord() { + return word; + } + public void setWord(String word) { + this.word = word; + } + public int getCount() { + return count; + } + public void setCount(int count) { + this.count = count; + } +} \ No newline at end of file diff --git a/apache-spark/src/main/java/com/baeldung/data/pipeline/WordCountingApp.java b/apache-spark/src/main/java/com/baeldung/data/pipeline/WordCountingApp.java new file mode 100644 index 0000000000..db2a73b411 --- /dev/null +++ b/apache-spark/src/main/java/com/baeldung/data/pipeline/WordCountingApp.java @@ -0,0 +1,80 @@ +package com.baeldung.data.pipeline; + +import static com.datastax.spark.connector.japi.CassandraJavaUtil.javaFunctions; +import static com.datastax.spark.connector.japi.CassandraJavaUtil.mapToRow; + +import java.util.Arrays; +import java.util.Collection; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.apache.kafka.clients.consumer.ConsumerRecord; +import org.apache.kafka.common.serialization.StringDeserializer; +import org.apache.log4j.Level; +import org.apache.log4j.Logger; +import org.apache.spark.SparkConf; +import org.apache.spark.api.java.JavaRDD; +import org.apache.spark.streaming.Durations; +import org.apache.spark.streaming.api.java.JavaDStream; +import org.apache.spark.streaming.api.java.JavaInputDStream; +import org.apache.spark.streaming.api.java.JavaPairDStream; +import org.apache.spark.streaming.api.java.JavaStreamingContext; +import org.apache.spark.streaming.kafka010.ConsumerStrategies; +import org.apache.spark.streaming.kafka010.KafkaUtils; +import org.apache.spark.streaming.kafka010.LocationStrategies; + +import scala.Tuple2; + +public class WordCountingApp { + + public static void main(String[] args) throws InterruptedException { + Logger.getLogger("org") + .setLevel(Level.OFF); + Logger.getLogger("akka") + .setLevel(Level.OFF); + + Map kafkaParams = new HashMap<>(); + kafkaParams.put("bootstrap.servers", "localhost:9092"); + kafkaParams.put("key.deserializer", StringDeserializer.class); + kafkaParams.put("value.deserializer", StringDeserializer.class); + kafkaParams.put("group.id", "use_a_separate_group_id_for_each_stream"); + kafkaParams.put("auto.offset.reset", "latest"); + kafkaParams.put("enable.auto.commit", false); + + Collection topics = Arrays.asList("messages"); + + SparkConf sparkConf = new SparkConf(); + sparkConf.setMaster("local[2]"); + sparkConf.setAppName("WordCountingApp"); + sparkConf.set("spark.cassandra.connection.host", "127.0.0.1"); + + JavaStreamingContext streamingContext = new JavaStreamingContext(sparkConf, Durations.seconds(1)); + + JavaInputDStream> messages = KafkaUtils.createDirectStream(streamingContext, LocationStrategies.PreferConsistent(), ConsumerStrategies. Subscribe(topics, kafkaParams)); + + JavaPairDStream results = messages.mapToPair(record -> new Tuple2<>(record.key(), record.value())); + + JavaDStream lines = results.map(tuple2 -> tuple2._2()); + + JavaDStream words = lines.flatMap(x -> Arrays.asList(x.split("\\s+")) + .iterator()); + + JavaPairDStream wordCounts = words.mapToPair(s -> new Tuple2<>(s, 1)) + .reduceByKey((i1, i2) -> i1 + i2); + + wordCounts.foreachRDD(javaRdd -> { + Map wordCountMap = javaRdd.collectAsMap(); + for (String key : wordCountMap.keySet()) { + List wordList = Arrays.asList(new Word(key, wordCountMap.get(key))); + JavaRDD rdd = streamingContext.sparkContext() + .parallelize(wordList); + javaFunctions(rdd).writerBuilder("vocabulary", "words", mapToRow(Word.class)) + .saveToCassandra(); + } + }); + + streamingContext.start(); + streamingContext.awaitTermination(); + } +} \ No newline at end of file diff --git a/apache-spark/src/main/java/com/baeldung/data/pipeline/WordCountingAppWithCheckpoint.java b/apache-spark/src/main/java/com/baeldung/data/pipeline/WordCountingAppWithCheckpoint.java new file mode 100644 index 0000000000..efbe5f3851 --- /dev/null +++ b/apache-spark/src/main/java/com/baeldung/data/pipeline/WordCountingAppWithCheckpoint.java @@ -0,0 +1,97 @@ +package com.baeldung.data.pipeline; + +import static com.datastax.spark.connector.japi.CassandraJavaUtil.javaFunctions; +import static com.datastax.spark.connector.japi.CassandraJavaUtil.mapToRow; + +import java.util.Arrays; +import java.util.Collection; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.apache.kafka.clients.consumer.ConsumerRecord; +import org.apache.kafka.common.serialization.StringDeserializer; +import org.apache.log4j.Level; +import org.apache.log4j.Logger; +import org.apache.spark.SparkConf; +import org.apache.spark.api.java.JavaRDD; +import org.apache.spark.api.java.JavaSparkContext; +import org.apache.spark.api.java.function.Function2; +import org.apache.spark.streaming.Durations; +import org.apache.spark.streaming.StateSpec; +import org.apache.spark.streaming.api.java.JavaDStream; +import org.apache.spark.streaming.api.java.JavaInputDStream; +import org.apache.spark.streaming.api.java.JavaMapWithStateDStream; +import org.apache.spark.streaming.api.java.JavaPairDStream; +import org.apache.spark.streaming.api.java.JavaStreamingContext; +import org.apache.spark.streaming.kafka010.ConsumerStrategies; +import org.apache.spark.streaming.kafka010.KafkaUtils; +import org.apache.spark.streaming.kafka010.LocationStrategies; + +import scala.Tuple2; + +public class WordCountingAppWithCheckpoint { + + public static JavaSparkContext sparkContext; + + public static void main(String[] args) throws InterruptedException { + + Logger.getLogger("org") + .setLevel(Level.OFF); + Logger.getLogger("akka") + .setLevel(Level.OFF); + + Map kafkaParams = new HashMap<>(); + kafkaParams.put("bootstrap.servers", "localhost:9092"); + kafkaParams.put("key.deserializer", StringDeserializer.class); + kafkaParams.put("value.deserializer", StringDeserializer.class); + kafkaParams.put("group.id", "use_a_separate_group_id_for_each_stream"); + kafkaParams.put("auto.offset.reset", "latest"); + kafkaParams.put("enable.auto.commit", false); + + Collection topics = Arrays.asList("messages"); + + SparkConf sparkConf = new SparkConf(); + sparkConf.setMaster("local[2]"); + sparkConf.setAppName("WordCountingAppWithCheckpoint"); + sparkConf.set("spark.cassandra.connection.host", "127.0.0.1"); + + JavaStreamingContext streamingContext = new JavaStreamingContext(sparkConf, Durations.seconds(1)); + + sparkContext = streamingContext.sparkContext(); + + streamingContext.checkpoint("./.checkpoint"); + + JavaInputDStream> messages = KafkaUtils.createDirectStream(streamingContext, LocationStrategies.PreferConsistent(), ConsumerStrategies. Subscribe(topics, kafkaParams)); + + JavaPairDStream results = messages.mapToPair(record -> new Tuple2<>(record.key(), record.value())); + + JavaDStream lines = results.map(tuple2 -> tuple2._2()); + + JavaDStream words = lines.flatMap(x -> Arrays.asList(x.split("\\s+")) + .iterator()); + + JavaPairDStream wordCounts = words.mapToPair(s -> new Tuple2<>(s, 1)) + .reduceByKey((Function2) (i1, i2) -> i1 + i2); + + JavaMapWithStateDStream> cumulativeWordCounts = wordCounts.mapWithState(StateSpec.function((word, one, state) -> { + int sum = one.orElse(0) + (state.exists() ? state.get() : 0); + Tuple2 output = new Tuple2<>(word, sum); + state.update(sum); + return output; + })); + + cumulativeWordCounts.foreachRDD(javaRdd -> { + List> wordCountList = javaRdd.collect(); + for (Tuple2 tuple : wordCountList) { + List wordList = Arrays.asList(new Word(tuple._1, tuple._2)); + JavaRDD rdd = sparkContext.parallelize(wordList); + javaFunctions(rdd).writerBuilder("vocabulary", "words", mapToRow(Word.class)) + .saveToCassandra(); + } + }); + + streamingContext.start(); + streamingContext.awaitTermination(); + } +} \ No newline at end of file diff --git a/axon/pom.xml b/axon/pom.xml index c643ea9e57..598dc820e5 100644 --- a/axon/pom.xml +++ b/axon/pom.xml @@ -4,29 +4,61 @@ 4.0.0 axon axon - + Basic Axon Framework with Spring Boot configuration tutorial + - parent-modules com.baeldung - 1.0.0-SNAPSHOT + parent-boot-2 + 0.0.1-SNAPSHOT + ../parent-boot-2 + + org.axonframework + axon-spring-boot-starter + ${axon.version} + + + org.axonframework + axon-server-connector + + + + org.axonframework axon-test ${axon.version} test + - org.axonframework - axon-core - ${axon.version} + org.springframework.boot + spring-boot-autoconfigure + 2.1.1.RELEASE + compile + + + + org.springframework.boot + spring-boot-starter-web + + + + org.springframework.boot + spring-boot-starter-data-jpa + + + + com.h2database + h2 + runtime - 3.0.2 + 4.0.3 \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/MessagesRunner.java b/axon/src/main/java/com/baeldung/axon/MessagesRunner.java deleted file mode 100644 index 77b50d09bd..0000000000 --- a/axon/src/main/java/com/baeldung/axon/MessagesRunner.java +++ /dev/null @@ -1,54 +0,0 @@ -package com.baeldung.axon; - -import com.baeldung.axon.aggregates.MessagesAggregate; -import com.baeldung.axon.commands.CreateMessageCommand; -import com.baeldung.axon.commands.MarkReadMessageCommand; -import com.baeldung.axon.eventhandlers.MessagesEventHandler; -import org.axonframework.commandhandling.AggregateAnnotationCommandHandler; -import org.axonframework.commandhandling.CommandBus; -import org.axonframework.commandhandling.SimpleCommandBus; -import org.axonframework.commandhandling.gateway.CommandGateway; -import org.axonframework.commandhandling.gateway.DefaultCommandGateway; -import org.axonframework.eventhandling.AnnotationEventListenerAdapter; -import org.axonframework.eventsourcing.EventSourcingRepository; -import org.axonframework.eventsourcing.eventstore.EmbeddedEventStore; -import org.axonframework.eventsourcing.eventstore.EventStore; -import org.axonframework.eventsourcing.eventstore.inmemory.InMemoryEventStorageEngine; - -import java.util.UUID; - -public class MessagesRunner { - - public static void main(String[] args) { - CommandBus commandBus = new SimpleCommandBus(); - - CommandGateway commandGateway = new DefaultCommandGateway(commandBus); - - EventStore eventStore = new EmbeddedEventStore(new InMemoryEventStorageEngine()); - - EventSourcingRepository repository = - new EventSourcingRepository<>(MessagesAggregate.class, eventStore); - - - AggregateAnnotationCommandHandler messagesAggregateAggregateAnnotationCommandHandler = - new AggregateAnnotationCommandHandler(MessagesAggregate.class, repository); - messagesAggregateAggregateAnnotationCommandHandler.subscribe(commandBus); - - final AnnotationEventListenerAdapter annotationEventListenerAdapter = - new AnnotationEventListenerAdapter(new MessagesEventHandler()); - eventStore.subscribe(eventMessages -> eventMessages.forEach(e -> { - try { - annotationEventListenerAdapter.handle(e); - } catch (Exception e1) { - throw new RuntimeException(e1); - - } - } - - )); - - final String itemId = UUID.randomUUID().toString(); - commandGateway.send(new CreateMessageCommand(itemId, "Hello, how is your day? :-)")); - commandGateway.send(new MarkReadMessageCommand(itemId)); - } -} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/OrderApplication.java b/axon/src/main/java/com/baeldung/axon/OrderApplication.java new file mode 100644 index 0000000000..8f507e141c --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/OrderApplication.java @@ -0,0 +1,13 @@ +package com.baeldung.axon; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class OrderApplication { + + public static void main(String[] args) { + SpringApplication.run(OrderApplication.class, args); + } + +} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/aggregates/MessagesAggregate.java b/axon/src/main/java/com/baeldung/axon/aggregates/MessagesAggregate.java deleted file mode 100644 index e762604b74..0000000000 --- a/axon/src/main/java/com/baeldung/axon/aggregates/MessagesAggregate.java +++ /dev/null @@ -1,36 +0,0 @@ -package com.baeldung.axon.aggregates; - -import com.baeldung.axon.commands.CreateMessageCommand; -import com.baeldung.axon.commands.MarkReadMessageCommand; -import com.baeldung.axon.events.MessageCreatedEvent; -import com.baeldung.axon.events.MessageReadEvent; -import org.axonframework.commandhandling.CommandHandler; -import org.axonframework.commandhandling.model.AggregateIdentifier; -import org.axonframework.eventhandling.EventHandler; - -import static org.axonframework.commandhandling.model.AggregateLifecycle.apply; - - -public class MessagesAggregate { - - @AggregateIdentifier - private String id; - - public MessagesAggregate() { - } - - @CommandHandler - public MessagesAggregate(CreateMessageCommand command) { - apply(new MessageCreatedEvent(command.getId(), command.getText())); - } - - @EventHandler - public void on(MessageCreatedEvent event) { - this.id = event.getId(); - } - - @CommandHandler - public void markRead(MarkReadMessageCommand command) { - apply(new MessageReadEvent(id)); - } -} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/commandmodel/OrderAggregate.java b/axon/src/main/java/com/baeldung/axon/commandmodel/OrderAggregate.java new file mode 100644 index 0000000000..b37b2fdd66 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/commandmodel/OrderAggregate.java @@ -0,0 +1,58 @@ +package com.baeldung.axon.commandmodel; + +import static org.axonframework.modelling.command.AggregateLifecycle.apply; + +import org.axonframework.commandhandling.CommandHandler; +import org.axonframework.eventsourcing.EventSourcingHandler; +import org.axonframework.modelling.command.AggregateIdentifier; +import org.axonframework.spring.stereotype.Aggregate; + +import com.baeldung.axon.coreapi.commands.ConfirmOrderCommand; +import com.baeldung.axon.coreapi.commands.PlaceOrderCommand; +import com.baeldung.axon.coreapi.commands.ShipOrderCommand; +import com.baeldung.axon.coreapi.events.OrderConfirmedEvent; +import com.baeldung.axon.coreapi.events.OrderPlacedEvent; +import com.baeldung.axon.coreapi.events.OrderShippedEvent; + +@Aggregate +public class OrderAggregate { + + @AggregateIdentifier + private String orderId; + private boolean orderConfirmed; + + @CommandHandler + public OrderAggregate(PlaceOrderCommand command) { + apply(new OrderPlacedEvent(command.getOrderId(), command.getProduct())); + } + + @CommandHandler + public void handle(ConfirmOrderCommand command) { + apply(new OrderConfirmedEvent(orderId)); + } + + @CommandHandler + public void handle(ShipOrderCommand command) { + if (!orderConfirmed) { + throw new IllegalStateException("Cannot ship an order which has not been confirmed yet."); + } + + apply(new OrderShippedEvent(orderId)); + } + + @EventSourcingHandler + public void on(OrderPlacedEvent event) { + this.orderId = event.getOrderId(); + orderConfirmed = false; + } + + @EventSourcingHandler + public void on(OrderConfirmedEvent event) { + orderConfirmed = true; + } + + protected OrderAggregate() { + // Required by Axon to build a default Aggregate prior to Event Sourcing + } + +} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/commands/CreateMessageCommand.java b/axon/src/main/java/com/baeldung/axon/commands/CreateMessageCommand.java deleted file mode 100644 index d0651bf12e..0000000000 --- a/axon/src/main/java/com/baeldung/axon/commands/CreateMessageCommand.java +++ /dev/null @@ -1,24 +0,0 @@ -package com.baeldung.axon.commands; - - -import org.axonframework.commandhandling.TargetAggregateIdentifier; - -public class CreateMessageCommand { - - @TargetAggregateIdentifier - private final String id; - private final String text; - - public CreateMessageCommand(String id, String text) { - this.id = id; - this.text = text; - } - - public String getId() { - return id; - } - - public String getText() { - return text; - } -} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/commands/MarkReadMessageCommand.java b/axon/src/main/java/com/baeldung/axon/commands/MarkReadMessageCommand.java deleted file mode 100644 index e66582d9ec..0000000000 --- a/axon/src/main/java/com/baeldung/axon/commands/MarkReadMessageCommand.java +++ /dev/null @@ -1,18 +0,0 @@ -package com.baeldung.axon.commands; - - -import org.axonframework.commandhandling.TargetAggregateIdentifier; - -public class MarkReadMessageCommand { - - @TargetAggregateIdentifier - private final String id; - - public MarkReadMessageCommand(String id) { - this.id = id; - } - - public String getId() { - return id; - } -} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/commands/ConfirmOrderCommand.java b/axon/src/main/java/com/baeldung/axon/coreapi/commands/ConfirmOrderCommand.java new file mode 100644 index 0000000000..244b69f3b7 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/commands/ConfirmOrderCommand.java @@ -0,0 +1,43 @@ +package com.baeldung.axon.coreapi.commands; + +import org.axonframework.modelling.command.TargetAggregateIdentifier; + +import java.util.Objects; + +public class ConfirmOrderCommand { + + @TargetAggregateIdentifier + private final String orderId; + + public ConfirmOrderCommand(String orderId) { + this.orderId = orderId; + } + + public String getOrderId() { + return orderId; + } + + @Override + public int hashCode() { + return Objects.hash(orderId); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null || getClass() != obj.getClass()) { + return false; + } + final ConfirmOrderCommand other = (ConfirmOrderCommand) obj; + return Objects.equals(this.orderId, other.orderId); + } + + @Override + public String toString() { + return "ConfirmOrderCommand{" + + "orderId='" + orderId + '\'' + + '}'; + } +} diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/commands/PlaceOrderCommand.java b/axon/src/main/java/com/baeldung/axon/coreapi/commands/PlaceOrderCommand.java new file mode 100644 index 0000000000..c70d503050 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/commands/PlaceOrderCommand.java @@ -0,0 +1,51 @@ +package com.baeldung.axon.coreapi.commands; + +import java.util.Objects; + +import org.axonframework.modelling.command.TargetAggregateIdentifier; + +public class PlaceOrderCommand { + + @TargetAggregateIdentifier + private final String orderId; + private final String product; + + public PlaceOrderCommand(String orderId, String product) { + this.orderId = orderId; + this.product = product; + } + + public String getOrderId() { + return orderId; + } + + public String getProduct() { + return product; + } + + @Override + public int hashCode() { + return Objects.hash(orderId, product); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null || getClass() != obj.getClass()) { + return false; + } + final PlaceOrderCommand other = (PlaceOrderCommand) obj; + return Objects.equals(this.orderId, other.orderId) + && Objects.equals(this.product, other.product); + } + + @Override + public String toString() { + return "PlaceOrderCommand{" + + "orderId='" + orderId + '\'' + + ", product='" + product + '\'' + + '}'; + } +} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/commands/ShipOrderCommand.java b/axon/src/main/java/com/baeldung/axon/coreapi/commands/ShipOrderCommand.java new file mode 100644 index 0000000000..7312bc1fdb --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/commands/ShipOrderCommand.java @@ -0,0 +1,43 @@ +package com.baeldung.axon.coreapi.commands; + +import java.util.Objects; + +import org.axonframework.modelling.command.TargetAggregateIdentifier; + +public class ShipOrderCommand { + + @TargetAggregateIdentifier + private final String orderId; + + public ShipOrderCommand(String orderId) { + this.orderId = orderId; + } + + public String getOrderId() { + return orderId; + } + + @Override + public int hashCode() { + return Objects.hash(orderId); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null || getClass() != obj.getClass()) { + return false; + } + final ShipOrderCommand other = (ShipOrderCommand) obj; + return Objects.equals(this.orderId, other.orderId); + } + + @Override + public String toString() { + return "ShipOrderCommand{" + + "orderId='" + orderId + '\'' + + '}'; + } +} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderConfirmedEvent.java b/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderConfirmedEvent.java new file mode 100644 index 0000000000..d2b7d58435 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderConfirmedEvent.java @@ -0,0 +1,40 @@ +package com.baeldung.axon.coreapi.events; + +import java.util.Objects; + +public class OrderConfirmedEvent { + + private final String orderId; + + public OrderConfirmedEvent(String orderId) { + this.orderId = orderId; + } + + public String getOrderId() { + return orderId; + } + + @Override + public int hashCode() { + return Objects.hash(orderId); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null || getClass() != obj.getClass()) { + return false; + } + final OrderConfirmedEvent other = (OrderConfirmedEvent) obj; + return Objects.equals(this.orderId, other.orderId); + } + + @Override + public String toString() { + return "OrderConfirmedEvent{" + + "orderId='" + orderId + '\'' + + '}'; + } +} diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderPlacedEvent.java b/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderPlacedEvent.java new file mode 100644 index 0000000000..06de4c5f9f --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderPlacedEvent.java @@ -0,0 +1,48 @@ +package com.baeldung.axon.coreapi.events; + +import java.util.Objects; + +public class OrderPlacedEvent { + + private final String orderId; + private final String product; + + public OrderPlacedEvent(String orderId, String product) { + this.orderId = orderId; + this.product = product; + } + + public String getOrderId() { + return orderId; + } + + public String getProduct() { + return product; + } + + @Override + public int hashCode() { + return Objects.hash(orderId, product); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null || getClass() != obj.getClass()) { + return false; + } + final OrderPlacedEvent other = (OrderPlacedEvent) obj; + return Objects.equals(this.orderId, other.orderId) + && Objects.equals(this.product, other.product); + } + + @Override + public String toString() { + return "OrderPlacedEvent{" + + "orderId='" + orderId + '\'' + + ", product='" + product + '\'' + + '}'; + } +} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderShippedEvent.java b/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderShippedEvent.java new file mode 100644 index 0000000000..76aa684629 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/events/OrderShippedEvent.java @@ -0,0 +1,40 @@ +package com.baeldung.axon.coreapi.events; + +import java.util.Objects; + +public class OrderShippedEvent { + + private final String orderId; + + public OrderShippedEvent(String orderId) { + this.orderId = orderId; + } + + public String getOrderId() { + return orderId; + } + + @Override + public int hashCode() { + return Objects.hash(orderId); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null || getClass() != obj.getClass()) { + return false; + } + final OrderShippedEvent other = (OrderShippedEvent) obj; + return Objects.equals(this.orderId, other.orderId); + } + + @Override + public String toString() { + return "OrderShippedEvent{" + + "orderId='" + orderId + '\'' + + '}'; + } +} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/queries/FindAllOrderedProductsQuery.java b/axon/src/main/java/com/baeldung/axon/coreapi/queries/FindAllOrderedProductsQuery.java new file mode 100644 index 0000000000..9d6ca2cfb2 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/queries/FindAllOrderedProductsQuery.java @@ -0,0 +1,5 @@ +package com.baeldung.axon.coreapi.queries; + +public class FindAllOrderedProductsQuery { + +} diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/queries/OrderStatus.java b/axon/src/main/java/com/baeldung/axon/coreapi/queries/OrderStatus.java new file mode 100644 index 0000000000..d215c5fc32 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/queries/OrderStatus.java @@ -0,0 +1,7 @@ +package com.baeldung.axon.coreapi.queries; + +public enum OrderStatus { + + PLACED, CONFIRMED, SHIPPED + +} diff --git a/axon/src/main/java/com/baeldung/axon/coreapi/queries/OrderedProduct.java b/axon/src/main/java/com/baeldung/axon/coreapi/queries/OrderedProduct.java new file mode 100644 index 0000000000..d847bb2a98 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/coreapi/queries/OrderedProduct.java @@ -0,0 +1,64 @@ +package com.baeldung.axon.coreapi.queries; + +import java.util.Objects; + +public class OrderedProduct { + + private final String orderId; + private final String product; + private OrderStatus orderStatus; + + public OrderedProduct(String orderId, String product) { + this.orderId = orderId; + this.product = product; + orderStatus = OrderStatus.PLACED; + } + + public String getOrderId() { + return orderId; + } + + public String getProduct() { + return product; + } + + public OrderStatus getOrderStatus() { + return orderStatus; + } + + public void setOrderConfirmed() { + this.orderStatus = OrderStatus.CONFIRMED; + } + + public void setOrderShipped() { + this.orderStatus = OrderStatus.SHIPPED; + } + + @Override + public int hashCode() { + return Objects.hash(orderId, product, orderStatus); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null || getClass() != obj.getClass()) { + return false; + } + final OrderedProduct other = (OrderedProduct) obj; + return Objects.equals(this.orderId, other.orderId) + && Objects.equals(this.product, other.product) + && Objects.equals(this.orderStatus, other.orderStatus); + } + + @Override + public String toString() { + return "OrderedProduct{" + + "orderId='" + orderId + '\'' + + ", product='" + product + '\'' + + ", orderStatus=" + orderStatus + + '}'; + } +} diff --git a/axon/src/main/java/com/baeldung/axon/eventhandlers/MessagesEventHandler.java b/axon/src/main/java/com/baeldung/axon/eventhandlers/MessagesEventHandler.java deleted file mode 100644 index 3e51e19c4e..0000000000 --- a/axon/src/main/java/com/baeldung/axon/eventhandlers/MessagesEventHandler.java +++ /dev/null @@ -1,19 +0,0 @@ -package com.baeldung.axon.eventhandlers; - -import com.baeldung.axon.events.MessageReadEvent; -import com.baeldung.axon.events.MessageCreatedEvent; -import org.axonframework.eventhandling.EventHandler; - - -public class MessagesEventHandler { - - @EventHandler - public void handle(MessageCreatedEvent event) { - System.out.println("Message received: " + event.getText() + " (" + event.getId() + ")"); - } - - @EventHandler - public void handle(MessageReadEvent event) { - System.out.println("Message read: " + event.getId()); - } -} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/events/MessageCreatedEvent.java b/axon/src/main/java/com/baeldung/axon/events/MessageCreatedEvent.java deleted file mode 100644 index 3c9aac5ed8..0000000000 --- a/axon/src/main/java/com/baeldung/axon/events/MessageCreatedEvent.java +++ /dev/null @@ -1,20 +0,0 @@ -package com.baeldung.axon.events; - -public class MessageCreatedEvent { - - private final String id; - private final String text; - - public MessageCreatedEvent(String id, String text) { - this.id = id; - this.text = text; - } - - public String getId() { - return id; - } - - public String getText() { - return text; - } -} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/events/MessageReadEvent.java b/axon/src/main/java/com/baeldung/axon/events/MessageReadEvent.java deleted file mode 100644 index 57bfc8e19e..0000000000 --- a/axon/src/main/java/com/baeldung/axon/events/MessageReadEvent.java +++ /dev/null @@ -1,14 +0,0 @@ -package com.baeldung.axon.events; - -public class MessageReadEvent { - - private final String id; - - public MessageReadEvent(String id) { - this.id = id; - } - - public String getId() { - return id; - } -} \ No newline at end of file diff --git a/axon/src/main/java/com/baeldung/axon/gui/OrderRestEndpoint.java b/axon/src/main/java/com/baeldung/axon/gui/OrderRestEndpoint.java new file mode 100644 index 0000000000..a9f34cc691 --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/gui/OrderRestEndpoint.java @@ -0,0 +1,52 @@ +package com.baeldung.axon.gui; + +import java.util.List; +import java.util.UUID; + +import org.axonframework.commandhandling.gateway.CommandGateway; +import org.axonframework.messaging.responsetypes.ResponseTypes; +import org.axonframework.queryhandling.QueryGateway; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.PostMapping; +import org.springframework.web.bind.annotation.RestController; + +import com.baeldung.axon.coreapi.commands.ConfirmOrderCommand; +import com.baeldung.axon.coreapi.commands.PlaceOrderCommand; +import com.baeldung.axon.coreapi.commands.ShipOrderCommand; +import com.baeldung.axon.coreapi.queries.FindAllOrderedProductsQuery; +import com.baeldung.axon.coreapi.queries.OrderedProduct; + +@RestController +public class OrderRestEndpoint { + + private final CommandGateway commandGateway; + private final QueryGateway queryGateway; + + public OrderRestEndpoint(CommandGateway commandGateway, QueryGateway queryGateway) { + this.commandGateway = commandGateway; + this.queryGateway = queryGateway; + } + + @PostMapping("/ship-order") + public void shipOrder() { + String orderId = UUID.randomUUID().toString(); + commandGateway.send(new PlaceOrderCommand(orderId, "Deluxe Chair")); + commandGateway.send(new ConfirmOrderCommand(orderId)); + commandGateway.send(new ShipOrderCommand(orderId)); + } + + @PostMapping("/ship-unconfirmed-order") + public void shipUnconfirmedOrder() { + String orderId = UUID.randomUUID().toString(); + commandGateway.send(new PlaceOrderCommand(orderId, "Deluxe Chair")); + // This throws an exception, as an Order cannot be shipped if it has not been confirmed yet. + commandGateway.send(new ShipOrderCommand(orderId)); + } + + @GetMapping("/all-orders") + public List findAllOrderedProducts() { + return queryGateway.query(new FindAllOrderedProductsQuery(), ResponseTypes.multipleInstancesOf(OrderedProduct.class)) + .join(); + } + +} diff --git a/axon/src/main/java/com/baeldung/axon/querymodel/OrderedProductsEventHandler.java b/axon/src/main/java/com/baeldung/axon/querymodel/OrderedProductsEventHandler.java new file mode 100644 index 0000000000..d4cf3d999b --- /dev/null +++ b/axon/src/main/java/com/baeldung/axon/querymodel/OrderedProductsEventHandler.java @@ -0,0 +1,50 @@ +package com.baeldung.axon.querymodel; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.axonframework.eventhandling.EventHandler; +import org.axonframework.queryhandling.QueryHandler; +import org.springframework.stereotype.Service; + +import com.baeldung.axon.coreapi.events.OrderConfirmedEvent; +import com.baeldung.axon.coreapi.events.OrderPlacedEvent; +import com.baeldung.axon.coreapi.events.OrderShippedEvent; +import com.baeldung.axon.coreapi.queries.FindAllOrderedProductsQuery; +import com.baeldung.axon.coreapi.queries.OrderedProduct; + +@Service +public class OrderedProductsEventHandler { + + private final Map orderedProducts = new HashMap<>(); + + @EventHandler + public void on(OrderPlacedEvent event) { + String orderId = event.getOrderId(); + orderedProducts.put(orderId, new OrderedProduct(orderId, event.getProduct())); + } + + @EventHandler + public void on(OrderConfirmedEvent event) { + orderedProducts.computeIfPresent(event.getOrderId(), (orderId, orderedProduct) -> { + orderedProduct.setOrderConfirmed(); + return orderedProduct; + }); + } + + @EventHandler + public void on(OrderShippedEvent event) { + orderedProducts.computeIfPresent(event.getOrderId(), (orderId, orderedProduct) -> { + orderedProduct.setOrderShipped(); + return orderedProduct; + }); + } + + @QueryHandler + public List handle(FindAllOrderedProductsQuery query) { + return new ArrayList<>(orderedProducts.values()); + } + +} \ No newline at end of file diff --git a/axon/src/main/resources/order-api.http b/axon/src/main/resources/order-api.http new file mode 100644 index 0000000000..a3c69c72bc --- /dev/null +++ b/axon/src/main/resources/order-api.http @@ -0,0 +1,11 @@ +POST http://localhost:8080/ship-order + +### + +POST http://localhost:8080/ship-unconfirmed-order + +### + +GET http://localhost:8080/all-orders + +### diff --git a/axon/src/test/java/com/baeldung/axon/MessagesAggregateIntegrationTest.java b/axon/src/test/java/com/baeldung/axon/MessagesAggregateIntegrationTest.java deleted file mode 100644 index ad099d2c2b..0000000000 --- a/axon/src/test/java/com/baeldung/axon/MessagesAggregateIntegrationTest.java +++ /dev/null @@ -1,42 +0,0 @@ -package com.baeldung.axon; - -import com.baeldung.axon.aggregates.MessagesAggregate; -import com.baeldung.axon.commands.CreateMessageCommand; -import com.baeldung.axon.commands.MarkReadMessageCommand; -import com.baeldung.axon.events.MessageCreatedEvent; -import com.baeldung.axon.events.MessageReadEvent; -import org.axonframework.test.aggregate.AggregateTestFixture; -import org.axonframework.test.aggregate.FixtureConfiguration; -import org.junit.Before; -import org.junit.Test; - -import java.util.UUID; - -public class MessagesAggregateIntegrationTest { - - private FixtureConfiguration fixture; - - @Before - public void setUp() throws Exception { - fixture = new AggregateTestFixture(MessagesAggregate.class); - - } - - @Test - public void giveAggregateRoot_whenCreateMessageCommand_thenShouldProduceMessageCreatedEvent() throws Exception { - String eventText = "Hello, how is your day?"; - String id = UUID.randomUUID().toString(); - fixture.given() - .when(new CreateMessageCommand(id, eventText)) - .expectEvents(new MessageCreatedEvent(id, eventText)); - } - - @Test - public void givenMessageCreatedEvent_whenReadMessageCommand_thenShouldProduceMessageReadEvent() throws Exception { - String id = UUID.randomUUID().toString(); - - fixture.given(new MessageCreatedEvent(id, "Hello :-)")) - .when(new MarkReadMessageCommand(id)) - .expectEvents(new MessageReadEvent(id)); - } -} \ No newline at end of file diff --git a/axon/src/test/java/com/baeldung/axon/commandmodel/OrderAggregateUnitTest.java b/axon/src/test/java/com/baeldung/axon/commandmodel/OrderAggregateUnitTest.java new file mode 100644 index 0000000000..9beedbaa19 --- /dev/null +++ b/axon/src/test/java/com/baeldung/axon/commandmodel/OrderAggregateUnitTest.java @@ -0,0 +1,61 @@ +package com.baeldung.axon.commandmodel; + +import java.util.UUID; + +import org.axonframework.test.aggregate.AggregateTestFixture; +import org.axonframework.test.aggregate.FixtureConfiguration; +import org.junit.*; + +import com.baeldung.axon.coreapi.commands.ConfirmOrderCommand; +import com.baeldung.axon.coreapi.commands.PlaceOrderCommand; +import com.baeldung.axon.coreapi.commands.ShipOrderCommand; +import com.baeldung.axon.coreapi.events.OrderConfirmedEvent; +import com.baeldung.axon.coreapi.events.OrderPlacedEvent; +import com.baeldung.axon.coreapi.events.OrderShippedEvent; + +public class OrderAggregateUnitTest { + + private FixtureConfiguration fixture; + + @Before + public void setUp() { + fixture = new AggregateTestFixture<>(OrderAggregate.class); + } + + @Test + public void giveNoPriorActivity_whenPlaceOrderCommand_thenShouldPublishOrderPlacedEvent() { + String orderId = UUID.randomUUID().toString(); + String product = "Deluxe Chair"; + fixture.givenNoPriorActivity() + .when(new PlaceOrderCommand(orderId, product)) + .expectEvents(new OrderPlacedEvent(orderId, product)); + } + + @Test + public void givenOrderPlacedEvent_whenConfirmOrderCommand_thenShouldPublishOrderConfirmedEvent() { + String orderId = UUID.randomUUID().toString(); + String product = "Deluxe Chair"; + fixture.given(new OrderPlacedEvent(orderId, product)) + .when(new ConfirmOrderCommand(orderId)) + .expectEvents(new OrderConfirmedEvent(orderId)); + } + + @Test + public void givenOrderPlacedEvent_whenShipOrderCommand_thenShouldThrowIllegalStateException() { + String orderId = UUID.randomUUID().toString(); + String product = "Deluxe Chair"; + fixture.given(new OrderPlacedEvent(orderId, product)) + .when(new ShipOrderCommand(orderId)) + .expectException(IllegalStateException.class); + } + + @Test + public void givenOrderPlacedEventAndOrderConfirmedEvent_whenShipOrderCommand_thenShouldPublishOrderShippedEvent() { + String orderId = UUID.randomUUID().toString(); + String product = "Deluxe Chair"; + fixture.given(new OrderPlacedEvent(orderId, product), new OrderConfirmedEvent(orderId)) + .when(new ShipOrderCommand(orderId)) + .expectEvents(new OrderShippedEvent(orderId)); + } + +} \ No newline at end of file diff --git a/core-java-11/README.md b/core-java-11/README.md index 181ada3f45..c8039f4bc5 100644 --- a/core-java-11/README.md +++ b/core-java-11/README.md @@ -2,4 +2,4 @@ - [Java 11 Single File Source Code](https://www.baeldung.com/java-single-file-source-code) - [Java 11 Local Variable Syntax for Lambda Parameters](https://www.baeldung.com/java-var-lambda-params) - +- [Java 11 String API Additions](https://www.baeldung.com/java-11-string-api) diff --git a/core-java-11/src/main/java/com/baeldung/Outer.java b/core-java-11/src/main/java/com/baeldung/Outer.java new file mode 100644 index 0000000000..1d3cd72b44 --- /dev/null +++ b/core-java-11/src/main/java/com/baeldung/Outer.java @@ -0,0 +1,24 @@ +package com.baeldung; + +import java.lang.reflect.Method; + +public class Outer { + + public void outerPublic() { + } + + private void outerPrivate() { + } + + class Inner { + + public void innerPublic() { + outerPrivate(); + } + + public void innerPublicReflection(Outer ob) throws Exception { + Method method = ob.getClass().getDeclaredMethod("outerPrivate"); + method.invoke(ob); + } + } +} \ No newline at end of file diff --git a/core-java-11/src/test/java/com/baeldung/OuterUnitTest.java b/core-java-11/src/test/java/com/baeldung/OuterUnitTest.java new file mode 100644 index 0000000000..9e6bd72680 --- /dev/null +++ b/core-java-11/src/test/java/com/baeldung/OuterUnitTest.java @@ -0,0 +1,46 @@ +package com.baeldung; + +import static org.junit.Assert.assertTrue; +import static org.hamcrest.CoreMatchers.is; + +import java.util.Arrays; +import java.util.Set; +import java.util.stream.Collectors; +import org.junit.Test; + +public class OuterUnitTest { + + private static final String NEST_HOST_NAME = "com.baeldung.Outer"; + + @Test + public void whenGetNestHostFromOuter_thenGetNestHost() { + is(Outer.class.getNestHost().getName()).equals(NEST_HOST_NAME); + } + + @Test + public void whenGetNestHostFromInner_thenGetNestHost() { + is(Outer.Inner.class.getNestHost().getName()).equals(NEST_HOST_NAME); + } + + @Test + public void whenCheckNestmatesForNestedClasses_thenGetTrue() { + is(Outer.Inner.class.isNestmateOf(Outer.class)).equals(true); + } + + @Test + public void whenCheckNestmatesForUnrelatedClasses_thenGetFalse() { + is(Outer.Inner.class.isNestmateOf(Outer.class)).equals(false); + } + + @Test + public void whenGetNestMembersForNestedClasses_thenGetAllNestedClasses() { + Set nestMembers = Arrays.stream(Outer.Inner.class.getNestMembers()) + .map(Class::getName) + .collect(Collectors.toSet()); + + is(nestMembers.size()).equals(2); + + assertTrue(nestMembers.contains("com.baeldung.Outer")); + assertTrue(nestMembers.contains("com.baeldung.Outer$Inner")); + } +} \ No newline at end of file diff --git a/core-java-11/src/test/java/com/baeldung/optional/OptionalUnitTest.java b/core-java-11/src/test/java/com/baeldung/optional/OptionalUnitTest.java new file mode 100644 index 0000000000..281155138d --- /dev/null +++ b/core-java-11/src/test/java/com/baeldung/optional/OptionalUnitTest.java @@ -0,0 +1,23 @@ +package com.baeldung.optional; + +import org.junit.Test; + +import java.util.Optional; + +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + +/** + * Unit tests for {@link Optional} in Java 11. + */ +public class OptionalUnitTest { + + @Test + public void givenAnEmptyOptional_isEmpty_thenBehavesAsExpected() { + Optional opt = Optional.of("Baeldung"); + assertFalse(opt.isEmpty()); + + opt = Optional.ofNullable(null); + assertTrue(opt.isEmpty()); + } +} diff --git a/core-java-8/README.md b/core-java-8/README.md index e5fa953cc7..892dc71f76 100644 --- a/core-java-8/README.md +++ b/core-java-8/README.md @@ -33,3 +33,8 @@ - [Java Primitives versus Objects](https://www.baeldung.com/java-primitives-vs-objects) - [How to Use if/else Logic in Java 8 Streams](https://www.baeldung.com/java-8-streams-if-else-logic) - [How to Replace Many if Statements in Java](https://www.baeldung.com/java-replace-if-statements) +- [Java @Override Annotation](https://www.baeldung.com/java-override) +- [Java @SuppressWarnings Annotation](https://www.baeldung.com/java-suppresswarnings) +- [Java @SafeVarargs Annotation](https://www.baeldung.com/java-safevarargs) +- [Java @Deprecated Annotation](https://www.baeldung.com/java-deprecated) +- [Java 8 Predicate Chain](https://www.baeldung.com/java-predicate-chain) diff --git a/core-java-8/pom.xml b/core-java-8/pom.xml index 18bdaa15f4..112e8b764d 100644 --- a/core-java-8/pom.xml +++ b/core-java-8/pom.xml @@ -1,5 +1,5 @@ + xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 com.baeldung core-java-8 @@ -104,6 +104,24 @@ aspectjweaver ${asspectj.version} + + org.powermock + powermock-module-junit4 + ${powermock.version} + test + + + org.powermock + powermock-api-mockito2 + ${powermock.version} + test + + + org.jmockit + jmockit + ${jmockit.version} + test + @@ -119,7 +137,7 @@ org.apache.maven.plugins maven-compiler-plugin - 3.1 + ${maven-compiler-plugin.version} 1.8 1.8 @@ -142,6 +160,16 @@ + + maven-surefire-plugin + ${maven-surefire-plugin.version} + + + -javaagent:${settings.localRepository}/org/jmockit/jmockit/${jmockit.version}/jmockit-${jmockit.version}.jar + + true + + @@ -159,9 +187,14 @@ 3.6.1 1.8.9 + 2.0.0-RC.4 + 1.44 1.7.0 1.19 1.19 2.0.4.RELEASE + + 3.8.0 + 2.22.1 diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/Electronic.java b/core-java-8/src/main/java/com/baeldung/interfaces/Electronic.java deleted file mode 100644 index bfbc381483..0000000000 --- a/core-java-8/src/main/java/com/baeldung/interfaces/Electronic.java +++ /dev/null @@ -1,22 +0,0 @@ -package com.baeldung.interfaces; - -public interface Electronic { - //Constant variable - public static final String LED = "LED"; - - //Abstract method - public int getElectricityUse(); - - // Static method - public static boolean isEnergyEfficient(String electtronicType) { - if (electtronicType.equals(LED)) { - return true; - } - return false; - } - - //Default method - public default void printDescription() { - System.out.println("Electronic Description"); - } -} diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/Motorcycle.java b/core-java-8/src/main/java/com/baeldung/interfaces/Motorcycle.java deleted file mode 100644 index 6003f476a3..0000000000 --- a/core-java-8/src/main/java/com/baeldung/interfaces/Motorcycle.java +++ /dev/null @@ -1,10 +0,0 @@ -package com.baeldung.interfaces; - -import com.baeldung.interfaces.multiinheritance.Transform; - -public class Motorcycle implements Transform { - @Override - public void transform() { - // Implementation - } -} \ No newline at end of file diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/Truck.java b/core-java-8/src/main/java/com/baeldung/interfaces/Truck.java deleted file mode 100644 index d78de23371..0000000000 --- a/core-java-8/src/main/java/com/baeldung/interfaces/Truck.java +++ /dev/null @@ -1,8 +0,0 @@ -package com.baeldung.interfaces; - -public class Truck extends Vehicle { - @Override - public void transform() { - // implementation - } -} diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/Vehicle.java b/core-java-8/src/main/java/com/baeldung/interfaces/Vehicle.java deleted file mode 100644 index 8b4662e1a3..0000000000 --- a/core-java-8/src/main/java/com/baeldung/interfaces/Vehicle.java +++ /dev/null @@ -1,6 +0,0 @@ -package com.baeldung.interfaces; - -import com.baeldung.interfaces.multiinheritance.Transform; - -public abstract class Vehicle implements Transform { -} diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Vehicle.java b/core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Vehicle.java deleted file mode 100644 index fb0d36e3e0..0000000000 --- a/core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Vehicle.java +++ /dev/null @@ -1,13 +0,0 @@ -package com.baeldung.interfaces.multiinheritance; - -public class Vehicle implements Fly, Transform { - @Override - public void fly() { - System.out.println("I can Fly!!"); - } - - @Override - public void transform() { - System.out.println("I can Transform!!"); - } -} diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Circle.java b/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Circle.java deleted file mode 100644 index afb3142d96..0000000000 --- a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Circle.java +++ /dev/null @@ -1,25 +0,0 @@ -package com.baeldung.interfaces.polymorphysim; - -public class Circle implements Shape { - - private double radius; - - public Circle(double radius){ - this.radius = radius; - } - - @Override - public String name() { - return "Circle"; - } - - @Override - public double area() { - return Math.PI * (radius * radius); - } - - @Override - public String getColor() { - return "green"; - } -} diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/DisplayShape.java b/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/DisplayShape.java deleted file mode 100644 index d9c9dd107a..0000000000 --- a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/DisplayShape.java +++ /dev/null @@ -1,26 +0,0 @@ -package com.baeldung.interfaces.polymorphysim; - -import java.util.ArrayList; - -public class DisplayShape { - - private ArrayList shapes; - - public ArrayList getShapes() { - return shapes; - } - - public DisplayShape() { - shapes = new ArrayList<>(); - } - - public void add(Shape shape) { - shapes.add(shape); - } - - public void display() { - for (Shape shape : shapes) { - System.out.println(shape.name() + " area: " + shape.area()); - } - } -} diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/FunctionalMain.java b/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/FunctionalMain.java deleted file mode 100644 index 5316dd7db7..0000000000 --- a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/FunctionalMain.java +++ /dev/null @@ -1,23 +0,0 @@ -package com.baeldung.interfaces.polymorphysim; - -import java.util.function.Predicate; - -public class FunctionalMain { - -public static void main(String[] args) { - Shape circleShape = new Circle(2); - Shape squareShape = new Square(2); - - DisplayShape DisplayShape = new DisplayShape(); - DisplayShape.add(circleShape); - DisplayShape.add(squareShape); - - Predicate checkArea = (shape) -> shape.area() < 5; - - for (Shape shape : DisplayShape.getShapes()) { - if (checkArea.test(shape)) { - System.out.println(shape.name() + " " + shape.area()); - } - } -} -} diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/MainPolymorphic.java b/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/MainPolymorphic.java deleted file mode 100644 index cc43c1300b..0000000000 --- a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/MainPolymorphic.java +++ /dev/null @@ -1,15 +0,0 @@ -package com.baeldung.interfaces.polymorphysim; - -public class MainPolymorphic { - public static void main(String[] args){ - - Shape circleShape = new Circle(2); - Shape squareShape = new Square(2); - - DisplayShape displayShape = new DisplayShape(); - displayShape.add(circleShape); - displayShape.add(squareShape); - - displayShape.display(); - } -} diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Shape.java b/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Shape.java deleted file mode 100644 index 560e07a80a..0000000000 --- a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Shape.java +++ /dev/null @@ -1,9 +0,0 @@ -package com.baeldung.interfaces.polymorphysim; - -import com.baeldung.interfaces.HasColor; - -public interface Shape extends HasColor { - - public abstract String name(); - public abstract double area(); -} diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Square.java b/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Square.java deleted file mode 100644 index 00b75ace20..0000000000 --- a/core-java-8/src/main/java/com/baeldung/interfaces/polymorphysim/Square.java +++ /dev/null @@ -1,25 +0,0 @@ -package com.baeldung.interfaces.polymorphysim; - -public class Square implements Shape { - - private double width; - - public Square(double width) { - this.width = width; - } - - @Override - public String name() { - return "Square"; - } - - @Override - public double area() { - return width * width; - } - - @Override - public String getColor() { - return "red"; - } -} diff --git a/core-java-8/src/test/java/com/baeldung/interfaces/PolymorphysimUnitTest.java b/core-java-8/src/test/java/com/baeldung/interfaces/PolymorphysimUnitTest.java deleted file mode 100644 index 7ded5e6621..0000000000 --- a/core-java-8/src/test/java/com/baeldung/interfaces/PolymorphysimUnitTest.java +++ /dev/null @@ -1,26 +0,0 @@ -package com.baeldung.interfaces; - -import com.baeldung.interfaces.polymorphysim.Circle; -import com.baeldung.interfaces.polymorphysim.Shape; -import com.baeldung.interfaces.polymorphysim.Square; -import org.assertj.core.api.Assertions; -import org.junit.Test; - -public class PolymorphysimUnitTest { - - @Test - public void whenInterfacePointsToCircle_CircleAreaMethodisBeingCalled(){ - double expectedArea = 12.566370614359172; - Shape circle = new Circle(2); - double actualArea = circle.area(); - Assertions.assertThat(actualArea).isEqualTo(expectedArea); - } - - @Test - public void whenInterfacePointsToSquare_SquareAreaMethodisBeingCalled(){ - double expectedArea = 4; - Shape square = new Square(2); - double actualArea = square.area(); - Assertions.assertThat(actualArea).isEqualTo(expectedArea); - } -} diff --git a/core-java-8/src/test/java/com/baeldung/time/InstantUnitTest.java b/core-java-8/src/test/java/com/baeldung/time/InstantUnitTest.java new file mode 100644 index 0000000000..8400748710 --- /dev/null +++ b/core-java-8/src/test/java/com/baeldung/time/InstantUnitTest.java @@ -0,0 +1,42 @@ +package com.baeldung.time; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.powermock.core.classloader.annotations.PrepareForTest; +import org.powermock.modules.junit4.PowerMockRunner; + +import java.time.Clock; +import java.time.Instant; +import java.time.ZoneId; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.mockito.Mockito.when; +import static org.powermock.api.mockito.PowerMockito.mockStatic; + +@RunWith(PowerMockRunner.class) +@PrepareForTest({ Instant.class }) +public class InstantUnitTest { + + @Test + public void givenInstantMock_whenNow_thenGetFixedInstant() { + String instantExpected = "2014-12-22T10:15:30Z"; + Clock clock = Clock.fixed(Instant.parse(instantExpected), ZoneId.of("UTC")); + Instant instant = Instant.now(clock); + mockStatic(Instant.class); + when(Instant.now()).thenReturn(instant); + + Instant now = Instant.now(); + + assertThat(now.toString()).isEqualTo(instantExpected); + } + + @Test + public void givenFixedClock_whenNow_thenGetFixedInstant() { + String instantExpected = "2014-12-22T10:15:30Z"; + Clock clock = Clock.fixed(Instant.parse(instantExpected), ZoneId.of("UTC")); + + Instant instant = Instant.now(clock); + + assertThat(instant.toString()).isEqualTo(instantExpected); + } +} diff --git a/core-java-8/src/test/java/com/baeldung/time/InstantWithJMockUnitTest.java b/core-java-8/src/test/java/com/baeldung/time/InstantWithJMockUnitTest.java new file mode 100644 index 0000000000..8f83b91101 --- /dev/null +++ b/core-java-8/src/test/java/com/baeldung/time/InstantWithJMockUnitTest.java @@ -0,0 +1,47 @@ +package com.baeldung.time; + +import mockit.Expectations; +import mockit.Mock; +import mockit.MockUp; +import org.junit.jupiter.api.Test; + +import java.time.Clock; +import java.time.Instant; +import java.time.ZoneId; + +import static org.assertj.core.api.Assertions.assertThat; + +public class InstantWithJMockUnitTest { + + @Test + public void givenInstantWithJMock_whenNow_thenGetFixedInstant() { + String instantExpected = "2014-12-21T10:15:30Z"; + Clock clock = Clock.fixed(Instant.parse(instantExpected), ZoneId.of("UTC")); + new MockUp() { + @Mock + public Instant now() { + return Instant.now(clock); + } + }; + + Instant now = Instant.now(); + + assertThat(now.toString()).isEqualTo(instantExpected); + } + + @Test + public void givenInstantWithExpectations_whenNow_thenGetFixedInstant() { + Clock clock = Clock.fixed(Instant.parse("2014-12-23T10:15:30.00Z"), ZoneId.of("UTC")); + Instant instantExpected = Instant.now(clock); + new Expectations(Instant.class) { + { + Instant.now(); + result = instantExpected; + } + }; + + Instant now = Instant.now(); + + assertThat(now).isEqualTo(instantExpected); + } +} diff --git a/core-java-8/src/test/java/com/baeldung/time/LocalDateTimeUnitTest.java b/core-java-8/src/test/java/com/baeldung/time/LocalDateTimeUnitTest.java new file mode 100644 index 0000000000..04c1a0b74e --- /dev/null +++ b/core-java-8/src/test/java/com/baeldung/time/LocalDateTimeUnitTest.java @@ -0,0 +1,43 @@ +package com.baeldung.time; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.powermock.core.classloader.annotations.PrepareForTest; +import org.powermock.modules.junit4.PowerMockRunner; + +import java.time.Clock; +import java.time.Instant; +import java.time.LocalDateTime; +import java.time.ZoneId; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.mockito.Mockito.when; +import static org.powermock.api.mockito.PowerMockito.mockStatic; + +@RunWith(PowerMockRunner.class) +@PrepareForTest({ LocalDateTime.class }) +public class LocalDateTimeUnitTest { + + @Test + public void givenLocalDateTimeMock_whenNow_thenGetFixedLocalDateTime() { + Clock clock = Clock.fixed(Instant.parse("2014-12-22T10:15:30.00Z"), ZoneId.of("UTC")); + LocalDateTime dateTime = LocalDateTime.now(clock); + mockStatic(LocalDateTime.class); + when(LocalDateTime.now()).thenReturn(dateTime); + String dateTimeExpected = "2014-12-22T10:15:30"; + + LocalDateTime now = LocalDateTime.now(); + + assertThat(now).isEqualTo(dateTimeExpected); + } + + @Test + public void givenFixedClock_whenNow_thenGetFixedLocalDateTime() { + Clock clock = Clock.fixed(Instant.parse("2014-12-22T10:15:30.00Z"), ZoneId.of("UTC")); + String dateTimeExpected = "2014-12-22T10:15:30"; + + LocalDateTime dateTime = LocalDateTime.now(clock); + + assertThat(dateTime).isEqualTo(dateTimeExpected); + } +} diff --git a/core-java-8/src/test/java/com/baeldung/time/LocalDateTimeWithJMockUnitTest.java b/core-java-8/src/test/java/com/baeldung/time/LocalDateTimeWithJMockUnitTest.java new file mode 100644 index 0000000000..13861dfd0b --- /dev/null +++ b/core-java-8/src/test/java/com/baeldung/time/LocalDateTimeWithJMockUnitTest.java @@ -0,0 +1,48 @@ +package com.baeldung.time; + +import mockit.Expectations; +import mockit.Mock; +import mockit.MockUp; +import org.junit.jupiter.api.Test; + +import java.time.Clock; +import java.time.Instant; +import java.time.LocalDateTime; +import java.time.ZoneId; + +import static org.assertj.core.api.Assertions.assertThat; + +public class LocalDateTimeWithJMockUnitTest { + + @Test + public void givenLocalDateTimeWithJMock_whenNow_thenGetFixedLocalDateTime() { + Clock clock = Clock.fixed(Instant.parse("2014-12-21T10:15:30.00Z"), ZoneId.of("UTC")); + new MockUp() { + @Mock + public LocalDateTime now() { + return LocalDateTime.now(clock); + } + }; + String dateTimeExpected = "2014-12-21T10:15:30"; + + LocalDateTime now = LocalDateTime.now(); + + assertThat(now).isEqualTo(dateTimeExpected); + } + + @Test + public void givenLocalDateTimeWithExpectations_whenNow_thenGetFixedLocalDateTime() { + Clock clock = Clock.fixed(Instant.parse("2014-12-23T10:15:30.00Z"), ZoneId.of("UTC")); + LocalDateTime dateTimeExpected = LocalDateTime.now(clock); + new Expectations(LocalDateTime.class) { + { + LocalDateTime.now(); + result = dateTimeExpected; + } + }; + + LocalDateTime now = LocalDateTime.now(); + + assertThat(now).isEqualTo(dateTimeExpected); + } +} diff --git a/core-java-9/src/main/java/com/baeldung/java9/set/UnmodifiableSet.java b/core-java-9/src/main/java/com/baeldung/java9/set/UnmodifiableSet.java new file mode 100644 index 0000000000..7dbcd2a3a3 --- /dev/null +++ b/core-java-9/src/main/java/com/baeldung/java9/set/UnmodifiableSet.java @@ -0,0 +1,44 @@ +package com.baeldung.java9.set; + +import com.google.common.collect.ImmutableSet; + +import java.util.Collections; +import java.util.HashSet; +import java.util.Set; + +public class UnmodifiableSet { + + public static void main(String[] args) { + + Set set = new HashSet<>(); + set.add("Canada"); + set.add("USA"); + + coreJDK(set); + guavaOf(); + copyOf(set); + java9Of(); + } + + private static void java9Of() { + Set immutable = Set.of("Canada", "USA"); + System.out.println(immutable); + } + + private static void guavaOf() { + Set immutable = ImmutableSet.of("Canada", "USA"); + System.out.println(immutable); + } + + private static void copyOf(Set set) { + Set immutable = ImmutableSet.copyOf(set); + set.add("Costa Rica"); + System.out.println(immutable); + } + + private static void coreJDK(Set set) { + Set unmodifiableSet = Collections.unmodifiableSet(set); + set.add("Costa Rica"); + System.out.println(unmodifiableSet); + } +} diff --git a/core-java-9/src/test/java/com/baeldung/java9/SetExamplesUnitTest.java b/core-java-9/src/test/java/com/baeldung/java9/SetExamplesUnitTest.java index 9e7e8e6e4b..28e71affcc 100644 --- a/core-java-9/src/test/java/com/baeldung/java9/SetExamplesUnitTest.java +++ b/core-java-9/src/test/java/com/baeldung/java9/SetExamplesUnitTest.java @@ -1,5 +1,7 @@ package com.baeldung.java9; +import java.util.Collections; +import java.util.HashSet; import java.util.Set; import org.junit.Test; @@ -23,4 +25,14 @@ public class SetExamplesUnitTest { Set intSet = Set.of(intArray); assertEquals(intSet.size(), intArray.length); } + + @Test(expected = UnsupportedOperationException.class) + public void testUnmodifiableSet() { + Set set = new HashSet<>(); + set.add("Canada"); + set.add("USA"); + + Set unmodifiableSet = Collections.unmodifiableSet(set); + unmodifiableSet.add("Costa Rica"); + } } diff --git a/core-java-arrays/README.md b/core-java-arrays/README.md index 56110585ac..400dd7793c 100644 --- a/core-java-arrays/README.md +++ b/core-java-arrays/README.md @@ -13,3 +13,4 @@ - [How to Invert an Array in Java](http://www.baeldung.com/java-invert-array) - [Array Operations in Java](http://www.baeldung.com/java-common-array-operations) - [Intersection Between two Integer Arrays](https://www.baeldung.com/java-array-intersection) +- [Sorting Arrays in Java](https://www.baeldung.com/java-sorting-arrays) diff --git a/core-java-collections-list/README.md b/core-java-collections-list/README.md new file mode 100644 index 0000000000..a35e714006 --- /dev/null +++ b/core-java-collections-list/README.md @@ -0,0 +1,28 @@ +========= + +## Core Java Collections List Cookbooks and Examples + +### Relevant Articles: +- [Immutable ArrayList in Java](http://www.baeldung.com/java-immutable-list) +- [Guide to the Java ArrayList](http://www.baeldung.com/java-arraylist) +- [Random List Element](http://www.baeldung.com/java-random-list-element) +- [Removing all nulls from a List in Java](http://www.baeldung.com/java-remove-nulls-from-list) +- [Removing all duplicates from a List in Java](http://www.baeldung.com/java-remove-duplicates-from-list) +- [How to TDD a List Implementation in Java](http://www.baeldung.com/java-test-driven-list) +- [Iterating Backward Through a List](http://www.baeldung.com/java-list-iterate-backwards) +- [Add Multiple Items to an Java ArrayList](http://www.baeldung.com/java-add-items-array-list) +- [Remove the First Element from a List](http://www.baeldung.com/java-remove-first-element-from-list) +- [How to Find an Element in a List with Java](http://www.baeldung.com/find-list-element-java) +- [Copy a List to Another List in Java](http://www.baeldung.com/java-copy-list-to-another) +- [Finding Max/Min of a List or Collection](http://www.baeldung.com/java-collection-min-max) +- [Collections.emptyList() vs. New List Instance](https://www.baeldung.com/java-collections-emptylist-new-list) +- [Remove All Occurrences of a Specific Value from a List](https://www.baeldung.com/java-remove-value-from-list) +- [Check If Two Lists are Equal in Java](http://www.baeldung.com/java-test-a-list-for-ordinality-and-equality) +- [Java 8 Streams: Find Items From One List Based On Values From Another List](https://www.baeldung.com/java-streams-find-list-items) +- [A Guide to the Java LinkedList](http://www.baeldung.com/java-linkedlist) +- [Java List UnsupportedOperationException](http://www.baeldung.com/java-list-unsupported-operation-exception) +- [Java List Initialization in One Line](https://www.baeldung.com/java-init-list-one-line) +- [Ways to Iterate Over a List in Java](https://www.baeldung.com/java-iterate-list) +- [ClassCastException: Arrays$ArrayList cannot be cast to ArrayList](https://www.baeldung.com/java-classcastexception-arrays-arraylist) +- [Flattening Nested Collections in Java](http://www.baeldung.com/java-flatten-nested-collections) +- [Intersection of Two Lists in Java](https://www.baeldung.com/java-lists-intersection) diff --git a/core-java-collections-list/pom.xml b/core-java-collections-list/pom.xml new file mode 100644 index 0000000000..ee99e470d0 --- /dev/null +++ b/core-java-collections-list/pom.xml @@ -0,0 +1,48 @@ + + 4.0.0 + core-java-collections-list + 0.1.0-SNAPSHOT + jar + core-java-collections-list + + + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../parent-java + + + + + org.apache.commons + commons-collections4 + ${commons-collections4.version} + + + org.apache.commons + commons-lang3 + ${commons-lang3.version} + + + org.assertj + assertj-core + ${assertj.version} + test + + + org.projectlombok + lombok + ${lombok.version} + provided + + + + + 4.1 + 3.8.1 + 1.7.0 + 3.11.1 + 1.16.12 + + diff --git a/core-java-collections/src/main/java/com/baeldung/classcastexception/ClassCastException.java b/core-java-collections-list/src/main/java/com/baeldung/classcastexception/ClassCastException.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/classcastexception/ClassCastException.java rename to core-java-collections-list/src/main/java/com/baeldung/classcastexception/ClassCastException.java diff --git a/core-java-collections/src/main/java/com/baeldung/findanelement/Customer.java b/core-java-collections-list/src/main/java/com/baeldung/findanelement/Customer.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/findanelement/Customer.java rename to core-java-collections-list/src/main/java/com/baeldung/findanelement/Customer.java diff --git a/core-java-collections/src/main/java/com/baeldung/findanelement/FindACustomerInGivenList.java b/core-java-collections-list/src/main/java/com/baeldung/findanelement/FindACustomerInGivenList.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/findanelement/FindACustomerInGivenList.java rename to core-java-collections-list/src/main/java/com/baeldung/findanelement/FindACustomerInGivenList.java diff --git a/core-java-collections/src/main/java/com/baeldung/java/list/CopyListService.java b/core-java-collections-list/src/main/java/com/baeldung/java/list/CopyListService.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/java/list/CopyListService.java rename to core-java-collections-list/src/main/java/com/baeldung/java/list/CopyListService.java diff --git a/core-java-collections/src/main/java/com/baeldung/java/list/CustomList.java b/core-java-collections-list/src/main/java/com/baeldung/java/list/CustomList.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/java/list/CustomList.java rename to core-java-collections-list/src/main/java/com/baeldung/java/list/CustomList.java diff --git a/core-java-collections/src/main/java/com/baeldung/java/list/Flower.java b/core-java-collections-list/src/main/java/com/baeldung/java/list/Flower.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/java/list/Flower.java rename to core-java-collections-list/src/main/java/com/baeldung/java/list/Flower.java diff --git a/core-java-collections/src/main/java/com/baeldung/java/list/ReverseIterator.java b/core-java-collections-list/src/main/java/com/baeldung/java/list/ReverseIterator.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/java/list/ReverseIterator.java rename to core-java-collections-list/src/main/java/com/baeldung/java/list/ReverseIterator.java diff --git a/core-java-collections/src/main/java/com/baeldung/java/list/WaysToIterate.java b/core-java-collections-list/src/main/java/com/baeldung/java/list/WaysToIterate.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/java/list/WaysToIterate.java rename to core-java-collections-list/src/main/java/com/baeldung/java/list/WaysToIterate.java diff --git a/core-java-collections/src/main/java/com/baeldung/java_8_features/Car.java b/core-java-collections-list/src/main/java/com/baeldung/java_8_features/Car.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/java_8_features/Car.java rename to core-java-collections-list/src/main/java/com/baeldung/java_8_features/Car.java diff --git a/core-java-collections/src/main/java/com/baeldung/java_8_features/Person.java b/core-java-collections-list/src/main/java/com/baeldung/java_8_features/Person.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/java_8_features/Person.java rename to core-java-collections-list/src/main/java/com/baeldung/java_8_features/Person.java diff --git a/core-java-8/src/main/java/com/baeldung/list/Flower.java b/core-java-collections-list/src/main/java/com/baeldung/list/Flower.java similarity index 100% rename from core-java-8/src/main/java/com/baeldung/list/Flower.java rename to core-java-collections-list/src/main/java/com/baeldung/list/Flower.java diff --git a/core-java-collections/src/main/java/com/baeldung/list/listoflist/Pen.java b/core-java-collections-list/src/main/java/com/baeldung/list/listoflist/Pen.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/list/listoflist/Pen.java rename to core-java-collections-list/src/main/java/com/baeldung/list/listoflist/Pen.java diff --git a/core-java-collections/src/main/java/com/baeldung/list/listoflist/Pencil.java b/core-java-collections-list/src/main/java/com/baeldung/list/listoflist/Pencil.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/list/listoflist/Pencil.java rename to core-java-collections-list/src/main/java/com/baeldung/list/listoflist/Pencil.java diff --git a/core-java-collections/src/main/java/com/baeldung/list/listoflist/Rubber.java b/core-java-collections-list/src/main/java/com/baeldung/list/listoflist/Rubber.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/list/listoflist/Rubber.java rename to core-java-collections-list/src/main/java/com/baeldung/list/listoflist/Rubber.java diff --git a/core-java-collections/src/main/java/com/baeldung/list/listoflist/Stationery.java b/core-java-collections-list/src/main/java/com/baeldung/list/listoflist/Stationery.java similarity index 100% rename from core-java-collections/src/main/java/com/baeldung/list/listoflist/Stationery.java rename to core-java-collections-list/src/main/java/com/baeldung/list/listoflist/Stationery.java diff --git a/core-java-collections/src/main/java/com/baeldung/list/multidimensional/ArrayListOfArrayList.java b/core-java-collections-list/src/main/java/com/baeldung/list/multidimensional/ArrayListOfArrayList.java similarity index 51% rename from core-java-collections/src/main/java/com/baeldung/list/multidimensional/ArrayListOfArrayList.java rename to core-java-collections-list/src/main/java/com/baeldung/list/multidimensional/ArrayListOfArrayList.java index 72045d6761..e11f8e8ba0 100644 --- a/core-java-collections/src/main/java/com/baeldung/list/multidimensional/ArrayListOfArrayList.java +++ b/core-java-collections-list/src/main/java/com/baeldung/list/multidimensional/ArrayListOfArrayList.java @@ -6,30 +6,29 @@ public class ArrayListOfArrayList { public static void main(String args[]) { - int vertex = 5; - ArrayList> graph = new ArrayList<>(vertex); + int vertexCount = 3; + ArrayList> graph = new ArrayList<>(vertexCount); //Initializing each element of ArrayList with ArrayList - for(int i=0; i< vertex; i++) { + for(int i = 0; i< vertexCount; i++) { graph.add(new ArrayList()); } //We can add any number of columns to each row graph.get(0).add(1); - graph.get(0).add(5); - graph.get(1).add(0); graph.get(1).add(2); + graph.get(2).add(0); + graph.get(1).add(0); graph.get(2).add(1); - graph.get(2).add(3); - graph.get(3).add(2); - graph.get(3).add(4); - graph.get(4).add(3); - graph.get(4).add(5); + graph.get(0).add(2); - //Printing all the edges - for(int i=0; i > > space = new ArrayList<>(x_axis_length); //Initializing each element of ArrayList with ArrayList< ArrayList > - for(int i=0; i< x_axis_length; i++) { + for(int i = 0; i < x_axis_length; i++) { space.add(new ArrayList< ArrayList >(y_axis_length)); - for(int j =0; j< y_axis_length; j++) { + for(int j = 0; j < y_axis_length; j++) { space.get(i).add(new ArrayList(z_axis_length)); } } //Set Red color for points (0,0,0) and (0,0,1) - space.get(0).get(0).add("Red"); - space.get(0).get(0).add("Red"); + space.get(0).get(0).add(0,"Red"); + space.get(0).get(0).add(1,"Red"); //Set Blue color for points (0,1,0) and (0,1,1) - space.get(0).get(1).add("Blue"); - space.get(0).get(1).add("Blue"); + space.get(0).get(1).add(0,"Blue"); + space.get(0).get(1).add(1,"Blue"); //Set Green color for points (1,0,0) and (1,0,1) - space.get(1).get(0).add("Green"); - space.get(1).get(0).add("Green"); + space.get(1).get(0).add(0,"Green"); + space.get(1).get(0).add(1,"Green"); //Set Yellow color for points (1,1,0) and (1,1,1) - space.get(1).get(1).add("Yellow"); - space.get(1).get(1).add("Yellow"); + space.get(1).get(1).add(0,"Yellow"); + space.get(1).get(1).add(1,"Yellow"); //Printing colors for all the points - for(int i=0; i + + + + %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n + + + + + + + + \ No newline at end of file diff --git a/core-java-collections/src/test/java/com/baeldung/array/converter/ArrayConvertToListUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/array/converter/ArrayConvertToListUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/array/converter/ArrayConvertToListUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/array/converter/ArrayConvertToListUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/collection/ClearVsRemoveAllUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/collection/ClearVsRemoveAllUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/collection/ClearVsRemoveAllUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/collection/ClearVsRemoveAllUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/collection/CollectionsEmpty.java b/core-java-collections-list/src/test/java/com/baeldung/collection/CollectionsEmpty.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/collection/CollectionsEmpty.java rename to core-java-collections-list/src/test/java/com/baeldung/collection/CollectionsEmpty.java diff --git a/core-java-collections/src/test/java/com/baeldung/findItems/FindItemsBasedOnOtherStreamUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/findItems/FindItemsBasedOnOtherStreamUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/findItems/FindItemsBasedOnOtherStreamUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/findItems/FindItemsBasedOnOtherStreamUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/findanelement/FindACustomerInGivenListUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/findanelement/FindACustomerInGivenListUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/findanelement/FindACustomerInGivenListUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/findanelement/FindACustomerInGivenListUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/java/list/CopyListServiceUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/java/list/CopyListServiceUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/java/list/CopyListServiceUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/java/list/CopyListServiceUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/java/list/CustomListUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/java/list/CustomListUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/java/list/CustomListUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/java/list/CustomListUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/java/list/ReverseIteratorUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/java/list/ReverseIteratorUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/java/list/ReverseIteratorUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/java/list/ReverseIteratorUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/java/list/WaysToIterateUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/java/list/WaysToIterateUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/java/list/WaysToIterateUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/java/list/WaysToIterateUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/java/listInitialization/ListInitializationUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/java/listInitialization/ListInitializationUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/java/listInitialization/ListInitializationUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/java/listInitialization/ListInitializationUnitTest.java diff --git a/core-java-8/src/test/java/com/baeldung/java8/Java8CollectionCleanupUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/java8/Java8CollectionCleanupUnitTest.java similarity index 100% rename from core-java-8/src/test/java/com/baeldung/java8/Java8CollectionCleanupUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/java8/Java8CollectionCleanupUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/java8/Java8MaxMinUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/java8/Java8MaxMinUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/java8/Java8MaxMinUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/java8/Java8MaxMinUnitTest.java diff --git a/core-java-8/src/test/java/com/baeldung/list/AddElementsUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/list/AddElementsUnitTest.java similarity index 100% rename from core-java-8/src/test/java/com/baeldung/list/AddElementsUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/list/AddElementsUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/list/flattennestedlist/FlattenNestedListUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/list/flattennestedlist/FlattenNestedListUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/list/flattennestedlist/FlattenNestedListUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/list/flattennestedlist/FlattenNestedListUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/list/listoflist/AddElementsToListUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/list/listoflist/AddElementsToListUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/list/listoflist/AddElementsToListUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/list/listoflist/AddElementsToListUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/list/listoflist/ListOfListsUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/list/listoflist/ListOfListsUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/list/listoflist/ListOfListsUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/list/listoflist/ListOfListsUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/list/removeall/RemoveAllUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/list/removeall/RemoveAllUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/list/removeall/RemoveAllUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/list/removeall/RemoveAllUnitTest.java diff --git a/core-java-collections/src/test/java/com/baeldung/list/removefirst/RemoveFirstElementUnitTest.java b/core-java-collections-list/src/test/java/com/baeldung/list/removefirst/RemoveFirstElementUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/com/baeldung/list/removefirst/RemoveFirstElementUnitTest.java rename to core-java-collections-list/src/test/java/com/baeldung/list/removefirst/RemoveFirstElementUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/RandomListElementUnitTest.java b/core-java-collections-list/src/test/java/org/baeldung/RandomListElementUnitTest.java similarity index 98% rename from core-java/src/test/java/com/baeldung/RandomListElementUnitTest.java rename to core-java-collections-list/src/test/java/org/baeldung/RandomListElementUnitTest.java index 6ae7c40f4d..4f5ba0f82f 100644 --- a/core-java/src/test/java/com/baeldung/RandomListElementUnitTest.java +++ b/core-java-collections-list/src/test/java/org/baeldung/RandomListElementUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung; +package org.baeldung; import com.google.common.collect.Lists; import org.junit.Test; diff --git a/core-java-collections/src/test/java/org/baeldung/java/collections/ArrayListUnitTest.java b/core-java-collections-list/src/test/java/org/baeldung/java/collections/ArrayListUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/org/baeldung/java/collections/ArrayListUnitTest.java rename to core-java-collections-list/src/test/java/org/baeldung/java/collections/ArrayListUnitTest.java diff --git a/core-java-collections/src/test/java/org/baeldung/java/collections/CoreJavaCollectionsUnitTest.java b/core-java-collections-list/src/test/java/org/baeldung/java/collections/CoreJavaCollectionsUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/org/baeldung/java/collections/CoreJavaCollectionsUnitTest.java rename to core-java-collections-list/src/test/java/org/baeldung/java/collections/CoreJavaCollectionsUnitTest.java diff --git a/core-java-collections/src/test/java/org/baeldung/java/collections/JavaCollectionCleanupUnitTest.java b/core-java-collections-list/src/test/java/org/baeldung/java/collections/JavaCollectionCleanupUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/org/baeldung/java/collections/JavaCollectionCleanupUnitTest.java rename to core-java-collections-list/src/test/java/org/baeldung/java/collections/JavaCollectionCleanupUnitTest.java diff --git a/core-java-collections/src/test/java/org/baeldung/java/lists/ListAssertJUnitTest.java b/core-java-collections-list/src/test/java/org/baeldung/java/lists/ListAssertJUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/org/baeldung/java/lists/ListAssertJUnitTest.java rename to core-java-collections-list/src/test/java/org/baeldung/java/lists/ListAssertJUnitTest.java diff --git a/core-java-collections/src/test/java/org/baeldung/java/lists/ListJUnitTest.java b/core-java-collections-list/src/test/java/org/baeldung/java/lists/ListJUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/org/baeldung/java/lists/ListJUnitTest.java rename to core-java-collections-list/src/test/java/org/baeldung/java/lists/ListJUnitTest.java diff --git a/core-java-collections/src/test/java/org/baeldung/java/lists/ListTestNgUnitTest.java b/core-java-collections-list/src/test/java/org/baeldung/java/lists/ListTestNgUnitTest.java similarity index 100% rename from core-java-collections/src/test/java/org/baeldung/java/lists/ListTestNgUnitTest.java rename to core-java-collections-list/src/test/java/org/baeldung/java/lists/ListTestNgUnitTest.java diff --git a/core-java-collections/src/test/java/org/baeldung/java/lists/README.md b/core-java-collections-list/src/test/java/org/baeldung/java/lists/README.md similarity index 100% rename from core-java-collections/src/test/java/org/baeldung/java/lists/README.md rename to core-java-collections-list/src/test/java/org/baeldung/java/lists/README.md diff --git a/core-java-collections/README.md b/core-java-collections/README.md index 4c0b24cd5d..be83621429 100644 --- a/core-java-collections/README.md +++ b/core-java-collections/README.md @@ -3,36 +3,21 @@ ## Core Java Collections Cookbooks and Examples ### Relevant Articles: -- [Immutable ArrayList in Java](http://www.baeldung.com/java-immutable-list) -- [Guide to the Java ArrayList](http://www.baeldung.com/java-arraylist) -- [Random List Element](http://www.baeldung.com/java-random-list-element) - [Java - Combine Multiple Collections](http://www.baeldung.com/java-combine-multiple-collections) -- [Removing all nulls from a List in Java](http://www.baeldung.com/java-remove-nulls-from-list) -- [Removing all duplicates from a List in Java](http://www.baeldung.com/java-remove-duplicates-from-list) -- [Flattening Nested Collections in Java](http://www.baeldung.com/java-flatten-nested-collections) - [HashSet and TreeSet Comparison](http://www.baeldung.com/java-hashset-vs-treeset) - [Collect a Java Stream to an Immutable Collection](http://www.baeldung.com/java-stream-immutable-collection) - [Introduction to the Java ArrayDeque](http://www.baeldung.com/java-array-deque) - [A Guide to HashSet in Java](http://www.baeldung.com/java-hashset) - [A Guide to TreeSet in Java](http://www.baeldung.com/java-tree-set) -- [How to TDD a List Implementation in Java](http://www.baeldung.com/java-test-driven-list) - [Getting the Size of an Iterable in Java](http://www.baeldung.com/java-iterable-size) -- [Iterating Backward Through a List](http://www.baeldung.com/java-list-iterate-backwards) - [How to Filter a Collection in Java](http://www.baeldung.com/java-collection-filtering) -- [Add Multiple Items to an Java ArrayList](http://www.baeldung.com/java-add-items-array-list) -- [Remove the First Element from a List](http://www.baeldung.com/java-remove-first-element-from-list) - [Initializing HashSet at the Time of Construction](http://www.baeldung.com/java-initialize-hashset) - [Removing the First Element of an Array](https://www.baeldung.com/java-array-remove-first-element) - [Fail-Safe Iterator vs Fail-Fast Iterator](http://www.baeldung.com/java-fail-safe-vs-fail-fast-iterator) - [Shuffling Collections In Java](http://www.baeldung.com/java-shuffle-collection) -- [How to Find an Element in a List with Java](http://www.baeldung.com/find-list-element-java) - [An Introduction to Java.util.Hashtable Class](http://www.baeldung.com/java-hash-table) -- [Copy a List to Another List in Java](http://www.baeldung.com/java-copy-list-to-another) -- [Finding Max/Min of a List or Collection](http://www.baeldung.com/java-collection-min-max) - [Java Null-Safe Streams from Collections](https://www.baeldung.com/java-null-safe-streams-from-collections) -- [Remove All Occurrences of a Specific Value from a List](https://www.baeldung.com/java-remove-value-from-list) - [Thread Safe LIFO Data Structure Implementations](https://www.baeldung.com/java-lifo-thread-safe) -- [Collections.emptyList() vs. New List Instance](https://www.baeldung.com/java-collections-emptylist-new-list) - [Differences Between Collection.clear() and Collection.removeAll()](https://www.baeldung.com/java-collection-clear-vs-removeall) - [Performance of contains() in a HashSet vs ArrayList](https://www.baeldung.com/java-hashset-arraylist-contains-performance) - [Time Complexity of Java Collections](https://www.baeldung.com/java-collections-complexity) @@ -40,15 +25,9 @@ - [An Introduction to Synchronized Java Collections](https://www.baeldung.com/java-synchronized-collections) - [Guide to EnumSet](https://www.baeldung.com/java-enumset) - [Removing Elements from Java Collections](https://www.baeldung.com/java-collection-remove-elements) -- [Converting a Collection to ArrayList in Java](https://www.baeldung.com/java-convert-collection-arraylist) -- [Java 8 Streams: Find Items From One List Based On Values From Another List](https://www.baeldung.com/java-streams-find-list-items) - [Combining Different Types of Collections in Java](https://www.baeldung.com/java-combine-collections) - [Sorting in Java](http://www.baeldung.com/java-sorting) -- [A Guide to the Java LinkedList](http://www.baeldung.com/java-linkedlist) -- [Java List UnsupportedOperationException](http://www.baeldung.com/java-list-unsupported-operation-exception) - [Join and Split Arrays and Collections in Java](http://www.baeldung.com/java-join-and-split) -- [Check If Two Lists are Equal in Java](http://www.baeldung.com/java-test-a-list-for-ordinality-and-equality) -- [Java List Initialization in One Line](https://www.baeldung.com/java-init-list-one-line) -- [ClassCastException: Arrays$ArrayList cannot be cast to ArrayList](https://www.baeldung.com/java-classcastexception-arrays-arraylist) - [A Guide to EnumMap](https://www.baeldung.com/java-enum-map) -- [Ways to Iterate Over a List in Java](https://www.baeldung.com/java-iterate-list) +- [A Guide to Iterator in Java](http://www.baeldung.com/java-iterator) +- [Differences Between HashMap and Hashtable](https://www.baeldung.com/hashmap-hashtable-differences) diff --git a/core-java/src/main/java/com/baeldung/iteratorguide/IteratorGuide.java b/core-java-collections/src/main/java/com/baeldung/iteratorguide/IteratorGuide.java similarity index 100% rename from core-java/src/main/java/com/baeldung/iteratorguide/IteratorGuide.java rename to core-java-collections/src/main/java/com/baeldung/iteratorguide/IteratorGuide.java diff --git a/core-java-collections/src/main/java/com/baeldung/java/list/VectorExample.java b/core-java-collections/src/main/java/com/baeldung/java/list/VectorExample.java new file mode 100644 index 0000000000..7debc07911 --- /dev/null +++ b/core-java-collections/src/main/java/com/baeldung/java/list/VectorExample.java @@ -0,0 +1,27 @@ +package com.baeldung.java.list; + +import java.util.Enumeration; +import java.util.Iterator; +import java.util.Vector; + +public class VectorExample { + + public static void main(String[] args) { + + Vector vector = new Vector<>(); + vector.add("baeldung"); + vector.add("Vector"); + vector.add("example"); + + Enumeration e = vector.elements(); + while(e.hasMoreElements()){ + System.out.println(e.nextElement()); + } + + Iterator iterator = vector.iterator(); + while (iterator.hasNext()) { + System.out.println(iterator.next()); + } + } + +} diff --git a/core-java-collections/src/main/java/com/baeldung/performance/ArrayListBenchmark.java b/core-java-collections/src/main/java/com/baeldung/performance/ArrayListBenchmark.java index dddd85007d..331ae8d908 100644 --- a/core-java-collections/src/main/java/com/baeldung/performance/ArrayListBenchmark.java +++ b/core-java-collections/src/main/java/com/baeldung/performance/ArrayListBenchmark.java @@ -9,7 +9,7 @@ import java.util.*; import java.util.concurrent.TimeUnit; @BenchmarkMode(Mode.AverageTime) -@OutputTimeUnit(TimeUnit.MICROSECONDS) +@OutputTimeUnit(TimeUnit.NANOSECONDS) @Warmup(iterations = 10) public class ArrayListBenchmark { @@ -17,6 +17,7 @@ public class ArrayListBenchmark { public static class MyState { List employeeList = new ArrayList<>(); + Vector employeeVector = new Vector<>(); //LinkedList employeeList = new LinkedList<>(); long iterations = 100000; @@ -29,9 +30,11 @@ public class ArrayListBenchmark { public void setUp() { for (long i = 0; i < iterations; i++) { employeeList.add(new Employee(i, "John")); + employeeVector.add(new Employee(i, "John")); } employeeList.add(employee); + employeeVector.add(employee); employeeIndex = employeeList.indexOf(employee); } } @@ -46,6 +49,11 @@ public class ArrayListBenchmark { return state.employeeList.contains(state.employee); } + @Benchmark + public boolean testContainsVector(ArrayListBenchmark.MyState state) { + return state.employeeVector.contains(state.employee); + } + @Benchmark public int testIndexOf(ArrayListBenchmark.MyState state) { return state.employeeList.indexOf(state.employee); @@ -56,19 +64,24 @@ public class ArrayListBenchmark { return state.employeeList.get(state.employeeIndex); } + @Benchmark + public Employee testVectorGet(ArrayListBenchmark.MyState state) { + return state.employeeVector.get(state.employeeIndex); + } + @Benchmark public boolean testRemove(ArrayListBenchmark.MyState state) { return state.employeeList.remove(state.employee); } -// @Benchmark -// public void testAdd(ArrayListBenchmark.MyState state) { -// state.employeeList.add(new Employee(state.iterations + 1, "John")); -// } + @Benchmark + public void testAdd(ArrayListBenchmark.MyState state) { + state.employeeList.add(new Employee(state.iterations + 1, "John")); + } public static void main(String[] args) throws Exception { Options options = new OptionsBuilder() - .include(ArrayListBenchmark.class.getSimpleName()).threads(1) + .include(ArrayListBenchmark.class.getSimpleName()).threads(3) .forks(1).shouldFailOnError(true) .shouldDoGC(true) .jvmArgs("-server").build(); diff --git a/core-java-collections/src/main/java/com/baeldung/queueInterface/CustomBaeldungQueue.java b/core-java-collections/src/main/java/com/baeldung/queueInterface/CustomBaeldungQueue.java new file mode 100644 index 0000000000..6b088a5079 --- /dev/null +++ b/core-java-collections/src/main/java/com/baeldung/queueInterface/CustomBaeldungQueue.java @@ -0,0 +1,48 @@ +package com.baeldung.queueinterface; + +import java.util.AbstractQueue; +import java.util.Iterator; +import java.util.LinkedList; + +public class CustomBaeldungQueue extends AbstractQueue { + + private LinkedList elements; + + public CustomBaeldungQueue() { + this.elements = new LinkedList(); + } + + @Override + public Iterator iterator() { + return elements.iterator(); + } + + @Override + public int size() { + return elements.size(); + } + + @Override + public boolean offer(T t) { + if(t == null) return false; + elements.add(t); + return true; + } + + @Override + public T poll() { + + Iterator iter = elements.iterator(); + T t = iter.next(); + if(t != null){ + iter.remove(); + return t; + } + return null; + } + + @Override + public T peek() { + return elements.getFirst(); + } +} diff --git a/core-java-collections/src/test/java/com/baeldung/queueInterface/PriorityQueueUnitTest.java b/core-java-collections/src/test/java/com/baeldung/queueInterface/PriorityQueueUnitTest.java new file mode 100644 index 0000000000..c5b564b55b --- /dev/null +++ b/core-java-collections/src/test/java/com/baeldung/queueInterface/PriorityQueueUnitTest.java @@ -0,0 +1,53 @@ +package com.baeldung.queueinterface; + +import org.junit.Before; +import org.junit.Test; + +import java.util.PriorityQueue; + +import static org.junit.Assert.assertEquals; + +public class PriorityQueueUnitTest { + + + + @Test + public void givenIntegerQueue_whenIntegersOutOfOrder_checkRetrievalOrderIsNatural() { + + PriorityQueue integerQueue = new PriorityQueue<>(); + + integerQueue.add(9); + integerQueue.add(2); + integerQueue.add(4); + + int first = integerQueue.poll(); + int second = integerQueue.poll(); + int third = integerQueue.poll(); + + assertEquals(2, first); + assertEquals(4, second); + assertEquals(9, third); + + + } + + @Test + public void givenStringQueue_whenStringsAddedOutOfNaturalOrder_checkRetrievalOrderNatural() { + + PriorityQueue stringQueue = new PriorityQueue<>(); + + stringQueue.add("banana"); + stringQueue.add("apple"); + stringQueue.add("cherry"); + + String first = stringQueue.poll(); + String second = stringQueue.poll(); + String third = stringQueue.poll(); + + assertEquals("apple", first); + assertEquals("banana", second); + assertEquals("cherry", third); + + + } +} diff --git a/core-java-collections/src/test/java/com/baeldung/queueinterface/CustomBaeldungQueueUnitTest.java b/core-java-collections/src/test/java/com/baeldung/queueinterface/CustomBaeldungQueueUnitTest.java new file mode 100644 index 0000000000..6dec768542 --- /dev/null +++ b/core-java-collections/src/test/java/com/baeldung/queueinterface/CustomBaeldungQueueUnitTest.java @@ -0,0 +1,30 @@ +package com.baeldung.queueinterface; + +import org.junit.Before; +import org.junit.Test; + +import static org.junit.Assert.*; + +public class CustomBaeldungQueueUnitTest { + + private CustomBaeldungQueue customQueue; + + @Before + public void setUp() throws Exception { + customQueue = new CustomBaeldungQueue<>(); + } + + @Test + public void givenQueueWithTwoElements_whenElementsRetrieved_checkRetrievalCorrect() { + + customQueue.add(7); + customQueue.add(5); + + int first = customQueue.poll(); + int second = customQueue.poll(); + + assertEquals(7, first); + assertEquals(5, second); + + } +} diff --git a/core-java-collections/src/test/java/org/baeldung/java/collections/CollectionsEmpty.java b/core-java-collections/src/test/java/org/baeldung/java/collections/CollectionsEmpty.java deleted file mode 100644 index 09ecebe47b..0000000000 --- a/core-java-collections/src/test/java/org/baeldung/java/collections/CollectionsEmpty.java +++ /dev/null @@ -1,26 +0,0 @@ -package org.baeldung.java.collections; - -import java.util.ArrayList; -import java.util.Collections; -import java.util.List; -import org.junit.Assert; -import org.junit.Test; - -class CollectionsEmpty { - - @Test - public void givenArrayList_whenAddingElement_addsNewElement() { - ArrayList mutableList = new ArrayList<>(); - mutableList.add("test"); - - Assert.assertEquals(mutableList.size(), 1); - Assert.assertEquals(mutableList.get(0), "test"); - } - - @Test(expected = UnsupportedOperationException.class) - public void givenCollectionsEmptyList_whenAddingElement_throwsUnsupportedOperationException() { - List immutableList = Collections.emptyList(); - immutableList.add("test"); - } - -} diff --git a/core-java-concurrency/.gitignore b/core-java-concurrency-advanced/.gitignore similarity index 100% rename from core-java-concurrency/.gitignore rename to core-java-concurrency-advanced/.gitignore diff --git a/core-java-concurrency/README.md b/core-java-concurrency-advanced/README.md similarity index 60% rename from core-java-concurrency/README.md rename to core-java-concurrency-advanced/README.md index e8693a0231..bcbec9d687 100644 --- a/core-java-concurrency/README.md +++ b/core-java-concurrency-advanced/README.md @@ -1,33 +1,21 @@ ========= -## Core Java Concurrency Examples +## Core Java Concurrency Advanced Examples ### Relevant Articles: -- [Guide To CompletableFuture](http://www.baeldung.com/java-completablefuture) -- [A Guide to the Java ExecutorService](http://www.baeldung.com/java-executor-service-tutorial) - [Introduction to Thread Pools in Java](http://www.baeldung.com/thread-pool-java-and-guava) -- [Guide to java.util.concurrent.Future](http://www.baeldung.com/java-future) - [Guide to CountDownLatch in Java](http://www.baeldung.com/java-countdown-latch) - [Guide to java.util.concurrent.Locks](http://www.baeldung.com/java-concurrent-locks) - [An Introduction to ThreadLocal in Java](http://www.baeldung.com/java-threadlocal) -- [Difference Between Wait and Sleep in Java](http://www.baeldung.com/java-wait-and-sleep) - [LongAdder and LongAccumulator in Java](http://www.baeldung.com/java-longadder-and-longaccumulator) - [The Dining Philosophers Problem in Java](http://www.baeldung.com/java-dining-philoshophers) - [Guide to the Java Phaser](http://www.baeldung.com/java-phaser) -- [Guide to Synchronized Keyword in Java](http://www.baeldung.com/java-synchronized) - [An Introduction to Atomic Variables in Java](http://www.baeldung.com/java-atomic-variables) - [CyclicBarrier in Java](http://www.baeldung.com/java-cyclic-barrier) - [Guide to Volatile Keyword in Java](http://www.baeldung.com/java-volatile) -- [Overview of the java.util.concurrent](http://www.baeldung.com/java-util-concurrent) - [Semaphores in Java](http://www.baeldung.com/java-semaphore) - [Daemon Threads in Java](http://www.baeldung.com/java-daemon-thread) -- [Implementing a Runnable vs Extending a Thread](http://www.baeldung.com/java-runnable-vs-extending-thread) -- [How to Kill a Java Thread](http://www.baeldung.com/java-thread-stop) -- [ExecutorService - Waiting for Threads to Finish](http://www.baeldung.com/java-executor-wait-for-threads) -- [wait and notify() Methods in Java](http://www.baeldung.com/java-wait-notify) - [Priority-based Job Scheduling in Java](http://www.baeldung.com/java-priority-job-schedule) -- [Life Cycle of a Thread in Java](http://www.baeldung.com/java-thread-lifecycle) -- [Runnable vs. Callable in Java](http://www.baeldung.com/java-runnable-callable) - [Brief Introduction to Java Thread.yield()](https://www.baeldung.com/java-thread-yield) - [Print Even and Odd Numbers Using 2 Threads](https://www.baeldung.com/java-even-odd-numbers-with-2-threads) - [Java CyclicBarrier vs CountDownLatch](https://www.baeldung.com/java-cyclicbarrier-countdownlatch) diff --git a/core-java-concurrency/pom.xml b/core-java-concurrency-advanced/pom.xml similarity index 94% rename from core-java-concurrency/pom.xml rename to core-java-concurrency-advanced/pom.xml index 5dde4d5820..1209cba619 100644 --- a/core-java-concurrency/pom.xml +++ b/core-java-concurrency-advanced/pom.xml @@ -2,10 +2,10 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 com.baeldung - core-java-concurrency + core-java-concurrency-advanced 0.1.0-SNAPSHOT jar - core-java-concurrency + core-java-concurrency-advanced com.baeldung @@ -60,7 +60,7 @@ - core-java-concurrency + core-java-concurrency-advanced src/main/resources diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java similarity index 94% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java index e3a1629ce1..ef6b7ee8c8 100644 --- a/core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java +++ b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java @@ -1,13 +1,13 @@ -package com.baeldung.concurrent.atomic; - -public class SafeCounterWithLock { - private volatile int counter; - - int getValue() { - return counter; - } - - synchronized void increment() { - counter++; - } -} +package com.baeldung.concurrent.atomic; + +public class SafeCounterWithLock { + private volatile int counter; + + int getValue() { + return counter; + } + + synchronized void increment() { + counter++; + } +} diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java similarity index 96% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java index 18ade35efb..8b2aebba7c 100644 --- a/core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java +++ b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java @@ -1,21 +1,21 @@ -package com.baeldung.concurrent.atomic; - -import java.util.concurrent.atomic.AtomicInteger; - -public class SafeCounterWithoutLock { - private final AtomicInteger counter = new AtomicInteger(0); - - int getValue() { - return counter.get(); - } - - void increment() { - while(true) { - int existingValue = getValue(); - int newValue = existingValue + 1; - if(counter.compareAndSet(existingValue, newValue)) { - return; - } - } - } -} +package com.baeldung.concurrent.atomic; + +import java.util.concurrent.atomic.AtomicInteger; + +public class SafeCounterWithoutLock { + private final AtomicInteger counter = new AtomicInteger(0); + + int getValue() { + return counter.get(); + } + + void increment() { + while(true) { + int existingValue = getValue(); + int newValue = existingValue + 1; + if(counter.compareAndSet(existingValue, newValue)) { + return; + } + } + } +} diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/UnsafeCounter.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/UnsafeCounter.java similarity index 94% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/UnsafeCounter.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/UnsafeCounter.java index 500ef5bd7e..290c26b73d 100644 --- a/core-java-concurrency/src/main/java/com/baeldung/concurrent/atomic/UnsafeCounter.java +++ b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/UnsafeCounter.java @@ -1,13 +1,13 @@ -package com.baeldung.concurrent.atomic; - -public class UnsafeCounter { - private int counter; - - int getValue() { - return counter; - } - - void increment() { - counter++; - } -} +package com.baeldung.concurrent.atomic; + +public class UnsafeCounter { + private int counter; + + int getValue() { + return counter; + } + + void increment() { + counter++; + } +} diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/BrokenWorker.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/BrokenWorker.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/BrokenWorker.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/BrokenWorker.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/WaitingWorker.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/WaitingWorker.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/WaitingWorker.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/WaitingWorker.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/Worker.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/Worker.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/countdownlatch/Worker.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/Worker.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCompletionMethodExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCompletionMethodExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCompletionMethodExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCompletionMethodExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierDemo.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierDemo.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierDemo.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierDemo.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/daemon/MultipleThreadsExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/daemon/MultipleThreadsExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/daemon/MultipleThreadsExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/daemon/MultipleThreadsExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/daemon/NewThread.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/daemon/NewThread.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/daemon/NewThread.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/daemon/NewThread.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/daemon/SingleThreadExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/daemon/SingleThreadExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/daemon/SingleThreadExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/daemon/SingleThreadExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/diningphilosophers/DiningPhilosophers.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/diningphilosophers/DiningPhilosophers.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/diningphilosophers/DiningPhilosophers.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/diningphilosophers/DiningPhilosophers.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/diningphilosophers/Philosopher.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/diningphilosophers/Philosopher.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/diningphilosophers/Philosopher.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/diningphilosophers/Philosopher.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddSemaphore.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddSemaphore.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddSemaphore.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddSemaphore.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddWaitNotify.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddWaitNotify.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddWaitNotify.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/evenandodd/PrintEvenOddWaitNotify.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/locks/ReentrantLockWithCondition.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/ReentrantLockWithCondition.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/locks/ReentrantLockWithCondition.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/ReentrantLockWithCondition.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/locks/SharedObjectWithLock.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/SharedObjectWithLock.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/locks/SharedObjectWithLock.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/SharedObjectWithLock.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/locks/StampedLockDemo.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/StampedLockDemo.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/locks/StampedLockDemo.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/StampedLockDemo.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLock.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLock.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLock.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLock.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/parameter/AverageCalculator.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/parameter/AverageCalculator.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/parameter/AverageCalculator.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/parameter/AverageCalculator.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/parameter/ParameterizedThreadExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/parameter/ParameterizedThreadExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/parameter/ParameterizedThreadExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/parameter/ParameterizedThreadExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/phaser/LongRunningAction.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/phaser/LongRunningAction.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/phaser/LongRunningAction.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/phaser/LongRunningAction.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/prioritytaskexecution/Job.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/prioritytaskexecution/Job.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/prioritytaskexecution/Job.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/prioritytaskexecution/Job.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/prioritytaskexecution/JobPriority.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/prioritytaskexecution/JobPriority.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/prioritytaskexecution/JobPriority.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/prioritytaskexecution/JobPriority.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobScheduler.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobScheduler.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobScheduler.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobScheduler.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/semaphores/CounterUsingMutex.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/semaphores/CounterUsingMutex.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/semaphores/CounterUsingMutex.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/semaphores/CounterUsingMutex.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/semaphores/DelayQueueUsingTimedSemaphore.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/semaphores/DelayQueueUsingTimedSemaphore.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/semaphores/DelayQueueUsingTimedSemaphore.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/semaphores/DelayQueueUsingTimedSemaphore.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/semaphores/LoginQueueUsingSemaphore.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/semaphores/LoginQueueUsingSemaphore.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/semaphores/LoginQueueUsingSemaphore.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/semaphores/LoginQueueUsingSemaphore.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/volatilekeyword/SharedObject.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/volatilekeyword/SharedObject.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/volatilekeyword/SharedObject.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/volatilekeyword/SharedObject.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/yield/ThreadYield.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/yield/ThreadYield.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/yield/ThreadYield.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/yield/ThreadYield.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/forkjoin/CustomRecursiveAction.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/forkjoin/CustomRecursiveAction.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/forkjoin/CustomRecursiveAction.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/forkjoin/CustomRecursiveAction.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/forkjoin/CustomRecursiveTask.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/forkjoin/CustomRecursiveTask.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/forkjoin/CustomRecursiveTask.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/forkjoin/CustomRecursiveTask.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/forkjoin/util/PoolUtil.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/forkjoin/util/PoolUtil.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/forkjoin/util/PoolUtil.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/forkjoin/util/PoolUtil.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadlocal/Context.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/Context.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadlocal/Context.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/Context.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadlocal/SharedMapWithUserContext.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/SharedMapWithUserContext.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadlocal/SharedMapWithUserContext.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/SharedMapWithUserContext.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadlocal/ThreadLocalWithUserContext.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/ThreadLocalWithUserContext.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadlocal/ThreadLocalWithUserContext.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/ThreadLocalWithUserContext.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadlocal/UserRepository.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/UserRepository.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadlocal/UserRepository.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/UserRepository.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadlocalrandom/ThreadLocalRandomBenchMarkRunner.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocalrandom/ThreadLocalRandomBenchMarkRunner.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadlocalrandom/ThreadLocalRandomBenchMarkRunner.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocalrandom/ThreadLocalRandomBenchMarkRunner.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadlocalrandom/ThreadLocalRandomBenchMarker.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocalrandom/ThreadLocalRandomBenchMarker.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadlocalrandom/ThreadLocalRandomBenchMarker.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocalrandom/ThreadLocalRandomBenchMarker.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadpool/CountingTask.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadpool/CountingTask.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadpool/CountingTask.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadpool/CountingTask.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadpool/ExitingExecutorServiceExample.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadpool/ExitingExecutorServiceExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadpool/ExitingExecutorServiceExample.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadpool/ExitingExecutorServiceExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/threadpool/TreeNode.java b/core-java-concurrency-advanced/src/main/java/com/baeldung/threadpool/TreeNode.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/threadpool/TreeNode.java rename to core-java-concurrency-advanced/src/main/java/com/baeldung/threadpool/TreeNode.java diff --git a/core-java-concurrency/src/main/java/log4j.properties b/core-java-concurrency-advanced/src/main/java/log4j.properties similarity index 100% rename from core-java-concurrency/src/main/java/log4j.properties rename to core-java-concurrency-advanced/src/main/java/log4j.properties diff --git a/core-java-concurrency/src/main/resources/logback.xml b/core-java-concurrency-advanced/src/main/resources/logback.xml similarity index 100% rename from core-java-concurrency/src/main/resources/logback.xml rename to core-java-concurrency-advanced/src/main/resources/logback.xml diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/accumulator/LongAccumulatorUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/accumulator/LongAccumulatorUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/accumulator/LongAccumulatorUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/accumulator/LongAccumulatorUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/adder/LongAdderUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/adder/LongAdderUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/adder/LongAdderUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/adder/LongAdderUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/atomic/ThreadSafeCounterIntegrationTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/atomic/ThreadSafeCounterIntegrationTest.java similarity index 97% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/atomic/ThreadSafeCounterIntegrationTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/atomic/ThreadSafeCounterIntegrationTest.java index 4eead471f8..c3c44b40cf 100644 --- a/core-java-concurrency/src/test/java/com/baeldung/concurrent/atomic/ThreadSafeCounterIntegrationTest.java +++ b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/atomic/ThreadSafeCounterIntegrationTest.java @@ -1,38 +1,38 @@ -package com.baeldung.concurrent.atomic; - -import static org.junit.Assert.assertEquals; - -import java.util.concurrent.ExecutorService; -import java.util.concurrent.Executors; -import java.util.concurrent.TimeUnit; -import java.util.stream.IntStream; - -import org.junit.Test; - -public class ThreadSafeCounterIntegrationTest { - - @Test - public void givenMultiThread_whenSafeCounterWithLockIncrement() throws InterruptedException { - ExecutorService service = Executors.newFixedThreadPool(3); - SafeCounterWithLock safeCounter = new SafeCounterWithLock(); - - IntStream.range(0, 1000) - .forEach(count -> service.submit(safeCounter::increment)); - service.awaitTermination(100, TimeUnit.MILLISECONDS); - - assertEquals(1000, safeCounter.getValue()); - } - - @Test - public void givenMultiThread_whenSafeCounterWithoutLockIncrement() throws InterruptedException { - ExecutorService service = Executors.newFixedThreadPool(3); - SafeCounterWithoutLock safeCounter = new SafeCounterWithoutLock(); - - IntStream.range(0, 1000) - .forEach(count -> service.submit(safeCounter::increment)); - service.awaitTermination(100, TimeUnit.MILLISECONDS); - - assertEquals(1000, safeCounter.getValue()); - } - -} +package com.baeldung.concurrent.atomic; + +import static org.junit.Assert.assertEquals; + +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.TimeUnit; +import java.util.stream.IntStream; + +import org.junit.Test; + +public class ThreadSafeCounterIntegrationTest { + + @Test + public void givenMultiThread_whenSafeCounterWithLockIncrement() throws InterruptedException { + ExecutorService service = Executors.newFixedThreadPool(3); + SafeCounterWithLock safeCounter = new SafeCounterWithLock(); + + IntStream.range(0, 1000) + .forEach(count -> service.submit(safeCounter::increment)); + service.awaitTermination(100, TimeUnit.MILLISECONDS); + + assertEquals(1000, safeCounter.getValue()); + } + + @Test + public void givenMultiThread_whenSafeCounterWithoutLockIncrement() throws InterruptedException { + ExecutorService service = Executors.newFixedThreadPool(3); + SafeCounterWithoutLock safeCounter = new SafeCounterWithoutLock(); + + IntStream.range(0, 1000) + .forEach(count -> service.submit(safeCounter::increment)); + service.awaitTermination(100, TimeUnit.MILLISECONDS); + + assertEquals(1000, safeCounter.getValue()); + } + +} diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/atomic/ThreadUnsafeCounterManualTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/atomic/ThreadUnsafeCounterManualTest.java similarity index 97% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/atomic/ThreadUnsafeCounterManualTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/atomic/ThreadUnsafeCounterManualTest.java index cc7cc18bb5..bf451e58de 100644 --- a/core-java-concurrency/src/test/java/com/baeldung/concurrent/atomic/ThreadUnsafeCounterManualTest.java +++ b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/atomic/ThreadUnsafeCounterManualTest.java @@ -1,33 +1,33 @@ -package com.baeldung.concurrent.atomic; - -import static org.junit.Assert.assertEquals; - -import java.util.concurrent.ExecutorService; -import java.util.concurrent.Executors; -import java.util.concurrent.TimeUnit; -import java.util.stream.IntStream; - -import org.junit.Test; - -/** - * This test shows the behaviour of a thread-unsafe class in a multithreaded scenario. We are calling - * the increment methods 1000 times from a pool of 3 threads. In most of the cases, the counter will - * less than 1000, because of lost updates, however, occasionally it may reach 1000, when no threads - * called the method simultaneously. This may cause the build to fail occasionally. Hence excluding this - * test from build by adding this in manual test - */ -public class ThreadUnsafeCounterManualTest { - - @Test - public void givenMultiThread_whenUnsafeCounterIncrement() throws InterruptedException { - ExecutorService service = Executors.newFixedThreadPool(3); - UnsafeCounter unsafeCounter = new UnsafeCounter(); - - IntStream.range(0, 1000) - .forEach(count -> service.submit(unsafeCounter::increment)); - service.awaitTermination(100, TimeUnit.MILLISECONDS); - - assertEquals(1000, unsafeCounter.getValue()); - } - -} +package com.baeldung.concurrent.atomic; + +import static org.junit.Assert.assertEquals; + +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.TimeUnit; +import java.util.stream.IntStream; + +import org.junit.Test; + +/** + * This test shows the behaviour of a thread-unsafe class in a multithreaded scenario. We are calling + * the increment methods 1000 times from a pool of 3 threads. In most of the cases, the counter will + * less than 1000, because of lost updates, however, occasionally it may reach 1000, when no threads + * called the method simultaneously. This may cause the build to fail occasionally. Hence excluding this + * test from build by adding this in manual test + */ +public class ThreadUnsafeCounterManualTest { + + @Test + public void givenMultiThread_whenUnsafeCounterIncrement() throws InterruptedException { + ExecutorService service = Executors.newFixedThreadPool(3); + UnsafeCounter unsafeCounter = new UnsafeCounter(); + + IntStream.range(0, 1000) + .forEach(count -> service.submit(unsafeCounter::increment)); + service.awaitTermination(100, TimeUnit.MILLISECONDS); + + assertEquals(1000, unsafeCounter.getValue()); + } + +} diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExampleUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExampleUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExampleUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExampleUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchExampleIntegrationTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchExampleIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchExampleIntegrationTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchExampleIntegrationTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExampleUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExampleUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExampleUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExampleUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCompletionMethodExampleUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCompletionMethodExampleUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCompletionMethodExampleUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCompletionMethodExampleUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExampleUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExampleUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExampleUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExampleUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExampleUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExampleUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExampleUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExampleUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/daemon/DaemonThreadUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/daemon/DaemonThreadUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/daemon/DaemonThreadUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/daemon/DaemonThreadUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/locks/SharedObjectWithLockManualTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/locks/SharedObjectWithLockManualTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/locks/SharedObjectWithLockManualTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/locks/SharedObjectWithLockManualTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLockManualTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLockManualTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLockManualTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLockManualTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/phaser/PhaserUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/phaser/PhaserUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/phaser/PhaserUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/phaser/PhaserUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobSchedulerUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobSchedulerUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobSchedulerUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobSchedulerUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/semaphores/SemaphoresManualTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/semaphores/SemaphoresManualTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/semaphores/SemaphoresManualTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/semaphores/SemaphoresManualTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/volatilekeyword/SharedObjectManualTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/volatilekeyword/SharedObjectManualTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/volatilekeyword/SharedObjectManualTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/volatilekeyword/SharedObjectManualTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/java8/Java8ForkJoinIntegrationTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/java8/Java8ForkJoinIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/java8/Java8ForkJoinIntegrationTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/java8/Java8ForkJoinIntegrationTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/parameters/ParameterizedThreadUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/parameters/ParameterizedThreadUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/parameters/ParameterizedThreadUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/parameters/ParameterizedThreadUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/thread/join/ThreadJoinUnitTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/thread/join/ThreadJoinUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/thread/join/ThreadJoinUnitTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/thread/join/ThreadJoinUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/threadlocal/ThreadLocalIntegrationTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/threadlocal/ThreadLocalIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/threadlocal/ThreadLocalIntegrationTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/threadlocal/ThreadLocalIntegrationTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/threadlocalrandom/ThreadLocalRandomIntegrationTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/threadlocalrandom/ThreadLocalRandomIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/threadlocalrandom/ThreadLocalRandomIntegrationTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/threadlocalrandom/ThreadLocalRandomIntegrationTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/threadpool/CoreThreadPoolIntegrationTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/threadpool/CoreThreadPoolIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/threadpool/CoreThreadPoolIntegrationTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/threadpool/CoreThreadPoolIntegrationTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/threadpool/GuavaThreadPoolIntegrationTest.java b/core-java-concurrency-advanced/src/test/java/com/baeldung/threadpool/GuavaThreadPoolIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/threadpool/GuavaThreadPoolIntegrationTest.java rename to core-java-concurrency-advanced/src/test/java/com/baeldung/threadpool/GuavaThreadPoolIntegrationTest.java diff --git a/core-java-concurrency/src/test/resources/.gitignore b/core-java-concurrency-advanced/src/test/resources/.gitignore similarity index 100% rename from core-java-concurrency/src/test/resources/.gitignore rename to core-java-concurrency-advanced/src/test/resources/.gitignore diff --git a/core-java-concurrency-basic/.gitignore b/core-java-concurrency-basic/.gitignore new file mode 100644 index 0000000000..3de4cc647e --- /dev/null +++ b/core-java-concurrency-basic/.gitignore @@ -0,0 +1,26 @@ +*.class + +0.* + +#folders# +/target +/neoDb* +/data +/src/main/webapp/WEB-INF/classes +*/META-INF/* +.resourceCache + +# Packaged files # +*.jar +*.war +*.ear + +# Files generated by integration tests +*.txt +backup-pom.xml +/bin/ +/temp + +#IntelliJ specific +.idea/ +*.iml \ No newline at end of file diff --git a/core-java-concurrency-basic/README.md b/core-java-concurrency-basic/README.md new file mode 100644 index 0000000000..1c43149d03 --- /dev/null +++ b/core-java-concurrency-basic/README.md @@ -0,0 +1,17 @@ +========= + +## Core Java Concurrency Basic Examples + +### Relevant Articles: +- [Guide To CompletableFuture](http://www.baeldung.com/java-completablefuture) +- [A Guide to the Java ExecutorService](http://www.baeldung.com/java-executor-service-tutorial) +- [Guide to java.util.concurrent.Future](http://www.baeldung.com/java-future) +- [Difference Between Wait and Sleep in Java](http://www.baeldung.com/java-wait-and-sleep) +- [Guide to Synchronized Keyword in Java](http://www.baeldung.com/java-synchronized) +- [Overview of the java.util.concurrent](http://www.baeldung.com/java-util-concurrent) +- [Implementing a Runnable vs Extending a Thread](http://www.baeldung.com/java-runnable-vs-extending-thread) +- [How to Kill a Java Thread](http://www.baeldung.com/java-thread-stop) +- [ExecutorService - Waiting for Threads to Finish](http://www.baeldung.com/java-executor-wait-for-threads) +- [wait and notify() Methods in Java](http://www.baeldung.com/java-wait-notify) +- [Life Cycle of a Thread in Java](http://www.baeldung.com/java-thread-lifecycle) +- [Runnable vs. Callable in Java](http://www.baeldung.com/java-runnable-callable) \ No newline at end of file diff --git a/core-java-concurrency-basic/pom.xml b/core-java-concurrency-basic/pom.xml new file mode 100644 index 0000000000..3544403aca --- /dev/null +++ b/core-java-concurrency-basic/pom.xml @@ -0,0 +1,55 @@ + + 4.0.0 + com.baeldung + core-java-concurrency-basic + 0.1.0-SNAPSHOT + jar + core-java-concurrency-basic + + + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../parent-java + + + + + org.apache.commons + commons-lang3 + ${commons-lang3.version} + + + org.assertj + assertj-core + ${assertj.version} + test + + + com.jayway.awaitility + awaitility + ${avaitility.version} + test + + + + + core-java-concurrency-basic + + + src/main/resources + true + + + + + + + 3.5 + + 3.6.1 + 1.7.0 + + + diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/Scheduledexecutorservice/ScheduledExecutorServiceDemo.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/Scheduledexecutorservice/ScheduledExecutorServiceDemo.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/Scheduledexecutorservice/ScheduledExecutorServiceDemo.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/Scheduledexecutorservice/ScheduledExecutorServiceDemo.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/callable/FactorialTask.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/callable/FactorialTask.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/callable/FactorialTask.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/callable/FactorialTask.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierExample.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierExample.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/Task.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/cyclicbarrier/Task.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/cyclicbarrier/Task.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/cyclicbarrier/Task.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/executor/ExecutorDemo.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executor/ExecutorDemo.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/executor/ExecutorDemo.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executor/ExecutorDemo.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/executor/Invoker.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executor/Invoker.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/executor/Invoker.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executor/Invoker.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/executorservice/DelayedCallable.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executorservice/DelayedCallable.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/executorservice/DelayedCallable.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executorservice/DelayedCallable.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/executorservice/ExecutorServiceDemo.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executorservice/ExecutorServiceDemo.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/executorservice/ExecutorServiceDemo.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executorservice/ExecutorServiceDemo.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/executorservice/Task.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executorservice/Task.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/executorservice/Task.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/executorservice/Task.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/future/FactorialSquareCalculator.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/future/FactorialSquareCalculator.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/future/FactorialSquareCalculator.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/future/FactorialSquareCalculator.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/future/FutureDemo.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/future/FutureDemo.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/future/FutureDemo.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/future/FutureDemo.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/future/SquareCalculator.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/future/SquareCalculator.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/future/SquareCalculator.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/future/SquareCalculator.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/runnable/EventLoggingTask.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/runnable/EventLoggingTask.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/runnable/EventLoggingTask.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/runnable/EventLoggingTask.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/runnable/TaskRunner.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/runnable/TaskRunner.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/runnable/TaskRunner.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/runnable/TaskRunner.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/semaphore/SemaPhoreDemo.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/semaphore/SemaPhoreDemo.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/semaphore/SemaPhoreDemo.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/semaphore/SemaPhoreDemo.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/sleepwait/ThreadA.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/sleepwait/ThreadA.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/sleepwait/ThreadA.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/sleepwait/ThreadA.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/sleepwait/ThreadB.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/sleepwait/ThreadB.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/sleepwait/ThreadB.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/sleepwait/ThreadB.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/sleepwait/WaitSleepExample.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/sleepwait/WaitSleepExample.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/sleepwait/WaitSleepExample.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/sleepwait/WaitSleepExample.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/stopping/ControlSubThread.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/stopping/ControlSubThread.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/stopping/ControlSubThread.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/stopping/ControlSubThread.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedBlocks.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedBlocks.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedBlocks.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedBlocks.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedMethods.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedMethods.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedMethods.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizedMethods.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadfactory/BaeldungThreadFactory.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadfactory/BaeldungThreadFactory.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadfactory/BaeldungThreadFactory.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadfactory/BaeldungThreadFactory.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadfactory/Demo.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadfactory/Demo.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadfactory/Demo.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadfactory/Demo.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadfactory/Task.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadfactory/Task.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadfactory/Task.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadfactory/Task.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/BlockedState.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/BlockedState.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/BlockedState.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/BlockedState.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/NewState.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/NewState.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/NewState.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/NewState.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/RunnableState.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/RunnableState.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/RunnableState.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/RunnableState.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/TerminatedState.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/TerminatedState.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/TerminatedState.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/TerminatedState.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/TimedWaitingState.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/TimedWaitingState.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/TimedWaitingState.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/TimedWaitingState.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/WaitingState.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/WaitingState.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/threadlifecycle/WaitingState.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadlifecycle/WaitingState.java diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/application/Application.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/application/Application.java new file mode 100644 index 0000000000..0c5caba8a0 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/application/Application.java @@ -0,0 +1,86 @@ +package com.baeldung.concurrent.threadsafety.application; + +import com.baeldung.concurrent.threadsafety.callables.AtomicCounterCallable; +import com.baeldung.concurrent.threadsafety.mathutils.MathUtils; +import com.baeldung.concurrent.threadsafety.callables.CounterCallable; +import com.baeldung.concurrent.threadsafety.callables.ExtrinsicLockCounterCallable; +import com.baeldung.concurrent.threadsafety.callables.MessageServiceCallable; +import com.baeldung.concurrent.threadsafety.callables.ReentranReadWriteLockCounterCallable; +import com.baeldung.concurrent.threadsafety.callables.ReentrantLockCounterCallable; +import com.baeldung.concurrent.threadsafety.services.AtomicCounter; +import com.baeldung.concurrent.threadsafety.services.Counter; +import com.baeldung.concurrent.threadsafety.services.ExtrinsicLockCounter; +import com.baeldung.concurrent.threadsafety.services.MessageService; +import com.baeldung.concurrent.threadsafety.services.ReentrantLockCounter; +import com.baeldung.concurrent.threadsafety.services.ReentrantReadWriteLockCounter; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collection; +import java.util.Collections; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ExecutionException; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.Future; + +public class Application { + + public static void main(String[] args) throws InterruptedException, ExecutionException { + + new Thread(() -> { + System.out.println(MathUtils.factorial(10)); + }).start(); + new Thread(() -> { + System.out.println(MathUtils.factorial(5)); + }).start(); + + ExecutorService executorService = Executors.newFixedThreadPool(10); + MessageService messageService = new MessageService("Welcome to Baeldung!"); + Future future1 = (Future) executorService.submit(new MessageServiceCallable(messageService)); + Future future2 = (Future) executorService.submit(new MessageServiceCallable(messageService)); + System.out.println(future1.get()); + System.out.println(future2.get()); + + Counter counter = new Counter(); + Future future3 = (Future) executorService.submit(new CounterCallable(counter)); + Future future4 = (Future) executorService.submit(new CounterCallable(counter)); + System.out.println(future3.get()); + System.out.println(future4.get()); + + ExtrinsicLockCounter extrinsicLockCounter = new ExtrinsicLockCounter(); + Future future5 = (Future) executorService.submit(new ExtrinsicLockCounterCallable(extrinsicLockCounter)); + Future future6 = (Future) executorService.submit(new ExtrinsicLockCounterCallable(extrinsicLockCounter)); + System.out.println(future5.get()); + System.out.println(future6.get()); + + ReentrantLockCounter reentrantLockCounter = new ReentrantLockCounter(); + Future future7 = (Future) executorService.submit(new ReentrantLockCounterCallable(reentrantLockCounter)); + Future future8 = (Future) executorService.submit(new ReentrantLockCounterCallable(reentrantLockCounter)); + System.out.println(future7.get()); + System.out.println(future8.get()); + + ReentrantReadWriteLockCounter reentrantReadWriteLockCounter = new ReentrantReadWriteLockCounter(); + Future future9 = (Future) executorService.submit(new ReentranReadWriteLockCounterCallable(reentrantReadWriteLockCounter)); + Future future10 = (Future) executorService.submit(new ReentranReadWriteLockCounterCallable(reentrantReadWriteLockCounter)); + System.out.println(future9.get()); + System.out.println(future10.get()); + + AtomicCounter atomicCounter = new AtomicCounter(); + Future future11 = (Future) executorService.submit(new AtomicCounterCallable(atomicCounter)); + Future future12 = (Future) executorService.submit(new AtomicCounterCallable(atomicCounter)); + System.out.println(future11.get()); + System.out.println(future12.get()); + + Collection syncCollection = Collections.synchronizedCollection(new ArrayList<>()); + Thread thread11 = new Thread(() -> syncCollection.addAll(Arrays.asList(1, 2, 3, 4, 5, 6))); + Thread thread12 = new Thread(() -> syncCollection.addAll(Arrays.asList(1, 2, 3, 4, 5, 6))); + thread11.start(); + thread12.start(); + + Map concurrentMap = new ConcurrentHashMap<>(); + concurrentMap.put("1", "one"); + concurrentMap.put("2", "two"); + concurrentMap.put("3", "three"); + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/AtomicCounterCallable.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/AtomicCounterCallable.java new file mode 100644 index 0000000000..d711299b5c --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/AtomicCounterCallable.java @@ -0,0 +1,19 @@ +package com.baeldung.concurrent.threadsafety.callables; + +import com.baeldung.concurrent.threadsafety.services.AtomicCounter; +import java.util.concurrent.Callable; + +public class AtomicCounterCallable implements Callable { + + private final AtomicCounter counter; + + public AtomicCounterCallable(AtomicCounter counter) { + this.counter = counter; + } + + @Override + public Integer call() throws Exception { + counter.incrementCounter(); + return counter.getCounter(); + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/CounterCallable.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/CounterCallable.java new file mode 100644 index 0000000000..cdcd84a17b --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/CounterCallable.java @@ -0,0 +1,19 @@ +package com.baeldung.concurrent.threadsafety.callables; + +import com.baeldung.concurrent.threadsafety.services.Counter; +import java.util.concurrent.Callable; + +public class CounterCallable implements Callable { + + private final Counter counter; + + public CounterCallable(Counter counter) { + this.counter = counter; + } + + @Override + public Integer call() throws Exception { + counter.incrementCounter(); + return counter.getCounter(); + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ExtrinsicLockCounterCallable.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ExtrinsicLockCounterCallable.java new file mode 100644 index 0000000000..29533e7630 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ExtrinsicLockCounterCallable.java @@ -0,0 +1,19 @@ +package com.baeldung.concurrent.threadsafety.callables; + +import com.baeldung.concurrent.threadsafety.services.ExtrinsicLockCounter; +import java.util.concurrent.Callable; + +public class ExtrinsicLockCounterCallable implements Callable { + + private final ExtrinsicLockCounter counter; + + public ExtrinsicLockCounterCallable(ExtrinsicLockCounter counter) { + this.counter = counter; + } + + @Override + public Integer call() throws Exception { + counter.incrementCounter(); + return counter.getCounter(); + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/MessageServiceCallable.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/MessageServiceCallable.java new file mode 100644 index 0000000000..84e8c7bb51 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/MessageServiceCallable.java @@ -0,0 +1,19 @@ +package com.baeldung.concurrent.threadsafety.callables; + +import com.baeldung.concurrent.threadsafety.services.MessageService; +import java.util.concurrent.Callable; + +public class MessageServiceCallable implements Callable { + + private final MessageService messageService; + + public MessageServiceCallable(MessageService messageService) { + this.messageService = messageService; + + } + + @Override + public String call() { + return messageService.getMesssage(); + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ReentranReadWriteLockCounterCallable.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ReentranReadWriteLockCounterCallable.java new file mode 100644 index 0000000000..e806460d50 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ReentranReadWriteLockCounterCallable.java @@ -0,0 +1,20 @@ +package com.baeldung.concurrent.threadsafety.callables; + +import com.baeldung.concurrent.threadsafety.services.ReentrantReadWriteLockCounter; +import java.util.concurrent.Callable; + +public class ReentranReadWriteLockCounterCallable implements Callable { + + private final ReentrantReadWriteLockCounter counter; + + public ReentranReadWriteLockCounterCallable(ReentrantReadWriteLockCounter counter) { + this.counter = counter; + } + + @Override + public Integer call() throws Exception { + counter.incrementCounter(); + return counter.getCounter(); + } + +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ReentrantLockCounterCallable.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ReentrantLockCounterCallable.java new file mode 100644 index 0000000000..3511a98c60 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/callables/ReentrantLockCounterCallable.java @@ -0,0 +1,19 @@ +package com.baeldung.concurrent.threadsafety.callables; + +import com.baeldung.concurrent.threadsafety.services.ReentrantLockCounter; +import java.util.concurrent.Callable; + +public class ReentrantLockCounterCallable implements Callable { + + private final ReentrantLockCounter counter; + + public ReentrantLockCounterCallable(ReentrantLockCounter counter) { + this.counter = counter; + } + + @Override + public Integer call() throws Exception { + counter.incrementCounter(); + return counter.getCounter(); + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/mathutils/MathUtils.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/mathutils/MathUtils.java new file mode 100644 index 0000000000..f560cd4281 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/mathutils/MathUtils.java @@ -0,0 +1,14 @@ +package com.baeldung.concurrent.threadsafety.mathutils; + +import java.math.BigInteger; + +public class MathUtils { + + public static BigInteger factorial(int number) { + BigInteger f = new BigInteger("1"); + for (int i = 2; i <= number; i++) { + f = f.multiply(BigInteger.valueOf(i)); + } + return f; + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/AtomicCounter.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/AtomicCounter.java new file mode 100644 index 0000000000..32a373495c --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/AtomicCounter.java @@ -0,0 +1,18 @@ +package com.baeldung.concurrent.threadsafety.services; + +import java.util.concurrent.atomic.AtomicInteger; + +public class AtomicCounter { + + private final AtomicInteger counter = new AtomicInteger(); + + public AtomicCounter() {} + + public void incrementCounter() { + counter.incrementAndGet(); + } + + public synchronized int getCounter() { + return counter.get(); + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/Counter.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/Counter.java new file mode 100644 index 0000000000..f7dbc05639 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/Counter.java @@ -0,0 +1,18 @@ +package com.baeldung.concurrent.threadsafety.services; + +public class Counter { + + private volatile int counter; + + public Counter() { + this.counter = 0; + } + + public synchronized void incrementCounter() { + counter += 1; + } + + public int getCounter() { + return counter; + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ExtrinsicLockCounter.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ExtrinsicLockCounter.java new file mode 100644 index 0000000000..8ab431fbc3 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ExtrinsicLockCounter.java @@ -0,0 +1,23 @@ +package com.baeldung.concurrent.threadsafety.services; + +public class ExtrinsicLockCounter { + + private int counter; + private final Object lock = new Object(); + + public ExtrinsicLockCounter() { + this.counter = 0; + } + + public void incrementCounter() { + synchronized (lock) { + counter += 1; + } + } + + public int getCounter() { + synchronized (lock) { + return counter; + } + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/MessageService.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/MessageService.java new file mode 100644 index 0000000000..33981381ea --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/MessageService.java @@ -0,0 +1,14 @@ +package com.baeldung.concurrent.threadsafety.services; + +public class MessageService { + + private final String message; + + public MessageService(String message) { + this.message = message; + } + + public String getMesssage() { + return message; + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ReentrantLockCounter.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ReentrantLockCounter.java new file mode 100644 index 0000000000..717f0717af --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ReentrantLockCounter.java @@ -0,0 +1,26 @@ +package com.baeldung.concurrent.threadsafety.services; + +import java.util.concurrent.locks.ReentrantLock; + +public class ReentrantLockCounter { + + private int counter; + private final ReentrantLock reLock = new ReentrantLock(true); + + public ReentrantLockCounter() { + this.counter = 0; + } + + public void incrementCounter() { + reLock.lock(); + try { + counter += 1; + } finally { + reLock.unlock(); + } + } + + public int getCounter() { + return counter; + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ReentrantReadWriteLockCounter.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ReentrantReadWriteLockCounter.java new file mode 100644 index 0000000000..f740c938b1 --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/ReentrantReadWriteLockCounter.java @@ -0,0 +1,34 @@ +package com.baeldung.concurrent.threadsafety.services; + +import java.util.concurrent.locks.Lock; +import java.util.concurrent.locks.ReentrantReadWriteLock; + +public class ReentrantReadWriteLockCounter { + + private int counter; + private final ReentrantReadWriteLock rwLock = new ReentrantReadWriteLock(); + private final Lock readLock = rwLock.readLock(); + private final Lock writeLock = rwLock.writeLock(); + + public ReentrantReadWriteLockCounter() { + this.counter = 0; + } + + public void incrementCounter() { + writeLock.lock(); + try { + counter += 1; + } finally { + writeLock.unlock(); + } + } + + public int getCounter() { + readLock.lock(); + try { + return counter; + } finally { + readLock.unlock(); + } + } +} diff --git a/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/StateHolder.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/StateHolder.java new file mode 100644 index 0000000000..5bbff9f39c --- /dev/null +++ b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/threadsafety/services/StateHolder.java @@ -0,0 +1,14 @@ +package com.baeldung.concurrent.threadsafety.services; + +public class StateHolder { + + private final String state; + + public StateHolder(String state) { + this.state = state; + } + + public String getState() { + return state; + } +} diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Data.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/waitandnotify/Data.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Data.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/waitandnotify/Data.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/NetworkDriver.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/waitandnotify/NetworkDriver.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/NetworkDriver.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/waitandnotify/NetworkDriver.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Receiver.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/waitandnotify/Receiver.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Receiver.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/waitandnotify/Receiver.java diff --git a/core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Sender.java b/core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/waitandnotify/Sender.java similarity index 100% rename from core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Sender.java rename to core-java-concurrency-basic/src/main/java/com/baeldung/concurrent/waitandnotify/Sender.java diff --git a/core-java-concurrency-basic/src/main/resources/logback.xml b/core-java-concurrency-basic/src/main/resources/logback.xml new file mode 100644 index 0000000000..56af2d397e --- /dev/null +++ b/core-java-concurrency-basic/src/main/resources/logback.xml @@ -0,0 +1,19 @@ + + + + + %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n + + + + + + + + + + + + + + \ No newline at end of file diff --git a/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/CounterTest.java b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/CounterTest.java new file mode 100644 index 0000000000..3abbb1bdad --- /dev/null +++ b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/CounterTest.java @@ -0,0 +1,23 @@ +package com.baeldung.concurrent.threadsafety.tests; + +import org.junit.Test; +import static org.assertj.core.api.Assertions.assertThat; +import com.baeldung.concurrent.threadsafety.callables.CounterCallable; +import com.baeldung.concurrent.threadsafety.services.Counter; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.Future; + +public class CounterTest { + + @Test + public void whenCalledIncrementCounter_thenCorrect() throws Exception { + ExecutorService executorService = Executors.newFixedThreadPool(2); + Counter counter = new Counter(); + Future future1 = (Future) executorService.submit(new CounterCallable(counter)); + Future future2 = (Future) executorService.submit(new CounterCallable(counter)); + + assertThat(future1.get()).isEqualTo(1); + assertThat(future2.get()).isEqualTo(2); + } +} diff --git a/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ExtrinsicLockCounterTest.java b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ExtrinsicLockCounterTest.java new file mode 100644 index 0000000000..dba90f5b74 --- /dev/null +++ b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ExtrinsicLockCounterTest.java @@ -0,0 +1,23 @@ +package com.baeldung.concurrent.threadsafety.tests; + +import org.junit.Test; +import static org.assertj.core.api.Assertions.assertThat; +import com.baeldung.concurrent.threadsafety.callables.ExtrinsicLockCounterCallable; +import com.baeldung.concurrent.threadsafety.services.ExtrinsicLockCounter; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.Future; + +public class ExtrinsicLockCounterTest { + + @Test + public void whenCalledIncrementCounter_thenCorrect() throws Exception { + ExecutorService executorService = Executors.newFixedThreadPool(2); + ExtrinsicLockCounter counter = new ExtrinsicLockCounter(); + Future future1 = (Future) executorService.submit(new ExtrinsicLockCounterCallable(counter)); + Future future2 = (Future) executorService.submit(new ExtrinsicLockCounterCallable(counter)); + + assertThat(future1.get()).isEqualTo(1); + assertThat(future2.get()).isEqualTo(2); + } +} diff --git a/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/MathUtilsTest.java b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/MathUtilsTest.java new file mode 100644 index 0000000000..8f3f574b03 --- /dev/null +++ b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/MathUtilsTest.java @@ -0,0 +1,13 @@ +package com.baeldung.concurrent.threadsafety.tests; + +import com.baeldung.concurrent.threadsafety.mathutils.MathUtils; +import org.junit.Test; +import static org.assertj.core.api.Assertions.assertThat; + +public class MathUtilsTest { + + @Test + public void whenCalledFactorialMethod_thenCorrect() { + assertThat(MathUtils.factorial(2)).isEqualTo(2); + } +} diff --git a/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/MessageServiceTest.java b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/MessageServiceTest.java new file mode 100644 index 0000000000..8f1f1a8754 --- /dev/null +++ b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/MessageServiceTest.java @@ -0,0 +1,23 @@ +package com.baeldung.concurrent.threadsafety.tests; + +import org.junit.Test; +import static org.assertj.core.api.Assertions.assertThat; +import com.baeldung.concurrent.threadsafety.callables.MessageServiceCallable; +import com.baeldung.concurrent.threadsafety.services.MessageService; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.Future; + +public class MessageServiceTest { + + @Test + public void whenCalledgetMessage_thenCorrect() throws Exception { + ExecutorService executorService = Executors.newFixedThreadPool(2); + MessageService messageService = new MessageService("Welcome to Baeldung!"); + Future future1 = (Future) executorService.submit(new MessageServiceCallable(messageService)); + Future future2 = (Future) executorService.submit(new MessageServiceCallable(messageService)); + + assertThat(future1.get()).isEqualTo("Welcome to Baeldung!"); + assertThat(future2.get()).isEqualTo("Welcome to Baeldung!"); + } +} diff --git a/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ReentrantLockCounterTest.java b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ReentrantLockCounterTest.java new file mode 100644 index 0000000000..05c721ab26 --- /dev/null +++ b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ReentrantLockCounterTest.java @@ -0,0 +1,23 @@ +package com.baeldung.concurrent.threadsafety.tests; + +import com.baeldung.concurrent.threadsafety.callables.ReentrantLockCounterCallable; +import com.baeldung.concurrent.threadsafety.services.ReentrantLockCounter; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.Future; +import static org.assertj.core.api.Assertions.assertThat; +import org.junit.Test; + +public class ReentrantLockCounterTest { + + @Test + public void whenCalledIncrementCounter_thenCorrect() throws Exception { + ExecutorService executorService = Executors.newFixedThreadPool(2); + ReentrantLockCounter counter = new ReentrantLockCounter(); + Future future1 = (Future) executorService.submit(new ReentrantLockCounterCallable(counter)); + Future future2 = (Future) executorService.submit(new ReentrantLockCounterCallable(counter)); + + assertThat(future1.get()).isEqualTo(1); + assertThat(future2.get()).isEqualTo(2); + } +} diff --git a/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ReentrantReadWriteLockCounterTest.java b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ReentrantReadWriteLockCounterTest.java new file mode 100644 index 0000000000..c56137ce04 --- /dev/null +++ b/core-java-concurrency-basic/src/test/com/baeldung/concurrent/threadsafety/tests/ReentrantReadWriteLockCounterTest.java @@ -0,0 +1,24 @@ +package com.baeldung.concurrent.threadsafety.tests; + +import com.baeldung.concurrent.threadsafety.callables.ReentranReadWriteLockCounterCallable; +import com.baeldung.concurrent.threadsafety.services.ReentrantReadWriteLockCounter; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.Future; +import static org.assertj.core.api.Assertions.assertThat; +import org.junit.Test; + +public class ReentrantReadWriteLockCounterTest { + + @Test + public void whenCalledIncrementCounter_thenCorrect() throws Exception { + ExecutorService executorService = Executors.newFixedThreadPool(2); + ReentrantReadWriteLockCounter counter = new ReentrantReadWriteLockCounter(); + Future future1 = (Future) executorService.submit(new ReentranReadWriteLockCounterCallable(counter)); + Future future2 = (Future) executorService.submit(new ReentranReadWriteLockCounterCallable(counter)); + + assertThat(future1.get()).isEqualTo(1); + assertThat(future2.get()).isEqualTo(2); + } + +} diff --git a/core-java-concurrency/src/test/java/com/baeldung/completablefuture/CompletableFutureLongRunningUnitTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/completablefuture/CompletableFutureLongRunningUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/completablefuture/CompletableFutureLongRunningUnitTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/completablefuture/CompletableFutureLongRunningUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/callable/FactorialTaskManualTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/callable/FactorialTaskManualTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/callable/FactorialTaskManualTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/callable/FactorialTaskManualTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/executorservice/WaitingForThreadsToFinishManualTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/executorservice/WaitingForThreadsToFinishManualTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/executorservice/WaitingForThreadsToFinishManualTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/executorservice/WaitingForThreadsToFinishManualTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/future/FactorialSquareCalculatorUnitTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/future/FactorialSquareCalculatorUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/future/FactorialSquareCalculatorUnitTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/future/FactorialSquareCalculatorUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/future/SquareCalculatorIntegrationTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/future/SquareCalculatorIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/future/SquareCalculatorIntegrationTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/future/SquareCalculatorIntegrationTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/runnable/RunnableVsThreadLiveTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/runnable/RunnableVsThreadLiveTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/runnable/RunnableVsThreadLiveTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/runnable/RunnableVsThreadLiveTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/stopping/StopThreadManualTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/stopping/StopThreadManualTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/stopping/StopThreadManualTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/stopping/StopThreadManualTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/synchronize/BaeldungSychronizedBlockUnitTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/synchronize/BaeldungSychronizedBlockUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/synchronize/BaeldungSychronizedBlockUnitTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/synchronize/BaeldungSychronizedBlockUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizeMethodsUnitTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizeMethodsUnitTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizeMethodsUnitTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/synchronize/BaeldungSynchronizeMethodsUnitTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/concurrent/waitandnotify/NetworkIntegrationTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/waitandnotify/NetworkIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/concurrent/waitandnotify/NetworkIntegrationTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/concurrent/waitandnotify/NetworkIntegrationTest.java diff --git a/core-java-concurrency/src/test/java/com/baeldung/java8/Java8ExecutorServiceIntegrationTest.java b/core-java-concurrency-basic/src/test/java/com/baeldung/java8/Java8ExecutorServiceIntegrationTest.java similarity index 100% rename from core-java-concurrency/src/test/java/com/baeldung/java8/Java8ExecutorServiceIntegrationTest.java rename to core-java-concurrency-basic/src/test/java/com/baeldung/java8/Java8ExecutorServiceIntegrationTest.java diff --git a/core-java-concurrency-basic/src/test/resources/.gitignore b/core-java-concurrency-basic/src/test/resources/.gitignore new file mode 100644 index 0000000000..83c05e60c8 --- /dev/null +++ b/core-java-concurrency-basic/src/test/resources/.gitignore @@ -0,0 +1,13 @@ +*.class + +#folders# +/target +/neoDb* +/data +/src/main/webapp/WEB-INF/classes +*/META-INF/* + +# Packaged files # +*.jar +*.war +*.ear \ No newline at end of file diff --git a/core-java-io/README.md b/core-java-io/README.md index 3d028783ed..2ad980ca6a 100644 --- a/core-java-io/README.md +++ b/core-java-io/README.md @@ -35,3 +35,5 @@ - [Guide to Java OutputStream](https://www.baeldung.com/java-outputstream) - [Reading a CSV File into an Array](https://www.baeldung.com/java-csv-file-array) - [Guide to BufferedReader](https://www.baeldung.com/java-buffered-reader) +- [How to Get the File Extension of a File in Java](http://www.baeldung.com/java-file-extension) +- [Getting a File’s Mime Type in Java](http://www.baeldung.com/java-file-mime-type) \ No newline at end of file diff --git a/core-java-io/pom.xml b/core-java-io/pom.xml index ac5f1f7c2e..1f2d52de81 100644 --- a/core-java-io/pom.xml +++ b/core-java-io/pom.xml @@ -160,6 +160,17 @@ ${opencsv.version} test + + + org.apache.tika + tika-core + ${tika.version} + + + net.sf.jmimemagic + jmimemagic + ${jmime-magic.version} + @@ -264,6 +275,9 @@ 2.1.0.1 1.19 2.4.5 + + 1.18 + 0.1.5 \ No newline at end of file diff --git a/core-java-io/src/main/java/com/baeldung/csv/WriteCsvFileExample.java b/core-java-io/src/main/java/com/baeldung/csv/WriteCsvFileExample.java new file mode 100644 index 0000000000..f409d05b06 --- /dev/null +++ b/core-java-io/src/main/java/com/baeldung/csv/WriteCsvFileExample.java @@ -0,0 +1,22 @@ +package com.baeldung.csv; + +import java.util.stream.Collectors; +import java.util.stream.Stream; + +public class WriteCsvFileExample { + + public String convertToCSV(String[] data) { + return Stream.of(data) + .map(this::escapeSpecialCharacters) + .collect(Collectors.joining(",")); + } + + public String escapeSpecialCharacters(String data) { + String escapedData = data.replaceAll("\\R", " "); + if (data.contains(",") || data.contains("\"") || data.contains("'")) { + data = data.replace("\"", "\"\""); + escapedData = "\"" + data + "\""; + } + return escapedData; + } +} diff --git a/core-java/src/main/java/com/baeldung/extension/Extension.java b/core-java-io/src/main/java/com/baeldung/extension/Extension.java similarity index 100% rename from core-java/src/main/java/com/baeldung/extension/Extension.java rename to core-java-io/src/main/java/com/baeldung/extension/Extension.java diff --git a/core-java-io/src/test/java/com/baeldung/csv/WriteCsvFileExampleUnitTest.java b/core-java-io/src/test/java/com/baeldung/csv/WriteCsvFileExampleUnitTest.java new file mode 100644 index 0000000000..0658ec6101 --- /dev/null +++ b/core-java-io/src/test/java/com/baeldung/csv/WriteCsvFileExampleUnitTest.java @@ -0,0 +1,84 @@ +package com.baeldung.csv; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertTrue; + +import java.io.File; +import java.io.FileNotFoundException; +import java.io.PrintWriter; +import java.util.ArrayList; +import java.util.List; + +import org.junit.Before; +import org.junit.Test; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class WriteCsvFileExampleUnitTest { + private static final Logger LOG = LoggerFactory.getLogger(WriteCsvFileExampleUnitTest.class); + + private static final String CSV_FILE_NAME = "src/test/resources/exampleOutput.csv"; + private WriteCsvFileExample csvExample; + + @Before + public void setupClass() { + csvExample = new WriteCsvFileExample(); + } + + @Test + public void givenCommaContainingData_whenEscapeSpecialCharacters_stringReturnedInQuotes() { + String data = "three,two,one"; + String escapedData = csvExample.escapeSpecialCharacters(data); + + String expectedData = "\"three,two,one\""; + assertEquals(expectedData, escapedData); + } + + @Test + public void givenQuoteContainingData_whenEscapeSpecialCharacters_stringReturnedFormatted() { + String data = "She said \"Hello\""; + String escapedData = csvExample.escapeSpecialCharacters(data); + + String expectedData = "\"She said \"\"Hello\"\"\""; + assertEquals(expectedData, escapedData); + } + + @Test + public void givenNewlineContainingData_whenEscapeSpecialCharacters_stringReturnedInQuotes() { + String dataNewline = "This contains\na newline"; + String dataCarriageReturn = "This contains\r\na newline and carriage return"; + String escapedDataNl = csvExample.escapeSpecialCharacters(dataNewline); + String escapedDataCr = csvExample.escapeSpecialCharacters(dataCarriageReturn); + + String expectedData = "This contains a newline"; + assertEquals(expectedData, escapedDataNl); + String expectedDataCr = "This contains a newline and carriage return"; + assertEquals(expectedDataCr, escapedDataCr); + } + + @Test + public void givenNonSpecialData_whenEscapeSpecialCharacters_stringReturnedUnchanged() { + String data = "This is nothing special"; + String returnedData = csvExample.escapeSpecialCharacters(data); + + assertEquals(data, returnedData); + } + + @Test + public void givenDataArray_whenConvertToCSV_thenOutputCreated() { + List dataLines = new ArrayList(); + dataLines.add(new String[] { "John", "Doe", "38", "Comment Data\nAnother line of comment data" }); + dataLines.add(new String[] { "Jane", "Doe, Jr.", "19", "She said \"I'm being quoted\"" }); + + File csvOutputFile = new File(CSV_FILE_NAME); + try (PrintWriter pw = new PrintWriter(csvOutputFile)) { + dataLines.stream() + .map(csvExample::convertToCSV) + .forEach(pw::println); + } catch (FileNotFoundException e) { + LOG.error("IOException " + e.getMessage()); + } + + assertTrue(csvOutputFile.exists()); + } +} diff --git a/core-java-io/src/test/java/com/baeldung/directories/NewDirectoryUnitTest.java b/core-java-io/src/test/java/com/baeldung/directories/NewDirectoryUnitTest.java new file mode 100644 index 0000000000..e0111c2702 --- /dev/null +++ b/core-java-io/src/test/java/com/baeldung/directories/NewDirectoryUnitTest.java @@ -0,0 +1,100 @@ +package com.baeldung.directories; + +import org.junit.Before; +import org.junit.Test; + +import java.io.File; + +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + +public class NewDirectoryUnitTest { + + private static final File TEMP_DIRECTORY = new File(System.getProperty("java.io.tmpdir")); + + @Before + public void beforeEach() { + File newDirectory = new File(TEMP_DIRECTORY, "new_directory"); + File nestedInNewDirectory = new File(newDirectory, "nested_directory"); + File existingDirectory = new File(TEMP_DIRECTORY, "existing_directory"); + File existingNestedDirectory = new File(existingDirectory, "existing_nested_directory"); + File nestedInExistingDirectory = new File(existingDirectory, "nested_directory"); + + nestedInNewDirectory.delete(); + newDirectory.delete(); + nestedInExistingDirectory.delete(); + existingDirectory.mkdir(); + existingNestedDirectory.mkdir(); + } + + @Test + public void givenUnexistingDirectory_whenMkdir_thenTrue() { + File newDirectory = new File(TEMP_DIRECTORY, "new_directory"); + assertFalse(newDirectory.exists()); + + boolean directoryCreated = newDirectory.mkdir(); + + assertTrue(directoryCreated); + } + + @Test + public void givenExistingDirectory_whenMkdir_thenFalse() { + File newDirectory = new File(TEMP_DIRECTORY, "new_directory"); + newDirectory.mkdir(); + assertTrue(newDirectory.exists()); + + boolean directoryCreated = newDirectory.mkdir(); + + assertFalse(directoryCreated); + } + + @Test + public void givenUnexistingNestedDirectories_whenMkdir_thenFalse() { + File newDirectory = new File(TEMP_DIRECTORY, "new_directory"); + File nestedDirectory = new File(newDirectory, "nested_directory"); + assertFalse(newDirectory.exists()); + assertFalse(nestedDirectory.exists()); + + boolean directoriesCreated = nestedDirectory.mkdir(); + + assertFalse(directoriesCreated); + } + + @Test + public void givenUnexistingNestedDirectories_whenMkdirs_thenTrue() { + File newDirectory = new File(TEMP_DIRECTORY, "new_directory"); + File nestedDirectory = new File(newDirectory, "nested_directory"); + assertFalse(newDirectory.exists()); + assertFalse(nestedDirectory.exists()); + + boolean directoriesCreated = nestedDirectory.mkdirs(); + + assertTrue(directoriesCreated); + } + + @Test + public void givenExistingParentDirectories_whenMkdirs_thenTrue() { + File newDirectory = new File(TEMP_DIRECTORY, "existing_directory"); + newDirectory.mkdir(); + File nestedDirectory = new File(newDirectory, "nested_directory"); + assertTrue(newDirectory.exists()); + assertFalse(nestedDirectory.exists()); + + boolean directoriesCreated = nestedDirectory.mkdirs(); + + assertTrue(directoriesCreated); + } + + @Test + public void givenExistingNestedDirectories_whenMkdirs_thenFalse() { + File existingDirectory = new File(TEMP_DIRECTORY, "existing_directory"); + File existingNestedDirectory = new File(existingDirectory, "existing_nested_directory"); + assertTrue(existingDirectory.exists()); + assertTrue(existingNestedDirectory.exists()); + + boolean directoriesCreated = existingNestedDirectory.mkdirs(); + + assertFalse(directoriesCreated); + } + +} diff --git a/core-java/src/test/java/com/baeldung/extension/ExtensionUnitTest.java b/core-java-io/src/test/java/com/baeldung/extension/ExtensionUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/extension/ExtensionUnitTest.java rename to core-java-io/src/test/java/com/baeldung/extension/ExtensionUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/java/mimetype/MimeTypeUnitTest.java b/core-java-io/src/test/java/com/baeldung/java/mimetype/MimeTypeUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/java/mimetype/MimeTypeUnitTest.java rename to core-java-io/src/test/java/com/baeldung/java/mimetype/MimeTypeUnitTest.java diff --git a/core-java-io/src/test/java/org/baeldung/java/io/InputStreamToByteBufferUnitTest.java b/core-java-io/src/test/java/org/baeldung/java/io/InputStreamToByteBufferUnitTest.java new file mode 100644 index 0000000000..37f52fefea --- /dev/null +++ b/core-java-io/src/test/java/org/baeldung/java/io/InputStreamToByteBufferUnitTest.java @@ -0,0 +1,56 @@ +package org.baeldung.java.io; + +import com.google.common.io.ByteSource; +import com.google.common.io.ByteStreams; +import org.apache.commons.io.IOUtils; +import org.junit.Test; + +import java.io.ByteArrayInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.nio.ByteBuffer; +import java.nio.channels.ReadableByteChannel; + +import static java.nio.channels.Channels.newChannel; +import static org.junit.Assert.assertEquals; + +public class InputStreamToByteBufferUnitTest { + + @Test + public void givenUsingCoreClasses_whenByteArrayInputStreamToAByteBuffer_thenLengthMustMatch() throws IOException { + byte[] input = new byte[] { 0, 1, 2 }; + InputStream initialStream = new ByteArrayInputStream(input); + ByteBuffer byteBuffer = ByteBuffer.allocate(3); + while (initialStream.available() > 0) { + byteBuffer.put((byte) initialStream.read()); + } + + assertEquals(byteBuffer.position(), input.length); + } + + @Test + public void givenUsingGuava__whenByteArrayInputStreamToAByteBuffer_thenLengthMustMatch() throws IOException { + InputStream initialStream = ByteSource + .wrap(new byte[] { 0, 1, 2 }) + .openStream(); + byte[] targetArray = ByteStreams.toByteArray(initialStream); + ByteBuffer bufferByte = ByteBuffer.wrap(targetArray); + while (bufferByte.hasRemaining()) { + bufferByte.get(); + } + + assertEquals(bufferByte.position(), targetArray.length); + } + + @Test + public void givenUsingCommonsIo_whenByteArrayInputStreamToAByteBuffer_thenLengthMustMatch() throws IOException { + byte[] input = new byte[] { 0, 1, 2 }; + InputStream initialStream = new ByteArrayInputStream(input); + ByteBuffer byteBuffer = ByteBuffer.allocate(3); + ReadableByteChannel channel = newChannel(initialStream); + IOUtils.readFully(channel, byteBuffer); + + assertEquals(byteBuffer.position(), input.length); + } + +} diff --git a/core-java/src/test/resources/META-INF/mime.types b/core-java-io/src/test/resources/META-INF/mime.types similarity index 100% rename from core-java/src/test/resources/META-INF/mime.types rename to core-java-io/src/test/resources/META-INF/mime.types diff --git a/core-java-io/src/test/resources/exampleOutput.csv b/core-java-io/src/test/resources/exampleOutput.csv new file mode 100644 index 0000000000..45c37f3a3b --- /dev/null +++ b/core-java-io/src/test/resources/exampleOutput.csv @@ -0,0 +1,2 @@ +John,Doe,38,Comment Data Another line of comment data +Jane,"Doe, Jr.",19,"She said ""I'm being quoted""" \ No newline at end of file diff --git a/core-java-io/src/test/resources/frontenac-2257154_960_720.jpg b/core-java-io/src/test/resources/frontenac-2257154_960_720.jpg new file mode 100644 index 0000000000..77c459b0e3 Binary files /dev/null and b/core-java-io/src/test/resources/frontenac-2257154_960_720.jpg differ diff --git a/core-java/src/test/resources/product.png b/core-java-io/src/test/resources/product.png similarity index 100% rename from core-java/src/test/resources/product.png rename to core-java-io/src/test/resources/product.png diff --git a/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Circle.java b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Circle.java new file mode 100644 index 0000000000..231b2f5a59 --- /dev/null +++ b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Circle.java @@ -0,0 +1,5 @@ +package com.baeldung.keyword; + +public class Circle extends Round implements Shape { + +} diff --git a/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Ring.java b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Ring.java new file mode 100644 index 0000000000..99873f9640 --- /dev/null +++ b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Ring.java @@ -0,0 +1,4 @@ +package com.baeldung.keyword; + +public class Ring extends Round { +} diff --git a/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Round.java b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Round.java new file mode 100644 index 0000000000..0e2cc2c8c7 --- /dev/null +++ b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Round.java @@ -0,0 +1,4 @@ +package com.baeldung.keyword; + +public class Round { +} diff --git a/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Shape.java b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Shape.java new file mode 100644 index 0000000000..8d00c165a3 --- /dev/null +++ b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Shape.java @@ -0,0 +1,4 @@ +package com.baeldung.keyword; + +public interface Shape { +} diff --git a/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Triangle.java b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Triangle.java new file mode 100644 index 0000000000..406b8f23e5 --- /dev/null +++ b/core-java-lang-syntax/src/main/java/com/baeldung/keyword/Triangle.java @@ -0,0 +1,4 @@ +package com.baeldung.keyword; + +public class Triangle implements Shape { +} diff --git a/core-java-lang-syntax/src/test/java/com/baeldung/keyword/test/InstanceOfUnitTest.java b/core-java-lang-syntax/src/test/java/com/baeldung/keyword/test/InstanceOfUnitTest.java new file mode 100644 index 0000000000..4c010e3a16 --- /dev/null +++ b/core-java-lang-syntax/src/test/java/com/baeldung/keyword/test/InstanceOfUnitTest.java @@ -0,0 +1,55 @@ +package com.baeldung.keyword.test; + +import org.junit.Assert; +import org.junit.jupiter.api.Test; + +import com.baeldung.keyword.Circle; +import com.baeldung.keyword.Ring; +import com.baeldung.keyword.Round; +import com.baeldung.keyword.Shape; +import com.baeldung.keyword.Triangle; + +public class InstanceOfUnitTest { + + @Test + public void giveWhenInstanceIsCorrect_thenReturnTrue() { + Ring ring = new Ring(); + Assert.assertTrue("ring is instance of Round ", ring instanceof Round); + } + + @Test + public void giveWhenObjectIsInstanceOfType_thenReturnTrue() { + Circle circle = new Circle(); + Assert.assertTrue("circle is instance of Circle ", circle instanceof Circle); + } + + + @Test + public void giveWhenInstanceIsOfSubtype_thenReturnTrue() { + Circle circle = new Circle(); + Assert.assertTrue("circle is instance of Round", circle instanceof Round); + } + + @Test + public void giveWhenTypeIsInterface_thenReturnTrue() { + Circle circle = new Circle(); + Assert.assertTrue("circle is instance of Shape", circle instanceof Shape); + } + + @Test + public void giveWhenTypeIsOfObjectType_thenReturnTrue() { + Thread thread = new Thread(); + Assert.assertTrue("thread is instance of Object", thread instanceof Object); + } + + @Test + public void giveWhenInstanceValueIsNull_thenReturnFalse() { + Circle circle = null; + Assert.assertFalse("circle is instance of Round", circle instanceof Round); + } + + @Test + public void giveWhenComparingClassInDiffHierarchy_thenCompilationError() { + // Assert.assertFalse("circle is instance of Triangle", circle instanceof Triangle); + } +} diff --git a/core-java-lang/README.md b/core-java-lang/README.md index 52dfe708a3..7af962558d 100644 --- a/core-java-lang/README.md +++ b/core-java-lang/README.md @@ -33,3 +33,5 @@ - [How to Separate Double into Integer and Decimal Parts](https://www.baeldung.com/java-separate-double-into-integer-decimal-parts) - [“Sneaky Throws” in Java](http://www.baeldung.com/java-sneaky-throws) - [Retrieving a Class Name in Java](https://www.baeldung.com/java-class-name) +- [Java Compound Operators](https://www.baeldung.com/java-compound-operators) +- [Guide to Java Packages](https://www.baeldung.com/java-packages) \ No newline at end of file diff --git a/core-java/native/nativedatetimeutils.dll b/core-java-lang/native/nativedatetimeutils.dll similarity index 100% rename from core-java/native/nativedatetimeutils.dll rename to core-java-lang/native/nativedatetimeutils.dll diff --git a/core-java-lang/src/main/java/com/baeldung/enums/values/Element1.java b/core-java-lang/src/main/java/com/baeldung/enums/values/Element1.java new file mode 100644 index 0000000000..6c80adacb1 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/enums/values/Element1.java @@ -0,0 +1,17 @@ +package com.baeldung.enums.values; + +/** + * This is a simple enum of periodic table elements + */ +public enum Element1 { + H, + HE, + LI, + BE, + B, + C, + N, + O, + F, + NE +} diff --git a/core-java-lang/src/main/java/com/baeldung/enums/values/Element2.java b/core-java-lang/src/main/java/com/baeldung/enums/values/Element2.java new file mode 100644 index 0000000000..28bf3a475a --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/enums/values/Element2.java @@ -0,0 +1,52 @@ +package com.baeldung.enums.values; + +/** + * The simple enum has been enhanced to add the name of the element. + */ +public enum Element2 { + H("Hydrogen"), + HE("Helium"), + LI("Lithium"), + BE("Beryllium"), + B("Boron"), + C("Carbon"), + N("Nitrogen"), + O("Oxygen"), + F("Flourine"), + NE("Neon"); + + /** a final variable to store the label, which can't be changed */ + public final String label; + + /** + * A private constructor that sets the label. + * @param label + */ + private Element2(String label) { + this.label = label; + } + + /** + * Look up Element2 instances by the label field. This implementation iterates through + * the values() list to find the label. + * @param label The label to look up + * @return The Element2 instance with the label, or null if not found. + */ + public static Element2 valueOfLabel(String label) { + for (Element2 e2 : values()) { + if (e2.label.equals(label)) { + return e2; + } + } + return null; + } + + /** + * Override the toString() method to return the label instead of the declared name. + * @return + */ + @Override + public String toString() { + return this.label; + } +} diff --git a/core-java-lang/src/main/java/com/baeldung/enums/values/Element3.java b/core-java-lang/src/main/java/com/baeldung/enums/values/Element3.java new file mode 100644 index 0000000000..cb98695de8 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/enums/values/Element3.java @@ -0,0 +1,63 @@ +package com.baeldung.enums.values; + +import java.util.HashMap; +import java.util.Map; + +/** + * A Map has been added to cache labels for faster lookup. + */ +public enum Element3 { + H("Hydrogen"), + HE("Helium"), + LI("Lithium"), + BE("Beryllium"), + B("Boron"), + C("Carbon"), + N("Nitrogen"), + O("Oxygen"), + F("Flourine"), + NE("Neon"); + + /** + * A map to cache labels and their associated Element3 instances. + * Note that this only works if the labels are all unique! + */ + private static final Map BY_LABEL = new HashMap<>(); + + /** populate the BY_LABEL cache */ + static { + for (Element3 e3 : values()) { + BY_LABEL.put(e3.label, e3); + } + } + + /** a final variable to store the label, which can't be changed */ + public final String label; + + /** + * A private constructor that sets the label. + * @param label + */ + private Element3(String label) { + this.label = label; + } + + /** + * Look up Element2 instances by the label field. This implementation finds the + * label in the BY_LABEL cache. + * @param label The label to look up + * @return The Element3 instance with the label, or null if not found. + */ + public static Element3 valueOfLabel(String label) { + return BY_LABEL.get(label); + } + + /** + * Override the toString() method to return the label instead of the declared name. + * @return + */ + @Override + public String toString() { + return this.label; + } +} diff --git a/core-java-lang/src/main/java/com/baeldung/enums/values/Element4.java b/core-java-lang/src/main/java/com/baeldung/enums/values/Element4.java new file mode 100644 index 0000000000..89c45f9d1b --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/enums/values/Element4.java @@ -0,0 +1,95 @@ +package com.baeldung.enums.values; + +import java.util.HashMap; +import java.util.Map; + +/** + * Multiple fields have been added and the Labeled interface is implemented. + */ +public enum Element4 implements Labeled { + H("Hydrogen", 1, 1.008f), + HE("Helium", 2, 4.0026f), + LI("Lithium", 3, 6.94f), + BE("Beryllium", 4, 9.01722f), + B("Boron", 5, 10.81f), + C("Carbon", 6, 12.011f), + N("Nitrogen", 7, 14.007f), + O("Oxygen", 8, 15.999f), + F("Flourine", 9, 18.998f), + NE("Neon", 10, 20.180f); + /** + * Maps cache labels and their associated Element3 instances. + * Note that this only works if the values are all unique! + */ + private static final Map BY_LABEL = new HashMap<>(); + private static final Map BY_ATOMIC_NUMBER = new HashMap<>(); + private static final Map BY_ATOMIC_WEIGHT = new HashMap<>(); + + /** populate the caches */ + static { + for (Element4 e4 : values()) { + BY_LABEL.put(e4.label, e4); + BY_ATOMIC_NUMBER.put(e4.atomicNumber, e4); + BY_ATOMIC_WEIGHT.put(e4.atomicWeight, e4); + } + } + + /** final variables to store the values, which can't be changed */ + public final String label; + public final int atomicNumber; + public final float atomicWeight; + + private Element4(String label, int atomicNumber, float atomicWeight) { + this.label = label; + this.atomicNumber = atomicNumber; + this.atomicWeight = atomicWeight; + } + + /** + * Implement the Labeled interface. + * @return the label value + */ + @Override + public String label() { + return label; + } + + /** + * Look up Element2 instances by the label field. This implementation finds the + * label in the BY_LABEL cache. + * @param label The label to look up + * @return The Element4 instance with the label, or null if not found. + */ + public static Element4 valueOfLabel(String label) { + return BY_LABEL.get(label); + } + + /** + * Look up Element2 instances by the atomicNumber field. This implementation finds the + * atomicNUmber in the cache. + * @param number The atomicNumber to look up + * @return The Element4 instance with the label, or null if not found. + */ + public static Element4 valueOfAtomicNumber(int number) { + return BY_ATOMIC_NUMBER.get(number); + } + + /** + * Look up Element2 instances by the atomicWeight field. This implementation finds the + * atomic weight in the cache. + * @param weight the atomic weight to look up + * @return The Element4 instance with the label, or null if not found. + */ + public static Element4 valueOfAtomicWeight(float weight) { + return BY_ATOMIC_WEIGHT.get(weight); + } + + /** + * Override the toString() method to return the label instead of the declared name. + * @return + */ + @Override + public String toString() { + return this.label; + } +} diff --git a/core-java-lang/src/main/java/com/baeldung/enums/values/Labeled.java b/core-java-lang/src/main/java/com/baeldung/enums/values/Labeled.java new file mode 100644 index 0000000000..e41d6525f1 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/enums/values/Labeled.java @@ -0,0 +1,5 @@ +package com.baeldung.enums.values; + +public interface Labeled { + String label(); +} diff --git a/core-java-lang/src/main/java/com/baeldung/interfaces/Box.java b/core-java-lang/src/main/java/com/baeldung/interfaces/Box.java new file mode 100644 index 0000000000..0bb6560465 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/Box.java @@ -0,0 +1,5 @@ +package com.baeldung.interfaces; + +public interface Box extends HasColor { + int getHeight(); +} diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/Employee.java b/core-java-lang/src/main/java/com/baeldung/interfaces/Employee.java similarity index 99% rename from core-java-8/src/main/java/com/baeldung/interfaces/Employee.java rename to core-java-lang/src/main/java/com/baeldung/interfaces/Employee.java index 903bc81e6f..8c6bd3f7f3 100644 --- a/core-java-8/src/main/java/com/baeldung/interfaces/Employee.java +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/Employee.java @@ -11,5 +11,4 @@ public class Employee { public void setSalary(double salary) { this.salary = salary; } - } diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/EmployeeSalaryComparator.java b/core-java-lang/src/main/java/com/baeldung/interfaces/EmployeeSalaryComparator.java similarity index 67% rename from core-java-8/src/main/java/com/baeldung/interfaces/EmployeeSalaryComparator.java rename to core-java-lang/src/main/java/com/baeldung/interfaces/EmployeeSalaryComparator.java index cfa4226c1a..5c841b7c2b 100644 --- a/core-java-8/src/main/java/com/baeldung/interfaces/EmployeeSalaryComparator.java +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/EmployeeSalaryComparator.java @@ -6,12 +6,11 @@ public class EmployeeSalaryComparator implements Comparator { @Override public int compare(Employee employeeA, Employee employeeB) { - - if(employeeA.getSalary() < employeeB.getSalary()){ + if (employeeA.getSalary() < employeeB.getSalary()) { return -1; - }else if(employeeA.getSalary() > employeeB.getSalary()){ + } else if (employeeA.getSalary() > employeeB.getSalary()) { return 1; - }else{ + } else { return 0; } } diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/HasColor.java b/core-java-lang/src/main/java/com/baeldung/interfaces/HasColor.java similarity index 66% rename from core-java-8/src/main/java/com/baeldung/interfaces/HasColor.java rename to core-java-lang/src/main/java/com/baeldung/interfaces/HasColor.java index 6eface2d47..d9688ea866 100644 --- a/core-java-8/src/main/java/com/baeldung/interfaces/HasColor.java +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/HasColor.java @@ -1,5 +1,4 @@ package com.baeldung.interfaces; public interface HasColor { - public String getColor(); -} \ No newline at end of file +} diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Car.java b/core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Car.java similarity index 84% rename from core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Car.java rename to core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Car.java index b951fc0273..d9b30a1e7b 100644 --- a/core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Car.java +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Car.java @@ -1,6 +1,7 @@ package com.baeldung.interfaces.multiinheritance; -public class Car implements Fly, Transform { +public class Car implements Fly,Transform { + @Override public void fly() { System.out.println("I can Fly!!"); diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Fly.java b/core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Fly.java similarity index 69% rename from core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Fly.java rename to core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Fly.java index d84182aec6..611e51c67b 100644 --- a/core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Fly.java +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Fly.java @@ -1,5 +1,6 @@ package com.baeldung.interfaces.multiinheritance; -public abstract interface Fly{ +public interface Fly { + void fly(); } diff --git a/core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Transform.java b/core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Transform.java similarity index 100% rename from core-java-8/src/main/java/com/baeldung/interfaces/multiinheritance/Transform.java rename to core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Transform.java diff --git a/core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Vehicle.java b/core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Vehicle.java new file mode 100644 index 0000000000..be25e112ee --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/multiinheritance/Vehicle.java @@ -0,0 +1,4 @@ +package com.baeldung.interfaces.multiinheritance; + +public abstract class Vehicle implements Transform { +} diff --git a/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Circle.java b/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Circle.java new file mode 100644 index 0000000000..b4d97bd53a --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Circle.java @@ -0,0 +1,9 @@ +package com.baeldung.interfaces.polymorphysim; + +public class Circle implements Shape { + + @Override + public String name() { + return "Circle"; + } +} diff --git a/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/MainTestClass.java b/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/MainTestClass.java new file mode 100644 index 0000000000..5cce3c3af0 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/MainTestClass.java @@ -0,0 +1,20 @@ +package com.baeldung.interfaces.polymorphysim; + +import java.util.ArrayList; +import java.util.List; + +public class MainTestClass { + + public static void main(String[] args) { + List shapes = new ArrayList<>(); + Shape circleShape = new Circle(); + Shape squareShape = new Square(); + + shapes.add(circleShape); + shapes.add(squareShape); + + for (Shape shape : shapes) { + System.out.println(shape.name()); + } + } +} diff --git a/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Shape.java b/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Shape.java new file mode 100644 index 0000000000..885dc73de2 --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Shape.java @@ -0,0 +1,6 @@ +package com.baeldung.interfaces.polymorphysim; + +public interface Shape { + + String name(); +} diff --git a/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Square.java b/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Square.java new file mode 100644 index 0000000000..c17bdd902d --- /dev/null +++ b/core-java-lang/src/main/java/com/baeldung/interfaces/polymorphysim/Square.java @@ -0,0 +1,9 @@ +package com.baeldung.interfaces.polymorphysim; + +public class Square implements Shape { + + @Override + public String name() { + return "Square"; + } +} diff --git a/core-java/src/main/java/com/baeldung/nativekeyword/DateTimeUtils.java b/core-java-lang/src/main/java/com/baeldung/nativekeyword/DateTimeUtils.java similarity index 100% rename from core-java/src/main/java/com/baeldung/nativekeyword/DateTimeUtils.java rename to core-java-lang/src/main/java/com/baeldung/nativekeyword/DateTimeUtils.java diff --git a/core-java/src/main/java/com/baeldung/nativekeyword/NativeMainApp.java b/core-java-lang/src/main/java/com/baeldung/nativekeyword/NativeMainApp.java similarity index 100% rename from core-java/src/main/java/com/baeldung/nativekeyword/NativeMainApp.java rename to core-java-lang/src/main/java/com/baeldung/nativekeyword/NativeMainApp.java diff --git a/core-java-lang/src/test/java/com/baeldung/enums/values/Element1UnitTest.java b/core-java-lang/src/test/java/com/baeldung/enums/values/Element1UnitTest.java new file mode 100644 index 0000000000..ab3e684230 --- /dev/null +++ b/core-java-lang/src/test/java/com/baeldung/enums/values/Element1UnitTest.java @@ -0,0 +1,48 @@ +package com.baeldung.enums.values; + +import org.junit.After; +import org.junit.AfterClass; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; +import static org.junit.Assert.*; + +/** + * + * @author chris + */ +public class Element1UnitTest { + + public Element1UnitTest() { + } + + @BeforeClass + public static void setUpClass() { + } + + @AfterClass + public static void tearDownClass() { + } + + @Before + public void setUp() { + } + + @After + public void tearDown() { + } + + @Test + public void whenAccessingToString_thenItShouldEqualName() { + for (Element1 e1 : Element1.values()) { + assertEquals(e1.name(), e1.toString()); + } + } + + @Test + public void whenCallingValueOf_thenReturnTheCorrectEnum() { + for (Element1 e1 : Element1.values()) { + assertSame(e1, Element1.valueOf(e1.name())); + } + } +} diff --git a/core-java-lang/src/test/java/com/baeldung/enums/values/Element2UnitTest.java b/core-java-lang/src/test/java/com/baeldung/enums/values/Element2UnitTest.java new file mode 100644 index 0000000000..02995a2f41 --- /dev/null +++ b/core-java-lang/src/test/java/com/baeldung/enums/values/Element2UnitTest.java @@ -0,0 +1,59 @@ +/* + * To change this license header, choose License Headers in Project Properties. + * To change this template file, choose Tools | Templates + * and open the template in the editor. + */ +package com.baeldung.enums.values; + +import org.junit.After; +import org.junit.AfterClass; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; +import static org.junit.Assert.*; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * + * @author chris + */ +public class Element2UnitTest { + private static final Logger LOGGER = LoggerFactory.getLogger(Element2UnitTest.class); + + public Element2UnitTest() { + } + + @BeforeClass + public static void setUpClass() { + } + + @AfterClass + public static void tearDownClass() { + } + + @Before + public void setUp() { + } + + @After + public void tearDown() { + } + + @Test + public void whenLocatebyLabel_thenReturnCorrectValue() { + for (Element2 e2 : Element2.values()) { + assertSame(e2, Element2.valueOfLabel(e2.label)); + } + } + + /** + * Test of toString method, of class Element2. + */ + @Test + public void whenCallingToString_thenReturnLabel() { + for (Element2 e2 : Element2.values()) { + assertEquals(e2.label, e2.toString()); + } + } +} diff --git a/core-java-lang/src/test/java/com/baeldung/enums/values/Element3UnitTest.java b/core-java-lang/src/test/java/com/baeldung/enums/values/Element3UnitTest.java new file mode 100644 index 0000000000..40c76a97b1 --- /dev/null +++ b/core-java-lang/src/test/java/com/baeldung/enums/values/Element3UnitTest.java @@ -0,0 +1,57 @@ +/* + * To change this license header, choose License Headers in Project Properties. + * To change this template file, choose Tools | Templates + * and open the template in the editor. + */ +package com.baeldung.enums.values; + +import org.junit.After; +import org.junit.AfterClass; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; +import static org.junit.Assert.*; + +/** + * + * @author chris + */ +public class Element3UnitTest { + + public Element3UnitTest() { + } + + @BeforeClass + public static void setUpClass() { + } + + @AfterClass + public static void tearDownClass() { + } + + @Before + public void setUp() { + } + + @After + public void tearDown() { + } + + @Test + public void whenLocatebyLabel_thenReturnCorrectValue() { + for (Element3 e3 : Element3.values()) { + assertSame(e3, Element3.valueOfLabel(e3.label)); + } + } + + /** + * Test of toString method, of class Element3. + */ + @Test + public void whenCallingToString_thenReturnLabel() { + for (Element3 e3 : Element3.values()) { + assertEquals(e3.label, e3.toString()); + } + } + +} diff --git a/core-java-lang/src/test/java/com/baeldung/enums/values/Element4UnitTest.java b/core-java-lang/src/test/java/com/baeldung/enums/values/Element4UnitTest.java new file mode 100644 index 0000000000..d349dcef72 --- /dev/null +++ b/core-java-lang/src/test/java/com/baeldung/enums/values/Element4UnitTest.java @@ -0,0 +1,71 @@ +/* + * To change this license header, choose License Headers in Project Properties. + * To change this template file, choose Tools | Templates + * and open the template in the editor. + */ +package com.baeldung.enums.values; + +import org.junit.After; +import org.junit.AfterClass; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; +import static org.junit.Assert.*; + +/** + * + * @author chris + */ +public class Element4UnitTest { + + public Element4UnitTest() { + } + + @BeforeClass + public static void setUpClass() { + } + + @AfterClass + public static void tearDownClass() { + } + + @Before + public void setUp() { + } + + @After + public void tearDown() { + } + + @Test + public void whenLocatebyLabel_thenReturnCorrectValue() { + for (Element4 e4 : Element4.values()) { + assertSame(e4, Element4.valueOfLabel(e4.label)); + } + } + + @Test + public void whenLocatebyAtmNum_thenReturnCorrectValue() { + for (Element4 e4 : Element4.values()) { + assertSame(e4, Element4.valueOfAtomicNumber(e4.atomicNumber)); + } + } + + @Test + public void whenLocatebyAtmWt_thenReturnCorrectValue() { + for (Element4 e4 : Element4.values()) { + assertSame(e4, Element4.valueOfAtomicWeight(e4.atomicWeight)); + } + } + + /** + * Test of toString method, of class Element4. + */ + @Test + public void whenCallingToString_thenReturnLabel() { + for (Element4 e4 : Element4.values()) { + assertEquals(e4.label, e4.toString()); + } + } + +} diff --git a/core-java/src/test/java/com/baeldung/nativekeyword/DateTimeUtilsManualTest.java b/core-java-lang/src/test/java/com/baeldung/nativekeyword/DateTimeUtilsManualTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/nativekeyword/DateTimeUtilsManualTest.java rename to core-java-lang/src/test/java/com/baeldung/nativekeyword/DateTimeUtilsManualTest.java diff --git a/core-java-networking/README.md b/core-java-networking/README.md index 4b77aa3c1f..b2367782b6 100644 --- a/core-java-networking/README.md +++ b/core-java-networking/README.md @@ -11,3 +11,6 @@ - [A Guide To HTTP Cookies In Java](http://www.baeldung.com/cookies-java) - [A Guide to the Java URL](http://www.baeldung.com/java-url) - [Working with Network Interfaces in Java](http://www.baeldung.com/java-network-interfaces) +- [A Guide to Java Sockets](http://www.baeldung.com/a-guide-to-java-sockets) +- [URL Encoding and Decoding in Java](http://www.baeldung.com/java-url-encoding-decoding) +- [How to Perform a Simple HTTP Request in Java](http://www.baeldung.com/java-http-request) \ No newline at end of file diff --git a/core-java-networking/pom.xml b/core-java-networking/pom.xml index c7fa2af180..d9c7c691e9 100644 --- a/core-java-networking/pom.xml +++ b/core-java-networking/pom.xml @@ -24,6 +24,16 @@ commons-io ${commons-io.version} + + org.springframework + spring-web + ${springframework.spring-web.version} + + + org.apache.commons + commons-lang3 + ${commons-lang3.version} + @@ -33,5 +43,7 @@ 1.5.0-b01 2.5 + 3.5 + 4.3.4.RELEASE diff --git a/core-java/src/main/java/com/baeldung/http/FullResponseBuilder.java b/core-java-networking/src/main/java/com/baeldung/http/FullResponseBuilder.java similarity index 100% rename from core-java/src/main/java/com/baeldung/http/FullResponseBuilder.java rename to core-java-networking/src/main/java/com/baeldung/http/FullResponseBuilder.java diff --git a/core-java/src/main/java/com/baeldung/http/ParameterStringBuilder.java b/core-java-networking/src/main/java/com/baeldung/http/ParameterStringBuilder.java similarity index 100% rename from core-java/src/main/java/com/baeldung/http/ParameterStringBuilder.java rename to core-java-networking/src/main/java/com/baeldung/http/ParameterStringBuilder.java diff --git a/core-java/src/main/java/com/baeldung/socket/EchoClient.java b/core-java-networking/src/main/java/com/baeldung/socket/EchoClient.java similarity index 100% rename from core-java/src/main/java/com/baeldung/socket/EchoClient.java rename to core-java-networking/src/main/java/com/baeldung/socket/EchoClient.java diff --git a/core-java/src/main/java/com/baeldung/socket/EchoMultiServer.java b/core-java-networking/src/main/java/com/baeldung/socket/EchoMultiServer.java similarity index 100% rename from core-java/src/main/java/com/baeldung/socket/EchoMultiServer.java rename to core-java-networking/src/main/java/com/baeldung/socket/EchoMultiServer.java diff --git a/core-java/src/main/java/com/baeldung/socket/EchoServer.java b/core-java-networking/src/main/java/com/baeldung/socket/EchoServer.java similarity index 100% rename from core-java/src/main/java/com/baeldung/socket/EchoServer.java rename to core-java-networking/src/main/java/com/baeldung/socket/EchoServer.java diff --git a/core-java/src/main/java/com/baeldung/socket/GreetClient.java b/core-java-networking/src/main/java/com/baeldung/socket/GreetClient.java similarity index 100% rename from core-java/src/main/java/com/baeldung/socket/GreetClient.java rename to core-java-networking/src/main/java/com/baeldung/socket/GreetClient.java diff --git a/core-java/src/main/java/com/baeldung/socket/GreetServer.java b/core-java-networking/src/main/java/com/baeldung/socket/GreetServer.java similarity index 100% rename from core-java/src/main/java/com/baeldung/socket/GreetServer.java rename to core-java-networking/src/main/java/com/baeldung/socket/GreetServer.java diff --git a/core-java/src/test/java/com/baeldung/encoderdecoder/EncoderDecoderUnitTest.java b/core-java-networking/src/test/java/com/baeldung/encoderdecoder/EncoderDecoderUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/encoderdecoder/EncoderDecoderUnitTest.java rename to core-java-networking/src/test/java/com/baeldung/encoderdecoder/EncoderDecoderUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/http/HttpRequestLiveTest.java b/core-java-networking/src/test/java/com/baeldung/http/HttpRequestLiveTest.java similarity index 99% rename from core-java/src/test/java/com/baeldung/http/HttpRequestLiveTest.java rename to core-java-networking/src/test/java/com/baeldung/http/HttpRequestLiveTest.java index 752a75daa5..bd6c0a4410 100644 --- a/core-java/src/test/java/com/baeldung/http/HttpRequestLiveTest.java +++ b/core-java-networking/src/test/java/com/baeldung/http/HttpRequestLiveTest.java @@ -1,6 +1,6 @@ package com.baeldung.http; -import org.apache.commons.lang.StringUtils; +import org.apache.commons.lang3.StringUtils; import org.junit.Test; import java.io.BufferedReader; diff --git a/core-java/src/test/java/com/baeldung/socket/EchoIntegrationTest.java b/core-java-networking/src/test/java/com/baeldung/socket/EchoIntegrationTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/socket/EchoIntegrationTest.java rename to core-java-networking/src/test/java/com/baeldung/socket/EchoIntegrationTest.java diff --git a/core-java/src/test/java/com/baeldung/socket/GreetServerIntegrationTest.java b/core-java-networking/src/test/java/com/baeldung/socket/GreetServerIntegrationTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/socket/GreetServerIntegrationTest.java rename to core-java-networking/src/test/java/com/baeldung/socket/GreetServerIntegrationTest.java diff --git a/core-java/src/test/java/com/baeldung/socket/SocketEchoMultiIntegrationTest.java b/core-java-networking/src/test/java/com/baeldung/socket/SocketEchoMultiIntegrationTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/socket/SocketEchoMultiIntegrationTest.java rename to core-java-networking/src/test/java/com/baeldung/socket/SocketEchoMultiIntegrationTest.java diff --git a/core-java-perf/README.md b/core-java-perf/README.md index 6af1c82a0a..252ee4cc45 100644 --- a/core-java-perf/README.md +++ b/core-java-perf/README.md @@ -2,3 +2,7 @@ ### Relevant Articles: - [Verbose Garbage Collection in Java](https://www.baeldung.com/java-verbose-gc) +- [Different Ways to Capture Java Heap Dumps](https://www.baeldung.com/java-heap-dump-capture) +- [Understanding Memory Leaks in Java](https://www.baeldung.com/java-memory-leaks) +- [OutOfMemoryError: GC Overhead Limit Exceeded](http://www.baeldung.com/java-gc-overhead-limit-exceeded) +- [Basic Introduction to JMX](http://www.baeldung.com/java-management-extensions) \ No newline at end of file diff --git a/core-java-perf/src/main/java/com/baeldung/flightrecorder/FlightRecorder.java b/core-java-perf/src/main/java/com/baeldung/flightrecorder/FlightRecorder.java new file mode 100644 index 0000000000..02c3e96124 --- /dev/null +++ b/core-java-perf/src/main/java/com/baeldung/flightrecorder/FlightRecorder.java @@ -0,0 +1,32 @@ +package com.baeldung.flightrecorder; + +import java.util.ArrayList; +import java.util.List; + +/** + * Simple program that illustrates how to use Java Flight Recorder. + * + * This programs creates a list, inserts objects in it until + * an OutOfMemoryError is thrown. + * + */ +public class FlightRecorder { + + public static void main(String[] args) { + List items = new ArrayList<>(1); + try { + while (true) { + items.add(new Object()); + } + } catch (OutOfMemoryError e) { + System.out.println(e.getMessage()); + } + assert items.size() > 0; + try { + Thread.sleep(1000); + } catch (InterruptedException e) { + System.out.println(e.getMessage()); + } + } + +} diff --git a/core-java/src/main/java/com/baeldung/heapdump/HeapDump.java b/core-java-perf/src/main/java/com/baeldung/heapdump/HeapDump.java similarity index 100% rename from core-java/src/main/java/com/baeldung/heapdump/HeapDump.java rename to core-java-perf/src/main/java/com/baeldung/heapdump/HeapDump.java diff --git a/core-java/src/main/java/com/baeldung/jmx/Game.java b/core-java-perf/src/main/java/com/baeldung/jmx/Game.java similarity index 100% rename from core-java/src/main/java/com/baeldung/jmx/Game.java rename to core-java-perf/src/main/java/com/baeldung/jmx/Game.java diff --git a/core-java/src/main/java/com/baeldung/jmx/GameMBean.java b/core-java-perf/src/main/java/com/baeldung/jmx/GameMBean.java similarity index 100% rename from core-java/src/main/java/com/baeldung/jmx/GameMBean.java rename to core-java-perf/src/main/java/com/baeldung/jmx/GameMBean.java diff --git a/core-java/src/main/java/com/baeldung/jmx/JMXTutorialMainlauncher.java b/core-java-perf/src/main/java/com/baeldung/jmx/JMXTutorialMainlauncher.java similarity index 100% rename from core-java/src/main/java/com/baeldung/jmx/JMXTutorialMainlauncher.java rename to core-java-perf/src/main/java/com/baeldung/jmx/JMXTutorialMainlauncher.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/equalshashcode/Person.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/equalshashcode/Person.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/equalshashcode/Person.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/equalshashcode/Person.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/equalshashcode/PersonOptimized.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/equalshashcode/PersonOptimized.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/equalshashcode/PersonOptimized.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/equalshashcode/PersonOptimized.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/finalize/BulkyObject.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/finalize/BulkyObject.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/finalize/BulkyObject.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/finalize/BulkyObject.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/finalize/BulkyObjectOptimized.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/finalize/BulkyObjectOptimized.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/finalize/BulkyObjectOptimized.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/finalize/BulkyObjectOptimized.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/innerclass/BulkyObject.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/innerclass/BulkyObject.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/innerclass/BulkyObject.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/innerclass/BulkyObject.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/innerclass/InnerClassDriver.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/innerclass/InnerClassDriver.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/innerclass/InnerClassDriver.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/innerclass/InnerClassDriver.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/innerclass/InnerClassWrapper.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/innerclass/InnerClassWrapper.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/innerclass/InnerClassWrapper.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/innerclass/InnerClassWrapper.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/innerclass/StaticNestedClassWrapper.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/innerclass/StaticNestedClassWrapper.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/innerclass/StaticNestedClassWrapper.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/innerclass/StaticNestedClassWrapper.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/internedstrings/InternedString.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/internedstrings/InternedString.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/internedstrings/InternedString.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/internedstrings/InternedString.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/internedstrings/ReadStringFromFileUtil.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/internedstrings/ReadStringFromFileUtil.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/internedstrings/ReadStringFromFileUtil.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/internedstrings/ReadStringFromFileUtil.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/internedstrings/StringObject.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/internedstrings/StringObject.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/internedstrings/StringObject.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/internedstrings/StringObject.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/staticfields/NonStaticFieldsDemo.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/staticfields/NonStaticFieldsDemo.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/staticfields/NonStaticFieldsDemo.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/staticfields/NonStaticFieldsDemo.java diff --git a/core-java/src/main/java/com/baeldung/memoryleaks/staticfields/StaticFieldsDemo.java b/core-java-perf/src/main/java/com/baeldung/memoryleaks/staticfields/StaticFieldsDemo.java similarity index 100% rename from core-java/src/main/java/com/baeldung/memoryleaks/staticfields/StaticFieldsDemo.java rename to core-java-perf/src/main/java/com/baeldung/memoryleaks/staticfields/StaticFieldsDemo.java diff --git a/core-java/src/main/java/com/baeldung/outofmemoryerror/OutOfMemoryGCLimitExceed.java b/core-java-perf/src/main/java/com/baeldung/outofmemoryerror/OutOfMemoryGCLimitExceed.java similarity index 100% rename from core-java/src/main/java/com/baeldung/outofmemoryerror/OutOfMemoryGCLimitExceed.java rename to core-java-perf/src/main/java/com/baeldung/outofmemoryerror/OutOfMemoryGCLimitExceed.java diff --git a/core-java-perf/src/main/resources/logback.xml b/core-java-perf/src/main/resources/logback.xml new file mode 100644 index 0000000000..56af2d397e --- /dev/null +++ b/core-java-perf/src/main/resources/logback.xml @@ -0,0 +1,19 @@ + + + + + %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n + + + + + + + + + + + + + + \ No newline at end of file diff --git a/core-java/src/test/java/com/baeldung/memoryleaks/equalshashcode/PersonMemoryLeakUnitTest.java b/core-java-perf/src/test/java/com/baeldung/memoryleaks/equalshashcode/PersonMemoryLeakUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/memoryleaks/equalshashcode/PersonMemoryLeakUnitTest.java rename to core-java-perf/src/test/java/com/baeldung/memoryleaks/equalshashcode/PersonMemoryLeakUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/memoryleaks/finalize/FinalizeMemoryLeakUnitTest.java b/core-java-perf/src/test/java/com/baeldung/memoryleaks/finalize/FinalizeMemoryLeakUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/memoryleaks/finalize/FinalizeMemoryLeakUnitTest.java rename to core-java-perf/src/test/java/com/baeldung/memoryleaks/finalize/FinalizeMemoryLeakUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/memoryleaks/innerclass/StaticInnerClassMemoryLeakUnitTest.java b/core-java-perf/src/test/java/com/baeldung/memoryleaks/innerclass/StaticInnerClassMemoryLeakUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/memoryleaks/innerclass/StaticInnerClassMemoryLeakUnitTest.java rename to core-java-perf/src/test/java/com/baeldung/memoryleaks/innerclass/StaticInnerClassMemoryLeakUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/memoryleaks/internedstrings/StringInternMemoryLeakUnitTest.java b/core-java-perf/src/test/java/com/baeldung/memoryleaks/internedstrings/StringInternMemoryLeakUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/memoryleaks/internedstrings/StringInternMemoryLeakUnitTest.java rename to core-java-perf/src/test/java/com/baeldung/memoryleaks/internedstrings/StringInternMemoryLeakUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/memoryleaks/staticfields/NonStaticFieldsMemoryLeakUnitTest.java b/core-java-perf/src/test/java/com/baeldung/memoryleaks/staticfields/NonStaticFieldsMemoryLeakUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/memoryleaks/staticfields/NonStaticFieldsMemoryLeakUnitTest.java rename to core-java-perf/src/test/java/com/baeldung/memoryleaks/staticfields/NonStaticFieldsMemoryLeakUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/memoryleaks/staticfields/StaticFieldsMemoryLeakUnitTest.java b/core-java-perf/src/test/java/com/baeldung/memoryleaks/staticfields/StaticFieldsMemoryLeakUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/memoryleaks/staticfields/StaticFieldsMemoryLeakUnitTest.java rename to core-java-perf/src/test/java/com/baeldung/memoryleaks/staticfields/StaticFieldsMemoryLeakUnitTest.java diff --git a/core-java-security/README.md b/core-java-security/README.md new file mode 100644 index 0000000000..415171094b --- /dev/null +++ b/core-java-security/README.md @@ -0,0 +1,11 @@ +## Core Java Security + +### Relevant Articles: +- [MD5 Hashing in Java](http://www.baeldung.com/java-md5) +- [Guide to the Cipher Class](http://www.baeldung.com/java-cipher-class) +- [Introduction to SSL in Java](http://www.baeldung.com/java-ssl) +- [Java KeyStore API](http://www.baeldung.com/java-keystore) +- [Encrypting and Decrypting Files in Java](http://www.baeldung.com/java-cipher-input-output-stream) +- [Hashing a Password in Java](https://www.baeldung.com/java-password-hashing) +- [SSL Handshake Failures](https://www.baeldung.com/java-ssl-handshake-failures) +- [SHA-256 Hashing in Java](https://www.baeldung.com/sha-256-hashing-java) \ No newline at end of file diff --git a/core-java-security/pom.xml b/core-java-security/pom.xml new file mode 100644 index 0000000000..cf91121465 --- /dev/null +++ b/core-java-security/pom.xml @@ -0,0 +1,55 @@ + + 4.0.0 + com.baeldung + core-java-security + 0.1.0-SNAPSHOT + jar + core-java-security + + + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../parent-java + + + + + org.apache.commons + commons-lang3 + ${commons-lang3.version} + + + + org.assertj + assertj-core + ${assertj-core.version} + test + + + + commons-codec + commons-codec + ${commons-codec.version} + + + org.bouncycastle + bcprov-jdk15on + ${bouncycastle.version} + + + + + + + 3.8.1 + 1.55 + 1.10 + + + 3.10.0 + + + + diff --git a/core-java/src/main/java/com/baeldung/cipher/Encryptor.java b/core-java-security/src/main/java/com/baeldung/cipher/Encryptor.java similarity index 100% rename from core-java/src/main/java/com/baeldung/cipher/Encryptor.java rename to core-java-security/src/main/java/com/baeldung/cipher/Encryptor.java diff --git a/core-java/src/main/java/com/baeldung/encrypt/FileEncrypterDecrypter.java b/core-java-security/src/main/java/com/baeldung/encrypt/FileEncrypterDecrypter.java similarity index 100% rename from core-java/src/main/java/com/baeldung/encrypt/FileEncrypterDecrypter.java rename to core-java-security/src/main/java/com/baeldung/encrypt/FileEncrypterDecrypter.java diff --git a/core-java/src/main/java/com/baeldung/hashing/SHA256Hashing.java b/core-java-security/src/main/java/com/baeldung/hashing/SHA256Hashing.java similarity index 100% rename from core-java/src/main/java/com/baeldung/hashing/SHA256Hashing.java rename to core-java-security/src/main/java/com/baeldung/hashing/SHA256Hashing.java diff --git a/core-java/src/main/java/com/baeldung/keystore/JavaKeyStore.java b/core-java-security/src/main/java/com/baeldung/keystore/JavaKeyStore.java similarity index 100% rename from core-java/src/main/java/com/baeldung/keystore/JavaKeyStore.java rename to core-java-security/src/main/java/com/baeldung/keystore/JavaKeyStore.java diff --git a/core-java/src/main/java/com/baeldung/passwordhashing/PBKDF2Hasher.java b/core-java-security/src/main/java/com/baeldung/passwordhashing/PBKDF2Hasher.java similarity index 100% rename from core-java/src/main/java/com/baeldung/passwordhashing/PBKDF2Hasher.java rename to core-java-security/src/main/java/com/baeldung/passwordhashing/PBKDF2Hasher.java diff --git a/core-java/src/main/java/com/baeldung/passwordhashing/SHA512Hasher.java b/core-java-security/src/main/java/com/baeldung/passwordhashing/SHA512Hasher.java similarity index 100% rename from core-java/src/main/java/com/baeldung/passwordhashing/SHA512Hasher.java rename to core-java-security/src/main/java/com/baeldung/passwordhashing/SHA512Hasher.java diff --git a/core-java/src/main/java/com/baeldung/passwordhashing/SimplePBKDF2Hasher.java b/core-java-security/src/main/java/com/baeldung/passwordhashing/SimplePBKDF2Hasher.java similarity index 100% rename from core-java/src/main/java/com/baeldung/passwordhashing/SimplePBKDF2Hasher.java rename to core-java-security/src/main/java/com/baeldung/passwordhashing/SimplePBKDF2Hasher.java diff --git a/core-java-security/src/main/java/com/baeldung/ssl/EnableTLSv12.java b/core-java-security/src/main/java/com/baeldung/ssl/EnableTLSv12.java new file mode 100644 index 0000000000..aa70b11584 --- /dev/null +++ b/core-java-security/src/main/java/com/baeldung/ssl/EnableTLSv12.java @@ -0,0 +1,115 @@ +package com.baeldung.ssl; + +import java.io.BufferedReader; +import java.io.BufferedWriter; +import java.io.IOException; +import java.io.InputStreamReader; +import java.io.OutputStreamWriter; +import java.io.PrintWriter; +import java.net.URL; +import java.net.UnknownHostException; +import java.security.KeyManagementException; +import java.security.NoSuchAlgorithmException; +import java.security.SecureRandom; + +import javax.net.ssl.HttpsURLConnection; +import javax.net.ssl.SSLContext; +import javax.net.ssl.SSLParameters; +import javax.net.ssl.SSLSocket; +import javax.net.ssl.SSLSocketFactory; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class EnableTLSv12 { + + private final Logger logger = LoggerFactory.getLogger(EnableTLSv12.class); + + public String url = ""; + public Integer port = null; + + public EnableTLSv12() { + } + + public static void main(String[] args) throws IOException, KeyManagementException, NoSuchAlgorithmException { + EnableTLSv12 enableTLSv12 = new EnableTLSv12(); + if (args.length != 2) { + System.out.println("Provide the server url and the secure port:"); + System.exit(-1); + } + enableTLSv12.setHost(args); + enableTLSv12.setPort(args); + enableTLSv12.enableTLSv12UsingHttpConnection(); + enableTLSv12.enableTLSv12UsingProtocol(); + enableTLSv12.enableTLSv12UsingSSLContext(); + enableTLSv12.enableTLSv12UsingSSLParameters(); + } + + private void setPort(String[] args) { + url = args[0]; + } + + private void setHost(String[] args) { + String portNumber = args[1]; + port = Integer.parseInt(portNumber); + } + + private void handleCommunication(SSLSocket socket, String usedTLSProcess) throws IOException { + logger.debug("Enabled TLS v1.2 on " + usedTLSProcess); + try (PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()))); BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()))) { + out.println("GET / HTTP/1.0"); + out.println(); + out.flush(); + if (out.checkError()) { + logger.error("SSLSocketClient: java.io.PrintWriter error"); + return; + } + + String inputLine; + while ((inputLine = in.readLine()) != null) + logger.info(inputLine); + } + } + + public void enableTLSv12UsingSSLParameters() throws UnknownHostException, IOException { + SSLSocketFactory socketFactory = (SSLSocketFactory) SSLSocketFactory.getDefault(); + SSLSocket sslSocket = (SSLSocket) socketFactory.createSocket(url.trim(), port); + SSLParameters params = new SSLParameters(); + params.setProtocols(new String[] { "TLSv1.2" }); + sslSocket.setSSLParameters(params); + sslSocket.startHandshake(); + handleCommunication(sslSocket, "SSLSocketFactory-SSLParameters"); + } + + public void enableTLSv12UsingProtocol() throws IOException { + SSLSocketFactory socketFactory = (SSLSocketFactory) SSLSocketFactory.getDefault(); + SSLSocket sslSocket = (SSLSocket) socketFactory.createSocket(url, port); + sslSocket.setEnabledProtocols(new String[] { "TLSv1.2" }); + sslSocket.startHandshake(); + handleCommunication(sslSocket, "SSLSocketFactory-EnabledProtocols"); + } + + public void enableTLSv12UsingHttpConnection() throws IOException, NoSuchAlgorithmException, KeyManagementException { + URL urls = new URL("https://" + url + ":" + port); + SSLContext sslContext = SSLContext.getInstance("TLSv1.2"); + sslContext.init(null, null, new SecureRandom()); + HttpsURLConnection connection = (HttpsURLConnection) urls.openConnection(); + connection.setSSLSocketFactory(sslContext.getSocketFactory()); + try (BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream()))) { + String input; + while ((input = br.readLine()) != null) { + logger.info(input); + } + } + logger.debug("Created TLSv1.2 connection on HttpsURLConnection"); + } + + public void enableTLSv12UsingSSLContext() throws NoSuchAlgorithmException, KeyManagementException, UnknownHostException, IOException { + SSLContext sslContext = SSLContext.getInstance("TLSv1.2"); + sslContext.init(null, null, new SecureRandom()); + SSLSocketFactory socketFactory = sslContext.getSocketFactory(); + SSLSocket socket = (SSLSocket) socketFactory.createSocket(url, port); + handleCommunication(socket, "SSLContext"); + } + +} diff --git a/core-java/src/main/java/com/baeldung/ssl/SecureConnection.java b/core-java-security/src/main/java/com/baeldung/ssl/SecureConnection.java similarity index 100% rename from core-java/src/main/java/com/baeldung/ssl/SecureConnection.java rename to core-java-security/src/main/java/com/baeldung/ssl/SecureConnection.java diff --git a/core-java/src/main/java/com/baeldung/ssl/example/SimpleClient.java b/core-java-security/src/main/java/com/baeldung/ssl/example/SimpleClient.java similarity index 100% rename from core-java/src/main/java/com/baeldung/ssl/example/SimpleClient.java rename to core-java-security/src/main/java/com/baeldung/ssl/example/SimpleClient.java diff --git a/core-java/src/main/java/com/baeldung/ssl/example/SimpleServer.java b/core-java-security/src/main/java/com/baeldung/ssl/example/SimpleServer.java similarity index 100% rename from core-java/src/main/java/com/baeldung/ssl/example/SimpleServer.java rename to core-java-security/src/main/java/com/baeldung/ssl/example/SimpleServer.java diff --git a/core-java-security/src/main/resources/logback.xml b/core-java-security/src/main/resources/logback.xml new file mode 100644 index 0000000000..56af2d397e --- /dev/null +++ b/core-java-security/src/main/resources/logback.xml @@ -0,0 +1,19 @@ + + + + + %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n + + + + + + + + + + + + + + \ No newline at end of file diff --git a/core-java/src/test/java/com/baeldung/cipher/EncryptorUnitTest.java b/core-java-security/src/test/java/com/baeldung/cipher/EncryptorUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/cipher/EncryptorUnitTest.java rename to core-java-security/src/test/java/com/baeldung/cipher/EncryptorUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/encrypt/FileEncrypterDecrypterIntegrationTest.java b/core-java-security/src/test/java/com/baeldung/encrypt/FileEncrypterDecrypterIntegrationTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/encrypt/FileEncrypterDecrypterIntegrationTest.java rename to core-java-security/src/test/java/com/baeldung/encrypt/FileEncrypterDecrypterIntegrationTest.java diff --git a/core-java/src/test/java/com/baeldung/hashing/SHA256HashingUnitTest.java b/core-java-security/src/test/java/com/baeldung/hashing/SHA256HashingUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/hashing/SHA256HashingUnitTest.java rename to core-java-security/src/test/java/com/baeldung/hashing/SHA256HashingUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/keystore/JavaKeyStoreUnitTest.java b/core-java-security/src/test/java/com/baeldung/keystore/JavaKeyStoreUnitTest.java similarity index 87% rename from core-java/src/test/java/com/baeldung/keystore/JavaKeyStoreUnitTest.java rename to core-java-security/src/test/java/com/baeldung/keystore/JavaKeyStoreUnitTest.java index cb2a9f1c49..7473c52a35 100644 --- a/core-java/src/test/java/com/baeldung/keystore/JavaKeyStoreUnitTest.java +++ b/core-java-security/src/test/java/com/baeldung/keystore/JavaKeyStoreUnitTest.java @@ -4,15 +4,24 @@ import org.junit.After; import org.junit.Assert; import org.junit.Before; import org.junit.Test; + import sun.security.x509.AlgorithmId; import sun.security.x509.CertificateAlgorithmId; import sun.security.x509.CertificateSerialNumber; import sun.security.x509.CertificateValidity; import sun.security.x509.CertificateVersion; import sun.security.x509.CertificateX509Key; +import sun.security.x509.SubjectAlternativeNameExtension; import sun.security.x509.X500Name; import sun.security.x509.X509CertImpl; import sun.security.x509.X509CertInfo; +import sun.security.x509.CertificateExtensions; +import sun.security.x509.GeneralNames; +import sun.security.x509.GeneralName; +import sun.security.x509.GeneralNameInterface; +import sun.security.x509.DNSName; +import sun.security.x509.IPAddressName; +import sun.security.util.DerOutputStream; import javax.crypto.KeyGenerator; import javax.crypto.SecretKey; @@ -188,6 +197,23 @@ public class JavaKeyStoreUnitTest { Date validTo = new Date(validFrom.getTime() + 50L * 365L * 24L * 60L * 60L * 1000L); //50 years CertificateValidity validity = new CertificateValidity(validFrom, validTo); certInfo.set(X509CertInfo.VALIDITY, validity); + + GeneralNameInterface dnsName = new DNSName("baeldung.com"); + DerOutputStream dnsNameOutputStream = new DerOutputStream(); + dnsName.encode(dnsNameOutputStream); + + GeneralNameInterface ipAddress = new IPAddressName("127.0.0.1"); + DerOutputStream ipAddressOutputStream = new DerOutputStream(); + ipAddress.encode(ipAddressOutputStream); + + GeneralNames generalNames = new GeneralNames(); + generalNames.add(new GeneralName(dnsName)); + generalNames.add(new GeneralName(ipAddress)); + + CertificateExtensions ext = new CertificateExtensions(); + ext.set(SubjectAlternativeNameExtension.NAME, new SubjectAlternativeNameExtension(generalNames)); + + certInfo.set(X509CertInfo.EXTENSIONS, ext); // Create certificate and sign it X509CertImpl cert = new X509CertImpl(certInfo); @@ -202,4 +228,5 @@ public class JavaKeyStoreUnitTest { return newCert; } + } \ No newline at end of file diff --git a/core-java/src/test/java/com/baeldung/passwordhashing/PBKDF2HasherUnitTest.java b/core-java-security/src/test/java/com/baeldung/passwordhashing/PBKDF2HasherUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/passwordhashing/PBKDF2HasherUnitTest.java rename to core-java-security/src/test/java/com/baeldung/passwordhashing/PBKDF2HasherUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/passwordhashing/SHA512HasherUnitTest.java b/core-java-security/src/test/java/com/baeldung/passwordhashing/SHA512HasherUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/passwordhashing/SHA512HasherUnitTest.java rename to core-java-security/src/test/java/com/baeldung/passwordhashing/SHA512HasherUnitTest.java diff --git a/core-java/src/test/java/org/baeldung/java/md5/JavaMD5UnitTest.java b/core-java-security/src/test/java/org/baeldung/java/md5/JavaMD5UnitTest.java similarity index 100% rename from core-java/src/test/java/org/baeldung/java/md5/JavaMD5UnitTest.java rename to core-java-security/src/test/java/org/baeldung/java/md5/JavaMD5UnitTest.java diff --git a/core-java/src/test/resources/test_md5.txt b/core-java-security/src/test/resources/test_md5.txt similarity index 100% rename from core-java/src/test/resources/test_md5.txt rename to core-java-security/src/test/resources/test_md5.txt diff --git a/core-java-sun/README.md b/core-java-sun/README.md index 9cf8b26f1b..e2dba76b41 100644 --- a/core-java-sun/README.md +++ b/core-java-sun/README.md @@ -4,3 +4,4 @@ ### Relevant Articles: - [Creating a Java Compiler Plugin](http://www.baeldung.com/java-build-compiler-plugin) +- [Guide to sun.misc.Unsafe](http://www.baeldung.com/java-unsafe) \ No newline at end of file diff --git a/core-java/src/test/java/com/baeldung/unsafe/CASCounter.java b/core-java-sun/src/test/java/com/baeldung/unsafe/CASCounter.java similarity index 100% rename from core-java/src/test/java/com/baeldung/unsafe/CASCounter.java rename to core-java-sun/src/test/java/com/baeldung/unsafe/CASCounter.java diff --git a/core-java/src/test/java/com/baeldung/unsafe/OffHeapArray.java b/core-java-sun/src/test/java/com/baeldung/unsafe/OffHeapArray.java similarity index 100% rename from core-java/src/test/java/com/baeldung/unsafe/OffHeapArray.java rename to core-java-sun/src/test/java/com/baeldung/unsafe/OffHeapArray.java diff --git a/core-java/src/test/java/com/baeldung/unsafe/UnsafeUnitTest.java b/core-java-sun/src/test/java/com/baeldung/unsafe/UnsafeUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/unsafe/UnsafeUnitTest.java rename to core-java-sun/src/test/java/com/baeldung/unsafe/UnsafeUnitTest.java diff --git a/core-java/README.md b/core-java/README.md index b0e8f81e1f..5aee69d9a9 100644 --- a/core-java/README.md +++ b/core-java/README.md @@ -5,20 +5,14 @@ ### Relevant Articles: - [Java Timer](http://www.baeldung.com/java-timer-and-timertask) - [How to Run a Shell Command in Java](http://www.baeldung.com/run-shell-command-in-java) -- [MD5 Hashing in Java](http://www.baeldung.com/java-md5) -- [A Guide to Java Sockets](http://www.baeldung.com/a-guide-to-java-sockets) - [How to Print Screen in Java](http://www.baeldung.com/print-screen-in-java) - [A Guide To Java Regular Expressions API](http://www.baeldung.com/regular-expressions-java) - [Getting Started with Java Properties](http://www.baeldung.com/java-properties) - [Pattern Search with Grep in Java](http://www.baeldung.com/grep-in-java) -- [URL Encoding and Decoding in Java](http://www.baeldung.com/java-url-encoding-decoding) - [How to Create an Executable JAR with Maven](http://www.baeldung.com/executable-jar-with-maven) -- [Basic Introduction to JMX](http://www.baeldung.com/java-management-extensions) - [Introduction to Nashorn](http://www.baeldung.com/java-nashorn) - [Java Money and the Currency API](http://www.baeldung.com/java-money-and-currency) - [JVM Log Forging](http://www.baeldung.com/jvm-log-forging) -- [Guide to sun.misc.Unsafe](http://www.baeldung.com/java-unsafe) -- [How to Perform a Simple HTTP Request in Java](http://www.baeldung.com/java-http-request) - [How to Add a Single Element to a Stream](http://www.baeldung.com/java-stream-append-prepend) - [How to Find all Getters Returning Null](http://www.baeldung.com/java-getters-returning-null) - [How to Get a Name of a Method Being Executed?](http://www.baeldung.com/java-name-of-executing-method) @@ -26,49 +20,29 @@ - [Guide to UUID in Java](http://www.baeldung.com/java-uuid) - [Guide to Escaping Characters in Java RegExps](http://www.baeldung.com/java-regexp-escape-char) - [Difference between URL and URI](http://www.baeldung.com/java-url-vs-uri) -- [OutOfMemoryError: GC Overhead Limit Exceeded](http://www.baeldung.com/java-gc-overhead-limit-exceeded) - [Creating a Java Compiler Plugin](http://www.baeldung.com/java-build-compiler-plugin) - [Quick Guide to Java Stack](http://www.baeldung.com/java-stack) -- [Guide to java.util.Formatter](http://www.baeldung.com/java-string-formatter) -- [Guide to the Cipher Class](http://www.baeldung.com/java-cipher-class) - [Compiling Java *.class Files with javac](http://www.baeldung.com/javac) -- [A Guide to Iterator in Java](http://www.baeldung.com/java-iterator) - [Introduction to Javadoc](http://www.baeldung.com/javadoc) - [Guide to the Externalizable Interface in Java](http://www.baeldung.com/java-externalizable) -- [A Practical Guide to DecimalFormat](http://www.baeldung.com/java-decimalformat) - [How to Detect the OS Using Java](http://www.baeldung.com/java-detect-os) - [ASCII Art in Java](http://www.baeldung.com/ascii-art-in-java) - [What is the serialVersionUID?](http://www.baeldung.com/java-serial-version-uid) - [A Guide to the ResourceBundle](http://www.baeldung.com/java-resourcebundle) - [Class Loaders in Java](http://www.baeldung.com/java-classloaders) -- [Introduction to SSL in Java](http://www.baeldung.com/java-ssl) -- [Java KeyStore API](http://www.baeldung.com/java-keystore) - [Double-Checked Locking with Singleton](http://www.baeldung.com/java-singleton-double-checked-locking) - [Guide to Java Clock Class](http://www.baeldung.com/java-clock) - [Importance of Main Manifest Attribute in a Self-Executing JAR](http://www.baeldung.com/java-jar-executable-manifest-main-class) -- [How to Get the File Extension of a File in Java](http://www.baeldung.com/java-file-extension) - [Java Global Exception Handler](http://www.baeldung.com/java-global-exception-handler) -- [Encrypting and Decrypting Files in Java](http://www.baeldung.com/java-cipher-input-output-stream) - [How to Get the Size of an Object in Java](http://www.baeldung.com/java-size-of-object) - [Guide to Java Instrumentation](http://www.baeldung.com/java-instrumentation) -- [Getting a File’s Mime Type in Java](http://www.baeldung.com/java-file-mime-type) - [Common Java Exceptions](http://www.baeldung.com/java-common-exceptions) - [Throw Exception in Optional in Java 8](https://www.baeldung.com/java-optional-throw-exception) -- [Add a Character to a String at a Given Position](https://www.baeldung.com/java-add-character-to-string) -- [Calculating the nth Root in Java](https://www.baeldung.com/java-nth-root) -- [Convert Double to String, Removing Decimal Places](https://www.baeldung.com/java-double-to-string) -- [Different Ways to Capture Java Heap Dumps](https://www.baeldung.com/java-heap-dump-capture) -- [ZoneOffset in Java](https://www.baeldung.com/java-zone-offset) -- [Hashing a Password in Java](https://www.baeldung.com/java-password-hashing) - [Merging java.util.Properties Objects](https://www.baeldung.com/java-merging-properties) -- [Understanding Memory Leaks in Java](https://www.baeldung.com/java-memory-leaks) -- [A Guide to SimpleDateFormat](https://www.baeldung.com/java-simple-date-format) -- [SSL Handshake Failures](https://www.baeldung.com/java-ssl-handshake-failures) -- [Changing the Order in a Sum Operation Can Produce Different Results?](https://www.baeldung.com/java-floating-point-sum-order) +- [Merging java.util.Properties Objects](https://www.baeldung.com/java-merging-properties) - [Java – Try with Resources](https://www.baeldung.com/java-try-with-resources) - [Abstract Classes in Java](https://www.baeldung.com/java-abstract-class) - [Guide to Character Encoding](https://www.baeldung.com/java-char-encoding) -- [Calculate the Area of a Circle in Java](https://www.baeldung.com/java-calculate-circle-area) -- [A Guide to the Java Math Class](https://www.baeldung.com/java-lang-math) - [Graphs in Java](https://www.baeldung.com/java-graphs) - [Console I/O in Java](http://www.baeldung.com/java-console-input-output) +- [Formatting with printf() in Java](https://www.baeldung.com/java-printstream-printf) diff --git a/core-java/pom.xml b/core-java/pom.xml index 442d378dab..d21c624997 100644 --- a/core-java/pom.xml +++ b/core-java/pom.xml @@ -13,6 +13,7 @@ ../parent-java + commons-io @@ -24,11 +25,6 @@ commons-lang3 ${commons-lang3.version} - - org.bouncycastle - bcprov-jdk15on - ${bouncycastle.version} - org.unix4j unix4j-command @@ -75,12 +71,6 @@ ${assertj-core.version} test - - - commons-codec - commons-codec - ${commons-codec.version} - org.javamoney moneta @@ -121,27 +111,11 @@ jmh-generator-annprocess ${jmh-generator-annprocess.version} - - org.springframework - spring-web - ${springframework.spring-web.version} - com.h2database h2 ${h2database.version} - - - org.apache.tika - tika-core - ${tika.version} - - - net.sf.jmimemagic - jmimemagic - ${jmime-magic.version} - org.javassist @@ -482,8 +456,6 @@ 3.5 - 1.55 - 1.10 2.5 3.6.1 1.0.3 @@ -500,7 +472,6 @@ 2.21.0 - 4.3.4.RELEASE 1.1 1.4.197 @@ -515,9 +486,6 @@ 2.0.3.RELEASE 1.6.0 61.1 - - 1.18 - 0.1.5 3.21.0-GA diff --git a/core-java/src/main/java/com/baeldung/curltojava/JavaCurlExamples.java b/core-java/src/main/java/com/baeldung/curltojava/JavaCurlExamples.java new file mode 100644 index 0000000000..166b0ecb13 --- /dev/null +++ b/core-java/src/main/java/com/baeldung/curltojava/JavaCurlExamples.java @@ -0,0 +1,29 @@ +package com.baeldung.curltojava; + +import java.io.BufferedInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.util.logging.Level; +import java.util.logging.Logger; + +public class JavaCurlExamples { + + public static String inputStreamToString(InputStream inputStream) { + final int bufferSize = 8 * 1024; + byte[] buffer = new byte[bufferSize]; + final StringBuilder builder = new StringBuilder(); + try (BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStream, bufferSize)) { + while (bufferedInputStream.read(buffer) != -1) { + builder.append(new String(buffer)); + } + } catch (IOException ex) { + Logger.getLogger(JavaCurlExamples.class.getName()).log(Level.SEVERE, null, ex); + } + return builder.toString(); + } + + public static void consumeInputStream(InputStream inputStream) { + inputStreamToString(inputStream); + } + +} diff --git a/core-java/src/main/java/com/baeldung/reflection/Employee.java b/core-java/src/main/java/com/baeldung/reflection/Employee.java new file mode 100644 index 0000000000..833cf26b14 --- /dev/null +++ b/core-java/src/main/java/com/baeldung/reflection/Employee.java @@ -0,0 +1,7 @@ +package com.baeldung.reflection; + +public class Employee extends Person { + + public int employeeId; + +} diff --git a/core-java/src/main/java/com/baeldung/reflection/MonthEmployee.java b/core-java/src/main/java/com/baeldung/reflection/MonthEmployee.java new file mode 100644 index 0000000000..697ecc1500 --- /dev/null +++ b/core-java/src/main/java/com/baeldung/reflection/MonthEmployee.java @@ -0,0 +1,7 @@ +package com.baeldung.reflection; + +public class MonthEmployee extends Employee { + + private double reward; + +} diff --git a/core-java/src/main/java/com/baeldung/reflection/Person.java b/core-java/src/main/java/com/baeldung/reflection/Person.java new file mode 100644 index 0000000000..23b312cdd9 --- /dev/null +++ b/core-java/src/main/java/com/baeldung/reflection/Person.java @@ -0,0 +1,8 @@ +package com.baeldung.reflection; + +public class Person { + + public String lastName; + private String firstName; + +} diff --git a/core-java/src/test/java/com/baeldung/curltojava/JavaCurlExamplesLiveTest.java b/core-java/src/test/java/com/baeldung/curltojava/JavaCurlExamplesLiveTest.java new file mode 100644 index 0000000000..2ec62cbbf9 --- /dev/null +++ b/core-java/src/test/java/com/baeldung/curltojava/JavaCurlExamplesLiveTest.java @@ -0,0 +1,50 @@ +package com.baeldung.curltojava; + +import java.io.File; +import java.io.IOException; +import java.io.InputStream; + +import org.junit.Assert; +import org.junit.Test; + +public class JavaCurlExamplesLiveTest { + + @Test + public void givenCommand_whenCalled_thenProduceZeroExitCode() throws IOException { + String command = "curl -X GET https://postman-echo.com/get?foo1=bar1&foo2=bar2"; + ProcessBuilder processBuilder = new ProcessBuilder(command.split(" ")); + processBuilder.directory(new File("/home/")); + Process process = processBuilder.start(); + InputStream inputStream = process.getInputStream(); + // Consume the inputStream so the process can exit + JavaCurlExamples.consumeInputStream(inputStream); + int exitCode = process.exitValue(); + + Assert.assertEquals(0, exitCode); + } + + @Test + public void givenNewCommands_whenCalled_thenCheckIfIsAlive() throws IOException { + String command = "curl -X GET https://postman-echo.com/get?foo1=bar1&foo2=bar2"; + ProcessBuilder processBuilder = new ProcessBuilder(command.split(" ")); + processBuilder.directory(new File("/home/")); + Process process = processBuilder.start(); + + // Re-use processBuilder + processBuilder.command(new String[]{"newCommand", "arguments"}); + + Assert.assertEquals(true, process.isAlive()); + } + + @Test + public void whenRequestPost_thenCheckIfReturnContent() throws IOException { + String command = "curl -X POST https://postman-echo.com/post --data foo1=bar1&foo2=bar2"; + Process process = Runtime.getRuntime().exec(command); + + // Get the POST result + String content = JavaCurlExamples.inputStreamToString(process.getInputStream()); + + Assert.assertTrue(null != content && !content.isEmpty()); + } + +} diff --git a/core-java/src/test/java/com/baeldung/leapyear/LeapYearUnitTest.java b/core-java/src/test/java/com/baeldung/leapyear/LeapYearUnitTest.java new file mode 100644 index 0000000000..e710eecc66 --- /dev/null +++ b/core-java/src/test/java/com/baeldung/leapyear/LeapYearUnitTest.java @@ -0,0 +1,41 @@ +package com.baeldung.leapyear; + +import java.time.LocalDate; +import java.time.Year; +import java.time.format.DateTimeFormatter; +import java.util.GregorianCalendar; + +import org.junit.Assert; +import org.junit.Test; + +public class LeapYearUnitTest { + + //Before Java8 + @Test + public void testLeapYearUsingGregorianCalendar () { + Assert.assertFalse(new GregorianCalendar().isLeapYear(2018)); + } + + //Java 8 and above + @Test + public void testLeapYearUsingJavaTimeYear () { + Assert.assertTrue(Year.isLeap(2012)); + } + + @Test + public void testBCYearUsingJavaTimeYear () { + Assert.assertTrue(Year.isLeap(-4)); + } + + @Test + public void testWrongLeapYearUsingJavaTimeYear () { + Assert.assertFalse(Year.isLeap(2018)); + } + + @Test + public void testLeapYearInDateUsingJavaTimeYear () { + LocalDate date = LocalDate.parse("2020-01-05", DateTimeFormatter.ISO_LOCAL_DATE); + Assert.assertTrue(Year.from(date).isLeap()); + } + +} diff --git a/core-java/src/test/java/com/baeldung/reflection/PersonAndEmployeeReflectionUnitTest.java b/core-java/src/test/java/com/baeldung/reflection/PersonAndEmployeeReflectionUnitTest.java new file mode 100644 index 0000000000..c051f165f1 --- /dev/null +++ b/core-java/src/test/java/com/baeldung/reflection/PersonAndEmployeeReflectionUnitTest.java @@ -0,0 +1,128 @@ +package com.baeldung.reflection; + +import org.junit.Test; + +import java.lang.reflect.Field; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collections; +import java.util.List; + +import static org.junit.Assert.*; + +public class PersonAndEmployeeReflectionUnitTest { + + // Fields names + private static final String LAST_NAME_FIELD = "lastName"; + private static final String FIRST_NAME_FIELD = "firstName"; + private static final String EMPLOYEE_ID_FIELD = "employeeId"; + private static final String MONTH_EMPLOYEE_REWARD_FIELD = "reward"; + + @Test + public void givenPersonClass_whenGetDeclaredFields_thenTwoFields() { + // When + Field[] allFields = Person.class.getDeclaredFields(); + + // Then + assertEquals(2, allFields.length); + + Field lastNameField = allFields[0]; + assertEquals(LAST_NAME_FIELD, lastNameField.getName()); + assertEquals(String.class, lastNameField.getType()); + + Field firstNameField = allFields[1]; + assertEquals(FIRST_NAME_FIELD, firstNameField.getName()); + assertEquals(String.class, firstNameField.getType()); + } + + @Test + public void givenEmployeeClass_whenSuperClassGetDeclaredFields_thenOneField() { + // When + Field[] allFields = Employee.class.getSuperclass().getDeclaredFields(); + + // Then + assertEquals(2, allFields.length); + + Field lastNameField = allFields[0]; + assertEquals(LAST_NAME_FIELD, lastNameField.getName()); + assertEquals(String.class, lastNameField.getType()); + + Field firstNameField = allFields[1]; + assertEquals(FIRST_NAME_FIELD, firstNameField.getName()); + assertEquals(String.class, firstNameField.getType()); + } + + @Test + public void givenEmployeeClass_whenGetDeclaredFields_thenOneField() { + // When + Field[] allFields = Employee.class.getDeclaredFields(); + + // Then + assertEquals(1, allFields.length); + + Field employeeIdField = allFields[0]; + assertEquals(EMPLOYEE_ID_FIELD, employeeIdField.getName()); + assertEquals(int.class, employeeIdField.getType()); + } + + @Test + public void givenEmployeeClass_whenGetDeclaredFieldsOnBothClasses_thenThreeFields() { + // When + Field[] personFields = Employee.class.getSuperclass().getDeclaredFields(); + Field[] employeeFields = Employee.class.getDeclaredFields(); + Field[] allFields = new Field[employeeFields.length + personFields.length]; + Arrays.setAll(allFields, i -> (i < personFields.length ? personFields[i] : employeeFields[i - personFields.length])); + + // Then + assertEquals(3, allFields.length); + + Field lastNameField = allFields[0]; + assertEquals(LAST_NAME_FIELD, lastNameField.getName()); + assertEquals(String.class, lastNameField.getType()); + + Field firstNameField = allFields[1]; + assertEquals(FIRST_NAME_FIELD, firstNameField.getName()); + assertEquals(String.class, firstNameField.getType()); + + Field employeeIdField = allFields[2]; + assertEquals(EMPLOYEE_ID_FIELD, employeeIdField.getName()); + assertEquals(int.class, employeeIdField.getType()); + } + + @Test + public void givenMonthEmployeeClass_whenGetAllFields_thenFourFields() { + // When + List allFields = getAllFields(MonthEmployee.class); + + // Then + assertEquals(4, allFields.size()); + + Field lastNameField = allFields.get(0); + assertEquals(LAST_NAME_FIELD, lastNameField.getName()); + assertEquals(String.class, lastNameField.getType()); + + Field firstNameField = allFields.get(1); + assertEquals(FIRST_NAME_FIELD, firstNameField.getName()); + assertEquals(String.class, firstNameField.getType()); + + Field employeeIdField = allFields.get(2); + assertEquals(EMPLOYEE_ID_FIELD, employeeIdField.getName()); + assertEquals(int.class, employeeIdField.getType()); + + Field monthEmployeeRewardField = allFields.get(3); + assertEquals(MONTH_EMPLOYEE_REWARD_FIELD, monthEmployeeRewardField.getName()); + assertEquals(double.class, monthEmployeeRewardField.getType()); + } + + public List getAllFields(Class clazz) { + if (clazz == null) { + return Collections.emptyList(); + } + + List result = new ArrayList<>(); + result.addAll(getAllFields(clazz.getSuperclass())); + result.addAll(Arrays.asList(clazz.getDeclaredFields())); + return result; + } + +} diff --git a/core-java/src/test/java/com/baeldung/string/StringReplaceAndRemoveUnitTest.java b/core-java/src/test/java/com/baeldung/string/StringReplaceAndRemoveUnitTest.java deleted file mode 100644 index d952d2383b..0000000000 --- a/core-java/src/test/java/com/baeldung/string/StringReplaceAndRemoveUnitTest.java +++ /dev/null @@ -1,83 +0,0 @@ -package com.baeldung.string; - - -import org.apache.commons.lang3.StringUtils; -import org.junit.Test; - -import static org.junit.Assert.assertFalse; -import static org.junit.Assert.assertTrue; - -public class StringReplaceAndRemoveUnitTest { - - - @Test - public void givenTestStrings_whenReplace_thenProcessedString() { - - String master = "Hello World Baeldung!"; - String target = "Baeldung"; - String replacement = "Java"; - String processed = master.replace(target, replacement); - assertTrue(processed.contains(replacement)); - assertFalse(processed.contains(target)); - - } - - @Test - public void givenTestStrings_whenReplaceAll_thenProcessedString() { - - String master2 = "Welcome to Baeldung, Hello World Baeldung"; - String regexTarget= "(Baeldung)$"; - String replacement = "Java"; - String processed2 = master2.replaceAll(regexTarget, replacement); - assertTrue(processed2.endsWith("Java")); - - } - - @Test - public void givenTestStrings_whenStringBuilderMethods_thenProcessedString() { - - String master = "Hello World Baeldung!"; - String target = "Baeldung"; - String replacement = "Java"; - - int startIndex = master.indexOf(target); - int stopIndex = startIndex + target.length(); - - StringBuilder builder = new StringBuilder(master); - - - builder.delete(startIndex, stopIndex); - assertFalse(builder.toString().contains(target)); - - - builder.replace(startIndex, stopIndex, replacement); - assertTrue(builder.toString().contains(replacement)); - - - } - - - @Test - public void givenTestStrings_whenStringUtilsMethods_thenProcessedStrings() { - - String master = "Hello World Baeldung!"; - String target = "Baeldung"; - String replacement = "Java"; - - String processed = StringUtils.replace(master, target, replacement); - assertTrue(processed.contains(replacement)); - - String master2 = "Hello World Baeldung!"; - String target2 = "baeldung"; - String processed2 = StringUtils.replaceIgnoreCase(master2, target2, replacement); - assertFalse(processed2.contains(target)); - - } - - - - - - - -} diff --git a/core-kotlin/README.md b/core-kotlin/README.md index 05f07e7e7e..225ad87e87 100644 --- a/core-kotlin/README.md +++ b/core-kotlin/README.md @@ -47,3 +47,7 @@ - [Dependency Injection for Kotlin with Injekt](https://www.baeldung.com/kotlin-dependency-injection-with-injekt) - [Implementing a Binary Tree in Kotlin](https://www.baeldung.com/kotlin-binary-tree) - [Generate a Random Alphanumeric String in Kotlin](https://www.baeldung.com/kotlin-random-alphanumeric-string) +- [Kotlin Contracts](https://www.baeldung.com/kotlin-contracts) +- [Operator Overloading in Kotlin](https://www.baeldung.com/kotlin-operator-overloading) +- [Inline Classes in Kotlin](https://www.baeldung.com/kotlin-inline-classes) +- [Creating Java static final Equivalents in Kotlin](https://www.baeldung.com/kotlin-java-static-final) diff --git a/core-kotlin/pom.xml b/core-kotlin/pom.xml index 8b871f28ee..ed79ebc01b 100644 --- a/core-kotlin/pom.xml +++ b/core-kotlin/pom.xml @@ -72,17 +72,6 @@ injekt-core 1.16.1 - - uy.kohesive.kovert - kovert-vertx - [1.5.0,1.6.0) - - - nl.komponents.kovenant - kovenant - - - diff --git a/core-kotlin/src/test/kotlin/com/baeldung/voidtypes/VoidTypesUnitTest.kt b/core-kotlin/src/test/kotlin/com/baeldung/voidtypes/VoidTypesUnitTest.kt new file mode 100644 index 0000000000..5c285c3135 --- /dev/null +++ b/core-kotlin/src/test/kotlin/com/baeldung/voidtypes/VoidTypesUnitTest.kt @@ -0,0 +1,51 @@ +package com.baeldung.voidtypes + +import org.junit.jupiter.api.Test +import kotlin.test.assertNull +import kotlin.test.assertTrue + +class VoidTypesUnitTest { + + fun returnTypeAsVoid(): Void? { + println("Function can have Void as return type") + return null + } + + fun unitReturnTypeForNonMeaningfulReturns(): Unit { + println("No meaningful return") + } + + fun unitReturnTypeIsImplicit() { + println("Unit Return type is implicit") + } + + fun alwaysThrowException(): Nothing { + throw IllegalArgumentException() + } + + fun invokeANothingOnlyFunction() { + alwaysThrowException() + + var name = "Tom" + } + + @Test + fun givenJavaVoidFunction_thenMappedToKotlinUnit() { + assertTrue(System.out.println() is Unit) + } + + @Test + fun givenVoidReturnType_thenReturnsNullOnly() { + assertNull(returnTypeAsVoid()) + } + + @Test + fun givenUnitReturnTypeDeclared_thenReturnsOfTypeUnit() { + assertTrue(unitReturnTypeForNonMeaningfulReturns() is Unit) + } + + @Test + fun givenUnitReturnTypeNotDeclared_thenReturnsOfTypeUnit() { + assertTrue(unitReturnTypeIsImplicit() is Unit) + } +} \ No newline at end of file diff --git a/ethereum/pom.xml b/ethereum/pom.xml index 85cb260670..c7f82eaf22 100644 --- a/ethereum/pom.xml +++ b/ethereum/pom.xml @@ -37,17 +37,17 @@ org.springframework spring-core - ${springframework.version} + ${spring.version} org.springframework spring-web - ${springframework.version} + ${spring.version} org.springframework spring-webmvc - ${springframework.version} + ${spring.version} @@ -123,12 +123,12 @@ org.springframework spring-context - ${springframework.version} + ${spring.version} org.springframework spring-test - ${springframework.version} + ${spring.version} test @@ -212,7 +212,6 @@ 8.5.4 1.5.0-RELEASE 3.3.1 - 5.0.5.RELEASE 1.5.6.RELEASE 2.21.0 2.9.7 diff --git a/ethereum/src/main/java/com/baeldung/web3j/controllers/EthereumRestController.java b/ethereum/src/main/java/com/baeldung/web3j/controllers/EthereumRestController.java index e05517bc79..3238a19ff9 100644 --- a/ethereum/src/main/java/com/baeldung/web3j/controllers/EthereumRestController.java +++ b/ethereum/src/main/java/com/baeldung/web3j/controllers/EthereumRestController.java @@ -32,8 +32,8 @@ public class EthereumRestController { return CompletableFuture.supplyAsync(() -> { try { - CompletableFuture result = web3Service.getBlockNumber(); - responseTransfer.setMessage(result.get().toString()); + EthBlockNumber result = web3Service.getBlockNumber(); + responseTransfer.setMessage(result.toString()); } catch (Exception e) { responseTransfer.setMessage(GENERIC_EXCEPTION); } @@ -51,8 +51,8 @@ public class EthereumRestController { return CompletableFuture.supplyAsync(() -> { try { - CompletableFuture result = web3Service.getEthAccounts(); - responseTransfer.setMessage(result.get().toString()); + EthAccounts result = web3Service.getEthAccounts(); + responseTransfer.setMessage(result.toString()); } catch (Exception e) { responseTransfer.setMessage(GENERIC_EXCEPTION); } @@ -70,8 +70,8 @@ public class EthereumRestController { Instant start = TimeHelper.start(); return CompletableFuture.supplyAsync(() -> { try { - CompletableFuture result = web3Service.getTransactionCount(); - responseTransfer.setMessage(result.get().toString()); + EthGetTransactionCount result = web3Service.getTransactionCount(); + responseTransfer.setMessage(result.toString()); } catch (Exception e) { responseTransfer.setMessage(GENERIC_EXCEPTION); } @@ -88,8 +88,8 @@ public class EthereumRestController { Instant start = TimeHelper.start(); return CompletableFuture.supplyAsync(() -> { try { - CompletableFuture result = web3Service.getEthBalance(); - responseTransfer.setMessage(result.get().toString()); + EthGetBalance result = web3Service.getEthBalance(); + responseTransfer.setMessage(result.toString()); } catch (Exception e) { responseTransfer.setMessage(GENERIC_EXCEPTION); } diff --git a/ethereum/src/main/java/com/baeldung/web3j/services/Web3Service.java b/ethereum/src/main/java/com/baeldung/web3j/services/Web3Service.java index c943ee4006..4b7d01e52b 100644 --- a/ethereum/src/main/java/com/baeldung/web3j/services/Web3Service.java +++ b/ethereum/src/main/java/com/baeldung/web3j/services/Web3Service.java @@ -47,47 +47,47 @@ public class Web3Service { return "0x" + binary; } - public CompletableFuture getBlockNumber() { + public EthBlockNumber getBlockNumber() { EthBlockNumber result = new EthBlockNumber(); try { result = this.web3j.ethBlockNumber().sendAsync().get(); } catch (Exception ex) { System.out.println(GENERIC_EXCEPTION); } - return CompletableFuture.completedFuture(result); + return result; } - public CompletableFuture getEthAccounts() { + public EthAccounts getEthAccounts() { EthAccounts result = new EthAccounts(); try { result = this.web3j.ethAccounts().sendAsync().get(); } catch (Exception ex) { System.out.println(GENERIC_EXCEPTION); } - return CompletableFuture.completedFuture(result); + return result; } - public CompletableFuture getTransactionCount() { + public EthGetTransactionCount getTransactionCount() { EthGetTransactionCount result = new EthGetTransactionCount(); try { result = this.web3j.ethGetTransactionCount(DEFAULT_ADDRESS, DefaultBlockParameter.valueOf("latest")).sendAsync().get(); } catch (Exception ex) { System.out.println(GENERIC_EXCEPTION); } - return CompletableFuture.completedFuture(result); + return result; } - public CompletableFuture getEthBalance() { + public EthGetBalance getEthBalance() { EthGetBalance result = new EthGetBalance(); try { result = this.web3j.ethGetBalance(DEFAULT_ADDRESS, DefaultBlockParameter.valueOf("latest")).sendAsync().get(); } catch (Exception ex) { System.out.println(GENERIC_EXCEPTION); } - return CompletableFuture.completedFuture(result); + return result; } - public CompletableFuture fromScratchContractExample() { + public String fromScratchContractExample() { String contractAddress = ""; @@ -108,13 +108,13 @@ public class Web3Service { } catch (Exception ex) { System.out.println(PLEASE_SUPPLY_REAL_DATA); - return CompletableFuture.completedFuture(PLEASE_SUPPLY_REAL_DATA); + return PLEASE_SUPPLY_REAL_DATA; } - return CompletableFuture.completedFuture(contractAddress); + return contractAddress; } @Async - public CompletableFuture sendTx() { + public String sendTx() { String transactionHash = ""; try { @@ -135,10 +135,10 @@ public class Web3Service { } catch (Exception ex) { System.out.println(PLEASE_SUPPLY_REAL_DATA); - return CompletableFuture.completedFuture(PLEASE_SUPPLY_REAL_DATA); + return PLEASE_SUPPLY_REAL_DATA; } - return CompletableFuture.completedFuture(transactionHash); + return transactionHash; } } diff --git a/ethereum/src/test/java/com/baeldung/web3j/services/EthereumContractUnitTest.java b/ethereum/src/test/java/com/baeldung/web3j/services/EthereumContractUnitTest.java index 382c96e985..ff02659bd5 100644 --- a/ethereum/src/test/java/com/baeldung/web3j/services/EthereumContractUnitTest.java +++ b/ethereum/src/test/java/com/baeldung/web3j/services/EthereumContractUnitTest.java @@ -4,8 +4,6 @@ import org.junit.After; import org.junit.Before; import org.junit.Test; -import java.util.concurrent.CompletableFuture; - public class EthereumContractUnitTest { private Web3Service web3Service; @@ -17,14 +15,14 @@ public class EthereumContractUnitTest { @Test public void testContract() { - CompletableFuture result = web3Service.fromScratchContractExample(); - assert (result instanceof CompletableFuture); + String result = web3Service.fromScratchContractExample(); + assert (result instanceof String); } @Test public void sendTx() { - CompletableFuture result = web3Service.sendTx(); - assert (result instanceof CompletableFuture); + String result = web3Service.sendTx(); + assert (result instanceof String); } @After diff --git a/gson/README.md b/gson/README.md index e1eb155f43..4edd7158d4 100644 --- a/gson/README.md +++ b/gson/README.md @@ -9,3 +9,4 @@ - [Exclude Fields from Serialization in Gson](http://www.baeldung.com/gson-exclude-fields-serialization) - [Save Data to a JSON File with Gson](https://www.baeldung.com/gson-save-file) - [Convert JSON to a Map Using Gson](https://www.baeldung.com/gson-json-to-map) +- [Working with Primitive Values in Gson](https://www.baeldung.com/java-gson-primitives) diff --git a/guava/README.md b/guava/README.md index 0346d34903..60754dbe57 100644 --- a/guava/README.md +++ b/guava/README.md @@ -18,4 +18,3 @@ - [Hamcrest Text Matchers](http://www.baeldung.com/hamcrest-text-matchers) - [Quick Guide to the Guava RateLimiter](http://www.baeldung.com/guava-rate-limiter) - [Hamcrest File Matchers](https://www.baeldung.com/hamcrest-file-matchers) -- [SHA-256 Hashing in Java](https://www.baeldung.com/sha-256-hashing-java) diff --git a/jackson/src/main/java/com/baeldung/jackson/deserialization/immutable/Employee.java b/jackson/src/main/java/com/baeldung/jackson/deserialization/immutable/Employee.java new file mode 100644 index 0000000000..44b10ee39b --- /dev/null +++ b/jackson/src/main/java/com/baeldung/jackson/deserialization/immutable/Employee.java @@ -0,0 +1,24 @@ +package com.baeldung.jackson.deserialization.immutable; + +import com.fasterxml.jackson.annotation.JsonCreator; +import com.fasterxml.jackson.annotation.JsonProperty; + +public class Employee { + + private final long id; + private final String name; + + @JsonCreator(mode = JsonCreator.Mode.PROPERTIES) + public Employee(@JsonProperty("id") long id, @JsonProperty("name") String name) { + this.id = id; + this.name = name; + } + + public long getId() { + return id; + } + + public String getName() { + return name; + } +} diff --git a/jackson/src/main/java/com/baeldung/jackson/deserialization/immutable/Person.java b/jackson/src/main/java/com/baeldung/jackson/deserialization/immutable/Person.java new file mode 100644 index 0000000000..d9041720b6 --- /dev/null +++ b/jackson/src/main/java/com/baeldung/jackson/deserialization/immutable/Person.java @@ -0,0 +1,44 @@ +package com.baeldung.jackson.deserialization.immutable; + +import com.fasterxml.jackson.databind.annotation.JsonDeserialize; +import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder; + +@JsonDeserialize(builder = Person.Builder.class) +public class Person { + + private final String name; + private final Integer age; + + private Person(String name, Integer age) { + this.name = name; + this.age = age; + } + + public String getName() { + return name; + } + + public Integer getAge() { + return age; + } + + @JsonPOJOBuilder + static class Builder { + String name; + Integer age; + + Builder withName(String name) { + this.name = name; + return this; + } + + Builder withAge(Integer age) { + this.age = age; + return this; + } + + Person build() { + return new Person(name, age); + } + } +} diff --git a/jackson/src/test/java/com/baeldung/jackson/deserialization/immutable/ImmutableObjectDeserializationUnitTest.java b/jackson/src/test/java/com/baeldung/jackson/deserialization/immutable/ImmutableObjectDeserializationUnitTest.java new file mode 100644 index 0000000000..1252179e3a --- /dev/null +++ b/jackson/src/test/java/com/baeldung/jackson/deserialization/immutable/ImmutableObjectDeserializationUnitTest.java @@ -0,0 +1,38 @@ +package com.baeldung.jackson.deserialization.immutable; + +import com.fasterxml.jackson.databind.ObjectMapper; +import org.junit.Test; + +import java.io.IOException; + +import static org.junit.Assert.*; + +public class ImmutableObjectDeserializationUnitTest { + + @Test + public void whenPublicConstructorIsUsed_thenObjectIsDeserialized() throws IOException { + final String json = "{\"name\":\"Frank\",\"id\":5000}"; + Employee employee = new ObjectMapper().readValue(json, Employee.class); + + assertEquals("Frank", employee.getName()); + assertEquals(5000, employee.getId()); + } + + @Test + public void whenBuilderIsUsedAndFieldIsNull_thenObjectIsDeserialized() throws IOException { + final String json = "{\"name\":\"Frank\"}"; + Person person = new ObjectMapper().readValue(json, Person.class); + + assertEquals("Frank", person.getName()); + assertNull(person.getAge()); + } + + @Test + public void whenBuilderIsUsedAndAllFieldsPresent_thenObjectIsDeserialized() throws IOException { + final String json = "{\"name\":\"Frank\",\"age\":50}"; + Person person = new ObjectMapper().readValue(json, Person.class); + + assertEquals("Frank", person.getName()); + assertEquals(50, (int) person.getAge()); + } +} diff --git a/java-collections-conversions/README.md b/java-collections-conversions/README.md index 0f89e07d63..31fead3c42 100644 --- a/java-collections-conversions/README.md +++ b/java-collections-conversions/README.md @@ -10,3 +10,4 @@ - [Converting a List to String in Java](http://www.baeldung.com/java-list-to-string) - [How to Convert List to Map in Java](http://www.baeldung.com/java-list-to-map) - [Array to String Conversions](https://www.baeldung.com/java-array-to-string) +- [Converting a Collection to ArrayList in Java](https://www.baeldung.com/java-convert-collection-arraylist) \ No newline at end of file diff --git a/java-collections-maps/README.md b/java-collections-maps/README.md index a6037a3c57..b4ab270448 100644 --- a/java-collections-maps/README.md +++ b/java-collections-maps/README.md @@ -17,3 +17,5 @@ - [Finding the Highest Value in a Java Map](https://www.baeldung.com/java-find-map-max) - [Merging Two Maps with Java 8](https://www.baeldung.com/java-merge-maps) - [How to Check If a Key Exists in a Map](https://www.baeldung.com/java-map-key-exists) +- [Comparing Two HashMaps in Java](https://www.baeldung.com/java-compare-hashmaps) +- [Immutable Map Implementations in Java](https://www.baeldung.com/java-immutable-maps) diff --git a/java-collections-maps/src/main/java/com/baeldung/convert/MapToString.java b/java-collections-maps/src/main/java/com/baeldung/convert/MapToString.java new file mode 100644 index 0000000000..aca0d05ef1 --- /dev/null +++ b/java-collections-maps/src/main/java/com/baeldung/convert/MapToString.java @@ -0,0 +1,34 @@ +package com.baeldung.convert; + +import com.google.common.base.Joiner; +import org.apache.commons.lang3.StringUtils; + +import java.util.Map; +import java.util.stream.Collectors; + +public class MapToString { + + public static String convertWithIteration(Map map) { + StringBuilder mapAsString = new StringBuilder("{"); + for (Integer key : map.keySet()) { + mapAsString.append(key + "=" + map.get(key) + ", "); + } + mapAsString.delete(mapAsString.length()-2, mapAsString.length()).append("}"); + return mapAsString.toString(); + } + + public static String convertWithStream(Map map) { + String mapAsString = map.keySet().stream() + .map(key -> key + "=" + map.get(key)) + .collect(Collectors.joining(", ", "{", "}")); + return mapAsString; + } + + public static String convertWithGuava(Map map) { + return Joiner.on(",").withKeyValueSeparator("=").join(map); + } + + public static String convertWithApache(Map map) { + return StringUtils.join(map); + } +} diff --git a/java-collections-maps/src/main/java/com/baeldung/convert/StringToMap.java b/java-collections-maps/src/main/java/com/baeldung/convert/StringToMap.java new file mode 100644 index 0000000000..caabca4a09 --- /dev/null +++ b/java-collections-maps/src/main/java/com/baeldung/convert/StringToMap.java @@ -0,0 +1,21 @@ +package com.baeldung.convert; + +import com.google.common.base.Splitter; + +import java.util.Arrays; +import java.util.Map; +import java.util.stream.Collectors; + +public class StringToMap { + + public static Map convertWithStream(String mapAsString) { + Map map = Arrays.stream(mapAsString.split(",")) + .map(entry -> entry.split("=")) + .collect(Collectors.toMap(entry -> entry[0], entry -> entry[1])); + return map; + } + + public static Map convertWithGuava(String mapAsString) { + return Splitter.on(',').withKeyValueSeparator('=').split(mapAsString); + } +} diff --git a/java-collections-maps/src/test/java/com/baeldung/convert/MapToStringUnitTest.java b/java-collections-maps/src/test/java/com/baeldung/convert/MapToStringUnitTest.java new file mode 100644 index 0000000000..d9923e74a0 --- /dev/null +++ b/java-collections-maps/src/test/java/com/baeldung/convert/MapToStringUnitTest.java @@ -0,0 +1,48 @@ +package com.baeldung.convert; + +import org.apache.commons.collections4.MapUtils; +import org.junit.Assert; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; + +import java.util.HashMap; +import java.util.Map; + +public class MapToStringUnitTest { + + private Map wordsByKey = new HashMap<>(); + + @BeforeEach + public void setup() { + wordsByKey.clear(); + wordsByKey.put(1, "one"); + wordsByKey.put(2, "two"); + wordsByKey.put(3, "three"); + wordsByKey.put(4, "four"); + } + + @Test + public void givenMap_WhenUsingIteration_ThenResultingMapIsCorrect() { + String mapAsString = MapToString.convertWithIteration(wordsByKey); + Assert.assertEquals("{1=one, 2=two, 3=three, 4=four}", mapAsString); + } + + @Test + public void givenMap_WhenUsingStream_ThenResultingMapIsCorrect() { + String mapAsString = MapToString.convertWithStream(wordsByKey); + Assert.assertEquals("{1=one, 2=two, 3=three, 4=four}", mapAsString); + } + + @Test + public void givenMap_WhenUsingGuava_ThenResultingMapIsCorrect() { + String mapAsString = MapToString.convertWithGuava(wordsByKey); + Assert.assertEquals("1=one,2=two,3=three,4=four", mapAsString); + } + + @Test + public void givenMap_WhenUsingApache_ThenResultingMapIsCorrect() { + String mapAsString = MapToString.convertWithApache(wordsByKey); + Assert.assertEquals("{1=one, 2=two, 3=three, 4=four}", mapAsString); + MapUtils.debugPrint(System.out, "Map as String", wordsByKey); + } +} \ No newline at end of file diff --git a/java-collections-maps/src/test/java/com/baeldung/convert/StringToMapUnitTest.java b/java-collections-maps/src/test/java/com/baeldung/convert/StringToMapUnitTest.java new file mode 100644 index 0000000000..8fb906efd0 --- /dev/null +++ b/java-collections-maps/src/test/java/com/baeldung/convert/StringToMapUnitTest.java @@ -0,0 +1,23 @@ +package com.baeldung.convert; + +import org.junit.Assert; +import org.junit.jupiter.api.Test; + +import java.util.Map; + +public class StringToMapUnitTest { + + @Test + public void givenString_WhenUsingStream_ThenResultingStringIsCorrect() { + Map wordsByKey = StringToMap.convertWithStream("1=one,2=two,3=three,4=four"); + Assert.assertEquals(4, wordsByKey.size()); + Assert.assertEquals("one", wordsByKey.get("1")); + } + + @Test + void givenString_WhenUsingGuava_ThenResultingStringIsCorrect() { + Map wordsByKey = StringToMap.convertWithGuava("1=one,2=two,3=three,4=four"); + Assert.assertEquals(4, wordsByKey.size()); + Assert.assertEquals("one", wordsByKey.get("1")); + } +} \ No newline at end of file diff --git a/java-dates/README.md b/java-dates/README.md index 21e54082f4..ac3166d938 100644 --- a/java-dates/README.md +++ b/java-dates/README.md @@ -26,3 +26,5 @@ - [Format ZonedDateTime to String](https://www.baeldung.com/java-format-zoned-datetime-string) - [Convert Between java.time.Instant and java.sql.Timestamp](https://www.baeldung.com/java-time-instant-to-java-sql-timestamp) - [Convert between String and Timestamp](https://www.baeldung.com/java-string-to-timestamp) +- [A Guide to SimpleDateFormat](https://www.baeldung.com/java-simple-date-format) +- [ZoneOffset in Java](https://www.baeldung.com/java-zone-offset) \ No newline at end of file diff --git a/core-java/src/main/java/com/baeldung/zoneddatetime/OffsetDateTimeExample.java b/java-dates/src/main/java/com/baeldung/zoneddatetime/OffsetDateTimeExample.java similarity index 100% rename from core-java/src/main/java/com/baeldung/zoneddatetime/OffsetDateTimeExample.java rename to java-dates/src/main/java/com/baeldung/zoneddatetime/OffsetDateTimeExample.java diff --git a/core-java/src/main/java/com/baeldung/zoneddatetime/OffsetTimeExample.java b/java-dates/src/main/java/com/baeldung/zoneddatetime/OffsetTimeExample.java similarity index 100% rename from core-java/src/main/java/com/baeldung/zoneddatetime/OffsetTimeExample.java rename to java-dates/src/main/java/com/baeldung/zoneddatetime/OffsetTimeExample.java diff --git a/core-java/src/main/java/com/baeldung/zoneddatetime/ZoneDateTimeExample.java b/java-dates/src/main/java/com/baeldung/zoneddatetime/ZoneDateTimeExample.java similarity index 100% rename from core-java/src/main/java/com/baeldung/zoneddatetime/ZoneDateTimeExample.java rename to java-dates/src/main/java/com/baeldung/zoneddatetime/ZoneDateTimeExample.java diff --git a/java-dates/src/test/java/com/baeldung/date/DateDiffUnitTest.java b/java-dates/src/test/java/com/baeldung/date/DateDiffUnitTest.java index 1234a700de..a35699e469 100644 --- a/java-dates/src/test/java/com/baeldung/date/DateDiffUnitTest.java +++ b/java-dates/src/test/java/com/baeldung/date/DateDiffUnitTest.java @@ -8,6 +8,8 @@ import java.time.Duration; import java.time.LocalDate; import java.time.LocalDateTime; import java.time.Period; +import java.time.ZoneId; +import java.time.ZonedDateTime; import java.time.temporal.ChronoUnit; import java.util.Date; import java.util.Locale; diff --git a/core-java/src/test/java/com/baeldung/simpledateformat/SimpleDateFormatUnitTest.java b/java-dates/src/test/java/com/baeldung/simpledateformat/SimpleDateFormatUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/simpledateformat/SimpleDateFormatUnitTest.java rename to java-dates/src/test/java/com/baeldung/simpledateformat/SimpleDateFormatUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/zoneddatetime/OffsetDateTimeExampleUnitTest.java b/java-dates/src/test/java/com/baeldung/zoneddatetime/OffsetDateTimeExampleUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/zoneddatetime/OffsetDateTimeExampleUnitTest.java rename to java-dates/src/test/java/com/baeldung/zoneddatetime/OffsetDateTimeExampleUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/zoneddatetime/OffsetTimeExampleUnitTest.java b/java-dates/src/test/java/com/baeldung/zoneddatetime/OffsetTimeExampleUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/zoneddatetime/OffsetTimeExampleUnitTest.java rename to java-dates/src/test/java/com/baeldung/zoneddatetime/OffsetTimeExampleUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/zoneddatetime/ZoneDateTimeExampleUnitTest.java b/java-dates/src/test/java/com/baeldung/zoneddatetime/ZoneDateTimeExampleUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/zoneddatetime/ZoneDateTimeExampleUnitTest.java rename to java-dates/src/test/java/com/baeldung/zoneddatetime/ZoneDateTimeExampleUnitTest.java diff --git a/java-numbers/README.md b/java-numbers/README.md index 1138d9a74c..2b1131f325 100644 --- a/java-numbers/README.md +++ b/java-numbers/README.md @@ -13,3 +13,9 @@ - [Find All Pairs of Numbers in an Array That Add Up to a Given Sum](http://www.baeldung.com/java-algorithm-number-pairs-sum) - [Java – Random Long, Float, Integer and Double](http://www.baeldung.com/java-generate-random-long-float-integer-double) - [Using Math.sin with Degrees](https://www.baeldung.com/java-math-sin-degrees) +- [A Practical Guide to DecimalFormat](http://www.baeldung.com/java-decimalformat) +- [Calculating the nth Root in Java](https://www.baeldung.com/java-nth-root) +- [Convert Double to String, Removing Decimal Places](https://www.baeldung.com/java-double-to-string) +- [Changing the Order in a Sum Operation Can Produce Different Results?](https://www.baeldung.com/java-floating-point-sum-order) +- [Calculate the Area of a Circle in Java](https://www.baeldung.com/java-calculate-circle-area) +- [A Guide to the Java Math Class](https://www.baeldung.com/java-lang-math) \ No newline at end of file diff --git a/java-numbers/pom.xml b/java-numbers/pom.xml index bb63c8cfe1..0f5140ea5e 100644 --- a/java-numbers/pom.xml +++ b/java-numbers/pom.xml @@ -72,16 +72,6 @@ - - org.apache.maven.plugins - maven-surefire-plugin - - - **/*IntegrationTest.java - - true - - org.apache.maven.plugins diff --git a/core-java/src/main/java/com/baeldung/area/circle/Circle.java b/java-numbers/src/main/java/com/baeldung/area/circle/Circle.java similarity index 100% rename from core-java/src/main/java/com/baeldung/area/circle/Circle.java rename to java-numbers/src/main/java/com/baeldung/area/circle/Circle.java diff --git a/core-java/src/main/java/com/baeldung/area/circle/CircleArea.java b/java-numbers/src/main/java/com/baeldung/area/circle/CircleArea.java similarity index 100% rename from core-java/src/main/java/com/baeldung/area/circle/CircleArea.java rename to java-numbers/src/main/java/com/baeldung/area/circle/CircleArea.java diff --git a/core-java/src/main/java/com/baeldung/nth/root/calculator/NthRootCalculator.java b/java-numbers/src/main/java/com/baeldung/nth/root/calculator/NthRootCalculator.java similarity index 100% rename from core-java/src/main/java/com/baeldung/nth/root/calculator/NthRootCalculator.java rename to java-numbers/src/main/java/com/baeldung/nth/root/calculator/NthRootCalculator.java diff --git a/core-java/src/main/java/com/baeldung/nth/root/main/Main.java b/java-numbers/src/main/java/com/baeldung/nth/root/main/Main.java similarity index 100% rename from core-java/src/main/java/com/baeldung/nth/root/main/Main.java rename to java-numbers/src/main/java/com/baeldung/nth/root/main/Main.java diff --git a/core-java/src/main/java/com/baeldung/string/DoubleToString.java b/java-numbers/src/main/java/com/baeldung/string/DoubleToString.java similarity index 99% rename from core-java/src/main/java/com/baeldung/string/DoubleToString.java rename to java-numbers/src/main/java/com/baeldung/string/DoubleToString.java index d26d26f3df..dd55ba51ad 100644 --- a/core-java/src/main/java/com/baeldung/string/DoubleToString.java +++ b/java-numbers/src/main/java/com/baeldung/string/DoubleToString.java @@ -38,4 +38,5 @@ public class DoubleToString { return df.format(d); } + } diff --git a/core-java/src/test/java/com/baeldung/decimalformat/DecimalFormatExamplesUnitTest.java b/java-numbers/src/test/java/com/baeldung/decimalformat/DecimalFormatExamplesUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/decimalformat/DecimalFormatExamplesUnitTest.java rename to java-numbers/src/test/java/com/baeldung/decimalformat/DecimalFormatExamplesUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/java/math/MathUnitTest.java b/java-numbers/src/test/java/com/baeldung/java/math/MathUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/java/math/MathUnitTest.java rename to java-numbers/src/test/java/com/baeldung/java/math/MathUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/nth/root/calculator/NthRootCalculatorUnitTest.java b/java-numbers/src/test/java/com/baeldung/nth/root/calculator/NthRootCalculatorUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/nth/root/calculator/NthRootCalculatorUnitTest.java rename to java-numbers/src/test/java/com/baeldung/nth/root/calculator/NthRootCalculatorUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/nth/root/main/MainUnitTest.java b/java-numbers/src/test/java/com/baeldung/nth/root/main/MainUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/nth/root/main/MainUnitTest.java rename to java-numbers/src/test/java/com/baeldung/nth/root/main/MainUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/removingdecimals/RemovingDecimalsManualTest.java b/java-numbers/src/test/java/com/baeldung/removingdecimals/RemovingDecimalsManualTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/removingdecimals/RemovingDecimalsManualTest.java rename to java-numbers/src/test/java/com/baeldung/removingdecimals/RemovingDecimalsManualTest.java diff --git a/core-java/src/test/java/com/baeldung/removingdecimals/RemovingDecimalsUnitTest.java b/java-numbers/src/test/java/com/baeldung/removingdecimals/RemovingDecimalsUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/removingdecimals/RemovingDecimalsUnitTest.java rename to java-numbers/src/test/java/com/baeldung/removingdecimals/RemovingDecimalsUnitTest.java diff --git a/core-java/src/test/java/com/baeldung/string/DoubleToStringUnitTest.java b/java-numbers/src/test/java/com/baeldung/string/DoubleToStringUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/string/DoubleToStringUnitTest.java rename to java-numbers/src/test/java/com/baeldung/string/DoubleToStringUnitTest.java diff --git a/java-streams/README.md b/java-streams/README.md index 2550f08650..33ca2619a8 100644 --- a/java-streams/README.md +++ b/java-streams/README.md @@ -14,3 +14,4 @@ - [Primitive Type Streams in Java 8](http://www.baeldung.com/java-8-primitive-streams) - [Stream Ordering in Java](https://www.baeldung.com/java-stream-ordering) - [Introduction to Protonpack](https://www.baeldung.com/java-protonpack) +- [Java Stream Filter with Lambda Expression](https://www.baeldung.com/java-stream-filter-lambda) diff --git a/java-streams/src/main/java/com/baeldung/stream/sum/. .. b/java-streams/src/main/java/com/baeldung/stream/sum/. .. new file mode 100644 index 0000000000..8b13789179 --- /dev/null +++ b/java-streams/src/main/java/com/baeldung/stream/sum/. .. @@ -0,0 +1 @@ + diff --git a/java-streams/src/main/java/com/baeldung/stream/sum/ArithmeticUtils.java b/java-streams/src/main/java/com/baeldung/stream/sum/ArithmeticUtils.java new file mode 100644 index 0000000000..3170b1fb31 --- /dev/null +++ b/java-streams/src/main/java/com/baeldung/stream/sum/ArithmeticUtils.java @@ -0,0 +1,8 @@ +package com.baeldung.stream.sum; + +public class ArithmeticUtils { + + public static int add(int a, int b) { + return a + b; + } +} diff --git a/java-streams/src/main/java/com/baeldung/stream/sum/Item.java b/java-streams/src/main/java/com/baeldung/stream/sum/Item.java new file mode 100644 index 0000000000..2f162d6eda --- /dev/null +++ b/java-streams/src/main/java/com/baeldung/stream/sum/Item.java @@ -0,0 +1,31 @@ +package com.baeldung.stream.sum; + +public class Item { + + private int id; + private Integer price; + + public Item(int id, Integer price) { + super(); + this.id = id; + this.price = price; + } + + // Standard getters and setters + public long getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + public Integer getPrice() { + return price; + } + + public void setPrice(Integer price) { + this.price = price; + } + +} diff --git a/java-streams/src/main/java/com/baeldung/stream/sum/StreamSumCalculator.java b/java-streams/src/main/java/com/baeldung/stream/sum/StreamSumCalculator.java new file mode 100644 index 0000000000..2f63cf8629 --- /dev/null +++ b/java-streams/src/main/java/com/baeldung/stream/sum/StreamSumCalculator.java @@ -0,0 +1,59 @@ +package com.baeldung.stream.sum; + +import java.util.Arrays; +import java.util.List; +import java.util.Map; +import java.util.stream.Collectors; + +public class StreamSumCalculator { + + public static Integer getSumUsingCustomizedAccumulator(List integers) { + return integers.stream() + .reduce(0, ArithmeticUtils::add); + + } + + public static Integer getSumUsingJavaAccumulator(List integers) { + return integers.stream() + .reduce(0, Integer::sum); + + } + + public static Integer getSumUsingReduce(List integers) { + return integers.stream() + .reduce(0, (a, b) -> a + b); + + } + + public static Integer getSumUsingCollect(List integers) { + + return integers.stream() + .collect(Collectors.summingInt(Integer::intValue)); + + } + + public static Integer getSumUsingSum(List integers) { + + return integers.stream() + .mapToInt(Integer::intValue) + .sum(); + } + + public static Integer getSumOfMapValues(Map map) { + + return map.values() + .stream() + .mapToInt(Integer::valueOf) + .sum(); + } + + public static Integer getSumIntegersFromString(String str) { + + Integer sum = Arrays.stream(str.split(" ")) + .filter((s) -> s.matches("\\d+")) + .mapToInt(Integer::valueOf) + .sum(); + + return sum; + } +} diff --git a/java-streams/src/main/java/com/baeldung/stream/sum/StreamSumCalculatorWithObject.java b/java-streams/src/main/java/com/baeldung/stream/sum/StreamSumCalculatorWithObject.java new file mode 100644 index 0000000000..b83616928e --- /dev/null +++ b/java-streams/src/main/java/com/baeldung/stream/sum/StreamSumCalculatorWithObject.java @@ -0,0 +1,38 @@ +package com.baeldung.stream.sum; + +import java.util.List; +import java.util.stream.Collectors; + +public class StreamSumCalculatorWithObject { + + public static Integer getSumUsingCustomizedAccumulator(List items) { + return items.stream() + .map(x -> x.getPrice()) + .reduce(0, ArithmeticUtils::add); + } + + public static Integer getSumUsingJavaAccumulator(List items) { + return items.stream() + .map(x -> x.getPrice()) + .reduce(0, Integer::sum); + } + + public static Integer getSumUsingReduce(List items) { + return items.stream() + .map(item -> item.getPrice()) + .reduce(0, (a, b) -> a + b); + } + + public static Integer getSumUsingCollect(List items) { + return items.stream() + .map(x -> x.getPrice()) + .collect(Collectors.summingInt(Integer::intValue)); + } + + public static Integer getSumUsingSum(List items) { + return items.stream() + .mapToInt(x -> x.getPrice()) + .sum(); + } + +} diff --git a/java-streams/src/test/java/com/baeldung/stream/PeekUnitTest.java b/java-streams/src/test/java/com/baeldung/stream/PeekUnitTest.java new file mode 100644 index 0000000000..a3a2816e9c --- /dev/null +++ b/java-streams/src/test/java/com/baeldung/stream/PeekUnitTest.java @@ -0,0 +1,118 @@ +package com.baeldung.stream; + +import static org.assertj.core.api.Assertions.assertThat; + +import java.io.StringWriter; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; + +public class PeekUnitTest { + + private StringWriter out; + + @BeforeEach + void setup() { + out = new StringWriter(); + } + + @Test + void givenStringStream_whenCallingPeekOnly_thenNoElementProcessed() { + // given + Stream nameStream = Stream.of("Alice", "Bob", "Chuck"); + + // when + nameStream.peek(out::append); + + // then + assertThat(out.toString()).isEmpty(); + } + + @Test + void givenStringStream_whenCallingForEachOnly_thenElementsProcessed() { + // given + Stream nameStream = Stream.of("Alice", "Bob", "Chuck"); + + // when + nameStream.forEach(out::append); + + // then + assertThat(out.toString()).isEqualTo("AliceBobChuck"); + } + + @Test + void givenStringStream_whenCallingPeekAndNoopForEach_thenElementsProcessed() { + // given + Stream nameStream = Stream.of("Alice", "Bob", "Chuck"); + + // when + nameStream.peek(out::append) + .forEach(this::noop); + + // then + assertThat(out.toString()).isEqualTo("AliceBobChuck"); + } + + @Test + void givenStringStream_whenCallingPeekAndCollect_thenElementsProcessed() { + // given + Stream nameStream = Stream.of("Alice", "Bob", "Chuck"); + + // when + nameStream.peek(out::append) + .collect(Collectors.toList()); + + // then + assertThat(out.toString()).isEqualTo("AliceBobChuck"); + } + + @Test + void givenStringStream_whenCallingPeekAndForEach_thenElementsProcessedTwice() { + // given + Stream nameStream = Stream.of("Alice", "Bob", "Chuck"); + + // when + nameStream.peek(out::append) + .forEach(out::append); + + // then + assertThat(out.toString()).isEqualTo("AliceAliceBobBobChuckChuck"); + } + + @Test + void givenStringStream_whenCallingPeek_thenElementsProcessedTwice() { + // given + Stream userStream = Stream.of(new User("Alice"), new User("Bob"), new User("Chuck")); + + // when + userStream.peek(u -> u.setName(u.getName().toLowerCase())) + .map(User::getName) + .forEach(out::append); + + // then + assertThat(out.toString()).isEqualTo("alicebobchuck"); + } + + private static class User { + private String name; + + public User(String name) { + this.name = name; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + } + + private void noop(String s) { + } + +} diff --git a/java-streams/src/test/java/com/baeldung/stream/sum/. .. b/java-streams/src/test/java/com/baeldung/stream/sum/. .. new file mode 100644 index 0000000000..8b13789179 --- /dev/null +++ b/java-streams/src/test/java/com/baeldung/stream/sum/. .. @@ -0,0 +1 @@ + diff --git a/java-streams/src/test/java/com/baeldung/stream/sum/StreamSumUnitTest.java b/java-streams/src/test/java/com/baeldung/stream/sum/StreamSumUnitTest.java new file mode 100644 index 0000000000..46e1af9a4a --- /dev/null +++ b/java-streams/src/test/java/com/baeldung/stream/sum/StreamSumUnitTest.java @@ -0,0 +1,136 @@ +package com.baeldung.stream.sum; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import java.util.Arrays; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.junit.jupiter.api.Test; + +public class StreamSumUnitTest { + + @Test + public void givenListOfIntegersWhenSummingUsingCustomizedAccumulatorThenCorrectValueReturned() { + List integers = Arrays.asList(1, 2, 3, 4, 5); + Integer sum = StreamSumCalculator.getSumUsingCustomizedAccumulator(integers); + assertEquals(15, sum.intValue()); + + } + + @Test + public void givenListOfIntegersWhenSummingUsingJavaAccumulatorThenCorrectValueReturned() { + List integers = Arrays.asList(1, 2, 3, 4, 5); + Integer sum = StreamSumCalculator.getSumUsingJavaAccumulator(integers); + assertEquals(15, sum.intValue()); + } + + @Test + public void givenListOfIntegersWhenSummingUsingReduceThenCorrectValueReturned() { + List integers = Arrays.asList(1, 2, 3, 4, 5); + Integer sum = StreamSumCalculator.getSumUsingReduce(integers); + assertEquals(15, sum.intValue()); + } + + @Test + public void givenListOfIntegersWhenSummingUsingCollectThenCorrectValueReturned() { + List integers = Arrays.asList(1, 2, 3, 4, 5); + Integer sum = StreamSumCalculator.getSumUsingCollect(integers); + assertEquals(15, sum.intValue()); + } + + @Test + public void givenListOfIntegersWhenSummingUsingSumThenCorrectValueReturned() { + List integers = Arrays.asList(1, 2, 3, 4, 5); + Integer sum = StreamSumCalculator.getSumUsingSum(integers); + assertEquals(15, sum.intValue()); + } + + @Test + public void givenListOfItemsWhenSummingUsingCustomizedAccumulatorThenCorrectValueReturned() { + Item item1 = new Item(1, 10); + Item item2 = new Item(2, 15); + Item item3 = new Item(3, 25); + Item item4 = new Item(4, 40); + + List items = Arrays.asList(item1, item2, item3, item4); + + Integer sum = StreamSumCalculatorWithObject.getSumUsingCustomizedAccumulator(items); + assertEquals(90, sum.intValue()); + + } + + @Test + public void givenListOfItemsWhenSummingUsingJavaAccumulatorThenCorrectValueReturned() { + Item item1 = new Item(1, 10); + Item item2 = new Item(2, 15); + Item item3 = new Item(3, 25); + Item item4 = new Item(4, 40); + + List items = Arrays.asList(item1, item2, item3, item4); + + Integer sum = StreamSumCalculatorWithObject.getSumUsingJavaAccumulator(items); + assertEquals(90, sum.intValue()); + } + + @Test + public void givenListOfItemsWhenSummingUsingReduceThenCorrectValueReturned() { + Item item1 = new Item(1, 10); + Item item2 = new Item(2, 15); + Item item3 = new Item(3, 25); + Item item4 = new Item(4, 40); + + List items = Arrays.asList(item1, item2, item3, item4); + + Integer sum = StreamSumCalculatorWithObject.getSumUsingReduce(items); + assertEquals(90, sum.intValue()); + } + + @Test + public void givenListOfItemsWhenSummingUsingCollectThenCorrectValueReturned() { + Item item1 = new Item(1, 10); + Item item2 = new Item(2, 15); + Item item3 = new Item(3, 25); + Item item4 = new Item(4, 40); + + List items = Arrays.asList(item1, item2, item3, item4); + + Integer sum = StreamSumCalculatorWithObject.getSumUsingCollect(items); + assertEquals(90, sum.intValue()); + } + + @Test + public void givenListOfItemsWhenSummingUsingSumThenCorrectValueReturned() { + Item item1 = new Item(1, 10); + Item item2 = new Item(2, 15); + Item item3 = new Item(3, 25); + Item item4 = new Item(4, 40); + + List items = Arrays.asList(item1, item2, item3, item4); + + Integer sum = StreamSumCalculatorWithObject.getSumUsingSum(items); + assertEquals(90, sum.intValue()); + } + + @Test + public void givenMapWhenSummingThenCorrectValueReturned() { + Map map = new HashMap(); + map.put(1, 10); + map.put(2, 15); + map.put(3, 25); + map.put(4, 40); + + Integer sum = StreamSumCalculator.getSumOfMapValues(map); + assertEquals(90, sum.intValue()); + } + + @Test + public void givenStringWhenSummingThenCorrectValueReturned() { + String string = "Item1 10 Item2 25 Item3 30 Item4 45"; + + Integer sum = StreamSumCalculator.getSumIntegersFromString(string); + assertEquals(110, sum.intValue()); + } + +} diff --git a/java-strings/README.md b/java-strings/README.md index cbc32d0015..b72a378d06 100644 --- a/java-strings/README.md +++ b/java-strings/README.md @@ -43,3 +43,10 @@ - [Pad a String with Zeros or Spaces in Java](https://www.baeldung.com/java-pad-string) - [Adding a Newline Character to a String in Java](https://www.baeldung.com/java-string-newline) - [Remove or Replace part of a String in Java](https://www.baeldung.com/java-remove-replace-string-part) +- [Replace a Character at a Specific Index in a String in Java](https://www.baeldung.com/java-replace-character-at-index) +- [Convert a Comma Separated String to a List in Java](https://www.baeldung.com/java-string-with-separator-to-list) +- [Guide to java.util.Formatter](http://www.baeldung.com/java-string-formatter) +- [Add a Character to a String at a Given Position](https://www.baeldung.com/java-add-character-to-string) +- [Remove Leading and Trailing Characters from a String](https://www.baeldung.com/java-remove-trailing-characters) +- [Concatenating Strings In Java](https://www.baeldung.com/java-strings-concatenation) +- [Java toString() Method](https://www.baeldung.com/java-tostring) diff --git a/core-java/src/main/java/com/baeldung/string/AppendCharAtPositionX.java b/java-strings/src/main/java/com/baeldung/string/AppendCharAtPositionX.java similarity index 100% rename from core-java/src/main/java/com/baeldung/string/AppendCharAtPositionX.java rename to java-strings/src/main/java/com/baeldung/string/AppendCharAtPositionX.java diff --git a/java-strings/src/main/java/com/baeldung/string/Pangram.java b/java-strings/src/main/java/com/baeldung/string/Pangram.java new file mode 100644 index 0000000000..c09b0c1d29 --- /dev/null +++ b/java-strings/src/main/java/com/baeldung/string/Pangram.java @@ -0,0 +1,61 @@ +package com.baeldung.string; + +import java.util.Arrays; +import java.util.Map; +import java.util.function.Function; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +public class Pangram { + private static final int ALPHABET_COUNT = 26; + + public static boolean isPangram(String str) { + if (str == null) + return false; + Boolean[] alphabetMarker = new Boolean[ALPHABET_COUNT]; + Arrays.fill(alphabetMarker, false); + int alphabetIndex = 0; + String strUpper = str.toUpperCase(); + for (int i = 0; i < str.length(); i++) { + if ('A' <= strUpper.charAt(i) && strUpper.charAt(i) <= 'Z') { + alphabetIndex = strUpper.charAt(i) - 'A'; + alphabetMarker[alphabetIndex] = true; + } + } + for (boolean index : alphabetMarker) { + if (!index) + return false; + } + return true; + } + + public static boolean isPangramWithStreams(String str) { + if (str == null) + return false; + + // filtered character stream + String strUpper = str.toUpperCase(); + Stream filteredCharStream = strUpper.chars() + .filter(item -> ((item >= 'A' && item <= 'Z'))) + .mapToObj(c -> (char) c); + Map alphabetMap = filteredCharStream.collect(Collectors.toMap(item -> item, k -> Boolean.TRUE, (p1, p2) -> p1)); + + return (alphabetMap.size() == ALPHABET_COUNT); + } + + public static boolean isPerfectPangram(String str) { + if (str == null) + return false; + + // filtered character stream + String strUpper = str.toUpperCase(); + Stream filteredCharStream = strUpper.chars() + .filter(item -> ((item >= 'A' && item <= 'Z'))) + .mapToObj(c -> (char) c); + Map alphabetFrequencyMap = filteredCharStream.collect(Collectors.groupingBy(Function.identity(), Collectors.counting())); + + return (alphabetFrequencyMap.size() == ALPHABET_COUNT && alphabetFrequencyMap.values() + .stream() + .allMatch(item -> item == 1)); + } +} diff --git a/java-strings/src/main/java/com/baeldung/string/tostring/Customer.java b/java-strings/src/main/java/com/baeldung/string/tostring/Customer.java new file mode 100644 index 0000000000..e914a83f0e --- /dev/null +++ b/java-strings/src/main/java/com/baeldung/string/tostring/Customer.java @@ -0,0 +1,19 @@ +package com.baeldung.string.tostring; + +public class Customer { + private String firstName; + private String lastName; + + public String getFirstName() { + return firstName; + } + public void setFirstName(String firstName) { + this.firstName = firstName; + } + public String getLastName() { + return lastName; + } + public void setLastName(String lastName) { + this.lastName = lastName; + } +} diff --git a/java-strings/src/main/java/com/baeldung/string/tostring/CustomerArrayToString.java b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerArrayToString.java new file mode 100644 index 0000000000..1736657276 --- /dev/null +++ b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerArrayToString.java @@ -0,0 +1,19 @@ +package com.baeldung.string.tostring; + +import java.util.Arrays; + +public class CustomerArrayToString extends Customer { + private Order[] orders; + + public Order[] getOrders() { + return orders; + } + public void setOrders(Order[] orders) { + this.orders = orders; + } + @Override + public String toString() { + return "Customer [orders=" + Arrays.toString(orders) + ", getFirstName()=" + getFirstName() + + ", getLastName()=" + getLastName() + "]"; + } +} diff --git a/java-strings/src/main/java/com/baeldung/string/tostring/CustomerComplexObjectToString.java b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerComplexObjectToString.java new file mode 100644 index 0000000000..9bede1b3fc --- /dev/null +++ b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerComplexObjectToString.java @@ -0,0 +1,19 @@ +package com.baeldung.string.tostring; + +public class CustomerComplexObjectToString extends Customer { + private Order order; + + public Order getOrder() { + return order; + } + + public void setOrder(Order order) { + this.order = order; + } + + @Override + public String toString() { + return "Customer [order=" + order + ", getFirstName()=" + getFirstName() + + ", getLastName()=" + getLastName() + "]"; + } +} \ No newline at end of file diff --git a/java-strings/src/main/java/com/baeldung/string/tostring/CustomerPrimitiveToString.java b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerPrimitiveToString.java new file mode 100644 index 0000000000..86e08ca447 --- /dev/null +++ b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerPrimitiveToString.java @@ -0,0 +1,19 @@ +package com.baeldung.string.tostring; + +public class CustomerPrimitiveToString extends Customer { + private long balance; + + public long getBalance() { + return balance; + } + + public void setBalance(long balance) { + this.balance = balance; + } + + @Override + public String toString() { + return "Customer [balance=" + balance + ", getFirstName()=" + getFirstName() + + ", getLastName()=" + getLastName() + "]"; + } +} diff --git a/java-strings/src/main/java/com/baeldung/string/tostring/CustomerReflectionToString.java b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerReflectionToString.java new file mode 100644 index 0000000000..2da1163c63 --- /dev/null +++ b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerReflectionToString.java @@ -0,0 +1,41 @@ +package com.baeldung.string.tostring; + +import java.util.List; + +import org.apache.commons.lang3.builder.ReflectionToStringBuilder; + +public class CustomerReflectionToString extends Customer{ + + private Integer score; + private List orders; + private StringBuffer fullname; + + public Integer getScore() { + return score; + } + + public void setScore(Integer score) { + this.score = score; + } + + public List getOrders() { + return orders; + } + + public void setOrders(List orders) { + this.orders = orders; + } + + public StringBuffer getFullname() { + return fullname; + } + + public void setFullname(StringBuffer fullname) { + this.fullname = fullname; + } + + @Override + public String toString() { + return ReflectionToStringBuilder.toString(this); + } +} diff --git a/java-strings/src/main/java/com/baeldung/string/tostring/CustomerWrapperCollectionToString.java b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerWrapperCollectionToString.java new file mode 100644 index 0000000000..6c7b999045 --- /dev/null +++ b/java-strings/src/main/java/com/baeldung/string/tostring/CustomerWrapperCollectionToString.java @@ -0,0 +1,39 @@ +package com.baeldung.string.tostring; + +import java.util.List; + +public class CustomerWrapperCollectionToString extends Customer { + private Integer score; + private List orders; + private StringBuffer fullname; + + public Integer getScore() { + return score; + } + + public void setScore(Integer score) { + this.score = score; + } + + public List getOrders() { + return orders; + } + + public void setOrders(List orders) { + this.orders = orders; + } + + public StringBuffer getFullname() { + return fullname; + } + + public void setFullname(StringBuffer fullname) { + this.fullname = fullname; + } + + @Override + public String toString() { + return "Customer [score=" + score + ", orders=" + orders + ", fullname=" + fullname + + ", getFirstName()=" + getFirstName() + ", getLastName()=" + getLastName() + "]"; + } +} diff --git a/java-strings/src/main/java/com/baeldung/string/tostring/Order.java b/java-strings/src/main/java/com/baeldung/string/tostring/Order.java new file mode 100644 index 0000000000..017e2d9bc8 --- /dev/null +++ b/java-strings/src/main/java/com/baeldung/string/tostring/Order.java @@ -0,0 +1,46 @@ +package com.baeldung.string.tostring; + +public class Order { + + private String orderId; + private String desc; + private long value; + private String status; + + public String getOrderId() { + return orderId; + } + + public void setOrderId(String orderId) { + this.orderId = orderId; + } + + public String getDesc() { + return desc; + } + + public void setDesc(String desc) { + this.desc = desc; + } + + public long getValue() { + return value; + } + + public void setValue(long value) { + this.value = value; + } + + public String getStatus() { + return status; + } + + public void setStatus(String status) { + this.status = status; + } + @Override + public String toString() { + return "Order [orderId=" + orderId + ", desc=" + desc + ", value=" + value + "]"; + } + +} diff --git a/core-java/src/test/java/com/baeldung/string/AppendCharAtPositionXUnitTest.java b/java-strings/src/test/java/com/baeldung/string/AppendCharAtPositionXUnitTest.java similarity index 100% rename from core-java/src/test/java/com/baeldung/string/AppendCharAtPositionXUnitTest.java rename to java-strings/src/test/java/com/baeldung/string/AppendCharAtPositionXUnitTest.java diff --git a/java-strings/src/test/java/com/baeldung/string/PangramUnitTest.java b/java-strings/src/test/java/com/baeldung/string/PangramUnitTest.java new file mode 100644 index 0000000000..36e603b535 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/PangramUnitTest.java @@ -0,0 +1,43 @@ +package com.baeldung.string; + +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; +import org.junit.Test; + +public class PangramUnitTest { + + @Test + public void givenValidString_isPangram_shouldReturnSuccess() { + String input = "Two driven jocks help fax my big quiz"; + assertTrue(Pangram.isPangram(input)); + assertTrue(Pangram.isPangramWithStreams(input)); + } + + @Test + public void givenNullString_isPangram_shouldReturnFailure() { + String input = null; + assertFalse(Pangram.isPangram(input)); + assertFalse(Pangram.isPangramWithStreams(input)); + assertFalse(Pangram.isPerfectPangram(input)); + } + + @Test + public void givenPerfectPangramString_isPerfectPangram_shouldReturnSuccess() { + String input = "abcdefghijklmNoPqrStuVwxyz"; + assertTrue(Pangram.isPerfectPangram(input)); + } + + @Test + public void givenNonPangramString_isPangram_shouldReturnFailure() { + String input = "invalid pangram"; + assertFalse(Pangram.isPangram(input)); + assertFalse(Pangram.isPangramWithStreams(input)); + } + + @Test + public void givenPangram_isPerfectPangram_shouldReturnFailure() { + String input = "Two driven jocks help fax my big quiz"; + assertFalse(Pangram.isPerfectPangram(input)); + } + +} diff --git a/java-strings/src/test/java/com/baeldung/string/StringReplaceAndRemoveUnitTest.java b/java-strings/src/test/java/com/baeldung/string/StringReplaceAndRemoveUnitTest.java index d952d2383b..4d2b54241b 100644 --- a/java-strings/src/test/java/com/baeldung/string/StringReplaceAndRemoveUnitTest.java +++ b/java-strings/src/test/java/com/baeldung/string/StringReplaceAndRemoveUnitTest.java @@ -1,7 +1,7 @@ package com.baeldung.string; - import org.apache.commons.lang3.StringUtils; +import org.apache.commons.lang3.RegExUtils; import org.junit.Test; import static org.junit.Assert.assertFalse; @@ -9,7 +9,6 @@ import static org.junit.Assert.assertTrue; public class StringReplaceAndRemoveUnitTest { - @Test public void givenTestStrings_whenReplace_thenProcessedString() { @@ -26,7 +25,7 @@ public class StringReplaceAndRemoveUnitTest { public void givenTestStrings_whenReplaceAll_thenProcessedString() { String master2 = "Welcome to Baeldung, Hello World Baeldung"; - String regexTarget= "(Baeldung)$"; + String regexTarget = "(Baeldung)$"; String replacement = "Java"; String processed2 = master2.replaceAll(regexTarget, replacement); assertTrue(processed2.endsWith("Java")); @@ -45,18 +44,16 @@ public class StringReplaceAndRemoveUnitTest { StringBuilder builder = new StringBuilder(master); - builder.delete(startIndex, stopIndex); - assertFalse(builder.toString().contains(target)); - + assertFalse(builder.toString() + .contains(target)); builder.replace(startIndex, stopIndex, replacement); - assertTrue(builder.toString().contains(replacement)); - + assertTrue(builder.toString() + .contains(replacement)); } - @Test public void givenTestStrings_whenStringUtilsMethods_thenProcessedStrings() { @@ -74,10 +71,20 @@ public class StringReplaceAndRemoveUnitTest { } + @Test + public void givenTestStrings_whenReplaceExactWord_thenProcessedString() { + String sentence = "A car is not the same as a carriage, and some planes can carry cars inside them!"; + String regexTarget = "\\bcar\\b"; + String exactWordReplaced = sentence.replaceAll(regexTarget, "truck"); + assertTrue("A truck is not the same as a carriage, and some planes can carry cars inside them!".equals(exactWordReplaced)); + } - - - - + @Test + public void givenTestStrings_whenReplaceExactWordUsingRegExUtilsMethod_thenProcessedString() { + String sentence = "A car is not the same as a carriage, and some planes can carry cars inside them!"; + String regexTarget = "\\bcar\\b"; + String exactWordReplaced = RegExUtils.replaceAll(sentence, regexTarget, "truck"); + assertTrue("A truck is not the same as a carriage, and some planes can carry cars inside them!".equals(exactWordReplaced)); + } } diff --git a/java-strings/src/test/java/com/baeldung/string/formatter/DateToStringFormatterUnitTest.java b/java-strings/src/test/java/com/baeldung/string/formatter/DateToStringFormatterUnitTest.java index f236c641c3..d760510c73 100644 --- a/java-strings/src/test/java/com/baeldung/string/formatter/DateToStringFormatterUnitTest.java +++ b/java-strings/src/test/java/com/baeldung/string/formatter/DateToStringFormatterUnitTest.java @@ -1,7 +1,6 @@ package com.baeldung.string.formatter; -import org.junit.BeforeClass; -import org.junit.Test; +import static org.junit.Assert.assertEquals; import java.text.DateFormat; import java.text.SimpleDateFormat; @@ -11,9 +10,11 @@ import java.time.ZoneId; import java.time.format.DateTimeFormatter; import java.util.Calendar; import java.util.Date; +import java.util.Locale; import java.util.TimeZone; -import static org.junit.Assert.assertEquals; +import org.junit.BeforeClass; +import org.junit.Test; public class DateToStringFormatterUnitTest { @@ -40,7 +41,7 @@ public class DateToStringFormatterUnitTest { @Test public void whenDateConvertedUsingDateFormatToString_thenCorrect() { String formattedDate = DateFormat - .getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT) + .getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT, Locale.US) .format(date); assertEquals(EXPECTED_STRING_DATE, formattedDate); diff --git a/java-strings/src/test/java/com/baeldung/string/interview/LocaleUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/LocaleUnitTest.java new file mode 100644 index 0000000000..1d221056fd --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/LocaleUnitTest.java @@ -0,0 +1,19 @@ +package com.baeldung.string.interview; + +import java.math.BigDecimal; +import java.text.NumberFormat; +import java.util.Locale; +import static org.junit.Assert.assertEquals; + +import org.junit.Test; + +public class LocaleUnitTest { + @Test + public void whenUsingLocal_thenCorrectResultsForDifferentLocale() { + Locale usLocale = Locale.US; + BigDecimal number = new BigDecimal(102_300.456d); + + NumberFormat usNumberFormat = NumberFormat.getCurrencyInstance(usLocale); + assertEquals(usNumberFormat.format(number), "$102,300.46"); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringAnagramUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringAnagramUnitTest.java new file mode 100644 index 0000000000..aadfade737 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringAnagramUnitTest.java @@ -0,0 +1,29 @@ +package com.baeldung.string.interview; + +import static org.assertj.core.api.Assertions.assertThat; + +import java.util.Arrays; + +import org.junit.Test; + +public class StringAnagramUnitTest { + public boolean isAnagram(String s1, String s2) { + if(s1.length() != s2.length()) + return false; + + char[] arr1 = s1.toCharArray(); + char[] arr2 = s2.toCharArray(); + + Arrays.sort(arr1); + Arrays.sort(arr2); + + return Arrays.equals(arr1, arr2); + } + + @Test + public void whenTestAnagrams_thenTestingCorrectly() { + assertThat(isAnagram("car", "arc")).isTrue(); + assertThat(isAnagram("west", "stew")).isTrue(); + assertThat(isAnagram("west", "east")).isFalse(); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringChangeCaseUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringChangeCaseUnitTest.java new file mode 100644 index 0000000000..2c7ec500fe --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringChangeCaseUnitTest.java @@ -0,0 +1,20 @@ +package com.baeldung.string.interview; + +import static org.junit.Assert.assertEquals; + +import org.junit.Test; + +public class StringChangeCaseUnitTest { + @Test + public void givenString_whenChangingToUppercase_thenCaseChanged() { + String s = "Welcome to Baeldung!"; + assertEquals("WELCOME TO BAELDUNG!", s.toUpperCase()); + } + + + @Test + public void givenString_whenChangingToLowerrcase_thenCaseChanged() { + String s = "Welcome to Baeldung!"; + assertEquals("welcome to baeldung!", s.toLowerCase()); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringCountOccurrencesUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringCountOccurrencesUnitTest.java new file mode 100644 index 0000000000..6c17643ac8 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringCountOccurrencesUnitTest.java @@ -0,0 +1,28 @@ +package com.baeldung.string.interview; + +import static org.junit.Assert.assertEquals; + +import org.junit.Test; + +public class StringCountOccurrencesUnitTest { + public int countOccurrences(String s, char c) { + int count = 0; + for (int i = 0; i < s.length(); i++) { + if (s.charAt(i) == c) { + count++; + } + } + return count; + } + + @Test + public void givenString_whenCountingFrequencyOfChar_thenCountCorrect() { + assertEquals(3, countOccurrences("united states", 't')); + } + + public void givenString_whenUsingJava8_thenCountingOfCharCorrect() { + String str = "united states"; + long count = str.chars().filter(ch -> (char)ch == 't').count(); + assertEquals(3, count); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringFormatUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringFormatUnitTest.java new file mode 100644 index 0000000000..787017791c --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringFormatUnitTest.java @@ -0,0 +1,14 @@ +package com.baeldung.string.interview; + +import static org.junit.Assert.assertEquals; + +import org.junit.Test; + +public class StringFormatUnitTest { + @Test + public void givenString_whenUsingStringFormat_thenStringFormatted() { + String title = "Baeldung"; + String formatted = String.format("Title is %s", title); + assertEquals(formatted, "Title is Baeldung"); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringInternUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringInternUnitTest.java new file mode 100644 index 0000000000..c5bffb7573 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringInternUnitTest.java @@ -0,0 +1,17 @@ +package com.baeldung.string.interview; + +import static org.assertj.core.api.Assertions.assertThat; + +import org.junit.Test; + +public class StringInternUnitTest { + @Test + public void whenCallingStringIntern_thenStringsInterned() { + String s1 = "Baeldung"; + String s2 = new String("Baeldung"); + String s3 = new String("Baeldung").intern(); + + assertThat(s1 == s2).isFalse(); + assertThat(s1 == s3).isTrue(); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringJoinerUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringJoinerUnitTest.java new file mode 100644 index 0000000000..d44c7478e4 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringJoinerUnitTest.java @@ -0,0 +1,18 @@ +package com.baeldung.string.interview; + +import java.util.StringJoiner; +import static org.junit.Assert.assertEquals; + +import org.junit.Test; + +public class StringJoinerUnitTest { + @Test + public void whenUsingStringJoiner_thenStringsJoined() { + StringJoiner joiner = new StringJoiner(",", "[", "]"); + joiner.add("Red") + .add("Green") + .add("Blue"); + + assertEquals(joiner.toString(), "[Red,Green,Blue]"); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringPalindromeUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringPalindromeUnitTest.java new file mode 100644 index 0000000000..79ed14cd99 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringPalindromeUnitTest.java @@ -0,0 +1,29 @@ +package com.baeldung.string.interview; + +import static org.assertj.core.api.Assertions.assertThat; + +import org.junit.Test; + +public class StringPalindromeUnitTest { + + public boolean isPalindrome(String text) { + int forward = 0; + int backward = text.length() - 1; + while (backward > forward) { + char forwardChar = text.charAt(forward++); + char backwardChar = text.charAt(backward--); + if (forwardChar != backwardChar) + return false; + } + return true; + } + + @Test + public void givenIsPalindromeMethod_whenCheckingString_thenFindIfPalindrome() { + assertThat(isPalindrome("madam")).isTrue(); + assertThat(isPalindrome("radar")).isTrue(); + assertThat(isPalindrome("level")).isTrue(); + + assertThat(isPalindrome("baeldung")).isFalse(); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringReverseUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringReverseUnitTest.java new file mode 100644 index 0000000000..bb9b45dc97 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringReverseUnitTest.java @@ -0,0 +1,13 @@ +package com.baeldung.string.interview; + +import static org.junit.Assert.assertEquals; + +import org.junit.Test; + +public class StringReverseUnitTest { + @Test + public void whenUsingInbuildMethods_thenStringReversed() { + String reversed = new StringBuilder("baeldung").reverse().toString(); + assertEquals("gnudleab", reversed); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringSplitUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringSplitUnitTest.java new file mode 100644 index 0000000000..e1cea62462 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringSplitUnitTest.java @@ -0,0 +1,32 @@ +package com.baeldung.string.interview; + +import org.apache.commons.lang3.StringUtils; +import org.junit.Test; +import static org.junit.Assert.assertArrayEquals; + +public class StringSplitUnitTest { + @Test + public void givenCoreJava_whenSplittingStrings_thenSplitted() { + String expected[] = { + "john", + "peter", + "mary" + }; + + String[] splitted = "john,peter,mary".split(","); + assertArrayEquals( expected, splitted ); + } + + @Test + public void givenApacheCommons_whenSplittingStrings_thenSplitted() { + String expected[] = { + "john", + "peter", + "mary" + }; + String[] splitted = StringUtils.split("john peter mary"); + assertArrayEquals( expected, splitted ); + } + + +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringToByteArrayUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringToByteArrayUnitTest.java new file mode 100644 index 0000000000..aee4eedcd6 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringToByteArrayUnitTest.java @@ -0,0 +1,24 @@ +package com.baeldung.string.interview; + +import static org.junit.Assert.assertArrayEquals; + +import java.io.UnsupportedEncodingException; +import java.nio.charset.StandardCharsets; + +import org.junit.Test; + +public class StringToByteArrayUnitTest { + @Test + public void whenGetBytes_thenCorrect() throws UnsupportedEncodingException { + byte[] byteArray1 = "abcd".getBytes(); + byte[] byteArray2 = "efgh".getBytes(StandardCharsets.US_ASCII); + byte[] byteArray3 = "ijkl".getBytes("UTF-8"); + byte[] expected1 = new byte[] { 97, 98, 99, 100 }; + byte[] expected2 = new byte[] { 101, 102, 103, 104 }; + byte[] expected3 = new byte[] { 105, 106, 107, 108 }; + + assertArrayEquals(expected1, byteArray1); + assertArrayEquals(expected2, byteArray2); + assertArrayEquals(expected3, byteArray3); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringToCharArrayUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringToCharArrayUnitTest.java new file mode 100644 index 0000000000..1322d0fa82 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringToCharArrayUnitTest.java @@ -0,0 +1,17 @@ +package com.baeldung.string.interview; + +import static org.junit.Assert.assertEquals; + +import java.util.Arrays; + +import org.junit.Test; + +public class StringToCharArrayUnitTest { + @Test + public void whenConvertingStringToCharArray_thenConversionSuccessful() { + String beforeConvStr = "hello"; + char[] afterConvCharArr = { 'h', 'e', 'l', 'l', 'o' }; + + assertEquals(Arrays.equals(beforeConvStr.toCharArray(), afterConvCharArr), true); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/interview/StringToIntegerUnitTest.java b/java-strings/src/test/java/com/baeldung/string/interview/StringToIntegerUnitTest.java new file mode 100644 index 0000000000..a905438a84 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/interview/StringToIntegerUnitTest.java @@ -0,0 +1,15 @@ +package com.baeldung.string.interview; + +import org.junit.Test; +import static org.assertj.core.api.Assertions.assertThat; + +public class StringToIntegerUnitTest { + @Test + public void givenString_whenParsingInt_shouldConvertToInt() { + String givenString = "42"; + + int result = Integer.parseInt(givenString); + + assertThat(result).isEqualTo(42); + } +} diff --git a/java-strings/src/test/java/com/baeldung/string/tostring/CustomerArrayToStringUnitTest.java b/java-strings/src/test/java/com/baeldung/string/tostring/CustomerArrayToStringUnitTest.java new file mode 100644 index 0000000000..9a88416179 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/tostring/CustomerArrayToStringUnitTest.java @@ -0,0 +1,26 @@ +package com.baeldung.string.tostring; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import org.junit.jupiter.api.Test; + +public class CustomerArrayToStringUnitTest { + private static final String CUSTOMER_ARRAY_TO_STRING + = "Customer [orders=[Order [orderId=A1111, desc=Game, value=0]], getFirstName()=Rajesh, getLastName()=Bhojwani]"; + + @Test + public void givenArray_whenToString_thenCustomerDetails() { + CustomerArrayToString customer = new CustomerArrayToString(); + customer.setFirstName("Rajesh"); + customer.setLastName("Bhojwani"); + Order[] orders = new Order[1]; + orders[0] = new Order(); + orders[0].setOrderId("A1111"); + orders[0].setDesc("Game"); + orders[0].setStatus("In-Shiping"); + customer.setOrders(orders); + + assertEquals(CUSTOMER_ARRAY_TO_STRING, customer.toString()); + } + +} diff --git a/java-strings/src/test/java/com/baeldung/string/tostring/CustomerComplexObjectToStringUnitTest.java b/java-strings/src/test/java/com/baeldung/string/tostring/CustomerComplexObjectToStringUnitTest.java new file mode 100644 index 0000000000..5ffb0d0e58 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/tostring/CustomerComplexObjectToStringUnitTest.java @@ -0,0 +1,25 @@ +package com.baeldung.string.tostring; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import org.junit.jupiter.api.Test; + +public class CustomerComplexObjectToStringUnitTest { + private static final String CUSTOMER_COMPLEX_TO_STRING + = "Customer [order=Order [orderId=A1111, desc=Game, value=0], getFirstName()=Rajesh, getLastName()=Bhojwani]"; + + @Test + public void givenComplex_whenToString_thenCustomerDetails() { + CustomerComplexObjectToString customer = new CustomerComplexObjectToString(); + customer.setFirstName("Rajesh"); + customer.setLastName("Bhojwani"); + Order order = new Order(); + order.setOrderId("A1111"); + order.setDesc("Game"); + order.setStatus("In-Shiping"); + customer.setOrder(order); + + assertEquals(CUSTOMER_COMPLEX_TO_STRING, customer.toString()); + } + +} diff --git a/java-strings/src/test/java/com/baeldung/string/tostring/CustomerPrimitiveToStringUnitTest.java b/java-strings/src/test/java/com/baeldung/string/tostring/CustomerPrimitiveToStringUnitTest.java new file mode 100644 index 0000000000..d43733bc60 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/tostring/CustomerPrimitiveToStringUnitTest.java @@ -0,0 +1,22 @@ +package com.baeldung.string.tostring; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import org.junit.jupiter.api.Test; + +public class CustomerPrimitiveToStringUnitTest { + + private static final String CUSTOMER_PRIMITIVE_TO_STRING + = "Customer [balance=110, getFirstName()=Rajesh, getLastName()=Bhojwani]"; + + @Test + public void givenPrimitive_whenToString_thenCustomerDetails() { + CustomerPrimitiveToString customer = new CustomerPrimitiveToString(); + customer.setFirstName("Rajesh"); + customer.setLastName("Bhojwani"); + customer.setBalance(110); + + assertEquals(CUSTOMER_PRIMITIVE_TO_STRING, customer.toString()); + } +} + diff --git a/java-strings/src/test/java/com/baeldung/string/tostring/CustomerWrapperCollectionToStringUnitTest.java b/java-strings/src/test/java/com/baeldung/string/tostring/CustomerWrapperCollectionToStringUnitTest.java new file mode 100644 index 0000000000..e04512ff75 --- /dev/null +++ b/java-strings/src/test/java/com/baeldung/string/tostring/CustomerWrapperCollectionToStringUnitTest.java @@ -0,0 +1,33 @@ +package com.baeldung.string.tostring; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import java.util.ArrayList; +import java.util.List; + +import org.junit.jupiter.api.Test; + +public class CustomerWrapperCollectionToStringUnitTest { + private static final String CUSTOMER_WRAPPER_COLLECTION_TO_STRING + = "Customer [score=8, orders=[Book, Pen], fullname=Bhojwani, Rajesh, getFirstName()=Rajesh, getLastName()=Bhojwani]"; + + @Test + public void givenWrapperCollectionStrBuffer_whenToString_thenCustomerDetails() { + CustomerWrapperCollectionToString customer = new CustomerWrapperCollectionToString(); + customer.setFirstName("Rajesh"); + customer.setLastName("Bhojwani"); + customer.setScore(8); + + List orders = new ArrayList(); + orders.add("Book"); + orders.add("Pen"); + customer.setOrders(orders); + + StringBuffer fullname = new StringBuffer(); + fullname.append(customer.getLastName()+", "+ customer.getFirstName()); + customer.setFullname(fullname); + + assertEquals(CUSTOMER_WRAPPER_COLLECTION_TO_STRING, customer.toString()); + } + +} diff --git a/jee-7/README.md b/jee-7/README.md index a2493e561b..a783e7860e 100644 --- a/jee-7/README.md +++ b/jee-7/README.md @@ -5,3 +5,4 @@ - [Introduction to JAX-WS](http://www.baeldung.com/jax-ws) - [A Guide to Java EE Web-Related Annotations](http://www.baeldung.com/javaee-web-annotations) - [Introduction to Testing with Arquillian](http://www.baeldung.com/arquillian) +- [Java EE 7 Batch Processing](https://www.baeldung.com/java-ee-7-batch-processing) diff --git a/kotlin-libraries/pom.xml b/kotlin-libraries/pom.xml index ae77a9aa2d..507e5820d4 100644 --- a/kotlin-libraries/pom.xml +++ b/kotlin-libraries/pom.xml @@ -95,6 +95,23 @@ 0.7.3 + + uy.kohesive.kovert + kovert-vertx + [1.5.0,1.6.0) + + + nl.komponents.kovenant + kovenant + + + + + nl.komponents.kovenant + kovenant + 3.3.0 + pom + @@ -110,4 +127,4 @@ 0.10.4 - \ No newline at end of file + diff --git a/core-kotlin/src/main/kotlin/com/baeldung/kovert/AnnotatedServer.kt b/kotlin-libraries/src/main/kotlin/com/baeldung/kovert/AnnotatedServer.kt similarity index 100% rename from core-kotlin/src/main/kotlin/com/baeldung/kovert/AnnotatedServer.kt rename to kotlin-libraries/src/main/kotlin/com/baeldung/kovert/AnnotatedServer.kt diff --git a/core-kotlin/src/main/kotlin/com/baeldung/kovert/ErrorServer.kt b/kotlin-libraries/src/main/kotlin/com/baeldung/kovert/ErrorServer.kt similarity index 100% rename from core-kotlin/src/main/kotlin/com/baeldung/kovert/ErrorServer.kt rename to kotlin-libraries/src/main/kotlin/com/baeldung/kovert/ErrorServer.kt diff --git a/core-kotlin/src/main/kotlin/com/baeldung/kovert/JsonServer.kt b/kotlin-libraries/src/main/kotlin/com/baeldung/kovert/JsonServer.kt similarity index 100% rename from core-kotlin/src/main/kotlin/com/baeldung/kovert/JsonServer.kt rename to kotlin-libraries/src/main/kotlin/com/baeldung/kovert/JsonServer.kt diff --git a/core-kotlin/src/main/kotlin/com/baeldung/kovert/NoopServer.kt b/kotlin-libraries/src/main/kotlin/com/baeldung/kovert/NoopServer.kt similarity index 100% rename from core-kotlin/src/main/kotlin/com/baeldung/kovert/NoopServer.kt rename to kotlin-libraries/src/main/kotlin/com/baeldung/kovert/NoopServer.kt diff --git a/core-kotlin/src/main/kotlin/com/baeldung/kovert/SecuredServer.kt b/kotlin-libraries/src/main/kotlin/com/baeldung/kovert/SecuredServer.kt similarity index 100% rename from core-kotlin/src/main/kotlin/com/baeldung/kovert/SecuredServer.kt rename to kotlin-libraries/src/main/kotlin/com/baeldung/kovert/SecuredServer.kt diff --git a/core-kotlin/src/main/kotlin/com/baeldung/kovert/SimpleServer.kt b/kotlin-libraries/src/main/kotlin/com/baeldung/kovert/SimpleServer.kt similarity index 100% rename from core-kotlin/src/main/kotlin/com/baeldung/kovert/SimpleServer.kt rename to kotlin-libraries/src/main/kotlin/com/baeldung/kovert/SimpleServer.kt diff --git a/core-kotlin/src/main/resources/kovert.conf b/kotlin-libraries/src/main/resources/kovert.conf similarity index 100% rename from core-kotlin/src/main/resources/kovert.conf rename to kotlin-libraries/src/main/resources/kovert.conf diff --git a/libraries-data/src/main/kafka-connect/04_Custom/connect-distributed.properties b/libraries-data/src/main/kafka-connect/04_Custom/connect-distributed.properties deleted file mode 100644 index 5b91baddbd..0000000000 --- a/libraries-data/src/main/kafka-connect/04_Custom/connect-distributed.properties +++ /dev/null @@ -1,88 +0,0 @@ -## -# Licensed to the Apache Software Foundation (ASF) under one or more -# contributor license agreements. See the NOTICE file distributed with -# this work for additional information regarding copyright ownership. -# The ASF licenses this file to You under the Apache License, Version 2.0 -# (the "License"); you may not use this file except in compliance with -# the License. You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. -## - -# This file contains some of the configurations for the Kafka Connect distributed worker. This file is intended -# to be used with the examples, and some settings may differ from those used in a production system, especially -# the `bootstrap.servers` and those specifying replication factors. - -# A list of host/port pairs to use for establishing the initial connection to the Kafka cluster. -bootstrap.servers=localhost:9092 - -# unique name for the cluster, used in forming the Connect cluster group. Note that this must not conflict with consumer group IDs -group.id=connect-cluster - -# The converters specify the format of data in Kafka and how to translate it into Connect data. Every Connect user will -# need to configure these based on the format they want their data in when loaded from or stored into Kafka -key.converter=org.apache.kafka.connect.json.JsonConverter -value.converter=org.apache.kafka.connect.json.JsonConverter -# Converter-specific settings can be passed in by prefixing the Converter's setting with the converter we want to apply -# it to -key.converter.schemas.enable=true -value.converter.schemas.enable=true - -# Topic to use for storing offsets. This topic should have many partitions and be replicated and compacted. -# Kafka Connect will attempt to create the topic automatically when needed, but you can always manually create -# the topic before starting Kafka Connect if a specific topic configuration is needed. -# Most users will want to use the built-in default replication factor of 3 or in some cases even specify a larger value. -# Since this means there must be at least as many brokers as the maximum replication factor used, we'd like to be able -# to run this example on a single-broker cluster and so here we instead set the replication factor to 1. -offset.storage.topic=connect-offsets -offset.storage.replication.factor=1 -#offset.storage.partitions=25 - -# Topic to use for storing connector and task configurations; note that this should be a single partition, highly replicated, -# and compacted topic. Kafka Connect will attempt to create the topic automatically when needed, but you can always manually create -# the topic before starting Kafka Connect if a specific topic configuration is needed. -# Most users will want to use the built-in default replication factor of 3 or in some cases even specify a larger value. -# Since this means there must be at least as many brokers as the maximum replication factor used, we'd like to be able -# to run this example on a single-broker cluster and so here we instead set the replication factor to 1. -config.storage.topic=connect-configs -config.storage.replication.factor=1 - -# Topic to use for storing statuses. This topic can have multiple partitions and should be replicated and compacted. -# Kafka Connect will attempt to create the topic automatically when needed, but you can always manually create -# the topic before starting Kafka Connect if a specific topic configuration is needed. -# Most users will want to use the built-in default replication factor of 3 or in some cases even specify a larger value. -# Since this means there must be at least as many brokers as the maximum replication factor used, we'd like to be able -# to run this example on a single-broker cluster and so here we instead set the replication factor to 1. -status.storage.topic=connect-status -status.storage.replication.factor=1 -#status.storage.partitions=5 - -# Flush much faster than normal, which is useful for testing/debugging -offset.flush.interval.ms=10000 - -# These are provided to inform the user about the presence of the REST host and port configs -# Hostname & Port for the REST API to listen on. If this is set, it will bind to the interface used to listen to requests. -#rest.host.name= -#rest.port=8083 - -# The Hostname & Port that will be given out to other workers to connect to i.e. URLs that are routable from other servers. -#rest.advertised.host.name= -#rest.advertised.port= - -# Set to a list of filesystem paths separated by commas (,) to enable class loading isolation for plugins -# (connectors, converters, transformations). The list should consist of top level directories that include -# any combination of: -# a) directories immediately containing jars with plugins and their dependencies -# b) uber-jars with plugins and their dependencies -# c) directories immediately containing the package directory structure of classes of plugins and their dependencies -# Examples: -# plugin.path=/usr/local/share/java,/usr/local/share/kafka/plugins,/opt/connectors, -# Replace the relative path below with an absolute path if you are planning to start Kafka Connect from within a -# directory other than the home directory of Confluent Platform. -plugin.path=./share/java diff --git a/libraries-data/src/main/kafka-connect/04_Custom/connect-mongodb-sink.json b/libraries-data/src/main/kafka-connect/04_Custom/connect-mongodb-sink.json index 333768e4b7..852f400fc6 100644 --- a/libraries-data/src/main/kafka-connect/04_Custom/connect-mongodb-sink.json +++ b/libraries-data/src/main/kafka-connect/04_Custom/connect-mongodb-sink.json @@ -1,22 +1,14 @@ { - "firstName": "John", - "lastName": "Smith", - "age": 25, - "address": { - "streetAddress": "21 2nd Street", - "city": "New York", - "state": "NY", - "postalCode": "10021" - }, - "phoneNumber": [{ - "type": "home", - "number": "212 555-1234" - }, { - "type": "fax", - "number": "646 555-4567" - } - ], - "gender": { - "type": "male" + "name": "mongodb-sink", + "config": { + "connector.class": "at.grahsl.kafka.connect.mongodb.MongoDbSinkConnector", + "tasks.max": 1, + "topics": "connect-custom", + "mongodb.connection.uri": "mongodb://mongo-db/test?retryWrites=true", + "mongodb.collection": "MyCollection", + "key.converter": "org.apache.kafka.connect.json.JsonConverter", + "key.converter.schemas.enable": false, + "value.converter": "org.apache.kafka.connect.json.JsonConverter", + "value.converter.schemas.enable": false } } diff --git a/libraries-data/src/main/kafka-connect/04_Custom/connect-mqtt-source.json b/libraries-data/src/main/kafka-connect/04_Custom/connect-mqtt-source.json index 02d87c5ad7..c76d326c0a 100644 --- a/libraries-data/src/main/kafka-connect/04_Custom/connect-mqtt-source.json +++ b/libraries-data/src/main/kafka-connect/04_Custom/connect-mqtt-source.json @@ -3,9 +3,11 @@ "config": { "connector.class": "io.confluent.connect.mqtt.MqttSourceConnector", "tasks.max": 1, - "mqtt.server.uri": "ws://broker.hivemq.com:8000/mqtt", + "mqtt.server.uri": "tcp://mosquitto:1883", "mqtt.topics": "baeldung", "kafka.topic": "connect-custom", - "value.converter": "org.apache.kafka.connect.converters.ByteArrayConverter" + "value.converter": "org.apache.kafka.connect.converters.ByteArrayConverter", + "confluent.topic.bootstrap.servers": "kafka:9092", + "confluent.topic.replication.factor": 1 } -} +} \ No newline at end of file diff --git a/libraries-data/src/main/kafka-connect/04_Custom/docker-compose.yaml b/libraries-data/src/main/kafka-connect/04_Custom/docker-compose.yaml new file mode 100644 index 0000000000..26cd653335 --- /dev/null +++ b/libraries-data/src/main/kafka-connect/04_Custom/docker-compose.yaml @@ -0,0 +1,94 @@ +version: '3.3' + +services: + mosquitto: + image: eclipse-mosquitto:1.5.5 + hostname: mosquitto + container_name: mosquitto + expose: + - "1883" + ports: + - "1883:1883" + zookeeper: + image: zookeeper:3.4.9 + restart: unless-stopped + hostname: zookeeper + container_name: zookeeper + ports: + - "2181:2181" + environment: + ZOO_MY_ID: 1 + ZOO_PORT: 2181 + ZOO_SERVERS: server.1=zookeeper:2888:3888 + volumes: + - ./zookeeper/data:/data + - ./zookeeper/datalog:/datalog + kafka: + image: confluentinc/cp-kafka:5.1.0 + hostname: kafka + container_name: kafka + ports: + - "9092:9092" + environment: + KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT + KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:9092,PLAINTEXT_HOST://localhost:29092 + KAFKA_ZOOKEEPER_CONNECT: "zookeeper:2181" + KAFKA_BROKER_ID: 1 + KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1 + volumes: + - ./kafka/data:/var/lib/kafka/data + depends_on: + - zookeeper + kafka-connect: + image: confluentinc/cp-kafka-connect:5.1.0 + hostname: kafka-connect + container_name: kafka-connect + ports: + - "8083:8083" + environment: + CONNECT_BOOTSTRAP_SERVERS: "kafka:9092" + CONNECT_REST_ADVERTISED_HOST_NAME: connect + CONNECT_REST_PORT: 8083 + CONNECT_GROUP_ID: compose-connect-group + CONNECT_CONFIG_STORAGE_TOPIC: docker-connect-configs + CONNECT_OFFSET_STORAGE_TOPIC: docker-connect-offsets + CONNECT_STATUS_STORAGE_TOPIC: docker-connect-status + CONNECT_KEY_CONVERTER: org.apache.kafka.connect.json.JsonConverter + CONNECT_VALUE_CONVERTER: org.apache.kafka.connect.json.JsonConverter + CONNECT_INTERNAL_KEY_CONVERTER: "org.apache.kafka.connect.json.JsonConverter" + CONNECT_INTERNAL_VALUE_CONVERTER: "org.apache.kafka.connect.json.JsonConverter" + CONNECT_CONFIG_STORAGE_REPLICATION_FACTOR: "1" + CONNECT_OFFSET_STORAGE_REPLICATION_FACTOR: "1" + CONNECT_STATUS_STORAGE_REPLICATION_FACTOR: "1" + CONNECT_PLUGIN_PATH: '/usr/share/java,/etc/kafka-connect/jars' + CONNECT_CONFLUENT_TOPIC_REPLICATION_FACTOR: 1 + volumes: + - /tmp/custom/jars:/etc/kafka-connect/jars + depends_on: + - zookeeper + - kafka + - mosquitto + mongo-db: + image: mongo:4.0.5 + hostname: mongo-db + container_name: mongo-db + expose: + - "27017" + ports: + - "27017:27017" + command: --bind_ip_all --smallfiles + volumes: + - ./mongo-db:/data + mongoclient: + image: mongoclient/mongoclient:2.2.0 + container_name: mongoclient + hostname: mongoclient + depends_on: + - mongo-db + ports: + - 3000:3000 + environment: + MONGO_URL: "mongodb://mongo-db:27017" + PORT: 3000 + expose: + - "3000" \ No newline at end of file diff --git a/libraries/log4j.properties b/libraries/log4j.properties index 2173c5d96f..ed367509d1 100644 --- a/libraries/log4j.properties +++ b/libraries/log4j.properties @@ -1 +1,5 @@ log4j.rootLogger=INFO, stdout +log4j.appender.stdout=org.apache.log4j.ConsoleAppender +log4j.appender.stdout.Target=System.out +log4j.appender.stdout.layout=org.apache.log4j.PatternLayout +log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n \ No newline at end of file diff --git a/libraries/pom.xml b/libraries/pom.xml index c7ef64bc59..301fa86c8d 100644 --- a/libraries/pom.xml +++ b/libraries/pom.xml @@ -675,6 +675,30 @@ ${mockftpserver.version} test + + + org.igniterealtime.smack + smack-tcp + ${smack.version} + + + + org.igniterealtime.smack + smack-im + ${smack.version} + + + + org.igniterealtime.smack + smack-extensions + ${smack.version} + + + + org.igniterealtime.smack + smack-java7 + ${smack.version} + @@ -896,6 +920,7 @@ 1.1.0 2.7.1 3.6 + 4.3.1 diff --git a/libraries/src/main/java/com/baeldung/smack/StanzaThread.java b/libraries/src/main/java/com/baeldung/smack/StanzaThread.java new file mode 100644 index 0000000000..72db258164 --- /dev/null +++ b/libraries/src/main/java/com/baeldung/smack/StanzaThread.java @@ -0,0 +1,40 @@ +package com.baeldung.smack; + +import org.jivesoftware.smack.AbstractXMPPConnection; +import org.jivesoftware.smack.chat2.Chat; +import org.jivesoftware.smack.chat2.ChatManager; +import org.jivesoftware.smack.tcp.XMPPTCPConnection; +import org.jivesoftware.smack.tcp.XMPPTCPConnectionConfiguration; +import org.jxmpp.jid.impl.JidCreate; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class StanzaThread implements Runnable { + + private Logger logger = LoggerFactory.getLogger(StanzaThread.class); + + @Override + public void run() { + XMPPTCPConnectionConfiguration config = null; + try { + config = XMPPTCPConnectionConfiguration.builder() + .setUsernameAndPassword("baeldung2","baeldung2") + .setXmppDomain("jabb3r.org") + .setHost("jabb3r.org") + .build(); + + AbstractXMPPConnection connection = new XMPPTCPConnection(config); + connection.connect(); + connection.login(); + + ChatManager chatManager = ChatManager.getInstanceFor(connection); + + Chat chat = chatManager.chatWith(JidCreate.from("baeldung@jabb3r.org").asEntityBareJidOrThrow()); + + chat.send("Hello!"); + + } catch (Exception e) { + logger.error(e.getMessage(), e); + } + } +} diff --git a/libraries/src/test/java/com/baeldung/smack/SmackIntegrationTest.java b/libraries/src/test/java/com/baeldung/smack/SmackIntegrationTest.java new file mode 100644 index 0000000000..1e5e36ce24 --- /dev/null +++ b/libraries/src/test/java/com/baeldung/smack/SmackIntegrationTest.java @@ -0,0 +1,85 @@ +package com.baeldung.smack; + +import org.jivesoftware.smack.AbstractXMPPConnection; +import org.jivesoftware.smack.SmackException; +import org.jivesoftware.smack.XMPPException; +import org.jivesoftware.smack.chat2.ChatManager; +import org.jivesoftware.smack.filter.StanzaTypeFilter; +import org.jivesoftware.smack.packet.Message; +import org.jivesoftware.smack.tcp.XMPPTCPConnection; +import org.jivesoftware.smack.tcp.XMPPTCPConnectionConfiguration; +import org.junit.Assert; +import org.junit.BeforeClass; +import org.junit.Test; +import org.jxmpp.stringprep.XmppStringprepException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.util.concurrent.CountDownLatch; + +public class SmackIntegrationTest { + + private static AbstractXMPPConnection connection; + private Logger logger = LoggerFactory.getLogger(SmackIntegrationTest.class); + + @BeforeClass + public static void setup() throws IOException, InterruptedException, XMPPException, SmackException { + + XMPPTCPConnectionConfiguration config = XMPPTCPConnectionConfiguration.builder() + .setUsernameAndPassword("baeldung","baeldung") + .setXmppDomain("jabb3r.org") + .setHost("jabb3r.org") + .build(); + + XMPPTCPConnectionConfiguration config2 = XMPPTCPConnectionConfiguration.builder() + .setUsernameAndPassword("baeldung2","baeldung2") + .setXmppDomain("jabb3r.org") + .setHost("jabb3r.org") + .build(); + + connection = new XMPPTCPConnection(config); + connection.connect(); + connection.login(); + + } + + @Test + public void whenSendMessageWithChat_thenReceiveMessage() throws XmppStringprepException, InterruptedException { + + CountDownLatch latch = new CountDownLatch(1); + ChatManager chatManager = ChatManager.getInstanceFor(connection); + final String[] expected = {null}; + + new StanzaThread().run(); + + chatManager.addIncomingListener((entityBareJid, message, chat) -> { + logger.info("Message arrived: " + message.getBody()); + expected[0] = message.getBody(); + latch.countDown(); + }); + + latch.await(); + Assert.assertEquals("Hello!", expected[0]); + } + + @Test + public void whenSendMessage_thenReceiveMessageWithFilter() throws XmppStringprepException, InterruptedException { + + CountDownLatch latch = new CountDownLatch(1); + final String[] expected = {null}; + + new StanzaThread().run(); + + connection.addAsyncStanzaListener(stanza -> { + if (stanza instanceof Message) { + Message message = (Message) stanza; + expected[0] = message.getBody(); + latch.countDown(); + } + }, StanzaTypeFilter.MESSAGE); + + latch.await(); + Assert.assertEquals("Hello!", expected[0]); + } +} diff --git a/lombok-custom/README.md b/lombok-custom/README.md new file mode 100644 index 0000000000..bfc784ea7e --- /dev/null +++ b/lombok-custom/README.md @@ -0,0 +1,3 @@ +## Relevant articles: + +- [Implementing a Custom Lombok Annotation](https://www.baeldung.com/lombok-custom-annotation) diff --git a/mustache/pom.xml b/mustache/pom.xml index a276dfbf43..1b89997996 100644 --- a/mustache/pom.xml +++ b/mustache/pom.xml @@ -7,10 +7,10 @@ mustache - parent-boot-1 + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT - ../parent-boot-1 + ../parent-boot-2 @@ -30,6 +30,11 @@ log4j ${log4j.version} + + + org.springframework.boot + spring-boot-starter-web + org.springframework.boot diff --git a/mustache/src/main/resources/application.properties b/mustache/src/main/resources/application.properties index e69de29bb2..011bbae980 100644 --- a/mustache/src/main/resources/application.properties +++ b/mustache/src/main/resources/application.properties @@ -0,0 +1 @@ +spring.mustache.suffix:.html \ No newline at end of file diff --git a/parent-java/pom.xml b/parent-java/pom.xml index 86be34d508..8f603b2d09 100644 --- a/parent-java/pom.xml +++ b/parent-java/pom.xml @@ -24,7 +24,7 @@ - 22.0 + 23.0 - \ No newline at end of file + diff --git a/parent-spring-5/pom.xml b/parent-spring-5/pom.xml index 6a15f38884..51a2c1fd1f 100644 --- a/parent-spring-5/pom.xml +++ b/parent-spring-5/pom.xml @@ -29,11 +29,11 @@ - 5.0.6.RELEASE + 5.1.2.RELEASE 5.0.2 2.9.6 2.9.6 - 5.0.6.RELEASE + 5.1.2.RELEASE \ No newline at end of file diff --git a/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AbstractFactory.java b/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AbstractFactory.java index 5b4bf08006..88e819c066 100644 --- a/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AbstractFactory.java +++ b/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AbstractFactory.java @@ -1,6 +1,5 @@ package com.baeldung.creational.abstractfactory; -public interface AbstractFactory { - Animal getAnimal(String toyType) ; - Color getColor(String colorType); +public interface AbstractFactory { + T create(String type) ; } \ No newline at end of file diff --git a/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AbstractPatternDriver.java b/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AbstractPatternDriver.java index 68759d5aff..c1501091c5 100644 --- a/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AbstractPatternDriver.java +++ b/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AbstractPatternDriver.java @@ -6,10 +6,10 @@ public class AbstractPatternDriver { //creating a brown toy dog abstractFactory = FactoryProvider.getFactory("Toy"); - Animal toy = abstractFactory.getAnimal("Dog"); + Animal toy =(Animal) abstractFactory.create("Dog"); abstractFactory = FactoryProvider.getFactory("Color"); - Color color = abstractFactory.getColor("Brown"); + Color color =(Color) abstractFactory.create("Brown"); String result = "A " + toy.getType() + " with " + color.getColor() + " color " + toy.makeSound(); diff --git a/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AnimalFactory.java b/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AnimalFactory.java index bbc3eb7a82..4b46261571 100644 --- a/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AnimalFactory.java +++ b/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/AnimalFactory.java @@ -1,9 +1,9 @@ package com.baeldung.creational.abstractfactory; -public class AnimalFactory implements AbstractFactory { +public class AnimalFactory implements AbstractFactory { @Override - public Animal getAnimal(String animalType) { + public Animal create(String animalType) { if ("Dog".equalsIgnoreCase(animalType)) { return new Dog(); } else if ("Duck".equalsIgnoreCase(animalType)) { @@ -13,9 +13,4 @@ public class AnimalFactory implements AbstractFactory { return null; } - @Override - public Color getColor(String color) { - throw new UnsupportedOperationException(); - } - } diff --git a/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/ColorFactory.java b/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/ColorFactory.java index 8b7e4f8086..3d9c5c18a3 100644 --- a/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/ColorFactory.java +++ b/patterns/design-patterns/src/main/java/com/baeldung/creational/abstractfactory/ColorFactory.java @@ -1,9 +1,9 @@ package com.baeldung.creational.abstractfactory; -public class ColorFactory implements AbstractFactory { +public class ColorFactory implements AbstractFactory { @Override - public Color getColor(String colorType) { + public Color create(String colorType) { if ("Brown".equalsIgnoreCase(colorType)) { return new Brown(); } else if ("White".equalsIgnoreCase(colorType)) { @@ -13,9 +13,4 @@ public class ColorFactory implements AbstractFactory { return null; } - @Override - public Animal getAnimal(String toyType) { - throw new UnsupportedOperationException(); - } - } diff --git a/patterns/design-patterns/src/test/java/com/baeldung/creational/abstractfactory/AbstractPatternIntegrationTest.java b/patterns/design-patterns/src/test/java/com/baeldung/creational/abstractfactory/AbstractPatternIntegrationTest.java index 6d1a4ad8fd..4f02249a4b 100644 --- a/patterns/design-patterns/src/test/java/com/baeldung/creational/abstractfactory/AbstractPatternIntegrationTest.java +++ b/patterns/design-patterns/src/test/java/com/baeldung/creational/abstractfactory/AbstractPatternIntegrationTest.java @@ -11,10 +11,10 @@ public class AbstractPatternIntegrationTest { //creating a brown toy dog abstractFactory = FactoryProvider.getFactory("Toy"); - Animal toy = abstractFactory.getAnimal("Dog"); + Animal toy = (Animal) abstractFactory.create("Dog"); abstractFactory = FactoryProvider.getFactory("Color"); - Color color = abstractFactory.getColor("Brown"); + Color color =(Color) abstractFactory.create("Brown"); String result = "A " + toy.getType() + " with " + color.getColor() + " color " + toy.makeSound(); assertEquals("A Dog with brown color Barks", result); diff --git a/persistence-modules/hibernate5/README.md b/persistence-modules/hibernate5/README.md index b6e112b5fc..03bdd9b759 100644 --- a/persistence-modules/hibernate5/README.md +++ b/persistence-modules/hibernate5/README.md @@ -21,3 +21,11 @@ - [Custom Types in Hibernate](https://www.baeldung.com/hibernate-custom-types) - [Criteria API – An Example of IN Expressions](https://www.baeldung.com/jpa-criteria-api-in-expressions) - [Difference Between @JoinColumn and mappedBy](https://www.baeldung.com/jpa-joincolumn-vs-mappedby) +- [Hibernate 5 Bootstrapping API](https://www.baeldung.com/hibernate-5-bootstrapping-api) +- [Criteria Queries Using JPA Metamodel](https://www.baeldung.com/hibernate-criteria-queries-metamodel) +- [Guide to the Hibernate EntityManager](https://www.baeldung.com/hibernate-entitymanager) +- [Get All Data from a Table with Hibernate](https://www.baeldung.com/hibernate-select-all) +- [One-to-One Relationship in JPA](https://www.baeldung.com/jpa-one-to-one) +- [Hibernate Named Query](https://www.baeldung.com/hibernate-named-query) +- [Using c3p0 with Hibernate](https://www.baeldung.com/hibernate-c3p0) +- [Persist a JSON Object Using Hibernate](https://www.baeldung.com/hibernate-persist-json-object) diff --git a/persistence-modules/hibernate5/pom.xml b/persistence-modules/hibernate5/pom.xml index 9bfea14d30..af94025a73 100644 --- a/persistence-modules/hibernate5/pom.xml +++ b/persistence-modules/hibernate5/pom.xml @@ -72,7 +72,6 @@ org.hibernate hibernate-jpamodelgen ${hibernate.version} - provided diff --git a/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/criteriaquery/HibernateUtil.java b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/criteriaquery/HibernateUtil.java index 0d11ea1567..35cfe55ba6 100644 --- a/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/criteriaquery/HibernateUtil.java +++ b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/criteriaquery/HibernateUtil.java @@ -35,7 +35,6 @@ public class HibernateUtil { Metadata metadata = metadataSources.getMetadataBuilder() .applyBasicType(LocalDateStringType.INSTANCE) .build(); - return metadata.getSessionFactoryBuilder().build(); } catch (IOException ex) { throw new ExceptionInInitializerError(ex); diff --git a/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/EntityWithNoId.java b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/EntityWithNoId.java new file mode 100644 index 0000000000..989fa1281a --- /dev/null +++ b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/EntityWithNoId.java @@ -0,0 +1,16 @@ +package com.baeldung.hibernate.exception; + +import javax.persistence.Entity; + +@Entity +public class EntityWithNoId { + private int id; + + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } +} diff --git a/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/HibernateUtil.java b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/HibernateUtil.java new file mode 100644 index 0000000000..ae5174ac9c --- /dev/null +++ b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/HibernateUtil.java @@ -0,0 +1,63 @@ +package com.baeldung.hibernate.exception; + +import java.io.FileInputStream; +import java.io.IOException; +import java.net.URL; +import java.util.Properties; + +import org.apache.commons.lang3.StringUtils; +import org.hibernate.SessionFactory; +import org.hibernate.boot.Metadata; +import org.hibernate.boot.MetadataSources; +import org.hibernate.boot.registry.StandardServiceRegistryBuilder; +import org.hibernate.service.ServiceRegistry; + +public class HibernateUtil { + private static SessionFactory sessionFactory; + private static String PROPERTY_FILE_NAME; + + public static SessionFactory getSessionFactory() throws IOException { + return getSessionFactory(null); + } + + public static SessionFactory getSessionFactory(String propertyFileName) + throws IOException { + PROPERTY_FILE_NAME = propertyFileName; + if (sessionFactory == null) { + ServiceRegistry serviceRegistry = configureServiceRegistry(); + sessionFactory = makeSessionFactory(serviceRegistry); + } + return sessionFactory; + } + + private static SessionFactory makeSessionFactory( + ServiceRegistry serviceRegistry) { + MetadataSources metadataSources = new MetadataSources(serviceRegistry); + metadataSources.addAnnotatedClass(Product.class); + Metadata metadata = metadataSources.getMetadataBuilder() + .build(); + return metadata.getSessionFactoryBuilder() + .build(); + + } + + private static ServiceRegistry configureServiceRegistry() + throws IOException { + Properties properties = getProperties(); + return new StandardServiceRegistryBuilder().applySettings(properties) + .build(); + } + + private static Properties getProperties() throws IOException { + Properties properties = new Properties(); + URL propertiesURL = Thread.currentThread() + .getContextClassLoader() + .getResource(StringUtils.defaultString(PROPERTY_FILE_NAME, + "hibernate-exception.properties")); + try (FileInputStream inputStream = new FileInputStream( + propertiesURL.getFile())) { + properties.load(inputStream); + } + return properties; + } +} \ No newline at end of file diff --git a/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/Product.java b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/Product.java new file mode 100644 index 0000000000..031fa38de0 --- /dev/null +++ b/persistence-modules/hibernate5/src/main/java/com/baeldung/hibernate/exception/Product.java @@ -0,0 +1,40 @@ +package com.baeldung.hibernate.exception; + +import javax.persistence.Column; +import javax.persistence.Entity; +import javax.persistence.Id; + +@Entity +public class Product { + + private int id; + + private String name; + private String description; + + @Id + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + @Column(nullable=false) + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public String getDescription() { + return description; + } + + public void setDescription(String description) { + this.description = description; + } +} diff --git a/persistence-modules/hibernate5/src/test/java/com/baeldung/hibernate/exception/HibernateExceptionUnitTest.java b/persistence-modules/hibernate5/src/test/java/com/baeldung/hibernate/exception/HibernateExceptionUnitTest.java new file mode 100644 index 0000000000..3581c81daa --- /dev/null +++ b/persistence-modules/hibernate5/src/test/java/com/baeldung/hibernate/exception/HibernateExceptionUnitTest.java @@ -0,0 +1,425 @@ +package com.baeldung.hibernate.exception; + +import static org.hamcrest.CoreMatchers.isA; +import static org.junit.Assert.assertNotNull; + +import java.io.IOException; +import java.util.List; + +import javax.persistence.OptimisticLockException; +import javax.persistence.PersistenceException; + +import org.hibernate.AnnotationException; +import org.hibernate.HibernateException; +import org.hibernate.MappingException; +import org.hibernate.NonUniqueObjectException; +import org.hibernate.PropertyValueException; +import org.hibernate.Session; +import org.hibernate.SessionFactory; +import org.hibernate.StaleObjectStateException; +import org.hibernate.StaleStateException; +import org.hibernate.Transaction; +import org.hibernate.TransactionException; +import org.hibernate.cfg.AvailableSettings; +import org.hibernate.cfg.Configuration; +import org.hibernate.exception.ConstraintViolationException; +import org.hibernate.exception.DataException; +import org.hibernate.exception.SQLGrammarException; +import org.hibernate.query.NativeQuery; +import org.hibernate.tool.schema.spi.CommandAcceptanceException; +import org.hibernate.tool.schema.spi.SchemaManagementException; +import org.junit.Before; +import org.junit.Rule; +import org.junit.Test; +import org.junit.rules.ExpectedException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class HibernateExceptionUnitTest { + + private static final Logger logger = LoggerFactory + .getLogger(HibernateExceptionUnitTest.class); + private SessionFactory sessionFactory; + + @Before + public void setUp() throws IOException { + sessionFactory = HibernateUtil.getSessionFactory(); + } + + @Rule + public ExpectedException thrown = ExpectedException.none(); + + private Configuration getConfiguration() { + Configuration cfg = new Configuration(); + cfg.setProperty(AvailableSettings.DIALECT, + "org.hibernate.dialect.H2Dialect"); + cfg.setProperty(AvailableSettings.HBM2DDL_AUTO, "none"); + cfg.setProperty(AvailableSettings.DRIVER, "org.h2.Driver"); + cfg.setProperty(AvailableSettings.URL, + "jdbc:h2:mem:myexceptiondb2;DB_CLOSE_DELAY=-1"); + cfg.setProperty(AvailableSettings.USER, "sa"); + cfg.setProperty(AvailableSettings.PASS, ""); + return cfg; + } + + @Test + public void whenQueryExecutedWithUnmappedEntity_thenMappingException() { + thrown.expectCause(isA(MappingException.class)); + thrown.expectMessage("Unknown entity: java.lang.String"); + + Session session = sessionFactory.openSession(); + NativeQuery query = session + .createNativeQuery("select name from PRODUCT", String.class); + query.getResultList(); + } + + @Test + @SuppressWarnings("rawtypes") + public void whenQueryExecuted_thenOK() { + Session session = sessionFactory.openSession(); + NativeQuery query = session + .createNativeQuery("select name from PRODUCT"); + List results = query.getResultList(); + assertNotNull(results); + } + + @Test + public void givenEntityWithoutId_whenSessionFactoryCreated_thenAnnotationException() { + thrown.expect(AnnotationException.class); + thrown.expectMessage("No identifier specified for entity"); + + Configuration cfg = getConfiguration(); + cfg.addAnnotatedClass(EntityWithNoId.class); + cfg.buildSessionFactory(); + } + + @Test + public void givenMissingTable_whenSchemaValidated_thenSchemaManagementException() { + thrown.expect(SchemaManagementException.class); + thrown.expectMessage("Schema-validation: missing table"); + + Configuration cfg = getConfiguration(); + cfg.setProperty(AvailableSettings.HBM2DDL_AUTO, "validate"); + cfg.addAnnotatedClass(Product.class); + cfg.buildSessionFactory(); + } + + @Test + public void whenWrongDialectSpecified_thenCommandAcceptanceException() { + thrown.expect(SchemaManagementException.class); + thrown.expectCause(isA(CommandAcceptanceException.class)); + thrown.expectMessage("Halting on error : Error executing DDL"); + + Configuration cfg = getConfiguration(); + cfg.setProperty(AvailableSettings.DIALECT, + "org.hibernate.dialect.MySQLDialect"); + cfg.setProperty(AvailableSettings.HBM2DDL_AUTO, "update"); + + // This does not work due to hibernate bug + // cfg.setProperty(AvailableSettings.HBM2DDL_HALT_ON_ERROR,"true"); + cfg.getProperties() + .put(AvailableSettings.HBM2DDL_HALT_ON_ERROR, true); + + cfg.addAnnotatedClass(Product.class); + cfg.buildSessionFactory(); + } + + @Test + public void givenMissingTable_whenEntitySaved_thenSQLGrammarException() { + thrown.expect(isA(PersistenceException.class)); + thrown.expectCause(isA(SQLGrammarException.class)); + thrown + .expectMessage("SQLGrammarException: could not prepare statement"); + + Configuration cfg = getConfiguration(); + cfg.addAnnotatedClass(Product.class); + + SessionFactory sessionFactory = cfg.buildSessionFactory(); + Session session = null; + Transaction transaction = null; + try { + + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + Product product = new Product(); + product.setId(1); + product.setName("Product 1"); + session.save(product); + transaction.commit(); + } catch (Exception e) { + rollbackTransactionQuietly(transaction); + throw (e); + } finally { + closeSessionQuietly(session); + closeSessionFactoryQuietly(sessionFactory); + } + } + + @Test + public void givenMissingTable_whenQueryExecuted_thenSQLGrammarException() { + thrown.expect(isA(PersistenceException.class)); + thrown.expectCause(isA(SQLGrammarException.class)); + thrown + .expectMessage("SQLGrammarException: could not prepare statement"); + + Session session = sessionFactory.openSession(); + NativeQuery query = session.createNativeQuery( + "select * from NON_EXISTING_TABLE", Product.class); + query.getResultList(); + } + + @Test + public void whenDuplicateIdSaved_thenConstraintViolationException() { + thrown.expect(isA(PersistenceException.class)); + thrown.expectCause(isA(ConstraintViolationException.class)); + thrown.expectMessage( + "ConstraintViolationException: could not execute statement"); + + Session session = null; + Transaction transaction = null; + + for (int i = 1; i <= 2; i++) { + try { + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + Product product = new Product(); + product.setId(1); + product.setName("Product " + i); + session.save(product); + transaction.commit(); + } catch (Exception e) { + rollbackTransactionQuietly(transaction); + throw (e); + } finally { + closeSessionQuietly(session); + } + } + } + + @Test + public void givenNotNullPropertyNotSet_whenEntityIdSaved_thenPropertyValueException() { + thrown.expect(isA(PropertyValueException.class)); + thrown.expectMessage( + "not-null property references a null or transient value"); + + Session session = null; + Transaction transaction = null; + + try { + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + + Product product = new Product(); + product.setId(1); + session.save(product); + transaction.commit(); + } catch (Exception e) { + rollbackTransactionQuietly(transaction); + throw (e); + } finally { + closeSessionQuietly(session); + } + + } + + @Test + public void givenQueryWithDataTypeMismatch_WhenQueryExecuted_thenDataException() { + thrown.expectCause(isA(DataException.class)); + thrown.expectMessage( + "org.hibernate.exception.DataException: could not prepare statement"); + + Session session = sessionFactory.openSession(); + NativeQuery query = session.createNativeQuery( + "select * from PRODUCT where id='wrongTypeId'", Product.class); + query.getResultList(); + } + + @Test + public void givenSessionContainingAnId_whenIdAssociatedAgain_thenNonUniqueObjectException() { + thrown.expect(isA(NonUniqueObjectException.class)); + thrown.expectMessage( + "A different object with the same identifier value was already associated with the session"); + + Session session = null; + Transaction transaction = null; + + try { + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + + Product product1 = new Product(); + product1.setId(1); + product1.setName("Product 1"); + session.save(product1); + + Product product2 = new Product(); + product2.setId(1); + product2.setName("Product 2"); + session.save(product2); + + transaction.commit(); + } catch (Exception e) { + rollbackTransactionQuietly(transaction); + throw (e); + } finally { + closeSessionQuietly(session); + } + } + + @Test + public void whenDeletingADeletedObject_thenOptimisticLockException() { + thrown.expect(isA(OptimisticLockException.class)); + thrown.expectMessage( + "Batch update returned unexpected row count from update"); + thrown.expectCause(isA(StaleStateException.class)); + + Session session = null; + Transaction transaction = null; + + try { + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + + Product product1 = new Product(); + product1.setId(12); + product1.setName("Product 12"); + session.save(product1); + transaction.commit(); + session.close(); + + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + Product product2 = session.get(Product.class, 12); + session.createNativeQuery("delete from Product where id=12") + .executeUpdate(); + // We need to refresh to fix the error. + // session.refresh(product2); + session.delete(product2); + transaction.commit(); + } catch (Exception e) { + rollbackTransactionQuietly(transaction); + throw (e); + } finally { + closeSessionQuietly(session); + } + } + + @Test + public void whenUpdatingNonExistingObject_thenStaleStateException() { + thrown.expect(isA(OptimisticLockException.class)); + thrown + .expectMessage("Row was updated or deleted by another transaction"); + thrown.expectCause(isA(StaleObjectStateException.class)); + + Session session = null; + Transaction transaction = null; + + try { + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + + Product product1 = new Product(); + product1.setId(15); + product1.setName("Product1"); + session.update(product1); + transaction.commit(); + } catch (Exception e) { + rollbackTransactionQuietly(transaction); + throw (e); + } finally { + closeSessionQuietly(session); + } + } + + @Test + public void givenTxnMarkedRollbackOnly_whenCommitted_thenTransactionException() { + thrown.expect(isA(TransactionException.class)); + + Session session = null; + Transaction transaction = null; + try { + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + + Product product1 = new Product(); + product1.setId(15); + product1.setName("Product1"); + session.save(product1); + transaction.setRollbackOnly(); + + transaction.commit(); + } catch (Exception e) { + rollbackTransactionQuietly(transaction); + throw (e); + } finally { + closeSessionQuietly(session); + } + } + + private void rollbackTransactionQuietly(Transaction transaction) { + if (transaction != null && transaction.isActive()) { + try { + transaction.rollback(); + } catch (Exception e) { + logger.error("Exception while rolling back transaction", e); + } + } + } + + private void closeSessionQuietly(Session session) { + if (session != null) { + try { + session.close(); + } catch (Exception e) { + logger.error("Exception while closing session", e); + } + } + } + + private void closeSessionFactoryQuietly(SessionFactory sessionFactory) { + if (sessionFactory != null) { + try { + sessionFactory.close(); + } catch (Exception e) { + logger.error("Exception while closing sessionFactory", e); + } + } + } + + @Test + public void givenExistingEntity_whenIdUpdated_thenHibernateException() { + thrown.expect(isA(PersistenceException.class)); + thrown.expectCause(isA(HibernateException.class)); + thrown.expectMessage( + "identifier of an instance of com.baeldung.hibernate.exception.Product was altered"); + + Session session = null; + Transaction transaction = null; + + try { + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + + Product product1 = new Product(); + product1.setId(222); + product1.setName("Product 222"); + session.save(product1); + transaction.commit(); + closeSessionQuietly(session); + + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + + Product product2 = session.get(Product.class, 222); + product2.setId(333); + session.save(product2); + + transaction.commit(); + } catch (Exception e) { + rollbackTransactionQuietly(transaction); + throw (e); + } finally { + closeSessionQuietly(session); + } + } +} diff --git a/persistence-modules/hibernate5/src/test/resources/hibernate-exception.properties b/persistence-modules/hibernate5/src/test/resources/hibernate-exception.properties new file mode 100644 index 0000000000..e08a23166d --- /dev/null +++ b/persistence-modules/hibernate5/src/test/resources/hibernate-exception.properties @@ -0,0 +1,16 @@ +hibernate.connection.driver_class=org.h2.Driver +hibernate.connection.url=jdbc:h2:mem:myexceptiondb1;DB_CLOSE_DELAY=-1 +hibernate.connection.username=sa +hibernate.connection.autocommit=true +jdbc.password= + +hibernate.dialect=org.hibernate.dialect.H2Dialect +hibernate.show_sql=true +hibernate.hbm2ddl.auto=create-drop + +hibernate.c3p0.min_size=5 +hibernate.c3p0.max_size=20 +hibernate.c3p0.acquire_increment=5 +hibernate.c3p0.timeout=1800 + +hibernate.transaction.factory_class=org.hibernate.transaction.JTATransactionFactory diff --git a/persistence-modules/java-jpa/README.md b/persistence-modules/java-jpa/README.md index 9a90216519..2eea5e60b4 100644 --- a/persistence-modules/java-jpa/README.md +++ b/persistence-modules/java-jpa/README.md @@ -2,4 +2,5 @@ - [A Guide to SqlResultSetMapping](http://www.baeldung.com/jpa-sql-resultset-mapping) - [A Guide to Stored Procedures with JPA](http://www.baeldung.com/jpa-stored-procedures) -- [Fixing the JPA error “java.lang.String cannot be cast to [Ljava.lang.String;”](https://www.baeldung.com/jpa-error-java-lang-string-cannot-be-cast) +- [Fixing the JPA error “java.lang.String cannot be cast to Ljava.lang.String;”](https://www.baeldung.com/jpa-error-java-lang-string-cannot-be-cast) +- [JPA Entity Graph](https://www.baeldung.com/jpa-entity-graph) diff --git a/persistence-modules/java-jpa/pom.xml b/persistence-modules/java-jpa/pom.xml index ddab51a2e2..fa47d6bd9c 100644 --- a/persistence-modules/java-jpa/pom.xml +++ b/persistence-modules/java-jpa/pom.xml @@ -4,8 +4,8 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 java-jpa - java-jpa - + java-jpa + parent-modules com.baeldung @@ -24,10 +24,34 @@ h2 ${h2.version} + + + + javax.persistence + javax.persistence-api + 2.2 + + + + + org.eclipse.persistence + eclipselink + ${eclipselink.version} + runtime + + + org.postgresql + postgresql + ${postgres.version} + runtime + - 5.3.1.Final + 5.4.0.Final 1.4.197 + 2.7.4-RC1 + 42.2.5 + \ No newline at end of file diff --git a/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/DateTimeEntityRepository.java b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/DateTimeEntityRepository.java new file mode 100644 index 0000000000..0bd04da221 --- /dev/null +++ b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/DateTimeEntityRepository.java @@ -0,0 +1,68 @@ +package com.baeldung.jpa.datetime; + +import javax.persistence.EntityManager; +import javax.persistence.EntityManagerFactory; +import javax.persistence.Persistence; +import java.sql.Date; +import java.sql.Time; +import java.sql.Timestamp; +import java.time.*; +import java.util.Calendar; + +public class DateTimeEntityRepository { + private EntityManagerFactory emf = null; + + public DateTimeEntityRepository() { + emf = Persistence.createEntityManagerFactory("java8-datetime-postgresql"); + } + + public JPA22DateTimeEntity find(Long id) { + EntityManager entityManager = emf.createEntityManager(); + + JPA22DateTimeEntity dateTimeTypes = entityManager.find(JPA22DateTimeEntity.class, id); + + entityManager.close(); + return dateTimeTypes; + } + + public void save(Long id) { + JPA22DateTimeEntity dateTimeTypes = new JPA22DateTimeEntity(); + dateTimeTypes.setId(id); + + //java.sql types: date/time + dateTimeTypes.setSqlTime(Time.valueOf(LocalTime.now())); + dateTimeTypes.setSqlDate(Date.valueOf(LocalDate.now())); + dateTimeTypes.setSqlTimestamp(Timestamp.valueOf(LocalDateTime.now())); + + //java.util types: date/calendar + java.util.Date date = new java.util.Date(); + dateTimeTypes.setUtilTime(date); + dateTimeTypes.setUtilDate(date); + dateTimeTypes.setUtilTimestamp(date); + + //Calendar + Calendar calendar = Calendar.getInstance(); + dateTimeTypes.setCalendarTime(calendar); + dateTimeTypes.setCalendarDate(calendar); + dateTimeTypes.setCalendarTimestamp(calendar); + + //java.time types + dateTimeTypes.setLocalTime(LocalTime.now()); + dateTimeTypes.setLocalDate(LocalDate.now()); + dateTimeTypes.setLocalDateTime(LocalDateTime.now()); + + //java.time types with offset + dateTimeTypes.setOffsetTime(OffsetTime.now()); + dateTimeTypes.setOffsetDateTime(OffsetDateTime.now()); + + EntityManager entityManager = emf.createEntityManager(); + entityManager.getTransaction().begin(); + entityManager.persist(dateTimeTypes); + entityManager.getTransaction().commit(); + entityManager.close(); + } + + public void clean() { + emf.close(); + } +} diff --git a/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/JPA22DateTimeEntity.java b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/JPA22DateTimeEntity.java new file mode 100644 index 0000000000..065385bd86 --- /dev/null +++ b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/JPA22DateTimeEntity.java @@ -0,0 +1,176 @@ +package com.baeldung.jpa.datetime; + +import javax.persistence.*; +import java.sql.Date; +import java.sql.Time; +import java.sql.Timestamp; +import java.time.*; +import java.util.Calendar; + +@Entity +public class JPA22DateTimeEntity { + + @Id + private Long id; + + //java.sql types + private Time sqlTime; + private Date sqlDate; + private Timestamp sqlTimestamp; + + //java.util types + @Temporal(TemporalType.TIME) + private java.util.Date utilTime; + + @Temporal(TemporalType.DATE) + private java.util.Date utilDate; + + @Temporal(TemporalType.TIMESTAMP) + private java.util.Date utilTimestamp; + + //Calendar + @Temporal(TemporalType.TIME) + private Calendar calendarTime; + + @Temporal(TemporalType.DATE) + private Calendar calendarDate; + + @Temporal(TemporalType.TIMESTAMP) + private Calendar calendarTimestamp; + + // java.time types + @Column(name = "local_time", columnDefinition = "TIME") + private LocalTime localTime; + + @Column(name = "local_date", columnDefinition = "DATE") + private LocalDate localDate; + + @Column(name = "local_date_time", columnDefinition = "TIMESTAMP") + private LocalDateTime localDateTime; + + @Column(name = "offset_time", columnDefinition = "TIME WITH TIME ZONE") + private OffsetTime offsetTime; + + @Column(name = "offset_date_time", columnDefinition = "TIMESTAMP WITH TIME ZONE") + private OffsetDateTime offsetDateTime; + + public Long getId() { + return id; + } + + public void setId(Long id) { + this.id = id; + } + + public Time getSqlTime() { + return sqlTime; + } + + public void setSqlTime(Time sqlTime) { + this.sqlTime = sqlTime; + } + + public Date getSqlDate() { + return sqlDate; + } + + public void setSqlDate(Date sqlDate) { + this.sqlDate = sqlDate; + } + + public Timestamp getSqlTimestamp() { + return sqlTimestamp; + } + + public void setSqlTimestamp(Timestamp sqlTimestamp) { + this.sqlTimestamp = sqlTimestamp; + } + + public java.util.Date getUtilTime() { + return utilTime; + } + + public void setUtilTime(java.util.Date utilTime) { + this.utilTime = utilTime; + } + + public java.util.Date getUtilDate() { + return utilDate; + } + + public void setUtilDate(java.util.Date utilDate) { + this.utilDate = utilDate; + } + + public java.util.Date getUtilTimestamp() { + return utilTimestamp; + } + + public void setUtilTimestamp(java.util.Date utilTimestamp) { + this.utilTimestamp = utilTimestamp; + } + + public Calendar getCalendarTime() { + return calendarTime; + } + + public void setCalendarTime(Calendar calendarTime) { + this.calendarTime = calendarTime; + } + + public Calendar getCalendarDate() { + return calendarDate; + } + + public void setCalendarDate(Calendar calendarDate) { + this.calendarDate = calendarDate; + } + + public Calendar getCalendarTimestamp() { + return calendarTimestamp; + } + + public void setCalendarTimestamp(Calendar calendarTimestamp) { + this.calendarTimestamp = calendarTimestamp; + } + + public LocalTime getLocalTime() { + return localTime; + } + + public void setLocalTime(LocalTime localTime) { + this.localTime = localTime; + } + + public LocalDate getLocalDate() { + return localDate; + } + + public void setLocalDate(LocalDate localDate) { + this.localDate = localDate; + } + + public LocalDateTime getLocalDateTime() { + return localDateTime; + } + + public void setLocalDateTime(LocalDateTime localDateTime) { + this.localDateTime = localDateTime; + } + + public OffsetTime getOffsetTime() { + return offsetTime; + } + + public void setOffsetTime(OffsetTime offsetTime) { + this.offsetTime = offsetTime; + } + + public OffsetDateTime getOffsetDateTime() { + return offsetDateTime; + } + + public void setOffsetDateTime(OffsetDateTime offsetDateTime) { + this.offsetDateTime = offsetDateTime; + } +} diff --git a/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/MainApp.java b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/MainApp.java new file mode 100644 index 0000000000..7f23f44254 --- /dev/null +++ b/persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/datetime/MainApp.java @@ -0,0 +1,18 @@ +package com.baeldung.jpa.datetime; + +public class MainApp { + + public static void main(String... args) { + + DateTimeEntityRepository dateTimeEntityRepository = new DateTimeEntityRepository(); + + //Persist + dateTimeEntityRepository.save(100L); + + //Find + JPA22DateTimeEntity dateTimeEntity = dateTimeEntityRepository.find(100L); + + dateTimeEntityRepository.clean(); + } + +} \ No newline at end of file diff --git a/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml b/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml index 433d456cc9..8592fce533 100644 --- a/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml +++ b/persistence-modules/java-jpa/src/main/resources/META-INF/persistence.xml @@ -2,12 +2,14 @@ + http://xmlns.jcp.org/xml/ns/persistence/persistence_2_2.xsd" + version="2.2"> org.hibernate.jpa.HibernatePersistenceProvider com.baeldung.sqlresultsetmapping.ScheduledDay + com.baeldung.sqlresultsetmapping.Employee + true org.hibernate.jpa.HibernatePersistenceProvider com.baeldung.jpa.stringcast.Message + true @@ -39,6 +42,7 @@ org.hibernate.jpa.HibernatePersistenceProvider com.baeldung.jpa.model.Car + true @@ -66,4 +70,22 @@ + + org.eclipse.persistence.jpa.PersistenceProvider + com.baeldung.jpa.datetime.JPA22DateTimeEntity + true + + + + + + + + + + + + + + \ No newline at end of file diff --git a/persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/util/LocalDateConverter.java b/persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/util/LocalDateConverter.java new file mode 100644 index 0000000000..00fd378b05 --- /dev/null +++ b/persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/util/LocalDateConverter.java @@ -0,0 +1,25 @@ +package com.baeldung.util; + +import javax.persistence.AttributeConverter; +import javax.persistence.Converter; +import java.sql.Date; +import java.time.LocalDate; +import java.util.Optional; + +@Converter(autoApply = true) +public class LocalDateConverter implements AttributeConverter { + + @Override + public Date convertToDatabaseColumn(LocalDate localDate) { + return Optional.ofNullable(localDate) + .map(Date::valueOf) + .orElse(null); + } + + @Override + public LocalDate convertToEntityAttribute(Date date) { + return Optional.ofNullable(date) + .map(Date::toLocalDate) + .orElse(null); + } +} \ No newline at end of file diff --git a/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/ElasticSearchManualTest.java b/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/ElasticSearchManualTest.java index fbf4e5ab99..e43dcdf43e 100644 --- a/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/ElasticSearchManualTest.java +++ b/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/ElasticSearchManualTest.java @@ -30,6 +30,13 @@ import org.junit.Test; import com.alibaba.fastjson.JSON; +/** + * + * This Manual test requires: + * * Elasticsearch instance running on host + * * with cluster name = elasticsearch + * + */ public class ElasticSearchManualTest { private List listOfPersons = new ArrayList<>(); private Client client = null; diff --git a/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/GeoQueriesIntegrationTest.java b/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/GeoQueriesManualTest.java similarity index 97% rename from persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/GeoQueriesIntegrationTest.java rename to persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/GeoQueriesManualTest.java index 1f55379418..f9a42050b6 100644 --- a/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/GeoQueriesIntegrationTest.java +++ b/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/GeoQueriesManualTest.java @@ -31,9 +31,17 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import com.baeldung.spring.data.es.config.Config; import com.vividsolutions.jts.geom.Coordinate; +/** + * + * This Manual test requires: + * * Elasticsearch instance running on host + * * with cluster name = elasticsearch + * * and further configurations + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = Config.class) -public class GeoQueriesIntegrationTest { +public class GeoQueriesManualTest { private static final String WONDERS_OF_WORLD = "wonders-of-world"; private static final String WONDERS = "Wonders"; diff --git a/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchIntegrationTest.java b/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchManualTest.java similarity index 97% rename from persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchIntegrationTest.java rename to persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchManualTest.java index 6ecb11cdbe..bed2e2ff25 100644 --- a/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchIntegrationTest.java +++ b/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchManualTest.java @@ -27,9 +27,16 @@ import com.baeldung.spring.data.es.model.Article; import com.baeldung.spring.data.es.model.Author; import com.baeldung.spring.data.es.service.ArticleService; +/** + * + * This Manual test requires: + * * Elasticsearch instance running on host + * * with cluster name = elasticsearch + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = Config.class) -public class ElasticSearchIntegrationTest { +public class ElasticSearchManualTest { @Autowired private ElasticsearchTemplate elasticsearchTemplate; diff --git a/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchQueryIntegrationTest.java b/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchQueryManualTest.java similarity index 98% rename from persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchQueryIntegrationTest.java rename to persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchQueryManualTest.java index 2348c49830..5e24d8398c 100644 --- a/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchQueryIntegrationTest.java +++ b/persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchQueryManualTest.java @@ -41,9 +41,16 @@ import com.baeldung.spring.data.es.model.Article; import com.baeldung.spring.data.es.model.Author; import com.baeldung.spring.data.es.service.ArticleService; +/** + * + * This Manual test requires: + * * Elasticsearch instance running on host + * * with cluster name = elasticsearch + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = Config.class) -public class ElasticSearchQueryIntegrationTest { +public class ElasticSearchQueryManualTest { @Autowired private ElasticsearchTemplate elasticsearchTemplate; diff --git a/persistence-modules/spring-data-elasticsearch/src/test/java/org/baeldung/SpringContextIntegrationTest.java b/persistence-modules/spring-data-elasticsearch/src/test/java/org/baeldung/SpringContextManualTest.java similarity index 77% rename from persistence-modules/spring-data-elasticsearch/src/test/java/org/baeldung/SpringContextIntegrationTest.java rename to persistence-modules/spring-data-elasticsearch/src/test/java/org/baeldung/SpringContextManualTest.java index 6f45039c96..c6f095eae9 100644 --- a/persistence-modules/spring-data-elasticsearch/src/test/java/org/baeldung/SpringContextIntegrationTest.java +++ b/persistence-modules/spring-data-elasticsearch/src/test/java/org/baeldung/SpringContextManualTest.java @@ -7,9 +7,15 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import com.baeldung.spring.data.es.config.Config; +/** + * + * This Manual test requires: + * * Elasticsearch instance running on host + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = Config.class) -public class SpringContextIntegrationTest { +public class SpringContextManualTest { @Test public void whenSpringContextIsBootstrapped_thenNoExceptions() { diff --git a/persistence-modules/spring-data-jpa/README.md b/persistence-modules/spring-data-jpa/README.md index e240ae6d33..976a692699 100644 --- a/persistence-modules/spring-data-jpa/README.md +++ b/persistence-modules/spring-data-jpa/README.md @@ -17,6 +17,8 @@ - [Spring Data – CrudRepository save() Method](https://www.baeldung.com/spring-data-crud-repository-save) - [Limiting Query Results with JPA and Spring Data JPA](https://www.baeldung.com/jpa-limit-query-results) - [Sorting Query Results with Spring Data](https://www.baeldung.com/spring-data-sorting) +- [INSERT Statement in JPA](https://www.baeldung.com/jpa-insert) +- [Pagination and Sorting using Spring Data JPA](https://www.baeldung.com/spring-data-jpa-pagination-sorting) ### Eclipse Config After importing the project into Eclipse, you may see the following error: diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/InsertRepository.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/InsertRepository.java deleted file mode 100644 index 6a74e067fe..0000000000 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/InsertRepository.java +++ /dev/null @@ -1,5 +0,0 @@ -package com.baeldung.dao.repositories; - -public interface InsertRepository { - void insert(S entity); -} diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonEntityManagerInsertRepository.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonEntityManagerInsertRepository.java deleted file mode 100644 index 6d3cbb07df..0000000000 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonEntityManagerInsertRepository.java +++ /dev/null @@ -1,7 +0,0 @@ -package com.baeldung.dao.repositories; - -import com.baeldung.domain.Person; - -public interface PersonEntityManagerInsertRepository { - void insert(Person person); -} diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonEntityManagerRepository.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonEntityManagerRepository.java deleted file mode 100644 index cbf3d59620..0000000000 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonEntityManagerRepository.java +++ /dev/null @@ -1,10 +0,0 @@ -package com.baeldung.dao.repositories; - -import com.baeldung.domain.Person; -import org.springframework.data.jpa.repository.JpaRepository; -import org.springframework.stereotype.Repository; - -@Repository -public interface PersonEntityManagerRepository extends JpaRepository, PersonEntityManagerInsertRepository { - -} diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonQueryInsertRepository.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonQueryInsertRepository.java deleted file mode 100644 index be01e9883a..0000000000 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonQueryInsertRepository.java +++ /dev/null @@ -1,7 +0,0 @@ -package com.baeldung.dao.repositories; - -import com.baeldung.domain.Person; - -public interface PersonQueryInsertRepository { - void insert(Person person); -} diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonQueryRepository.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonQueryRepository.java deleted file mode 100644 index 1516c38443..0000000000 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/PersonQueryRepository.java +++ /dev/null @@ -1,16 +0,0 @@ -package com.baeldung.dao.repositories; - -import com.baeldung.domain.Person; -import org.springframework.data.jpa.repository.JpaRepository; -import org.springframework.data.jpa.repository.Modifying; -import org.springframework.data.jpa.repository.Query; -import org.springframework.data.repository.query.Param; -import org.springframework.stereotype.Repository; - -@Repository -public interface PersonQueryRepository extends JpaRepository, PersonQueryInsertRepository { - - @Modifying - @Query(value = "INSERT INTO person (id, first_name, last_name) VALUES (:id,:firstName,:lastName)", nativeQuery = true) - void insertWithAnnotation(@Param("id") Long id, @Param("firstName") String firstName, @Param("lastName") String lastName); -} diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonEntityManagerInsertRepositoryImpl.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonEntityManagerInsertRepositoryImpl.java deleted file mode 100644 index c14cc44125..0000000000 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonEntityManagerInsertRepositoryImpl.java +++ /dev/null @@ -1,21 +0,0 @@ -package com.baeldung.dao.repositories.impl; - -import com.baeldung.dao.repositories.PersonEntityManagerInsertRepository; -import com.baeldung.domain.Person; -import org.springframework.transaction.annotation.Transactional; - -import javax.persistence.EntityManager; -import javax.persistence.PersistenceContext; - -@Transactional -public class PersonEntityManagerInsertRepositoryImpl implements PersonEntityManagerInsertRepository { - - @PersistenceContext - private EntityManager entityManager; - - @Override - public void insert(Person person) { - this.entityManager.persist(person); - } -} - diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonQueryInsertRepositoryImpl.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonInsertRepository.java similarity index 60% rename from persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonQueryInsertRepositoryImpl.java rename to persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonInsertRepository.java index 341db1615d..d809385456 100644 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonQueryInsertRepositoryImpl.java +++ b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/impl/PersonInsertRepository.java @@ -1,24 +1,30 @@ package com.baeldung.dao.repositories.impl; -import com.baeldung.dao.repositories.PersonQueryInsertRepository; import com.baeldung.domain.Person; +import org.springframework.stereotype.Repository; import javax.persistence.EntityManager; import javax.persistence.PersistenceContext; import javax.transaction.Transactional; -@Transactional -public class PersonQueryInsertRepositoryImpl implements PersonQueryInsertRepository { +@Repository +public class PersonInsertRepository { @PersistenceContext private EntityManager entityManager; - @Override - public void insert(Person person) { - entityManager.createNativeQuery("INSERT INTO person (id,first_name, last_name) VALUES (?,?,?)") + @Transactional + public void insertWithQuery(Person person) { + entityManager.createNativeQuery("INSERT INTO person (id, first_name, last_name) VALUES (?,?,?)") .setParameter(1, person.getId()) .setParameter(2, person.getFirstName()) .setParameter(3, person.getLastName()) .executeUpdate(); } + + @Transactional + public void insertWithEntityManager(Person person) { + this.entityManager.persist(person); + } + } diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepository.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepository.java index 5bb0232e4a..7f54254832 100644 --- a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepository.java +++ b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepository.java @@ -1,6 +1,7 @@ package com.baeldung.dao.repositories.user; import com.baeldung.domain.user.User; + import org.springframework.data.domain.Page; import org.springframework.data.domain.Pageable; import org.springframework.data.domain.Sort; @@ -13,7 +14,7 @@ import java.util.Collection; import java.util.List; import java.util.stream.Stream; -public interface UserRepository extends JpaRepository { +public interface UserRepository extends JpaRepository , UserRepositoryCustom{ Stream findAllByName(String name); diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepositoryCustom.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepositoryCustom.java new file mode 100644 index 0000000000..72c1fd5d00 --- /dev/null +++ b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepositoryCustom.java @@ -0,0 +1,10 @@ +package com.baeldung.dao.repositories.user; + +import java.util.List; +import java.util.Set; + +import com.baeldung.domain.user.User; + +public interface UserRepositoryCustom { + List findUserByEmails(Set emails); +} diff --git a/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepositoryCustomImpl.java b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepositoryCustomImpl.java new file mode 100644 index 0000000000..9f841caf68 --- /dev/null +++ b/persistence-modules/spring-data-jpa/src/main/java/com/baeldung/dao/repositories/user/UserRepositoryCustomImpl.java @@ -0,0 +1,43 @@ +package com.baeldung.dao.repositories.user; + +import java.util.ArrayList; +import java.util.List; +import java.util.Set; + +import javax.persistence.EntityManager; +import javax.persistence.PersistenceContext; +import javax.persistence.criteria.CriteriaBuilder; +import javax.persistence.criteria.CriteriaQuery; +import javax.persistence.criteria.Path; +import javax.persistence.criteria.Predicate; +import javax.persistence.criteria.Root; + +import com.baeldung.domain.user.User; + +public class UserRepositoryCustomImpl implements UserRepositoryCustom { + + @PersistenceContext + private EntityManager entityManager; + + @Override + public List findUserByEmails(Set emails) { + CriteriaBuilder cb = entityManager.getCriteriaBuilder(); + CriteriaQuery query = cb.createQuery(User.class); + Root user = query.from(User.class); + + Path emailPath = user.get("email"); + + List predicates = new ArrayList<>(); + for (String email : emails) { + + predicates.add(cb.like(emailPath, email)); + + } + query.select(user) + .where(cb.or(predicates.toArray(new Predicate[predicates.size()]))); + + return entityManager.createQuery(query) + .getResultList(); + } + +} diff --git a/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/PersonInsertRepositoryIntegrationTest.java b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/PersonInsertRepositoryIntegrationTest.java index 476554f6d6..b248cf8bf1 100644 --- a/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/PersonInsertRepositoryIntegrationTest.java +++ b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/PersonInsertRepositoryIntegrationTest.java @@ -1,21 +1,24 @@ package com.baeldung.dao.repositories; +import com.baeldung.dao.repositories.impl.PersonInsertRepository; import com.baeldung.domain.Person; import org.junit.Test; -import org.junit.jupiter.api.BeforeEach; import org.junit.runner.RunWith; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest; -import org.springframework.dao.DataIntegrityViolationException; +import org.springframework.context.annotation.Import; import org.springframework.test.context.junit4.SpringRunner; -import java.util.Optional; +import javax.persistence.EntityExistsException; +import javax.persistence.EntityManager; +import javax.persistence.PersistenceException; import static org.assertj.core.api.Assertions.assertThatExceptionOfType; import static org.assertj.core.api.AssertionsForClassTypes.assertThat; @RunWith(SpringRunner.class) @DataJpaTest +@Import(PersonInsertRepository.class) public class PersonInsertRepositoryIntegrationTest { private static final Long ID = 1L; @@ -24,43 +27,23 @@ public class PersonInsertRepositoryIntegrationTest { private static final Person PERSON = new Person(ID, FIRST_NAME, LAST_NAME); @Autowired - private PersonQueryRepository personQueryRepository; + private PersonInsertRepository personInsertRepository; @Autowired - private PersonEntityManagerRepository personEntityManagerRepository; - - @BeforeEach - public void clearDB() { - personQueryRepository.deleteAll(); - } + private EntityManager entityManager; @Test public void givenPersonEntity_whenInsertWithNativeQuery_ThenPersonIsPersisted() { - insertPerson(); + insertWithQuery(); assertPersonPersisted(); } @Test - public void givenPersonEntity_whenInsertedTwiceWithNativeQuery_thenDataIntegrityViolationExceptionIsThrown() { - assertThatExceptionOfType(DataIntegrityViolationException.class).isThrownBy(() -> { - insertPerson(); - insertPerson(); - }); - } - - @Test - public void givenPersonEntity_whenInsertWithQueryAnnotation_thenPersonIsPersisted() { - insertPersonWithQueryAnnotation(); - - assertPersonPersisted(); - } - - @Test - public void givenPersonEntity_whenInsertedTwiceWithQueryAnnotation_thenDataIntegrityViolationExceptionIsThrown() { - assertThatExceptionOfType(DataIntegrityViolationException.class).isThrownBy(() -> { - insertPersonWithQueryAnnotation(); - insertPersonWithQueryAnnotation(); + public void givenPersonEntity_whenInsertedTwiceWithNativeQuery_thenPersistenceExceptionExceptionIsThrown() { + assertThatExceptionOfType(PersistenceException.class).isThrownBy(() -> { + insertWithQuery(); + insertWithQuery(); }); } @@ -72,31 +55,27 @@ public class PersonInsertRepositoryIntegrationTest { } @Test - public void givenPersonEntity_whenInsertedTwiceWithEntityManager_thenDataIntegrityViolationExceptionIsThrown() { - assertThatExceptionOfType(DataIntegrityViolationException.class).isThrownBy(() -> { + public void givenPersonEntity_whenInsertedTwiceWithEntityManager_thenEntityExistsExceptionIsThrown() { + assertThatExceptionOfType(EntityExistsException.class).isThrownBy(() -> { insertPersonWithEntityManager(); insertPersonWithEntityManager(); }); } - private void insertPerson() { - personQueryRepository.insert(PERSON); - } - - private void insertPersonWithQueryAnnotation() { - personQueryRepository.insertWithAnnotation(ID, FIRST_NAME, LAST_NAME); + private void insertWithQuery() { + personInsertRepository.insertWithQuery(PERSON); } private void insertPersonWithEntityManager() { - personEntityManagerRepository.insert(new Person(ID, FIRST_NAME, LAST_NAME)); + personInsertRepository.insertWithEntityManager(new Person(ID, FIRST_NAME, LAST_NAME)); } private void assertPersonPersisted() { - Optional personOptional = personQueryRepository.findById(PERSON.getId()); + Person person = entityManager.find(Person.class, ID); - assertThat(personOptional.isPresent()).isTrue(); - assertThat(personOptional.get().getId()).isEqualTo(PERSON.getId()); - assertThat(personOptional.get().getFirstName()).isEqualTo(PERSON.getFirstName()); - assertThat(personOptional.get().getLastName()).isEqualTo(PERSON.getLastName()); + assertThat(person).isNotNull(); + assertThat(person.getId()).isEqualTo(PERSON.getId()); + assertThat(person.getFirstName()).isEqualTo(PERSON.getFirstName()); + assertThat(person.getLastName()).isEqualTo(PERSON.getLastName()); } } diff --git a/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/UserRepositoryIntegrationTest.java b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/UserRepositoryIntegrationTest.java index e29161394b..b05086d00e 100644 --- a/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/UserRepositoryIntegrationTest.java +++ b/persistence-modules/spring-data-jpa/src/test/java/com/baeldung/dao/repositories/UserRepositoryIntegrationTest.java @@ -18,7 +18,9 @@ import org.springframework.test.context.junit4.SpringRunner; import org.springframework.transaction.annotation.Transactional; import java.util.Collection; +import java.util.HashSet; import java.util.List; +import java.util.Set; import java.util.stream.Stream; import static org.assertj.core.api.Assertions.assertThat; @@ -274,9 +276,8 @@ public class UserRepositoryIntegrationTest { List usersSortByName = userRepository.findAll(new Sort(Sort.Direction.ASC, "name")); - assertThat(usersSortByName - .get(0) - .getName()).isEqualTo(USER_NAME_ADAM); + assertThat(usersSortByName.get(0) + .getName()).isEqualTo(USER_NAME_ADAM); } @Test(expected = PropertyReferenceException.class) @@ -289,9 +290,8 @@ public class UserRepositoryIntegrationTest { List usersSortByNameLength = userRepository.findAll(new Sort("LENGTH(name)")); - assertThat(usersSortByNameLength - .get(0) - .getName()).isEqualTo(USER_NAME_ADAM); + assertThat(usersSortByNameLength.get(0) + .getName()).isEqualTo(USER_NAME_ADAM); } @Test @@ -304,9 +304,8 @@ public class UserRepositoryIntegrationTest { List usersSortByNameLength = userRepository.findAllUsers(JpaSort.unsafe("LENGTH(name)")); - assertThat(usersSortByNameLength - .get(0) - .getName()).isEqualTo(USER_NAME_ADAM); + assertThat(usersSortByNameLength.get(0) + .getName()).isEqualTo(USER_NAME_ADAM); } @Test @@ -320,10 +319,9 @@ public class UserRepositoryIntegrationTest { Page usersPage = userRepository.findAllUsersWithPagination(new PageRequest(1, 3)); - assertThat(usersPage - .getContent() - .get(0) - .getName()).isEqualTo("SAMPLE1"); + assertThat(usersPage.getContent() + .get(0) + .getName()).isEqualTo("SAMPLE1"); } @Test @@ -337,10 +335,9 @@ public class UserRepositoryIntegrationTest { Page usersSortByNameLength = userRepository.findAllUsersWithPaginationNative(new PageRequest(1, 3)); - assertThat(usersSortByNameLength - .getContent() - .get(0) - .getName()).isEqualTo("SAMPLE1"); + assertThat(usersSortByNameLength.getContent() + .get(0) + .getName()).isEqualTo("SAMPLE1"); } @Test @@ -370,6 +367,30 @@ public class UserRepositoryIntegrationTest { assertThat(updatedUsersSize).isEqualTo(2); } + @Test + public void givenUsersInDBWhenFindByEmailsWithDynamicQueryThenReturnCollection() { + + User user1 = new User(); + user1.setEmail(USER_EMAIL); + userRepository.save(user1); + + User user2 = new User(); + user2.setEmail(USER_EMAIL2); + userRepository.save(user2); + + User user3 = new User(); + user3.setEmail(USER_EMAIL3); + userRepository.save(user3); + + Set emails = new HashSet<>(); + emails.add(USER_EMAIL2); + emails.add(USER_EMAIL3); + + Collection usersWithEmails = userRepository.findUserByEmails(emails); + + assertThat(usersWithEmails.size()).isEqualTo(2); + } + @After public void cleanUp() { userRepository.deleteAll(); diff --git a/persistence-modules/spring-data-mongodb/pom.xml b/persistence-modules/spring-data-mongodb/pom.xml index 63b9c3c1b0..c1faf72103 100644 --- a/persistence-modules/spring-data-mongodb/pom.xml +++ b/persistence-modules/spring-data-mongodb/pom.xml @@ -99,7 +99,6 @@ 2.1.2.RELEASE 4.1.4 1.1.3 - 5.1.0.RELEASE 1.9.2 3.2.0.RELEASE diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/aggregation/ZipsAggregationLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/aggregation/ZipsAggregationLiveTest.java index 1da50d7cb4..1002dc79eb 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/aggregation/ZipsAggregationLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/aggregation/ZipsAggregationLiveTest.java @@ -44,6 +44,12 @@ import com.mongodb.MongoClient; import com.mongodb.client.MongoCollection; import com.mongodb.client.MongoDatabase; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class ZipsAggregationLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/gridfs/GridFSLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/gridfs/GridFSLiveTest.java index 3a88a1e654..d25b9ece4f 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/gridfs/GridFSLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/gridfs/GridFSLiveTest.java @@ -31,6 +31,12 @@ import com.mongodb.BasicDBObject; import com.mongodb.DBObject; import com.mongodb.client.gridfs.model.GridFSFile; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @ContextConfiguration("file:src/main/resources/mongoConfig.xml") @RunWith(SpringJUnit4ClassRunner.class) public class GridFSLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/DocumentQueryLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/DocumentQueryLiveTest.java index d05bde0f1b..e5e4a188ec 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/DocumentQueryLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/DocumentQueryLiveTest.java @@ -24,6 +24,12 @@ import com.baeldung.config.MongoConfig; import com.baeldung.model.EmailAddress; import com.baeldung.model.User; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class DocumentQueryLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/MongoTemplateProjectionLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/MongoTemplateProjectionLiveTest.java index 309f14e995..9e12997c67 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/MongoTemplateProjectionLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/MongoTemplateProjectionLiveTest.java @@ -16,6 +16,12 @@ import static org.junit.Assert.assertNotNull; import static org.junit.Assert.assertNull; import static org.junit.Assert.assertTrue; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = SimpleMongoConfig.class) public class MongoTemplateProjectionLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/MongoTemplateQueryLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/MongoTemplateQueryLiveTest.java index fc78921b75..4f62f0d7a7 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/MongoTemplateQueryLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/mongotemplate/MongoTemplateQueryLiveTest.java @@ -27,6 +27,12 @@ import com.baeldung.config.MongoConfig; import com.baeldung.model.EmailAddress; import com.baeldung.model.User; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class MongoTemplateQueryLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/ActionRepositoryLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/ActionRepositoryLiveTest.java index 096015ca0a..79648f1a20 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/ActionRepositoryLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/ActionRepositoryLiveTest.java @@ -15,6 +15,12 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import java.time.ZoneOffset; import java.time.ZonedDateTime; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class ActionRepositoryLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/BaseQueryLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/BaseQueryLiveTest.java index e4849181e5..c94bb2ae4c 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/BaseQueryLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/BaseQueryLiveTest.java @@ -7,6 +7,12 @@ import org.junit.Before; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.mongodb.core.MongoOperations; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ public class BaseQueryLiveTest { @Autowired diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/DSLQueryLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/DSLQueryLiveTest.java index f87ca5cbb5..0ccf677b3e 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/DSLQueryLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/DSLQueryLiveTest.java @@ -15,8 +15,12 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import com.querydsl.core.types.Predicate; - - +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class DSLQueryLiveTest extends BaseQueryLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/JSONQueryLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/JSONQueryLiveTest.java index 4e99c0b140..3a99407350 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/JSONQueryLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/JSONQueryLiveTest.java @@ -12,6 +12,12 @@ import org.junit.runner.RunWith; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class JSONQueryLiveTest extends BaseQueryLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/QueryMethodsLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/QueryMethodsLiveTest.java index 47e67a6b4c..ef8ce10dd1 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/QueryMethodsLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/QueryMethodsLiveTest.java @@ -12,6 +12,12 @@ import org.junit.runner.RunWith; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class QueryMethodsLiveTest extends BaseQueryLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/UserRepositoryLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/UserRepositoryLiveTest.java index 901610e42d..dd7215af7e 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/UserRepositoryLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/UserRepositoryLiveTest.java @@ -23,6 +23,12 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import com.baeldung.config.MongoConfig; import com.baeldung.model.User; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class UserRepositoryLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/UserRepositoryProjectionLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/UserRepositoryProjectionLiveTest.java index 80f4275794..8972246041 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/UserRepositoryProjectionLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/repository/UserRepositoryProjectionLiveTest.java @@ -13,6 +13,12 @@ import org.springframework.data.mongodb.core.MongoOperations; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class UserRepositoryProjectionLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionReactiveLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionReactiveLiveTest.java index 70908552fe..3fc8dcf977 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionReactiveLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionReactiveLiveTest.java @@ -12,6 +12,12 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import com.baeldung.config.MongoReactiveConfig; import com.baeldung.model.User; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoReactiveConfig.class) public class MongoTransactionReactiveLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionTemplateLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionTemplateLiveTest.java index 20ac6974bc..53b2c7a0e7 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionTemplateLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionTemplateLiveTest.java @@ -24,6 +24,12 @@ import org.springframework.transaction.support.TransactionTemplate; import com.baeldung.config.MongoConfig; import com.baeldung.model.User; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) public class MongoTransactionTemplateLiveTest { diff --git a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionalLiveTest.java b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionalLiveTest.java index 0cf86aa43e..bafcd770ec 100644 --- a/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionalLiveTest.java +++ b/persistence-modules/spring-data-mongodb/src/test/java/com/baeldung/transaction/MongoTransactionalLiveTest.java @@ -24,6 +24,12 @@ import com.baeldung.model.User; import com.baeldung.repository.UserRepository; import com.mongodb.MongoCommandException; +/** + * + * This test requires: + * * mongodb instance running on the environment + * + */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = MongoConfig.class) @FixMethodOrder(MethodSorters.NAME_ASCENDING) diff --git a/pom.xml b/pom.xml index a4588bf546..1c0738cafb 100644 --- a/pom.xml +++ b/pom.xml @@ -232,6 +232,7 @@ ${maven-war-plugin.version} + com.vackosar.gitflowincrementalbuilder @@ -379,14 +380,18 @@ core-java-arrays core-java-collections + core-java-collections-list + core-java-concurrency-basic core-java-concurrency-collections core-java-io + core-java-security core-java-lang-syntax core-java-lang core-java-lang-oop core-java-networking core-java-perf core-java-sun + core-java core-scala couchbase custom-pmd @@ -433,7 +438,7 @@ java-collections-conversions java-collections-maps - java-ee-8-security-api + java-lite java-numbers java-rmi @@ -641,6 +646,7 @@ spring-boot-logging-log4j2 spring-boot-mvc spring-boot-ops + spring-boot-rest spring-boot-property-exp spring-boot-security spring-boot-testing @@ -660,6 +666,7 @@ spring-dispatcher-servlet spring-drools + spring-ehcache spring-ejb spring-exceptions @@ -879,6 +886,7 @@ spring-data-rest spring-dispatcher-servlet spring-drools + spring-ehcache spring-freemarker persistence-modules/spring-hibernate-3 persistence-modules/spring-hibernate4 @@ -989,9 +997,8 @@ parent-spring-5 parent-java parent-kotlin - - core-java - core-java-concurrency + + core-java-concurrency-advanced core-kotlin jenkins/hello-world @@ -1089,8 +1096,11 @@ core-java-arrays core-java-collections + core-java-collections-list + core-java-concurrency-basic core-java-concurrency-collections core-java-io + core-java-security core-java-lang-syntax core-java-lang core-java-lang-oop @@ -1347,6 +1357,7 @@ spring-boot-logging-log4j2 spring-boot-mvc spring-boot-ops + spring-boot-rest spring-boot-property-exp spring-boot-security spring-boot-vue @@ -1364,6 +1375,7 @@ spring-dispatcher-servlet spring-drools + spring-ehcache spring-ejb spring-exceptions @@ -1537,7 +1549,7 @@ parent-kotlin core-java - core-java-concurrency + core-java-concurrency-advanced core-kotlin jenkins/hello-world diff --git a/spring-4/README.md b/spring-4/README.md index 402557eb41..57cb8c3eeb 100644 --- a/spring-4/README.md +++ b/spring-4/README.md @@ -1,3 +1,4 @@ ### Relevant Articles: - [A Guide to Flips for Spring](http://www.baeldung.com/flips-spring) - [Configuring a Hikari Connection Pool with Spring Boot](https://www.baeldung.com/spring-boot-hikari) +- [Spring JSON-P with Jackson](http://www.baeldung.com/spring-jackson-jsonp) diff --git a/spring-4/pom.xml b/spring-4/pom.xml index 78939bba95..60f1555d8f 100644 --- a/spring-4/pom.xml +++ b/spring-4/pom.xml @@ -52,6 +52,21 @@ provided + + javax.servlet + jstl + + + + org.springframework.boot + spring-boot-starter-tomcat + provided + + + org.apache.tomcat.embed + tomcat-embed-jasper + provided + @@ -71,6 +86,7 @@ + com.baeldung.flips.ApplicationConfig 1.0.1 1.16.18 1.4.197 diff --git a/spring-4/src/main/java/com/baeldung/flips/ApplicationConfig.java b/spring-4/src/main/java/com/baeldung/flips/ApplicationConfig.java index 7001aeb991..1bd6ffa336 100644 --- a/spring-4/src/main/java/com/baeldung/flips/ApplicationConfig.java +++ b/spring-4/src/main/java/com/baeldung/flips/ApplicationConfig.java @@ -3,9 +3,15 @@ package com.baeldung.flips; import org.flips.describe.config.FlipWebContextConfiguration; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration; +import org.springframework.boot.autoconfigure.jdbc.DataSourceTransactionManagerAutoConfiguration; +import org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration; import org.springframework.context.annotation.Import; -@SpringBootApplication +@SpringBootApplication(exclude = { + DataSourceAutoConfiguration.class, + DataSourceTransactionManagerAutoConfiguration.class, + HibernateJpaAutoConfiguration.class }) @Import(FlipWebContextConfiguration.class) public class ApplicationConfig { diff --git a/spring-4/src/main/java/com/baeldung/jsonp/JsonPApplication.java b/spring-4/src/main/java/com/baeldung/jsonp/JsonPApplication.java new file mode 100644 index 0000000000..a8f3c0e102 --- /dev/null +++ b/spring-4/src/main/java/com/baeldung/jsonp/JsonPApplication.java @@ -0,0 +1,27 @@ +package com.baeldung.jsonp; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration; +import org.springframework.boot.autoconfigure.jdbc.DataSourceTransactionManagerAutoConfiguration; +import org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration; +import org.springframework.boot.builder.SpringApplicationBuilder; +import org.springframework.boot.web.support.SpringBootServletInitializer; +import org.springframework.context.annotation.PropertySource; + +@SpringBootApplication(exclude = { + DataSourceAutoConfiguration.class, + DataSourceTransactionManagerAutoConfiguration.class, + HibernateJpaAutoConfiguration.class }) +@PropertySource("classpath:jsonp-application.properties") +public class JsonPApplication extends SpringBootServletInitializer { + + @Override + protected SpringApplicationBuilder configure(SpringApplicationBuilder application) { + return application.sources(JsonPApplication.class); + } + + public static void main(String[] args) throws Exception { + SpringApplication.run(JsonPApplication.class, args); + } +} diff --git a/spring-4/src/main/java/com/baeldung/jsonp/model/Company.java b/spring-4/src/main/java/com/baeldung/jsonp/model/Company.java new file mode 100644 index 0000000000..b11a216e52 --- /dev/null +++ b/spring-4/src/main/java/com/baeldung/jsonp/model/Company.java @@ -0,0 +1,38 @@ +package com.baeldung.jsonp.model; + +public class Company { + + private long id; + private String name; + + public Company() { + super(); + } + + public Company(final long id, final String name) { + this.id = id; + this.name = name; + } + + public String getName() { + return name; + } + + public void setName(final String name) { + this.name = name; + } + + public long getId() { + return id; + } + + public void setId(final long id) { + this.id = id; + } + + @Override + public String toString() { + return "Company [id=" + id + ", name=" + name + "]"; + } + +} diff --git a/spring-4/src/main/java/com/baeldung/jsonp/web/controller/CompanyController.java b/spring-4/src/main/java/com/baeldung/jsonp/web/controller/CompanyController.java new file mode 100644 index 0000000000..8710359365 --- /dev/null +++ b/spring-4/src/main/java/com/baeldung/jsonp/web/controller/CompanyController.java @@ -0,0 +1,27 @@ +package com.baeldung.jsonp.web.controller; + +import org.springframework.http.HttpStatus; +import org.springframework.http.MediaType; +import org.springframework.http.ResponseEntity; +import org.springframework.stereotype.Controller; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.ResponseBody; + +import com.baeldung.jsonp.model.Company; + +@Controller +public class CompanyController { + + @RequestMapping(value = "/companyResponseBody", produces = MediaType.APPLICATION_JSON_VALUE) + @ResponseBody + public Company getCompanyResponseBody() { + final Company company = new Company(2, "ABC"); + return company; + } + + @RequestMapping(value = "/companyResponseEntity", produces = MediaType.APPLICATION_JSON_VALUE) + public ResponseEntity getCompanyResponseEntity() { + final Company company = new Company(3, "123"); + return new ResponseEntity(company, HttpStatus.OK); + } +} diff --git a/spring-4/src/main/java/com/baeldung/jsonp/web/controller/IndexController.java b/spring-4/src/main/java/com/baeldung/jsonp/web/controller/IndexController.java new file mode 100644 index 0000000000..8469e19458 --- /dev/null +++ b/spring-4/src/main/java/com/baeldung/jsonp/web/controller/IndexController.java @@ -0,0 +1,13 @@ +package com.baeldung.jsonp.web.controller; + +import org.springframework.stereotype.Controller; +import org.springframework.web.bind.annotation.RequestMapping; + +@Controller +public class IndexController { + + @RequestMapping() + public String retrieveIndex() { + return "index"; + } +} diff --git a/spring-mvc-java/src/main/java/com/baeldung/web/controller/advice/JsonpControllerAdvice.java b/spring-4/src/main/java/com/baeldung/jsonp/web/controller/advice/JsonpControllerAdvice.java similarity index 53% rename from spring-mvc-java/src/main/java/com/baeldung/web/controller/advice/JsonpControllerAdvice.java rename to spring-4/src/main/java/com/baeldung/jsonp/web/controller/advice/JsonpControllerAdvice.java index 7b2c6870df..be7c65cb1e 100644 --- a/spring-mvc-java/src/main/java/com/baeldung/web/controller/advice/JsonpControllerAdvice.java +++ b/spring-4/src/main/java/com/baeldung/jsonp/web/controller/advice/JsonpControllerAdvice.java @@ -1,8 +1,11 @@ -package com.baeldung.web.controller.advice; +package com.baeldung.jsonp.web.controller.advice; import org.springframework.web.bind.annotation.ControllerAdvice; import org.springframework.web.servlet.mvc.method.annotation.AbstractJsonpResponseBodyAdvice; +// AbstractJsonpResponseBodyAdvice was deprecated in favor of configuring CORS properly +// We still want to cover the usage of JSON-P in our articles, therefore we don't care that it was deprecated. +@SuppressWarnings("deprecation") @ControllerAdvice public class JsonpControllerAdvice extends AbstractJsonpResponseBodyAdvice { diff --git a/spring-4/src/main/resources/application.properties b/spring-4/src/main/resources/application.properties index 274896be15..e67700b7be 100644 --- a/spring-4/src/main/resources/application.properties +++ b/spring-4/src/main/resources/application.properties @@ -2,4 +2,4 @@ feature.foo.by.id=Y feature.new.foo=Y last.active.after=2018-03-14T00:00:00Z first.active.after=2999-03-15T00:00:00Z -logging.level.org.flips=info \ No newline at end of file +logging.level.org.flips=info diff --git a/spring-4/src/main/resources/jsonp-application.properties b/spring-4/src/main/resources/jsonp-application.properties new file mode 100644 index 0000000000..94e7fcc026 --- /dev/null +++ b/spring-4/src/main/resources/jsonp-application.properties @@ -0,0 +1,2 @@ +spring.mvc.view.prefix=/WEB-INF/jsp/ +spring.mvc.view.suffix=.jsp diff --git a/spring-4/src/main/webapp/WEB-INF/jsp/index.jsp b/spring-4/src/main/webapp/WEB-INF/jsp/index.jsp new file mode 100644 index 0000000000..fa5498c966 --- /dev/null +++ b/spring-4/src/main/webapp/WEB-INF/jsp/index.jsp @@ -0,0 +1,66 @@ +<%@ page language="java" contentType="text/html; charset=ISO-8859-1" + pageEncoding="ISO-8859-1" %> + + + + + Company Data + + + + + + + + +
+ + + + \ No newline at end of file diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/reactive/oauth/Spring5ReactiveOauthApplication.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/reactive/oauth/Spring5ReactiveOauthApplication.java index 602ded6b9e..b95517200e 100644 --- a/spring-5-reactive-oauth/src/main/java/com/baeldung/reactive/oauth/Spring5ReactiveOauthApplication.java +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/reactive/oauth/Spring5ReactiveOauthApplication.java @@ -3,11 +3,13 @@ package com.baeldung.reactive.oauth; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.PropertySource; import org.springframework.security.oauth2.client.registration.ReactiveClientRegistrationRepository; import org.springframework.security.oauth2.client.web.reactive.function.client.ServerOAuth2AuthorizedClientExchangeFilterFunction; import org.springframework.security.oauth2.client.web.server.ServerOAuth2AuthorizedClientRepository; import org.springframework.web.reactive.function.client.WebClient; +@PropertySource("classpath:default-application.yml") @SpringBootApplication public class Spring5ReactiveOauthApplication { diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/OauthClientApplication.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/OauthClientApplication.java new file mode 100644 index 0000000000..843d3f251f --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/OauthClientApplication.java @@ -0,0 +1,24 @@ +package com.baeldung.webclient.authorizationcodeclient; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.PropertySource; + +/** + * + * Note: This app is configured to use the authorization service and the resource service located in Baeldung/spring-security-oauth repo + * + * As we usually do with other well-known auth providers (github/facebook/...) we have to log-in using user credentials (john/123) and client configurations handled by the auth server + * + * @author rozagerardo + * + */ +@PropertySource("classpath:webclient-auth-code-client-application.properties") +@SpringBootApplication +public class OauthClientApplication { + + public static void main(String[] args) { + SpringApplication.run(OauthClientApplication.class, args); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/configuration/WebClientConfig.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/configuration/WebClientConfig.java new file mode 100644 index 0000000000..884a3c145d --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/configuration/WebClientConfig.java @@ -0,0 +1,20 @@ +package com.baeldung.webclient.authorizationcodeclient.configuration; + +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.security.oauth2.client.registration.ReactiveClientRegistrationRepository; +import org.springframework.security.oauth2.client.web.reactive.function.client.ServerOAuth2AuthorizedClientExchangeFilterFunction; +import org.springframework.security.oauth2.client.web.server.ServerOAuth2AuthorizedClientRepository; +import org.springframework.web.reactive.function.client.WebClient; + +@Configuration +public class WebClientConfig { + + @Bean + WebClient webClientForAuthorized(ReactiveClientRegistrationRepository clientRegistrations, ServerOAuth2AuthorizedClientRepository authorizedClients) { + ServerOAuth2AuthorizedClientExchangeFilterFunction oauth = new ServerOAuth2AuthorizedClientExchangeFilterFunction(clientRegistrations, authorizedClients); + return WebClient.builder() + .filter(oauth) + .build(); + } +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/configuration/WebSecurityConfig.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/configuration/WebSecurityConfig.java new file mode 100644 index 0000000000..4271ae96cf --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/configuration/WebSecurityConfig.java @@ -0,0 +1,22 @@ +package com.baeldung.webclient.authorizationcodeclient.configuration; + +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.security.config.web.server.ServerHttpSecurity; +import org.springframework.security.web.server.SecurityWebFilterChain; + +@Configuration +public class WebSecurityConfig { + @Bean + public SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) { + http.authorizeExchange() + .anyExchange() + .authenticated() + .and() + .oauth2Client() + .and() + .formLogin(); + return http.build(); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/web/ClientRestController.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/web/ClientRestController.java new file mode 100644 index 0000000000..9994a1255a --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodeclient/web/ClientRestController.java @@ -0,0 +1,53 @@ +package com.baeldung.webclient.authorizationcodeclient.web; + +import static org.springframework.security.oauth2.client.web.reactive.function.client.ServerOAuth2AuthorizedClientExchangeFilterFunction.clientRegistrationId; +import static org.springframework.security.oauth2.client.web.reactive.function.client.ServerOAuth2AuthorizedClientExchangeFilterFunction.oauth2AuthorizedClient; + +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.security.oauth2.client.OAuth2AuthorizedClient; +import org.springframework.security.oauth2.client.annotation.RegisteredOAuth2AuthorizedClient; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RestController; +import org.springframework.web.reactive.function.client.WebClient; + +import reactor.core.publisher.Mono; + +@RestController +public class ClientRestController { + + private static final String RESOURCE_URI = "http://localhost:8082/spring-security-oauth-resource/foos/1"; + + @Autowired + WebClient webClient; + + @GetMapping("/auth-code") + Mono useOauthWithAuthCode() { + Mono retrievedResource = webClient.get() + .uri(RESOURCE_URI) + .retrieve() + .bodyToMono(String.class); + return retrievedResource.map(string -> "We retrieved the following resource using Oauth: " + string); + } + + @GetMapping("/auth-code-annotated") + Mono useOauthWithAuthCodeAndAnnotation(@RegisteredOAuth2AuthorizedClient("bael") OAuth2AuthorizedClient authorizedClient) { + Mono retrievedResource = webClient.get() + .uri(RESOURCE_URI) + .attributes(oauth2AuthorizedClient(authorizedClient)) + .retrieve() + .bodyToMono(String.class); + return retrievedResource.map(string -> "We retrieved the following resource using Oauth: " + string + ". Principal associated: " + authorizedClient.getPrincipalName() + ". Token will expire at: " + authorizedClient.getAccessToken() + .getExpiresAt()); + } + + @GetMapping("/auth-code-explicit-client") + Mono useOauthWithExpicitClient() { + Mono retrievedResource = webClient.get() + .uri(RESOURCE_URI) + .attributes(clientRegistrationId("bael")) + .retrieve() + .bodyToMono(String.class); + return retrievedResource.map(string -> "We retrieved the following resource using Oauth: " + string); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/OauthClientLoginApplication.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/OauthClientLoginApplication.java new file mode 100644 index 0000000000..e71e549ea4 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/OauthClientLoginApplication.java @@ -0,0 +1,24 @@ +package com.baeldung.webclient.authorizationcodelogin; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.PropertySource; + +/** + * + * Note: This app is configured to use the authorization service and the resource service located in Baeldung/spring-security-oauth repo + * + * As we usually do with other well-known auth providers (github/facebook/...) we have to log-in using user credentials (john/123) and client configurations handled by the auth server + * + * @author rozagerardo + * + */ +@PropertySource("classpath:webclient-auth-code-login-application.properties") +@SpringBootApplication +public class OauthClientLoginApplication { + + public static void main(String[] args) { + SpringApplication.run(OauthClientLoginApplication.class, args); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/configuration/WebClientConfig.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/configuration/WebClientConfig.java new file mode 100644 index 0000000000..15458cc60a --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/configuration/WebClientConfig.java @@ -0,0 +1,31 @@ +package com.baeldung.webclient.authorizationcodelogin.configuration; + +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.context.annotation.Primary; +import org.springframework.security.oauth2.client.registration.ReactiveClientRegistrationRepository; +import org.springframework.security.oauth2.client.web.reactive.function.client.ServerOAuth2AuthorizedClientExchangeFilterFunction; +import org.springframework.security.oauth2.client.web.server.ServerOAuth2AuthorizedClientRepository; +import org.springframework.web.reactive.function.client.WebClient; + +@Configuration +public class WebClientConfig { + + @Bean + @Primary + WebClient webClientForAuthorized(ReactiveClientRegistrationRepository clientRegistrations, ServerOAuth2AuthorizedClientRepository authorizedClients) { + ServerOAuth2AuthorizedClientExchangeFilterFunction oauth = new ServerOAuth2AuthorizedClientExchangeFilterFunction(clientRegistrations, authorizedClients); + oauth.setDefaultOAuth2AuthorizedClient(true); + return WebClient.builder() + .filter(oauth) + .build(); + } + + @Bean + WebClient otherWebClient(ReactiveClientRegistrationRepository clientRegistrations, ServerOAuth2AuthorizedClientRepository authorizedClients) { + ServerOAuth2AuthorizedClientExchangeFilterFunction oauth = new ServerOAuth2AuthorizedClientExchangeFilterFunction(clientRegistrations, authorizedClients); + return WebClient.builder() + .filter(oauth) + .build(); + } +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/configuration/WebSecurityConfig.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/configuration/WebSecurityConfig.java new file mode 100644 index 0000000000..f45fc09222 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/configuration/WebSecurityConfig.java @@ -0,0 +1,20 @@ +package com.baeldung.webclient.authorizationcodelogin.configuration; + +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.security.config.web.server.ServerHttpSecurity; +import org.springframework.security.web.server.SecurityWebFilterChain; + +@Configuration +public class WebSecurityConfig { + @Bean + public SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) { + http.authorizeExchange() + .anyExchange() + .authenticated() + .and() + .oauth2Login(); + return http.build(); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/web/ClientRestController.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/web/ClientRestController.java new file mode 100644 index 0000000000..24e5377f36 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/authorizationcodelogin/web/ClientRestController.java @@ -0,0 +1,68 @@ +package com.baeldung.webclient.authorizationcodelogin.web; + +import static org.springframework.security.oauth2.client.web.reactive.function.client.ServerOAuth2AuthorizedClientExchangeFilterFunction.clientRegistrationId; +import static org.springframework.security.oauth2.client.web.reactive.function.client.ServerOAuth2AuthorizedClientExchangeFilterFunction.oauth2AuthorizedClient; + +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.beans.factory.annotation.Qualifier; +import org.springframework.security.oauth2.client.OAuth2AuthorizedClient; +import org.springframework.security.oauth2.client.annotation.RegisteredOAuth2AuthorizedClient; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RestController; +import org.springframework.web.reactive.function.client.WebClient; + +import reactor.core.publisher.Mono; + +@RestController +public class ClientRestController { + + private static final String RESOURCE_URI = "http://localhost:8082/spring-security-oauth-resource/foos/1"; + + @Autowired + WebClient webClient; + + @Autowired + @Qualifier("otherWebClient") + WebClient otherWebClient; + + @GetMapping("/auth-code") + Mono useOauthWithAuthCode() { + Mono retrievedResource = webClient.get() + .uri(RESOURCE_URI) + .retrieve() + .bodyToMono(String.class); + return retrievedResource.map(string -> "We retrieved the following resource using Oauth: " + string); + } + + @GetMapping("/auth-code-no-client") + Mono useOauthWithNoClient() { + // This call will fail, since we don't have the client properly set for this webClient + Mono retrievedResource = otherWebClient.get() + .uri(RESOURCE_URI) + .retrieve() + .bodyToMono(String.class); + return retrievedResource.map(string -> "We retrieved the following resource using Oauth: " + string); + } + + @GetMapping("/auth-code-annotated") + Mono useOauthWithAuthCodeAndAnnotation(@RegisteredOAuth2AuthorizedClient("bael") OAuth2AuthorizedClient authorizedClient) { + Mono retrievedResource = otherWebClient.get() + .uri(RESOURCE_URI) + .attributes(oauth2AuthorizedClient(authorizedClient)) + .retrieve() + .bodyToMono(String.class); + return retrievedResource.map(string -> "We retrieved the following resource using Oauth: " + string + ". Principal associated: " + authorizedClient.getPrincipalName() + ". Token will expire at: " + authorizedClient.getAccessToken() + .getExpiresAt()); + } + + @GetMapping("/auth-code-explicit-client") + Mono useOauthWithExpicitClient() { + Mono retrievedResource = otherWebClient.get() + .uri(RESOURCE_URI) + .attributes(clientRegistrationId("bael")) + .retrieve() + .bodyToMono(String.class); + return retrievedResource.map(string -> "We retrieved the following resource using Oauth: " + string); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/ClientCredentialsOauthApplication.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/ClientCredentialsOauthApplication.java new file mode 100644 index 0000000000..4356581819 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/ClientCredentialsOauthApplication.java @@ -0,0 +1,24 @@ +package com.baeldung.webclient.clientcredentials; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.PropertySource; +import org.springframework.scheduling.annotation.EnableScheduling; + +/** + * + * Note: This app is configured to use the authorization service and the resource service located in Baeldung/spring-security-oauth repo + * + * @author rozagerardo + * + */ +@PropertySource("classpath:webclient-client-credentials-oauth-application.properties") +@EnableScheduling +@SpringBootApplication +public class ClientCredentialsOauthApplication { + + public static void main(String[] args) { + SpringApplication.run(ClientCredentialsOauthApplication.class, args); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/configuration/WebClientConfig.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/configuration/WebClientConfig.java new file mode 100644 index 0000000000..8ffc92b4cd --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/configuration/WebClientConfig.java @@ -0,0 +1,22 @@ +package com.baeldung.webclient.clientcredentials.configuration; + +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.security.oauth2.client.registration.ReactiveClientRegistrationRepository; +import org.springframework.security.oauth2.client.web.reactive.function.client.ServerOAuth2AuthorizedClientExchangeFilterFunction; +import org.springframework.security.oauth2.client.web.server.UnAuthenticatedServerOAuth2AuthorizedClientRepository; +import org.springframework.web.reactive.function.client.WebClient; + +@Configuration +public class WebClientConfig { + + @Bean + WebClient webClient(ReactiveClientRegistrationRepository clientRegistrations) { + ServerOAuth2AuthorizedClientExchangeFilterFunction oauth = new ServerOAuth2AuthorizedClientExchangeFilterFunction(clientRegistrations, new UnAuthenticatedServerOAuth2AuthorizedClientRepository()); + oauth.setDefaultClientRegistrationId("bael"); + return WebClient.builder() + .filter(oauth) + .build(); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/service/WebClientChonJob.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/service/WebClientChonJob.java new file mode 100644 index 0000000000..ef39222933 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/clientcredentials/service/WebClientChonJob.java @@ -0,0 +1,31 @@ +package com.baeldung.webclient.clientcredentials.service; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.scheduling.annotation.Scheduled; +import org.springframework.stereotype.Component; +import org.springframework.web.reactive.function.client.WebClient; + +@Component +public class WebClientChonJob { + + Logger logger = LoggerFactory.getLogger(WebClientChonJob.class); + + private static final String RESOURCE_URI = "localhost:8082/spring-security-oauth-resource/foos/1"; + + @Autowired + private WebClient webClient; + + @Scheduled(fixedRate = 5000) + public void logResourceServiceResponse() { + + webClient.get() + .uri(RESOURCE_URI) + .retrieve() + .bodyToMono(String.class) + .map(string -> "We retrieved the following resource using Client Credentials Grant Type: " + string) + .subscribe(logger::info); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/ManualRequestApplication.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/ManualRequestApplication.java new file mode 100644 index 0000000000..59a63355f7 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/ManualRequestApplication.java @@ -0,0 +1,22 @@ +package com.baeldung.webclient.manualrequest; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.PropertySource; + +/** + * + * Note: This app is configured to use the authorization service and the resource service located in Baeldung/spring-security-oauth repo + * + * @author rozagerardo + * + */ +@PropertySource("classpath:webclient-manual-request-oauth-application.properties") +@SpringBootApplication +public class ManualRequestApplication { + + public static void main(String[] args) { + SpringApplication.run(ManualRequestApplication.class, args); + } + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/configure/WebClientConfig.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/configure/WebClientConfig.java new file mode 100644 index 0000000000..51fc60821a --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/configure/WebClientConfig.java @@ -0,0 +1,16 @@ +package com.baeldung.webclient.manualrequest.configure; + +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.web.reactive.function.client.WebClient; + +@Configuration +public class WebClientConfig { + + @Bean + public WebClient configureWebClient() { + return WebClient.builder() + .build(); + }; + +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/configure/WebSecurityConfig.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/configure/WebSecurityConfig.java new file mode 100644 index 0000000000..1753681db8 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/configure/WebSecurityConfig.java @@ -0,0 +1,17 @@ +package com.baeldung.webclient.manualrequest.configure; + +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.security.config.web.server.ServerHttpSecurity; +import org.springframework.security.web.server.SecurityWebFilterChain; + +@Configuration +public class WebSecurityConfig { + @Bean + public SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) { + http.authorizeExchange() + .anyExchange() + .permitAll(); + return http.build(); + } +} diff --git a/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/web/ManualOauthRequestController.java b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/web/ManualOauthRequestController.java new file mode 100644 index 0000000000..d54d811032 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/java/com/baeldung/webclient/manualrequest/web/ManualOauthRequestController.java @@ -0,0 +1,63 @@ +package com.baeldung.webclient.manualrequest.web; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.http.HttpHeaders; +import org.springframework.security.oauth2.core.endpoint.OAuth2ParameterNames; +import org.springframework.util.Base64Utils; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RestController; +import org.springframework.web.reactive.function.BodyInserters; +import org.springframework.web.reactive.function.client.WebClient; + +import com.fasterxml.jackson.databind.JsonNode; +import com.nimbusds.oauth2.sdk.GrantType; + +import reactor.core.publisher.Mono; + +@RestController +public class ManualOauthRequestController { + + private static Logger logger = LoggerFactory.getLogger(ManualOauthRequestController.class); + + private static final String RESOURCE_ENDPOINT = "localhost:8082/spring-security-oauth-resource/foos/1"; + + @Value("${the.authorization.client-id}") + private String clientId; + + @Value("${the.authorization.client-secret}") + private String clientSecret; + + @Value("${the.authorization.token-uri}") + private String tokenUri; + + @Autowired + WebClient client; + + @GetMapping("/manual-request-oauth") + public Mono obtainSecuredResource() { + logger.info("Creating web client..."); + Mono resource = client.post() + .uri(tokenUri) + .header(HttpHeaders.AUTHORIZATION, "Basic " + Base64Utils.encodeToString((clientId + ":" + clientSecret).getBytes())) + .body(BodyInserters.fromFormData(OAuth2ParameterNames.GRANT_TYPE, GrantType.CLIENT_CREDENTIALS.getValue())) + .retrieve() + .bodyToMono(JsonNode.class) + .flatMap(tokenResponse -> { + String accessTokenValue = tokenResponse.get("access_token") + .textValue(); + logger.info("Retrieved the following access token: {}", accessTokenValue); + return client.get() + .uri(RESOURCE_ENDPOINT) + .headers(h -> h.setBearerAuth(accessTokenValue)) + .retrieve() + .bodyToMono(String.class); + }); + logger.info("non-blocking Oauth calls registered..."); + return resource.map(res -> "Retrieved the resource using a manual approach: " + res); + + } + +} diff --git a/spring-5-reactive-oauth/src/main/resources/application.yml b/spring-5-reactive-oauth/src/main/resources/application.yml index e35e19b344..bec62fdd33 100644 --- a/spring-5-reactive-oauth/src/main/resources/application.yml +++ b/spring-5-reactive-oauth/src/main/resources/application.yml @@ -1,20 +1,3 @@ -spring: - security: - oauth2: - client: - registration: - google: - client-id: YOUR_APP_CLIENT_ID - client-secret: YOUR_APP_CLIENT_SECRET - custom: - client-id: fooClientIdPassword - client-secret: secret - scopes: read,foo - authorization-grant-type: authorization_code - redirect-uri-template: http://localhost:8080/login/oauth2/code/custom - provider: - custom: - authorization-uri: http://localhost:8081/spring-security-oauth-server/oauth/authorize - token-uri: http://localhost:8081/spring-security-oauth-server/oauth/token - user-info-uri: http://localhost:8088/spring-security-oauth-resource/users/extra - user-name-attribute: user_name \ No newline at end of file +logging: + level: + root: DEBUG \ No newline at end of file diff --git a/spring-5-reactive-oauth/src/main/resources/default-application.yml b/spring-5-reactive-oauth/src/main/resources/default-application.yml new file mode 100644 index 0000000000..e35e19b344 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/resources/default-application.yml @@ -0,0 +1,20 @@ +spring: + security: + oauth2: + client: + registration: + google: + client-id: YOUR_APP_CLIENT_ID + client-secret: YOUR_APP_CLIENT_SECRET + custom: + client-id: fooClientIdPassword + client-secret: secret + scopes: read,foo + authorization-grant-type: authorization_code + redirect-uri-template: http://localhost:8080/login/oauth2/code/custom + provider: + custom: + authorization-uri: http://localhost:8081/spring-security-oauth-server/oauth/authorize + token-uri: http://localhost:8081/spring-security-oauth-server/oauth/token + user-info-uri: http://localhost:8088/spring-security-oauth-resource/users/extra + user-name-attribute: user_name \ No newline at end of file diff --git a/spring-5-reactive-oauth/src/main/resources/webclient-auth-code-client-application.properties b/spring-5-reactive-oauth/src/main/resources/webclient-auth-code-client-application.properties new file mode 100644 index 0000000000..ac96aae6d6 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/resources/webclient-auth-code-client-application.properties @@ -0,0 +1,10 @@ +spring.security.oauth2.client.registration.bael.client-name=bael +spring.security.oauth2.client.registration.bael.client-id=fooClientIdPassword +spring.security.oauth2.client.registration.bael.client-secret=secret +spring.security.oauth2.client.registration.bael.authorization-grant-type=authorization_code +spring.security.oauth2.client.registration.bael.redirect-uri=http://localhost:8080/authorize/oauth2/code/bael + +spring.security.oauth2.client.provider.bael.token-uri=http://localhost:8081/spring-security-oauth-server/oauth/token +spring.security.oauth2.client.provider.bael.authorization-uri=http://localhost:8081/spring-security-oauth-server/oauth/authorize + +spring.security.user.password=pass diff --git a/spring-5-reactive-oauth/src/main/resources/webclient-auth-code-login-application.properties b/spring-5-reactive-oauth/src/main/resources/webclient-auth-code-login-application.properties new file mode 100644 index 0000000000..e4dd0a532d --- /dev/null +++ b/spring-5-reactive-oauth/src/main/resources/webclient-auth-code-login-application.properties @@ -0,0 +1,10 @@ +spring.security.oauth2.client.registration.bael.client-name=bael +spring.security.oauth2.client.registration.bael.client-id=fooClientIdPassword +spring.security.oauth2.client.registration.bael.client-secret=secret +spring.security.oauth2.client.registration.bael.authorization-grant-type=authorization_code +spring.security.oauth2.client.registration.bael.redirect-uri=http://localhost:8080/login/oauth2/code/bael + +spring.security.oauth2.client.provider.bael.token-uri=http://localhost:8081/spring-security-oauth-server/oauth/token +spring.security.oauth2.client.provider.bael.authorization-uri=http://localhost:8081/spring-security-oauth-server/oauth/authorize +spring.security.oauth2.client.provider.bael.user-info-uri=http://localhost:8082/spring-security-oauth-resource/users/extra +spring.security.oauth2.client.provider.bael.user-name-attribute=user_name diff --git a/spring-5-reactive-oauth/src/main/resources/webclient-client-credentials-oauth-application.properties b/spring-5-reactive-oauth/src/main/resources/webclient-client-credentials-oauth-application.properties new file mode 100644 index 0000000000..14c5b97605 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/resources/webclient-client-credentials-oauth-application.properties @@ -0,0 +1,4 @@ +spring.security.oauth2.client.registration.bael.authorization-grant-type=client_credentials +spring.security.oauth2.client.registration.bael.client-id=fooClientIdPassword +spring.security.oauth2.client.registration.bael.client-secret=secret +spring.security.oauth2.client.provider.bael.token-uri=http://localhost:8081/spring-security-oauth-server/oauth/token diff --git a/spring-5-reactive-oauth/src/main/resources/webclient-manual-request-oauth-application.properties b/spring-5-reactive-oauth/src/main/resources/webclient-manual-request-oauth-application.properties new file mode 100644 index 0000000000..36ec3defd1 --- /dev/null +++ b/spring-5-reactive-oauth/src/main/resources/webclient-manual-request-oauth-application.properties @@ -0,0 +1,3 @@ +the.authorization.client-id=fooClientIdPassword +the.authorization.client-secret=secret +the.authorization.token-uri=http://localhost:8081/spring-security-oauth-server/oauth/token diff --git a/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/clientcredentials/OAuth2ClientCredentialsLiveTest.java b/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/clientcredentials/OAuth2ClientCredentialsLiveTest.java new file mode 100644 index 0000000000..ef913ba055 --- /dev/null +++ b/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/clientcredentials/OAuth2ClientCredentialsLiveTest.java @@ -0,0 +1,52 @@ +package com.baeldung.webclient.clientcredentials; + +import static org.assertj.core.api.Assertions.assertThat; + +import java.util.Collection; +import java.util.stream.Collectors; + +import org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.test.context.junit4.SpringRunner; + +import com.baeldung.webclient.clientcredentials.service.WebClientChonJob; +import com.baeldung.webclient.utils.ListAppender; + +import ch.qos.logback.classic.spi.ILoggingEvent; + +/** + * + * Note: this Live test requires the Authorization Service and the Resource service located in the Baeldung/spring-security-oauth repo + * + * @author rozagerardo + * + */ +@RunWith(SpringRunner.class) +@SpringBootTest(classes = { ClientCredentialsOauthApplication.class }) +public class OAuth2ClientCredentialsLiveTest { + + @Autowired + WebClientChonJob service; + + @Before + public void clearLogList() { + ListAppender.clearEventList(); + } + + @Test + public void givenFooWithNullId_whenProcessFoo_thenLogsWithDebugTrace() throws Exception { + service.logResourceServiceResponse(); + + Thread.sleep(3000); + + Collection allLoggedEntries = ListAppender.getEvents() + .stream() + .map(ILoggingEvent::getFormattedMessage) + .collect(Collectors.toList()); + assertThat(allLoggedEntries).anyMatch(entry -> entry.contains("We retrieved the following resource using Client Credentials Grant Type: {\"id\"")); + } + +} diff --git a/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/manualrequest/OAuth2ManualRequestLiveTest.java b/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/manualrequest/OAuth2ManualRequestLiveTest.java new file mode 100644 index 0000000000..2381264926 --- /dev/null +++ b/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/manualrequest/OAuth2ManualRequestLiveTest.java @@ -0,0 +1,44 @@ +package com.baeldung.webclient.manualrequest; + +import org.hamcrest.Matchers; +import org.junit.Before; +import org.junit.Test; +import org.springframework.test.web.reactive.server.WebTestClient; +import org.springframework.test.web.reactive.server.WebTestClient.ResponseSpec; + +/** + * + * Note: this Live test requires not only the corresponding application running, + * but also the Authorization Service and the Resource service located in the Baeldung/spring-security-oauth repo + * + * + * @author ger + * + */ +public class OAuth2ManualRequestLiveTest { + + private static final String BASE_URL = "http://localhost:8080"; + private static final String MANUAL_REQUEST_URI = "/manual-request-oauth"; + + private static WebTestClient client; + + @Before + public void setup() { + client = WebTestClient.bindToServer() + .baseUrl(BASE_URL) + .build(); + } + + @Test + public void whenRequestingDebugHookOn_thenObtainExpectedMessage() { + ResponseSpec response = client.get() + .uri(MANUAL_REQUEST_URI) + .exchange(); + + response.expectStatus() + .isOk() + .expectBody(String.class) + .value(Matchers.containsString("Retrieved the resource using a manual approach: {\"id\"")); + } + +} diff --git a/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/utils/ListAppender.java b/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/utils/ListAppender.java new file mode 100644 index 0000000000..6f8fbe004a --- /dev/null +++ b/spring-5-reactive-oauth/src/test/java/com/baeldung/webclient/utils/ListAppender.java @@ -0,0 +1,25 @@ +package com.baeldung.webclient.utils; + +import java.util.ArrayList; +import java.util.List; + +import ch.qos.logback.classic.spi.ILoggingEvent; +import ch.qos.logback.core.AppenderBase; + +public class ListAppender extends AppenderBase { + + static private List events = new ArrayList<>(); + + @Override + protected void append(ILoggingEvent eventObject) { + events.add(eventObject); + } + + public static List getEvents() { + return events; + } + + public static void clearEventList() { + events.clear(); + } +} \ No newline at end of file diff --git a/spring-5-reactive-oauth/src/test/resources/logback-test.xml b/spring-5-reactive-oauth/src/test/resources/logback-test.xml new file mode 100644 index 0000000000..891c54bfd3 --- /dev/null +++ b/spring-5-reactive-oauth/src/test/resources/logback-test.xml @@ -0,0 +1,16 @@ + + + + + + + + + + + + + \ No newline at end of file diff --git a/spring-5-reactive/README.md b/spring-5-reactive/README.md index 2a4ee017f4..c39bb616f8 100644 --- a/spring-5-reactive/README.md +++ b/spring-5-reactive/README.md @@ -18,3 +18,4 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring - [Validation for Functional Endpoints in Spring 5](https://www.baeldung.com/spring-functional-endpoints-validation) - [Logging a Reactive Sequence](https://www.baeldung.com/spring-reactive-sequence-logging) - [Testing Reactive Streams Using StepVerifier and TestPublisher](https://www.baeldung.com/reactive-streams-step-verifier-test-publisher) +- [Debugging Reactive Streams in Spring 5](https://www.baeldung.com/spring-debugging-reactive-streams) diff --git a/spring-5-security-oauth/README.md b/spring-5-security-oauth/README.md index f13925992b..5a444d4784 100644 --- a/spring-5-security-oauth/README.md +++ b/spring-5-security-oauth/README.md @@ -2,3 +2,4 @@ - [Spring Security 5 -OAuth2 Login](http://www.baeldung.com/spring-security-5-oauth2-login) - [Extracting Principal and Authorities using Spring Security OAuth](https://www.baeldung.com/spring-security-oauth-principal-authorities-extractor) +- [Customizing Authorization and Token Requests with Spring Security 5.1 Client](https://www.baeldung.com/spring-security-custom-oauth-requests) diff --git a/spring-5-security-oauth/src/main/java/com/baeldung/oauth2/SpringOAuthApplication.java b/spring-5-security-oauth/src/main/java/com/baeldung/oauth2/SpringOAuthApplication.java index 557c23b368..1478b03d2e 100644 --- a/spring-5-security-oauth/src/main/java/com/baeldung/oauth2/SpringOAuthApplication.java +++ b/spring-5-security-oauth/src/main/java/com/baeldung/oauth2/SpringOAuthApplication.java @@ -2,7 +2,9 @@ package com.baeldung.oauth2; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.PropertySource; +@PropertySource("classpath:default-application.properties") @SpringBootApplication public class SpringOAuthApplication { diff --git a/spring-5-security-oauth/src/main/java/com/baeldung/oauth2extractors/ExtractorsApplication.java b/spring-5-security-oauth/src/main/java/com/baeldung/oauth2extractors/ExtractorsApplication.java index 6ab4d525bf..174e5b0fdf 100644 --- a/spring-5-security-oauth/src/main/java/com/baeldung/oauth2extractors/ExtractorsApplication.java +++ b/spring-5-security-oauth/src/main/java/com/baeldung/oauth2extractors/ExtractorsApplication.java @@ -3,10 +3,12 @@ package com.baeldung.oauth2extractors; import org.apache.logging.log4j.util.Strings; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.PropertySource; import org.springframework.core.env.AbstractEnvironment; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; +@PropertySource("classpath:default-application.properties") @SpringBootApplication @Controller public class ExtractorsApplication { diff --git a/spring-5-security-oauth/src/main/resources/application.properties b/spring-5-security-oauth/src/main/resources/application.properties index 5912b0f755..c84e745918 100644 --- a/spring-5-security-oauth/src/main/resources/application.properties +++ b/spring-5-security-oauth/src/main/resources/application.properties @@ -1,5 +1,3 @@ -server.port=8081 - logging.level.root=INFO logging.level.com.baeldung.dsl.ClientErrorLoggingFilter=DEBUG \ No newline at end of file diff --git a/spring-5-security-oauth/src/main/resources/default-application.properties b/spring-5-security-oauth/src/main/resources/default-application.properties new file mode 100644 index 0000000000..bafddced85 --- /dev/null +++ b/spring-5-security-oauth/src/main/resources/default-application.properties @@ -0,0 +1 @@ +server.port=8081 \ No newline at end of file diff --git a/spring-amqp-simple/pom.xml b/spring-amqp-simple/pom.xml index 57d84acee6..45cdc066a0 100644 --- a/spring-amqp-simple/pom.xml +++ b/spring-amqp-simple/pom.xml @@ -8,10 +8,10 @@ spring-amqp-simple - parent-boot-1 + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT - ../parent-boot-1 + ../parent-boot-2 diff --git a/spring-amqp-simple/src/main/java/com/baeldung/springamqpsimple/SpringAmqpConfig.java b/spring-amqp-simple/src/main/java/com/baeldung/springamqpsimple/SpringAmqpConfig.java index f6c82b635e..92fa28ed6f 100644 --- a/spring-amqp-simple/src/main/java/com/baeldung/springamqpsimple/SpringAmqpConfig.java +++ b/spring-amqp-simple/src/main/java/com/baeldung/springamqpsimple/SpringAmqpConfig.java @@ -35,7 +35,7 @@ public class SpringAmqpConfig { } @Bean - SimpleMessageListenerContainer container(ConnectionFactory connectionFactory, + SimpleMessageListenerContainer springAmqpContainer(ConnectionFactory connectionFactory, MessageListenerAdapter listenerAdapter) { SimpleMessageListenerContainer container = new SimpleMessageListenerContainer(); container.setConnectionFactory(connectionFactory); diff --git a/spring-amqp-simple/src/main/java/com/baeldung/springamqpsimple/broadcast/BroadcastConfig.java b/spring-amqp-simple/src/main/java/com/baeldung/springamqpsimple/broadcast/BroadcastConfig.java index 1d02b4dad9..868cfff0ac 100644 --- a/spring-amqp-simple/src/main/java/com/baeldung/springamqpsimple/broadcast/BroadcastConfig.java +++ b/spring-amqp-simple/src/main/java/com/baeldung/springamqpsimple/broadcast/BroadcastConfig.java @@ -61,7 +61,7 @@ public class BroadcastConfig { } @Bean - public SimpleRabbitListenerContainerFactory container(ConnectionFactory connectionFactory, SimpleRabbitListenerContainerFactoryConfigurer configurer) { + public SimpleRabbitListenerContainerFactory broadcastContainer(ConnectionFactory connectionFactory, SimpleRabbitListenerContainerFactoryConfigurer configurer) { SimpleRabbitListenerContainerFactory factory = new SimpleRabbitListenerContainerFactory(); configurer.configure(factory, connectionFactory); return factory; diff --git a/spring-amqp-simple/src/test/java/org/baeldung/SpringContextIntegrationTest.java b/spring-amqp-simple/src/test/java/org/baeldung/SpringContextManualTest.java similarity index 90% rename from spring-amqp-simple/src/test/java/org/baeldung/SpringContextIntegrationTest.java rename to spring-amqp-simple/src/test/java/org/baeldung/SpringContextManualTest.java index f134074cf8..03cb34eeb5 100644 --- a/spring-amqp-simple/src/test/java/org/baeldung/SpringContextIntegrationTest.java +++ b/spring-amqp-simple/src/test/java/org/baeldung/SpringContextManualTest.java @@ -9,7 +9,7 @@ import com.baeldung.springamqpsimple.SpringAmqpApplication; @RunWith(SpringRunner.class) @SpringBootTest(classes = SpringAmqpApplication.class) -public class SpringContextIntegrationTest { +public class SpringContextManualTest { @Test public void whenSpringContextIsBootstrapped_thenNoExceptions() { diff --git a/spring-amqp-simple/src/test/resources/application.yaml b/spring-amqp-simple/src/test/resources/application.yaml new file mode 100644 index 0000000000..aa7a91bac5 --- /dev/null +++ b/spring-amqp-simple/src/test/resources/application.yaml @@ -0,0 +1,5 @@ +spring: + rabbitmq: + username: guest + password: guest + host: localhost \ No newline at end of file diff --git a/spring-aop/pom.xml b/spring-aop/pom.xml index 368f3ada14..9e2f97916a 100644 --- a/spring-aop/pom.xml +++ b/spring-aop/pom.xml @@ -6,10 +6,10 @@ spring-aop - parent-boot-1 + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT - ../parent-boot-1 + ../parent-boot-2 diff --git a/spring-boot-bootstrap/pom.xml b/spring-boot-bootstrap/pom.xml index 7cafc5aa24..0ffc1820b8 100644 --- a/spring-boot-bootstrap/pom.xml +++ b/spring-boot-bootstrap/pom.xml @@ -57,6 +57,27 @@ + + beanstalk + + ${project.name}-eb + + + org.springframework.boot + spring-boot-maven-plugin + + + org.apache.maven.plugins + maven-compiler-plugin + + + **/cloud/config/*.java + + + + + + openshift diff --git a/spring-boot-bootstrap/src/main/resources/application-beanstalk.properties b/spring-boot-bootstrap/src/main/resources/application-beanstalk.properties new file mode 100644 index 0000000000..de03a3b5bb --- /dev/null +++ b/spring-boot-bootstrap/src/main/resources/application-beanstalk.properties @@ -0,0 +1,3 @@ +spring.datasource.url=jdbc:mysql://${rds.hostname}:${rds.port}/${rds.db.name} +spring.datasource.username=${rds.username} +spring.datasource.password=${rds.password} \ No newline at end of file diff --git a/spring-boot-ops/README.md b/spring-boot-ops/README.md index c125c96c36..553b02ebf0 100644 --- a/spring-boot-ops/README.md +++ b/spring-boot-ops/README.md @@ -9,4 +9,4 @@ - [Shutdown a Spring Boot Application](http://www.baeldung.com/spring-boot-shutdown) - [Spring Boot Console Application](http://www.baeldung.com/spring-boot-console-app) - [Comparing Embedded Servlet Containers in Spring Boot](http://www.baeldung.com/spring-boot-servlet-containers) - + - [Programmatically Restarting a Spring Boot Application](https://www.baeldung.com/java-restart-spring-boot-app) diff --git a/spring-boot-rest/README.md b/spring-boot-rest/README.md new file mode 100644 index 0000000000..0a8d13cf76 --- /dev/null +++ b/spring-boot-rest/README.md @@ -0,0 +1,3 @@ +Module for the articles that are part of the Spring REST E-book: + +1. [Bootstrap a Web Application with Spring 5](https://www.baeldung.com/bootstraping-a-web-application-with-spring-and-java-based-configuration) diff --git a/spring-boot-rest/pom.xml b/spring-boot-rest/pom.xml new file mode 100644 index 0000000000..baf9d35a09 --- /dev/null +++ b/spring-boot-rest/pom.xml @@ -0,0 +1,43 @@ + + + 4.0.0 + com.baeldung.web + spring-boot-rest + spring-boot-rest + Spring Boot Rest Module + war + + + parent-boot-2 + com.baeldung + 0.0.1-SNAPSHOT + ../parent-boot-2 + + + + + org.springframework.boot + spring-boot-starter-web + + + + org.springframework.boot + spring-boot-starter-test + test + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + + + com.baeldung.SpringBootRestApplication + + diff --git a/spring-boot-rest/src/main/java/com/baeldung/web/SpringBootRestApplication.java b/spring-boot-rest/src/main/java/com/baeldung/web/SpringBootRestApplication.java new file mode 100644 index 0000000000..62aae7619d --- /dev/null +++ b/spring-boot-rest/src/main/java/com/baeldung/web/SpringBootRestApplication.java @@ -0,0 +1,13 @@ +package com.baeldung; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class SpringBootRestApplication { + + public static void main(String[] args) { + SpringApplication.run(SpringBootRestApplication.class, args); + } + +} diff --git a/spring-boot-rest/src/main/java/com/baeldung/web/config/WebConfig.java b/spring-boot-rest/src/main/java/com/baeldung/web/config/WebConfig.java new file mode 100644 index 0000000000..808e946218 --- /dev/null +++ b/spring-boot-rest/src/main/java/com/baeldung/web/config/WebConfig.java @@ -0,0 +1,8 @@ +package com.baeldung.web.config; + +import org.springframework.context.annotation.Configuration; + +@Configuration +public class WebConfig { + +} \ No newline at end of file diff --git a/spring-boot-rest/src/main/resources/application.properties b/spring-boot-rest/src/main/resources/application.properties new file mode 100644 index 0000000000..e69de29bb2 diff --git a/spring-boot-rest/src/test/java/com/baeldung/web/SpringContextIntegrationTest.java b/spring-boot-rest/src/test/java/com/baeldung/web/SpringContextIntegrationTest.java new file mode 100644 index 0000000000..0c1fdf372b --- /dev/null +++ b/spring-boot-rest/src/test/java/com/baeldung/web/SpringContextIntegrationTest.java @@ -0,0 +1,16 @@ +package com.baeldung.spring.boot.rest; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.test.context.junit4.SpringRunner; + +@RunWith(SpringRunner.class) +@SpringBootTest +public class SpringContextIntegrationTest { + + @Test + public void contextLoads() { + } + +} diff --git a/spring-boot-security/pom.xml b/spring-boot-security/pom.xml index d5c7976ba2..b87189757a 100644 --- a/spring-boot-security/pom.xml +++ b/spring-boot-security/pom.xml @@ -66,4 +66,8 @@ + + com.baeldung.springbootsecurity.basic_auth.SpringBootSecurityApplication + + diff --git a/spring-boot-testing/README.MD b/spring-boot-testing/README.MD index a609b5bf09..144c3581f7 100644 --- a/spring-boot-testing/README.MD +++ b/spring-boot-testing/README.MD @@ -4,3 +4,4 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring ### Relevant Articles: - [Testing with Spring and Spock](https://www.baeldung.com/spring-spock-testing) +- [Exclude Auto-Configuration Classes in Spring Boot Tests](https://www.baeldung.com/spring-boot-exclude-auto-configuration-test) diff --git a/spring-boot-testing/pom.xml b/spring-boot-testing/pom.xml index 2a498e54c5..c2c886a4fe 100644 --- a/spring-boot-testing/pom.xml +++ b/spring-boot-testing/pom.xml @@ -23,6 +23,10 @@ org.springframework.boot spring-boot-starter-tomcat + + org.springframework.boot + spring-boot-starter-security + org.springframework.boot spring-boot-starter-test @@ -43,6 +47,13 @@ ${spock.version} test + + + io.rest-assured + rest-assured + test + + @@ -98,51 +109,14 @@ - + - - - autoconfiguration - - - - org.apache.maven.plugins - maven-surefire-plugin - - - integration-test - - test - - - - **/*LiveTest.java - **/*IntegrationTest.java - **/*IntTest.java - - - **/AutoconfigurationTest.java - - - - - - - json - - - - - - - - - org.baeldung.boot.Application + com.baeldung.boot.Application 2.2.4 1.2-groovy-2.4 diff --git a/spring-boot-testing/src/main/java/com/baeldung/boot/Application.java b/spring-boot-testing/src/main/java/com/baeldung/boot/Application.java index c1b6558b26..cb0d0c1532 100644 --- a/spring-boot-testing/src/main/java/com/baeldung/boot/Application.java +++ b/spring-boot-testing/src/main/java/com/baeldung/boot/Application.java @@ -1,4 +1,4 @@ -package org.baeldung.boot; +package com.baeldung.boot; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; diff --git a/spring-boot-testing/src/main/java/com/baeldung/boot/controller/rest/HomeController.java b/spring-boot-testing/src/main/java/com/baeldung/boot/controller/rest/HomeController.java new file mode 100644 index 0000000000..595c34254b --- /dev/null +++ b/spring-boot-testing/src/main/java/com/baeldung/boot/controller/rest/HomeController.java @@ -0,0 +1,14 @@ +package com.baeldung.boot.controller.rest; + +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RestController; + +@RestController +public class HomeController { + + @GetMapping("/") + public String salutation() { + return "Welcome !"; + } + +} \ No newline at end of file diff --git a/spring-boot-testing/src/main/java/com/baeldung/boot/controller/rest/WebController.java b/spring-boot-testing/src/main/java/com/baeldung/boot/controller/rest/WebController.java index 5b65599e00..7247ca3dfa 100644 --- a/spring-boot-testing/src/main/java/com/baeldung/boot/controller/rest/WebController.java +++ b/spring-boot-testing/src/main/java/com/baeldung/boot/controller/rest/WebController.java @@ -1,4 +1,6 @@ -package org.baeldung.boot.controller.rest; +package com.baeldung.boot.controller.rest; + +import java.util.Optional; import org.springframework.http.HttpStatus; import org.springframework.web.bind.annotation.DeleteMapping; @@ -9,8 +11,6 @@ import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseStatus; import org.springframework.web.bind.annotation.RestController; -import java.util.Optional; - @RestController @RequestMapping("/hello") public class WebController { diff --git a/spring-boot-testing/src/main/resources/application-test.properties b/spring-boot-testing/src/main/resources/application-test.properties new file mode 100644 index 0000000000..8d5e86ba26 --- /dev/null +++ b/spring-boot-testing/src/main/resources/application-test.properties @@ -0,0 +1,3 @@ + +# test properties +spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration \ No newline at end of file diff --git a/spring-boot-testing/src/main/resources/application.properties b/spring-boot-testing/src/main/resources/application.properties new file mode 100644 index 0000000000..e378aacdd5 --- /dev/null +++ b/spring-boot-testing/src/main/resources/application.properties @@ -0,0 +1,4 @@ + +# security +spring.security.user.name=john +spring.security.user.password=123 \ No newline at end of file diff --git a/spring-boot-testing/src/test/groovy/org/baeldung/boot/LoadContextTest.groovy b/spring-boot-testing/src/test/groovy/com/baeldung/boot/LoadContextTest.groovy similarity index 87% rename from spring-boot-testing/src/test/groovy/org/baeldung/boot/LoadContextTest.groovy rename to spring-boot-testing/src/test/groovy/com/baeldung/boot/LoadContextTest.groovy index 2d4a7ca2cf..85b0a4b89b 100644 --- a/spring-boot-testing/src/test/groovy/org/baeldung/boot/LoadContextTest.groovy +++ b/spring-boot-testing/src/test/groovy/com/baeldung/boot/LoadContextTest.groovy @@ -1,6 +1,6 @@ -package org.baeldung.boot +package com.baeldung.boot -import org.baeldung.boot.controller.rest.WebController +import com.baeldung.boot.controller.rest.WebController import org.springframework.beans.factory.annotation.Autowired import org.springframework.boot.test.context.SpringBootTest import spock.lang.Narrative diff --git a/spring-boot-testing/src/test/groovy/org/baeldung/boot/WebControllerTest.groovy b/spring-boot-testing/src/test/groovy/com/baeldung/boot/WebControllerTest.groovy similarity index 96% rename from spring-boot-testing/src/test/groovy/org/baeldung/boot/WebControllerTest.groovy rename to spring-boot-testing/src/test/groovy/com/baeldung/boot/WebControllerTest.groovy index fe1b34ab8c..d8b4e03adc 100644 --- a/spring-boot-testing/src/test/groovy/org/baeldung/boot/WebControllerTest.groovy +++ b/spring-boot-testing/src/test/groovy/com/baeldung/boot/WebControllerTest.groovy @@ -1,4 +1,4 @@ -package org.baeldung.boot +package com.baeldung.boot import org.springframework.beans.factory.annotation.Autowired import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc @@ -12,8 +12,8 @@ import spock.lang.Title @Title("WebController Specification") @Narrative("The Specification of the behaviour of the WebController. It can greet a person, change the name and reset it to 'world'") -@AutoConfigureMockMvc -@WebMvcTest +@AutoConfigureMockMvc(secure=false) +@WebMvcTest() class WebControllerTest extends Specification { @Autowired diff --git a/spring-boot-testing/src/test/groovy/com/baeldung/boot/WebControllerTest.groovy alias b/spring-boot-testing/src/test/groovy/com/baeldung/boot/WebControllerTest.groovy alias new file mode 100644 index 0000000000..f2fc2f48e2 Binary files /dev/null and b/spring-boot-testing/src/test/groovy/com/baeldung/boot/WebControllerTest.groovy alias differ diff --git a/spring-boot-testing/src/test/java/com/baeldung/autoconfig/exclude/ExcludeAutoConfig1IntegrationTest.java b/spring-boot-testing/src/test/java/com/baeldung/autoconfig/exclude/ExcludeAutoConfig1IntegrationTest.java new file mode 100644 index 0000000000..a4a29cddf3 --- /dev/null +++ b/spring-boot-testing/src/test/java/com/baeldung/autoconfig/exclude/ExcludeAutoConfig1IntegrationTest.java @@ -0,0 +1,26 @@ +package com.baeldung.autoconfig.exclude; + +import static org.junit.Assert.assertEquals; +import io.restassured.RestAssured; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.boot.test.context.SpringBootTest.WebEnvironment; +import org.springframework.http.HttpStatus; +import org.springframework.test.context.TestPropertySource; +import org.springframework.test.context.junit4.SpringRunner; + +import com.baeldung.boot.Application; + +@RunWith(SpringRunner.class) +@SpringBootTest(classes = Application.class, webEnvironment = WebEnvironment.DEFINED_PORT) +@TestPropertySource(properties = "spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration") +public class ExcludeAutoConfig1IntegrationTest { + + @Test + public void givenSecurityConfigExcluded_whenAccessHome_thenNoAuthenticationRequired() { + int statusCode = RestAssured.get("http://localhost:8080/").statusCode(); + assertEquals(HttpStatus.OK.value(), statusCode); + } +} diff --git a/spring-boot-testing/src/test/java/com/baeldung/autoconfig/exclude/ExcludeAutoConfig2IntegrationTest.java b/spring-boot-testing/src/test/java/com/baeldung/autoconfig/exclude/ExcludeAutoConfig2IntegrationTest.java new file mode 100644 index 0000000000..cdf79b159c --- /dev/null +++ b/spring-boot-testing/src/test/java/com/baeldung/autoconfig/exclude/ExcludeAutoConfig2IntegrationTest.java @@ -0,0 +1,26 @@ +package com.baeldung.autoconfig.exclude; + +import static org.junit.Assert.assertEquals; +import io.restassured.RestAssured; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.boot.test.context.SpringBootTest.WebEnvironment; +import org.springframework.http.HttpStatus; +import org.springframework.test.context.ActiveProfiles; +import org.springframework.test.context.junit4.SpringRunner; + +import com.baeldung.boot.Application; + +@RunWith(SpringRunner.class) +@SpringBootTest(classes = Application.class, webEnvironment = WebEnvironment.DEFINED_PORT) +@ActiveProfiles("test") +public class ExcludeAutoConfig2IntegrationTest { + + @Test + public void givenSecurityConfigExcluded_whenAccessHome_thenNoAuthenticationRequired() { + int statusCode = RestAssured.get("http://localhost:8080/").statusCode(); + assertEquals(HttpStatus.OK.value(), statusCode); + } +} diff --git a/spring-boot-testing/src/test/java/com/baeldung/autoconfig/exclude/ExcludeAutoConfig3IntegrationTest.java b/spring-boot-testing/src/test/java/com/baeldung/autoconfig/exclude/ExcludeAutoConfig3IntegrationTest.java new file mode 100644 index 0000000000..0e45d1e9e5 --- /dev/null +++ b/spring-boot-testing/src/test/java/com/baeldung/autoconfig/exclude/ExcludeAutoConfig3IntegrationTest.java @@ -0,0 +1,27 @@ +package com.baeldung.autoconfig.exclude; + +import static org.junit.Assert.assertEquals; +import io.restassured.RestAssured; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.boot.autoconfigure.EnableAutoConfiguration; +import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.boot.test.context.SpringBootTest.WebEnvironment; +import org.springframework.http.HttpStatus; +import org.springframework.test.context.junit4.SpringRunner; + +import com.baeldung.boot.Application; + +@RunWith(SpringRunner.class) +@SpringBootTest(classes = Application.class, webEnvironment = WebEnvironment.DEFINED_PORT) +@EnableAutoConfiguration(exclude=SecurityAutoConfiguration.class) +public class ExcludeAutoConfig3IntegrationTest { + + @Test + public void givenSecurityConfigExcluded_whenAccessHome_thenNoAuthenticationRequired() { + int statusCode = RestAssured.get("http://localhost:8080/").statusCode(); + assertEquals(HttpStatus.OK.value(), statusCode); + } +} diff --git a/spring-boot-testing/src/test/java/com/baeldung/autoconfig/exclude/ExcludeAutoConfig4IntegrationTest.java b/spring-boot-testing/src/test/java/com/baeldung/autoconfig/exclude/ExcludeAutoConfig4IntegrationTest.java new file mode 100644 index 0000000000..8429aed6cd --- /dev/null +++ b/spring-boot-testing/src/test/java/com/baeldung/autoconfig/exclude/ExcludeAutoConfig4IntegrationTest.java @@ -0,0 +1,22 @@ +package com.baeldung.autoconfig.exclude; + +import static org.junit.Assert.assertEquals; +import io.restassured.RestAssured; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.boot.test.context.SpringBootTest.WebEnvironment; +import org.springframework.http.HttpStatus; +import org.springframework.test.context.junit4.SpringRunner; + +@RunWith(SpringRunner.class) +@SpringBootTest(classes = TestApplication.class, webEnvironment = WebEnvironment.DEFINED_PORT) +public class ExcludeAutoConfig4IntegrationTest { + + @Test + public void givenSecurityConfigExcluded_whenAccessHome_thenNoAuthenticationRequired() { + int statusCode = RestAssured.get("http://localhost:8080/").statusCode(); + assertEquals(HttpStatus.OK.value(), statusCode); + } +} diff --git a/spring-boot-testing/src/test/java/com/baeldung/autoconfig/exclude/TestApplication.java b/spring-boot-testing/src/test/java/com/baeldung/autoconfig/exclude/TestApplication.java new file mode 100644 index 0000000000..7c162f85ab --- /dev/null +++ b/spring-boot-testing/src/test/java/com/baeldung/autoconfig/exclude/TestApplication.java @@ -0,0 +1,13 @@ +package com.baeldung.autoconfig.exclude; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration; + +@SpringBootApplication(scanBasePackages="com.baeldung.boot", exclude=SecurityAutoConfiguration.class) +public class TestApplication { + + public static void main(String[] args) { + SpringApplication.run(TestApplication.class, args); + } +} diff --git a/spring-boot-testing/src/test/java/com/baeldung/boot/SpringContextIntegrationTest.java b/spring-boot-testing/src/test/java/com/baeldung/boot/SpringContextIntegrationTest.java new file mode 100644 index 0000000000..63ab07fdb7 --- /dev/null +++ b/spring-boot-testing/src/test/java/com/baeldung/boot/SpringContextIntegrationTest.java @@ -0,0 +1,15 @@ +package com.baeldung.boot; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.test.context.junit4.SpringRunner; + +@RunWith(SpringRunner.class) +@SpringBootTest(classes = Application.class) +public class SpringContextIntegrationTest { + + @Test + public void whenSpringContextIsBootstrapped_thenNoExceptions() { + } +} diff --git a/spring-boot-testing/src/test/java/com/baeldung/boot/autoconfig/AutoConfigIntegrationTest.java b/spring-boot-testing/src/test/java/com/baeldung/boot/autoconfig/AutoConfigIntegrationTest.java new file mode 100644 index 0000000000..fe71f44ddf --- /dev/null +++ b/spring-boot-testing/src/test/java/com/baeldung/boot/autoconfig/AutoConfigIntegrationTest.java @@ -0,0 +1,30 @@ +package com.baeldung.boot.autoconfig; + +import static org.junit.Assert.assertEquals; +import io.restassured.RestAssured; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.boot.test.context.SpringBootTest.WebEnvironment; +import org.springframework.http.HttpStatus; +import org.springframework.test.context.junit4.SpringRunner; + +import com.baeldung.boot.Application; + +@RunWith(SpringRunner.class) +@SpringBootTest(classes = Application.class, webEnvironment = WebEnvironment.DEFINED_PORT) +public class AutoConfigIntegrationTest { + + @Test + public void givenNoAuthentication_whenAccessHome_thenUnauthorized() { + int statusCode = RestAssured.get("http://localhost:8080/").statusCode(); + assertEquals(HttpStatus.UNAUTHORIZED.value(), statusCode); + } + + @Test + public void givenAuthentication_whenAccessHome_thenOK() { + int statusCode = RestAssured.given().auth().basic("john", "123").get("http://localhost:8080/").statusCode(); + assertEquals(HttpStatus.OK.value(), statusCode); + } +} diff --git a/spring-boot/src/main/java/com/baeldung/properties/ConfigProperties.java b/spring-boot/src/main/java/com/baeldung/properties/ConfigProperties.java index 863510738b..35b0239287 100644 --- a/spring-boot/src/main/java/com/baeldung/properties/ConfigProperties.java +++ b/spring-boot/src/main/java/com/baeldung/properties/ConfigProperties.java @@ -5,10 +5,10 @@ import java.util.Map; import javax.validation.constraints.Max; import javax.validation.constraints.Min; +import javax.validation.constraints.NotBlank; import javax.validation.constraints.Pattern; import org.hibernate.validator.constraints.Length; -import org.hibernate.validator.constraints.NotBlank; import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.PropertySource; diff --git a/spring-boot/src/main/java/org/baeldung/properties/ConfigProperties.java b/spring-boot/src/main/java/org/baeldung/properties/ConfigProperties.java index 2c815fe998..2d3e56100c 100644 --- a/spring-boot/src/main/java/org/baeldung/properties/ConfigProperties.java +++ b/spring-boot/src/main/java/org/baeldung/properties/ConfigProperties.java @@ -5,10 +5,10 @@ import java.util.Map; import javax.validation.constraints.Max; import javax.validation.constraints.Min; +import javax.validation.constraints.NotBlank; import javax.validation.constraints.Pattern; import org.hibernate.validator.constraints.Length; -import org.hibernate.validator.constraints.NotBlank; import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.PropertySource; diff --git a/spring-boot/src/test/java/org/baeldung/demo/boottest/EmployeeControllerIntegrationTest.java b/spring-boot/src/test/java/org/baeldung/demo/boottest/EmployeeControllerIntegrationTest.java index 640a8b322a..2d70583a54 100644 --- a/spring-boot/src/test/java/org/baeldung/demo/boottest/EmployeeControllerIntegrationTest.java +++ b/spring-boot/src/test/java/org/baeldung/demo/boottest/EmployeeControllerIntegrationTest.java @@ -45,10 +45,10 @@ public class EmployeeControllerIntegrationTest { @Test public void whenPostEmployee_thenCreateEmployee() throws Exception { Employee alex = new Employee("alex"); - given(service.save(Mockito.anyObject())).willReturn(alex); + given(service.save(Mockito.any())).willReturn(alex); mvc.perform(post("/api/employees").contentType(MediaType.APPLICATION_JSON).content(JsonUtil.toJson(alex))).andExpect(status().isCreated()).andExpect(jsonPath("$.name", is("alex"))); - verify(service, VerificationModeFactory.times(1)).save(Mockito.anyObject()); + verify(service, VerificationModeFactory.times(1)).save(Mockito.any()); reset(service); } diff --git a/spring-cloud/spring-cloud-kubernetes/README.md b/spring-cloud/spring-cloud-kubernetes/README.md index 295ead1c2f..2387758626 100644 --- a/spring-cloud/spring-cloud-kubernetes/README.md +++ b/spring-cloud/spring-cloud-kubernetes/README.md @@ -1,3 +1,4 @@ ### Relevant Articles: - [Running Spring Boot Applications With Minikube](https://www.baeldung.com/spring-boot-minikube) +- [Self-Healing Applications with Kubernetes and Spring Boot](https://www.baeldung.com/spring-boot-kubernetes-self-healing-apps) diff --git a/spring-core/pom.xml b/spring-core/pom.xml index 60f3262f08..f1e2e2a748 100644 --- a/spring-core/pom.xml +++ b/spring-core/pom.xml @@ -85,6 +85,7 @@ 1.16.12 2.5 1.5.2.RELEASE + 1.10.19 \ No newline at end of file diff --git a/spring-core/src/main/java/com/baeldung/annotation/MyBean.java b/spring-core/src/main/java/com/baeldung/annotation/MyBean.java new file mode 100644 index 0000000000..9a1fd3beec --- /dev/null +++ b/spring-core/src/main/java/com/baeldung/annotation/MyBean.java @@ -0,0 +1,26 @@ +package com.baeldung.annotation; + +import org.springframework.stereotype.Component; +import javax.annotation.PostConstruct; +import javax.annotation.PreDestroy; + +@Component +public class MyBean { + + private final TestBean testBean; + + public MyBean(TestBean testBean) { + this.testBean = testBean; + System.out.println("Hello from constructor"); + } + + @PostConstruct + private void postConstruct() { + System.out.println("Hello from @PostConstruct method"); + } + + @PreDestroy + public void preDestroy() { + System.out.println("Bean is being destroyed"); + } +} \ No newline at end of file diff --git a/spring-core/src/main/java/com/baeldung/annotation/TestBean.java b/spring-core/src/main/java/com/baeldung/annotation/TestBean.java new file mode 100644 index 0000000000..0539e10751 --- /dev/null +++ b/spring-core/src/main/java/com/baeldung/annotation/TestBean.java @@ -0,0 +1,8 @@ +package com.baeldung.annotation; + +import org.springframework.stereotype.Component; + +@Component +public class TestBean { + +} \ No newline at end of file diff --git a/spring-core/src/main/java/com/baeldung/value/ValuesApp.java b/spring-core/src/main/java/com/baeldung/value/ValuesApp.java index f525dfde89..80893c1adf 100644 --- a/spring-core/src/main/java/com/baeldung/value/ValuesApp.java +++ b/spring-core/src/main/java/com/baeldung/value/ValuesApp.java @@ -2,6 +2,7 @@ package com.baeldung.value; import java.util.Arrays; import java.util.List; +import java.util.Map; import javax.annotation.PostConstruct; @@ -45,6 +46,27 @@ public class ValuesApp { @Value("#{'${listOfValues}'.split(',')}") private List valuesList; + + @Value("#{${valuesMap}}") + private Map valuesMap; + + @Value("#{${valuesMap}.key1}") + private Integer valuesMapKey1; + + @Value("#{${valuesMap}['unknownKey']}") + private Integer unknownMapKey; + + @Value("#{${unknownMap : {key1:'1', key2 : '2'}}}") + private Map unknownMap; + + @Value("#{${valuesMap}['unknownKey'] ?: 5}") + private Integer unknownMapKeyWithDefaultValue; + + @Value("#{${valuesMap}.?[value>'1']}") + private Map valuesMapFiltered; + + @Value("#{systemProperties}") + private Map systemPropertiesMap; public static void main(String[] args) { System.setProperty("systemValue", "Some system parameter value"); @@ -69,5 +91,12 @@ public class ValuesApp { System.out.println(spelSomeDefault); System.out.println(someBeanValue); System.out.println(valuesList); + System.out.println(valuesMap); + System.out.println(valuesMapKey1); + System.out.println(unknownMapKey); + System.out.println(unknownMap); + System.out.println(unknownMapKeyWithDefaultValue); + System.out.println(valuesMapFiltered); + System.out.println(systemPropertiesMap); } } diff --git a/spring-core/src/main/resources/values.properties b/spring-core/src/main/resources/values.properties index d7d61b8ee8..c6db5873fb 100644 --- a/spring-core/src/main/resources/values.properties +++ b/spring-core/src/main/resources/values.properties @@ -1,3 +1,4 @@ value.from.file=Value got from the file priority=Properties file -listOfValues=A,B,C \ No newline at end of file +listOfValues=A,B,C +valuesMap={key1:'1', key2 : '2', key3 : '3'} \ No newline at end of file diff --git a/spring-core/src/test/java/com/baeldung/resource/SpringResourceIntegrationTest.java b/spring-core/src/test/java/com/baeldung/resource/SpringResourceIntegrationTest.java index 38e8304f0f..a7a2a9032a 100644 --- a/spring-core/src/test/java/com/baeldung/resource/SpringResourceIntegrationTest.java +++ b/spring-core/src/test/java/com/baeldung/resource/SpringResourceIntegrationTest.java @@ -98,4 +98,18 @@ public class SpringResourceIntegrationTest { final String employees = new String(Files.readAllBytes(resource.toPath())); assertEquals(EMPLOYEES_EXPECTED, employees); } + + @Test + public void whenClassPathResourceWithAbsoultePath_thenReadSuccessful() throws IOException { + final File resource = new ClassPathResource("/data/employees.dat", this.getClass()).getFile(); + final String employees = new String(Files.readAllBytes(resource.toPath())); + assertEquals(EMPLOYEES_EXPECTED, employees); + } + + @Test + public void whenClassPathResourceWithRelativePath_thenReadSuccessful() throws IOException { + final File resource = new ClassPathResource("../../../data/employees.dat", SpringResourceIntegrationTest.class).getFile(); + final String employees = new String(Files.readAllBytes(resource.toPath())); + assertEquals(EMPLOYEES_EXPECTED, employees); + } } diff --git a/spring-cucumber/pom.xml b/spring-cucumber/pom.xml index 64b543bb6c..2bc3201775 100644 --- a/spring-cucumber/pom.xml +++ b/spring-cucumber/pom.xml @@ -10,10 +10,10 @@ Demo project for Spring Boot - parent-boot-1 + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT - ../parent-boot-1 + ../parent-boot-2 diff --git a/spring-ehcache/.gitignore b/spring-ehcache/.gitignore new file mode 100644 index 0000000000..83c05e60c8 --- /dev/null +++ b/spring-ehcache/.gitignore @@ -0,0 +1,13 @@ +*.class + +#folders# +/target +/neoDb* +/data +/src/main/webapp/WEB-INF/classes +*/META-INF/* + +# Packaged files # +*.jar +*.war +*.ear \ No newline at end of file diff --git a/spring-ehcache/README.md b/spring-ehcache/README.md new file mode 100644 index 0000000000..749441375e --- /dev/null +++ b/spring-ehcache/README.md @@ -0,0 +1,7 @@ +## Spring Ehcache Example Project + +A simple example of using ehcache with spring-boot. + +### Relevant Articles: +- [Spring Boot Ehcache Example](http://www.baeldung.com/spring-ehcache) + diff --git a/spring-ehcache/checkstyle.xml b/spring-ehcache/checkstyle.xml new file mode 100644 index 0000000000..85063a7570 --- /dev/null +++ b/spring-ehcache/checkstyle.xml @@ -0,0 +1,11 @@ + + + + + + + + + \ No newline at end of file diff --git a/spring-ehcache/pom.xml b/spring-ehcache/pom.xml new file mode 100644 index 0000000000..b8378617c5 --- /dev/null +++ b/spring-ehcache/pom.xml @@ -0,0 +1,87 @@ + + 4.0.0 + spring-ehcache + 0.1-SNAPSHOT + spring-ehcache + jar + + + parent-boot-2 + com.baeldung + 0.0.1-SNAPSHOT + ../parent-boot-2 + + + + + + org.springframework.boot + spring-boot-starter-web + + + org.springframework.boot + spring-boot-starter-cache + + + javax.cache + cache-api + + + org.ehcache + ehcache + + + + + spring-ehcache + + + src/main/resources + true + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + org.apache.maven.plugins + maven-checkstyle-plugin + ${checkstyle-maven-plugin.version} + + checkstyle.xml + + + + + check + + + + + + + + + + + org.apache.maven.plugins + maven-checkstyle-plugin + ${checkstyle-maven-plugin.version} + + checkstyle.xml + + + + + + + + 3.0.0 + false + + + diff --git a/spring-ehcache/src/main/java/com/baeldung/cachetest/Application.java b/spring-ehcache/src/main/java/com/baeldung/cachetest/Application.java new file mode 100644 index 0000000000..a1ce7a5317 --- /dev/null +++ b/spring-ehcache/src/main/java/com/baeldung/cachetest/Application.java @@ -0,0 +1,13 @@ +package com.baeldung.cachetest; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class Application { + + public static void main(String[] args) { + SpringApplication.run(Application.class, args); + } + +} \ No newline at end of file diff --git a/spring-ehcache/src/main/java/com/baeldung/cachetest/config/CacheConfig.java b/spring-ehcache/src/main/java/com/baeldung/cachetest/config/CacheConfig.java new file mode 100644 index 0000000000..3cf2309cb9 --- /dev/null +++ b/spring-ehcache/src/main/java/com/baeldung/cachetest/config/CacheConfig.java @@ -0,0 +1,57 @@ +package com.baeldung.cachetest.config; + +import java.math.BigDecimal; +import java.time.Duration; + +import javax.cache.CacheManager; + +import org.ehcache.config.CacheConfiguration; +import org.ehcache.config.ResourcePools; +import org.ehcache.config.builders.CacheConfigurationBuilder; +import org.ehcache.config.builders.CacheEventListenerConfigurationBuilder; +import org.ehcache.config.builders.ExpiryPolicyBuilder; +import org.ehcache.config.builders.ResourcePoolsBuilder; +import org.ehcache.config.units.EntryUnit; +import org.ehcache.config.units.MemoryUnit; +import org.ehcache.event.EventType; +import org.ehcache.jsr107.Eh107Configuration; +import org.springframework.boot.autoconfigure.cache.JCacheManagerCustomizer; +import org.springframework.cache.annotation.EnableCaching; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; + +@Configuration +@EnableCaching +public class CacheConfig { + + private static final int ON_HEAP_CACHE_SIZE_ENTRIES = 2; + private static final int OFF_HEAP_CACHE_SIZE_MB = 10; + private static final int CACHE_EXPIRY_SECONDS = 30; + + @Bean + public JCacheManagerCustomizer jcacheManagerCustomizer() { + return new JCacheManagerCustomizer() { + + @Override + public void customize(CacheManager cacheManager) { + ResourcePools resourcePools = ResourcePoolsBuilder.newResourcePoolsBuilder() + .heap(ON_HEAP_CACHE_SIZE_ENTRIES, EntryUnit.ENTRIES) + .offheap(OFF_HEAP_CACHE_SIZE_MB, MemoryUnit.MB).build(); + + CacheEventListenerConfigurationBuilder eventLoggerConfig = CacheEventListenerConfigurationBuilder + .newEventListenerConfiguration(new CacheEventLogger(), EventType.CREATED, EventType.EXPIRED) + .unordered().asynchronous(); + + CacheConfiguration cacheConfiguration = CacheConfigurationBuilder + .newCacheConfigurationBuilder(Long.class, BigDecimal.class, resourcePools) + .withExpiry(ExpiryPolicyBuilder.timeToLiveExpiration(Duration.ofSeconds(CACHE_EXPIRY_SECONDS))) + .add(eventLoggerConfig).build(); + + cacheManager.createCache("squareCache", + Eh107Configuration.fromEhcacheCacheConfiguration(cacheConfiguration)); + + } + }; + } + +} diff --git a/spring-ehcache/src/main/java/com/baeldung/cachetest/config/CacheEventLogger.java b/spring-ehcache/src/main/java/com/baeldung/cachetest/config/CacheEventLogger.java new file mode 100644 index 0000000000..c8ead85f1e --- /dev/null +++ b/spring-ehcache/src/main/java/com/baeldung/cachetest/config/CacheEventLogger.java @@ -0,0 +1,18 @@ +package com.baeldung.cachetest.config; + +import org.ehcache.event.CacheEvent; +import org.ehcache.event.CacheEventListener; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class CacheEventLogger implements CacheEventListener { + + private static final Logger log = LoggerFactory.getLogger(CacheEventLogger.class); + + @Override + public void onEvent(CacheEvent cacheEvent) { + log.info("Cache event {} for item with key {}. Old value = {}, New value = {}", cacheEvent.getType(), + cacheEvent.getKey(), cacheEvent.getOldValue(), cacheEvent.getNewValue()); + } + +} diff --git a/spring-ehcache/src/main/java/com/baeldung/cachetest/rest/NumberController.java b/spring-ehcache/src/main/java/com/baeldung/cachetest/rest/NumberController.java new file mode 100644 index 0000000000..4115c34cc4 --- /dev/null +++ b/spring-ehcache/src/main/java/com/baeldung/cachetest/rest/NumberController.java @@ -0,0 +1,29 @@ +package com.baeldung.cachetest.rest; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.http.MediaType; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.PathVariable; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RestController; + +import com.baeldung.cachetest.service.NumberService; + +@RestController +@RequestMapping(path = "/number", produces = MediaType.APPLICATION_JSON_UTF8_VALUE) +public class NumberController { + + private final static Logger log = LoggerFactory.getLogger(NumberController.class); + + @Autowired + private NumberService numberService; + + @GetMapping(path = "/square/{number}") + public String getThing(@PathVariable Long number) { + log.info("call numberService to square {}", number); + return String.format("{\"square\": %s}", numberService.square(number)); + } + +} diff --git a/spring-ehcache/src/main/java/com/baeldung/cachetest/service/NumberService.java b/spring-ehcache/src/main/java/com/baeldung/cachetest/service/NumberService.java new file mode 100644 index 0000000000..bcd930f5e1 --- /dev/null +++ b/spring-ehcache/src/main/java/com/baeldung/cachetest/service/NumberService.java @@ -0,0 +1,22 @@ +package com.baeldung.cachetest.service; + +import java.math.BigDecimal; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.cache.annotation.Cacheable; +import org.springframework.stereotype.Service; + +@Service +public class NumberService { + + private final static Logger log = LoggerFactory.getLogger(NumberService.class); + + @Cacheable(value = "squareCache", key = "#number", condition = "#number>10") + public BigDecimal square(Long number) { + BigDecimal square = BigDecimal.valueOf(number).multiply(BigDecimal.valueOf(number)); + log.info("square of {} is {}", number, square); + return square; + } + +} diff --git a/spring-jooq/pom.xml b/spring-jooq/pom.xml index bbd6025418..8bce500a86 100644 --- a/spring-jooq/pom.xml +++ b/spring-jooq/pom.xml @@ -5,10 +5,10 @@ spring-jooq - parent-boot-1 + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT - ../parent-boot-1 + ../parent-boot-2 @@ -129,6 +129,9 @@ com.baeldung.jooq.introduction.db src/main/java + + + @@ -185,14 +188,12 @@ - 3.8.6 + 3.11.7 1.4.193 - 4.3.17.RELEASE 1.0.0 1.5 1.0.0 - 1.5.13.RELEASE org.jooq.example.spring.Application diff --git a/spring-kafka/pom.xml b/spring-kafka/pom.xml index be16da5ff0..b76d4f10c0 100644 --- a/spring-kafka/pom.xml +++ b/spring-kafka/pom.xml @@ -8,10 +8,10 @@ Intro to Kafka with Spring - parent-boot-1 + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT - ../parent-boot-1 + ../parent-boot-2 @@ -30,11 +30,10 @@ com.fasterxml.jackson.core jackson-databind - - 1.1.3.RELEASE + 2.2.2.RELEASE 2.9.7 diff --git a/spring-kafka/src/main/java/com/baeldung/spring/kafka/KafkaApplication.java b/spring-kafka/src/main/java/com/baeldung/spring/kafka/KafkaApplication.java index 50978d5ea9..b313eafdb9 100644 --- a/spring-kafka/src/main/java/com/baeldung/spring/kafka/KafkaApplication.java +++ b/spring-kafka/src/main/java/com/baeldung/spring/kafka/KafkaApplication.java @@ -13,8 +13,11 @@ import org.springframework.kafka.annotation.KafkaListener; import org.springframework.kafka.annotation.TopicPartition; import org.springframework.kafka.core.KafkaTemplate; import org.springframework.kafka.support.KafkaHeaders; +import org.springframework.kafka.support.SendResult; import org.springframework.messaging.handler.annotation.Header; import org.springframework.messaging.handler.annotation.Payload; +import org.springframework.util.concurrent.ListenableFuture; +import org.springframework.util.concurrent.ListenableFutureCallback; @SpringBootApplication public class KafkaApplication { @@ -22,7 +25,7 @@ public class KafkaApplication { public static void main(String[] args) throws Exception { ConfigurableApplicationContext context = SpringApplication.run(KafkaApplication.class, args); - + MessageProducer producer = context.getBean(MessageProducer.class); MessageListener listener = context.getBean(MessageListener.class); /* @@ -98,11 +101,24 @@ public class KafkaApplication { private String greetingTopicName; public void sendMessage(String message) { - kafkaTemplate.send(topicName, message); + + ListenableFuture> future = kafkaTemplate.send(topicName, message); + + future.addCallback(new ListenableFutureCallback>() { + + @Override + public void onSuccess(SendResult result) { + System.out.println("Sent message=[" + message + "] with offset=[" + result.getRecordMetadata().offset() + "]"); + } + @Override + public void onFailure(Throwable ex) { + System.out.println("Unable to send message=[" + message + "] due to : " + ex.getMessage()); + } + }); } public void sendMessageToPartion(String message, int partition) { - kafkaTemplate.send(partionedTopicName, partition, message); + kafkaTemplate.send(partionedTopicName, partition, null, message); } public void sendMessageToFiltered(String message) { @@ -124,13 +140,13 @@ public class KafkaApplication { private CountDownLatch greetingLatch = new CountDownLatch(1); - @KafkaListener(topics = "${message.topic.name}", group = "foo", containerFactory = "fooKafkaListenerContainerFactory") + @KafkaListener(topics = "${message.topic.name}", groupId = "foo", containerFactory = "fooKafkaListenerContainerFactory") public void listenGroupFoo(String message) { System.out.println("Received Messasge in group 'foo': " + message); latch.countDown(); } - @KafkaListener(topics = "${message.topic.name}", group = "bar", containerFactory = "barKafkaListenerContainerFactory") + @KafkaListener(topics = "${message.topic.name}", groupId = "bar", containerFactory = "barKafkaListenerContainerFactory") public void listenGroupBar(String message) { System.out.println("Received Messasge in group 'bar': " + message); latch.countDown(); diff --git a/spring-kafka/src/main/java/com/baeldung/spring/kafka/KafkaTopicConfig.java b/spring-kafka/src/main/java/com/baeldung/spring/kafka/KafkaTopicConfig.java new file mode 100644 index 0000000000..a3426e78a3 --- /dev/null +++ b/spring-kafka/src/main/java/com/baeldung/spring/kafka/KafkaTopicConfig.java @@ -0,0 +1,57 @@ +package com.baeldung.spring.kafka; + +import java.util.HashMap; +import java.util.Map; + +import org.apache.kafka.clients.admin.AdminClientConfig; +import org.apache.kafka.clients.admin.NewTopic; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.kafka.core.KafkaAdmin; + +@Configuration +public class KafkaTopicConfig { + + @Value(value = "${kafka.bootstrapAddress}") + private String bootstrapAddress; + + @Value(value = "${message.topic.name}") + private String topicName; + + @Value(value = "${partitioned.topic.name}") + private String partionedTopicName; + + @Value(value = "${filtered.topic.name}") + private String filteredTopicName; + + @Value(value = "${greeting.topic.name}") + private String greetingTopicName; + + @Bean + public KafkaAdmin kafkaAdmin() { + Map configs = new HashMap<>(); + configs.put(AdminClientConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapAddress); + return new KafkaAdmin(configs); + } + + @Bean + public NewTopic topic1() { + return new NewTopic(topicName, 1, (short) 1); + } + + @Bean + public NewTopic topic2() { + return new NewTopic(partionedTopicName, 6, (short) 1); + } + + @Bean + public NewTopic topic3() { + return new NewTopic(filteredTopicName, 1, (short) 1); + } + + @Bean + public NewTopic topic4() { + return new NewTopic(greetingTopicName, 1, (short) 1); + } +} diff --git a/spring-kafka/src/test/java/org/baeldung/SpringContextIntegrationTest.java b/spring-kafka/src/test/java/org/baeldung/SpringContextLiveTest.java similarity index 90% rename from spring-kafka/src/test/java/org/baeldung/SpringContextIntegrationTest.java rename to spring-kafka/src/test/java/org/baeldung/SpringContextLiveTest.java index 40bf86c76f..d8fb3131f5 100644 --- a/spring-kafka/src/test/java/org/baeldung/SpringContextIntegrationTest.java +++ b/spring-kafka/src/test/java/org/baeldung/SpringContextLiveTest.java @@ -9,7 +9,7 @@ import com.baeldung.spring.kafka.KafkaApplication; @RunWith(SpringRunner.class) @SpringBootTest(classes = KafkaApplication.class) -public class SpringContextIntegrationTest { +public class SpringContextLiveTest { @Test public void whenSpringContextIsBootstrapped_thenNoExceptions() { diff --git a/spring-kafka/src/test/java/org/baeldung/SpringContextManualTest.java b/spring-kafka/src/test/java/org/baeldung/SpringContextManualTest.java new file mode 100644 index 0000000000..b8195633fd --- /dev/null +++ b/spring-kafka/src/test/java/org/baeldung/SpringContextManualTest.java @@ -0,0 +1,17 @@ +package org.baeldung; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.test.context.junit4.SpringRunner; + +import com.baeldung.spring.kafka.KafkaApplication; + +@RunWith(SpringRunner.class) +@SpringBootTest(classes = KafkaApplication.class) +public class SpringContextManualTest { + + @Test + public void whenSpringContextIsBootstrapped_thenNoExceptions() { + } +} diff --git a/spring-mockito/pom.xml b/spring-mockito/pom.xml index d1fa7f410e..481c818f39 100644 --- a/spring-mockito/pom.xml +++ b/spring-mockito/pom.xml @@ -11,10 +11,10 @@ Injecting Mockito Mocks into Spring Beans - parent-boot-1 + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT - ../parent-boot-1 + ../parent-boot-2 diff --git a/spring-mockito/src/test/java/com/baeldung/NameServiceTestConfiguration.java b/spring-mockito/src/test/java/com/baeldung/NameServiceTestConfiguration.java index 2c63ff6203..c50377a22a 100644 --- a/spring-mockito/src/test/java/com/baeldung/NameServiceTestConfiguration.java +++ b/spring-mockito/src/test/java/com/baeldung/NameServiceTestConfiguration.java @@ -11,7 +11,7 @@ import org.springframework.context.annotation.Profile; public class NameServiceTestConfiguration { @Bean @Primary - public NameService nameService() { + public NameService nameServiceTest() { return Mockito.mock(NameService.class); } } diff --git a/spring-mvc-java/README.md b/spring-mvc-java/README.md index c7fcbd400b..851a3689ab 100644 --- a/spring-mvc-java/README.md +++ b/spring-mvc-java/README.md @@ -11,7 +11,6 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring - [Introduction to Advice Types in Spring](http://www.baeldung.com/spring-aop-advice-tutorial) - [A Guide to the ViewResolver in Spring MVC](http://www.baeldung.com/spring-mvc-view-resolver-tutorial) - [Integration Testing in Spring](http://www.baeldung.com/integration-testing-in-spring) -- [Spring JSON-P with Jackson](http://www.baeldung.com/spring-jackson-jsonp) - [A Quick Guide to Spring MVC Matrix Variables](http://www.baeldung.com/spring-mvc-matrix-variables) - [Intro to WebSockets with Spring](http://www.baeldung.com/websockets-spring) - [File Upload with Spring MVC](http://www.baeldung.com/spring-file-upload) diff --git a/spring-mvc-java/pom.xml b/spring-mvc-java/pom.xml index 9d3e0ca1b2..562df30318 100644 --- a/spring-mvc-java/pom.xml +++ b/spring-mvc-java/pom.xml @@ -60,6 +60,12 @@ commons-fileupload commons-fileupload ${commons-fileupload.version} + + + commons-io + commons-io + + net.sourceforge.htmlunit @@ -70,8 +76,17 @@ commons-logging commons-logging + + commons-io + commons-io + + + commons-io + commons-io + ${commons-io.version} + @@ -255,6 +270,7 @@ 19.0 3.5 1.3.2 + 2.5 2.2.0 diff --git a/spring-mvc-java/src/main/java/com/baeldung/web/controller/CompanyController.java b/spring-mvc-java/src/main/java/com/baeldung/web/controller/CompanyController.java index e92abfdc47..af1e729c13 100644 --- a/spring-mvc-java/src/main/java/com/baeldung/web/controller/CompanyController.java +++ b/spring-mvc-java/src/main/java/com/baeldung/web/controller/CompanyController.java @@ -60,17 +60,4 @@ public class CompanyController { result.put("name", name); return new ResponseEntity<>(result, HttpStatus.OK); } - - @RequestMapping(value = "/companyResponseBody", produces = MediaType.APPLICATION_JSON_VALUE) - @ResponseBody - public Company getCompanyResponseBody() { - final Company company = new Company(2, "ABC"); - return company; - } - - @RequestMapping(value = "/companyResponseEntity", produces = MediaType.APPLICATION_JSON_VALUE) - public ResponseEntity getCompanyResponseEntity() { - final Company company = new Company(3, "123"); - return new ResponseEntity(company, HttpStatus.OK); - } } diff --git a/spring-mvc-java/src/test/java/com/baeldung/config/HandlerMappingDefaultConfig.java b/spring-mvc-java/src/test/java/com/baeldung/config/HandlerMappingDefaultConfig.java index 9190d07d6b..d3a329a387 100644 --- a/spring-mvc-java/src/test/java/com/baeldung/config/HandlerMappingDefaultConfig.java +++ b/spring-mvc-java/src/test/java/com/baeldung/config/HandlerMappingDefaultConfig.java @@ -1,15 +1,10 @@ package com.baeldung.config; -import com.baeldung.web.controller.handlermapping.BeanNameHandlerMappingController; -import com.baeldung.web.controller.handlermapping.SimpleUrlMappingController; -import com.baeldung.web.controller.handlermapping.WelcomeController; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; -import org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping; -import org.springframework.web.servlet.handler.SimpleUrlHandlerMapping; -import java.util.HashMap; -import java.util.Map; +import com.baeldung.web.controller.handlermapping.BeanNameHandlerMappingController; +import com.baeldung.web.controller.handlermapping.WelcomeController; @Configuration diff --git a/spring-mvc-java/src/test/java/com/baeldung/htmlunit/TestConfig.java b/spring-mvc-java/src/test/java/com/baeldung/htmlunit/TestConfig.java index 5b86b59095..529879fada 100644 --- a/spring-mvc-java/src/test/java/com/baeldung/htmlunit/TestConfig.java +++ b/spring-mvc-java/src/test/java/com/baeldung/htmlunit/TestConfig.java @@ -9,7 +9,6 @@ import org.springframework.context.annotation.Configuration; import org.springframework.web.servlet.ViewResolver; import org.springframework.web.servlet.config.annotation.EnableWebMvc; import org.springframework.web.servlet.config.annotation.WebMvcConfigurer; -import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter; import org.thymeleaf.spring4.SpringTemplateEngine; import org.thymeleaf.spring4.view.ThymeleafViewResolver; import org.thymeleaf.templateresolver.ServletContextTemplateResolver; diff --git a/spring-mvc-java/src/test/java/com/baeldung/web/controller/ClassValidationMvcIntegrationTest.java b/spring-mvc-java/src/test/java/com/baeldung/web/controller/ClassValidationMvcIntegrationTest.java index a86f71011c..2cd225a775 100644 --- a/spring-mvc-java/src/test/java/com/baeldung/web/controller/ClassValidationMvcIntegrationTest.java +++ b/spring-mvc-java/src/test/java/com/baeldung/web/controller/ClassValidationMvcIntegrationTest.java @@ -1,6 +1,5 @@ package com.baeldung.web.controller; -import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get; import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print; import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.model; import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status; diff --git a/spring-mvc-java/src/test/java/com/baeldung/web/controller/GreetControllerIntegrationTest.java b/spring-mvc-java/src/test/java/com/baeldung/web/controller/GreetControllerIntegrationTest.java index 384bd85ec6..bce5ab0a8c 100644 --- a/spring-mvc-java/src/test/java/com/baeldung/web/controller/GreetControllerIntegrationTest.java +++ b/spring-mvc-java/src/test/java/com/baeldung/web/controller/GreetControllerIntegrationTest.java @@ -20,7 +20,6 @@ import org.springframework.test.web.servlet.result.MockMvcResultMatchers; import org.springframework.test.web.servlet.setup.MockMvcBuilders; import org.springframework.web.context.WebApplicationContext; -import com.baeldung.spring.web.config.WebConfig; import com.baeldung.spring.web.config.WebConfig; @RunWith(SpringJUnit4ClassRunner.class) diff --git a/spring-mvc-simple/pom.xml b/spring-mvc-simple/pom.xml index 65fa4339d6..087ffea46d 100644 --- a/spring-mvc-simple/pom.xml +++ b/spring-mvc-simple/pom.xml @@ -154,25 +154,6 @@ ${deploy-path} - - maven-surefire-plugin - ${maven-surefire-plugin.version} - - - default-test - - true - - - - - - org.junit.platform - junit-platform-surefire-provider - ${junit.platform.version} - - - spring-mvc-simple diff --git a/spring-protobuf/pom.xml b/spring-protobuf/pom.xml index 1ab5048d27..372f969bd7 100644 --- a/spring-protobuf/pom.xml +++ b/spring-protobuf/pom.xml @@ -7,10 +7,10 @@ spring-protobuf - parent-boot-1 + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT - ../parent-boot-1 + ../parent-boot-2 @@ -36,21 +36,10 @@ - - - - org.springframework.boot - spring-boot-maven-plugin - - true - - - - - 3.1.0 1.4 + com.baeldung.protobuf.Application diff --git a/spring-protobuf/src/main/java/com/baeldung/protobuf/Application.java b/spring-protobuf/src/main/java/com/baeldung/protobuf/Application.java index 76f0e45244..fd36986549 100644 --- a/spring-protobuf/src/main/java/com/baeldung/protobuf/Application.java +++ b/spring-protobuf/src/main/java/com/baeldung/protobuf/Application.java @@ -1,22 +1,28 @@ package com.baeldung.protobuf; -import com.baeldung.protobuf.BaeldungTraining.Course; -import com.baeldung.protobuf.BaeldungTraining.Student; -import com.baeldung.protobuf.BaeldungTraining.Student.PhoneNumber; -import com.baeldung.protobuf.BaeldungTraining.Student.PhoneType; -import org.springframework.boot.autoconfigure.SpringBootApplication; -import org.springframework.context.annotation.Bean; -import org.springframework.http.converter.protobuf.ProtobufHttpMessageConverter; -import org.springframework.web.client.RestTemplate; - import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.List; import java.util.Map; +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.Bean; +import org.springframework.http.converter.protobuf.ProtobufHttpMessageConverter; +import org.springframework.web.client.RestTemplate; + +import com.baeldung.protobuf.BaeldungTraining.Course; +import com.baeldung.protobuf.BaeldungTraining.Student; +import com.baeldung.protobuf.BaeldungTraining.Student.PhoneNumber; +import com.baeldung.protobuf.BaeldungTraining.Student.PhoneType; + @SpringBootApplication public class Application { + + public static void main(String[] args) { + SpringApplication.run(Application.class, args); + } @Bean RestTemplate restTemplate(ProtobufHttpMessageConverter hmc) { diff --git a/spring-protobuf/src/test/java/com/baeldung/protobuf/ApplicationIntegrationTest.java b/spring-protobuf/src/test/java/com/baeldung/protobuf/ApplicationIntegrationTest.java index 4b9f41ace3..f0e2473ec4 100644 --- a/spring-protobuf/src/test/java/com/baeldung/protobuf/ApplicationIntegrationTest.java +++ b/spring-protobuf/src/test/java/com/baeldung/protobuf/ApplicationIntegrationTest.java @@ -16,12 +16,14 @@ import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; import org.springframework.boot.test.context.SpringBootTest.WebEnvironment; import org.springframework.http.ResponseEntity; +import org.springframework.test.annotation.DirtiesContext; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import org.springframework.web.client.RestTemplate; import com.baeldung.protobuf.BaeldungTraining.Course; import com.googlecode.protobuf.format.JsonFormat; +@DirtiesContext @RunWith(SpringJUnit4ClassRunner.class) @SpringBootTest(classes = Application.class, webEnvironment = WebEnvironment.DEFINED_PORT) public class ApplicationIntegrationTest { diff --git a/spring-protobuf/src/test/java/org/baeldung/SpringContextIntegrationTest.java b/spring-protobuf/src/test/java/org/baeldung/SpringContextIntegrationTest.java index 615ebd5f4a..6d021eb400 100644 --- a/spring-protobuf/src/test/java/org/baeldung/SpringContextIntegrationTest.java +++ b/spring-protobuf/src/test/java/org/baeldung/SpringContextIntegrationTest.java @@ -3,10 +3,12 @@ package org.baeldung; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.test.annotation.DirtiesContext; import org.springframework.test.context.junit4.SpringRunner; import com.baeldung.protobuf.Application; +@DirtiesContext @RunWith(SpringRunner.class) @SpringBootTest(classes = Application.class) public class SpringContextIntegrationTest { diff --git a/spring-quartz/pom.xml b/spring-quartz/pom.xml index 47ffeccba9..77424c219e 100644 --- a/spring-quartz/pom.xml +++ b/spring-quartz/pom.xml @@ -11,10 +11,10 @@ Demo project for Scheduling in Spring with Quartz - parent-boot-1 + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT - ../parent-boot-1 + ../parent-boot-2 diff --git a/spring-reactor/pom.xml b/spring-reactor/pom.xml index e828c44f74..c6ad99aea7 100644 --- a/spring-reactor/pom.xml +++ b/spring-reactor/pom.xml @@ -9,10 +9,10 @@ http://maven.apache.org - parent-boot-1 + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT - ../parent-boot-1 + ../parent-boot-2 @@ -27,7 +27,12 @@ io.projectreactor reactor-bus + 2.0.8.RELEASE + + + io.projectreactor + reactor-core + 2.0.8.RELEASE - diff --git a/spring-reactor/src/main/java/com/baeldung/controller/NotificationController.java b/spring-reactor/src/main/java/com/baeldung/controller/NotificationController.java index b17691498e..8665f247b0 100644 --- a/spring-reactor/src/main/java/com/baeldung/controller/NotificationController.java +++ b/spring-reactor/src/main/java/com/baeldung/controller/NotificationController.java @@ -1,14 +1,16 @@ package com.baeldung.controller; -import com.baeldung.doman.NotificationData; import org.springframework.beans.factory.annotation.Autowired; -import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.PathVariable; +import org.springframework.web.bind.annotation.RestController; + +import com.baeldung.doman.NotificationData; + import reactor.bus.Event; import reactor.bus.EventBus; -@Controller +@RestController public class NotificationController { @Autowired diff --git a/spring-remoting/pom.xml b/spring-remoting/pom.xml index 9f05bc91d2..060f33837c 100644 --- a/spring-remoting/pom.xml +++ b/spring-remoting/pom.xml @@ -7,13 +7,14 @@ pom 1.0-SNAPSHOT spring-remoting - Parent for all projects related to Spring Remoting. + Parent for all projects related to Spring Remoting, except remoting-hessian-burlap + - parent-boot-1 + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT - ../parent-boot-1 + ../parent-boot-2 @@ -28,8 +29,8 @@ - remoting-http remoting-hessian-burlap + remoting-http remoting-amqp remoting-jms remoting-rmi diff --git a/spring-remoting/remoting-amqp/remoting-amqp-server/src/test/java/org/baeldung/SpringContextIntegrationTest.java b/spring-remoting/remoting-amqp/remoting-amqp-server/src/test/java/org/baeldung/SpringContextManualTest.java similarity index 90% rename from spring-remoting/remoting-amqp/remoting-amqp-server/src/test/java/org/baeldung/SpringContextIntegrationTest.java rename to spring-remoting/remoting-amqp/remoting-amqp-server/src/test/java/org/baeldung/SpringContextManualTest.java index 5dc6d1df75..a6ee0b6000 100644 --- a/spring-remoting/remoting-amqp/remoting-amqp-server/src/test/java/org/baeldung/SpringContextIntegrationTest.java +++ b/spring-remoting/remoting-amqp/remoting-amqp-server/src/test/java/org/baeldung/SpringContextManualTest.java @@ -9,7 +9,7 @@ import com.baeldung.server.AmqpServer; @RunWith(SpringRunner.class) @SpringBootTest(classes = AmqpServer.class) -public class SpringContextIntegrationTest { +public class SpringContextManualTest { @Test public void whenSpringContextIsBootstrapped_thenNoExceptions() { diff --git a/spring-remoting/remoting-hessian-burlap/pom.xml b/spring-remoting/remoting-hessian-burlap/pom.xml index e63d0ee22e..8c30e76296 100644 --- a/spring-remoting/remoting-hessian-burlap/pom.xml +++ b/spring-remoting/remoting-hessian-burlap/pom.xml @@ -6,11 +6,13 @@ remoting-hessian-burlap pom remoting-hessian-burlap + 1.0-SNAPSHOT - spring-remoting + parent-boot-1 com.baeldung - 1.0-SNAPSHOT + 0.0.1-SNAPSHOT + ../../parent-boot-1 diff --git a/spring-remoting/remoting-jms/remoting-jms-server/src/test/java/org/baeldung/SpringContextIntegrationTest.java b/spring-remoting/remoting-jms/remoting-jms-server/src/test/java/org/baeldung/SpringContextManualTest.java similarity index 90% rename from spring-remoting/remoting-jms/remoting-jms-server/src/test/java/org/baeldung/SpringContextIntegrationTest.java rename to spring-remoting/remoting-jms/remoting-jms-server/src/test/java/org/baeldung/SpringContextManualTest.java index 5c9cc5f872..b806f21c27 100644 --- a/spring-remoting/remoting-jms/remoting-jms-server/src/test/java/org/baeldung/SpringContextIntegrationTest.java +++ b/spring-remoting/remoting-jms/remoting-jms-server/src/test/java/org/baeldung/SpringContextManualTest.java @@ -9,7 +9,7 @@ import com.baeldung.server.JmsServer; @SpringBootTest(classes = JmsServer.class) @RunWith(SpringRunner.class) -public class SpringContextIntegrationTest { +public class SpringContextManualTest { @Test public void whenSpringContextIsBootstrapped_thenNoExceptions() { diff --git a/spring-remoting/remoting-rmi/remoting-rmi-client/src/test/java/org/baeldung/SpringContextIntegrationTest.java b/spring-remoting/remoting-rmi/remoting-rmi-client/src/test/java/org/baeldung/SpringContextLiveTest.java similarity index 90% rename from spring-remoting/remoting-rmi/remoting-rmi-client/src/test/java/org/baeldung/SpringContextIntegrationTest.java rename to spring-remoting/remoting-rmi/remoting-rmi-client/src/test/java/org/baeldung/SpringContextLiveTest.java index 3460792fc6..3bace4cd1e 100644 --- a/spring-remoting/remoting-rmi/remoting-rmi-client/src/test/java/org/baeldung/SpringContextIntegrationTest.java +++ b/spring-remoting/remoting-rmi/remoting-rmi-client/src/test/java/org/baeldung/SpringContextLiveTest.java @@ -9,7 +9,7 @@ import com.baeldung.client.RmiClient; @SpringBootTest(classes = RmiClient.class) @RunWith(SpringRunner.class) -public class SpringContextIntegrationTest { +public class SpringContextLiveTest { @Test public void whenSpringContextIsBootstrapped_thenNoExceptions() { diff --git a/spring-security-mvc-login/src/main/java/com/baeldung/spring/MvcConfig.java b/spring-security-mvc-login/src/main/java/com/baeldung/spring/MvcConfig.java index a9c7e0cf15..082477c98c 100644 --- a/spring-security-mvc-login/src/main/java/com/baeldung/spring/MvcConfig.java +++ b/spring-security-mvc-login/src/main/java/com/baeldung/spring/MvcConfig.java @@ -1,7 +1,6 @@ package com.baeldung.spring; import org.springframework.context.annotation.Bean; -import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.Configuration; import org.springframework.web.servlet.ViewResolver; import org.springframework.web.servlet.config.annotation.EnableWebMvc; diff --git a/spring-security-rest-basic-auth/src/main/java/org/baeldung/client/RestTemplateFactory.java b/spring-security-rest-basic-auth/src/main/java/org/baeldung/client/RestTemplateFactory.java index 5e15648e9b..3ed0bc82b7 100644 --- a/spring-security-rest-basic-auth/src/main/java/org/baeldung/client/RestTemplateFactory.java +++ b/spring-security-rest-basic-auth/src/main/java/org/baeldung/client/RestTemplateFactory.java @@ -4,7 +4,7 @@ import org.apache.http.HttpHost; import org.springframework.beans.factory.FactoryBean; import org.springframework.beans.factory.InitializingBean; import org.springframework.http.client.ClientHttpRequestFactory; -import org.springframework.http.client.support.BasicAuthorizationInterceptor; +import org.springframework.http.client.support.BasicAuthenticationInterceptor; import org.springframework.stereotype.Component; import org.springframework.web.client.RestTemplate; @@ -38,7 +38,7 @@ public class RestTemplateFactory implements FactoryBean, Initializ HttpHost host = new HttpHost("localhost", 8082, "http"); final ClientHttpRequestFactory requestFactory = new HttpComponentsClientHttpRequestFactoryBasicAuth(host); restTemplate = new RestTemplate(requestFactory); - restTemplate.getInterceptors().add(new BasicAuthorizationInterceptor("user1", "user1Pass")); + restTemplate.getInterceptors().add(new BasicAuthenticationInterceptor("user1", "user1Pass")); } } \ No newline at end of file diff --git a/spring-security-rest-basic-auth/src/main/java/org/baeldung/spring/WebConfig.java b/spring-security-rest-basic-auth/src/main/java/org/baeldung/spring/WebConfig.java index 2305a7b6c2..5876e1307b 100644 --- a/spring-security-rest-basic-auth/src/main/java/org/baeldung/spring/WebConfig.java +++ b/spring-security-rest-basic-auth/src/main/java/org/baeldung/spring/WebConfig.java @@ -8,7 +8,6 @@ import org.springframework.http.converter.HttpMessageConverter; import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter; import org.springframework.web.servlet.config.annotation.EnableWebMvc; import org.springframework.web.servlet.config.annotation.WebMvcConfigurer; -import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter; @Configuration @EnableWebMvc diff --git a/spring-security-rest-basic-auth/src/test/java/org/baeldung/SpringContextIntegrationTest.java b/spring-security-rest-basic-auth/src/test/java/org/baeldung/SpringContextIntegrationTest.java index 6cf624c179..31b3f2be87 100644 --- a/spring-security-rest-basic-auth/src/test/java/org/baeldung/SpringContextIntegrationTest.java +++ b/spring-security-rest-basic-auth/src/test/java/org/baeldung/SpringContextIntegrationTest.java @@ -6,7 +6,7 @@ import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; @RunWith(SpringJUnit4ClassRunner.class) -@ContextConfiguration({ "/WebSecurityConfig.xml" }) +@ContextConfiguration({ "/webSecurityConfig.xml" }) public class SpringContextIntegrationTest { @Test diff --git a/spring-security-rest/src/test/java/org/baeldung/web/FooLiveTest.java b/spring-security-rest/src/test/java/org/baeldung/web/FooLiveTest.java index 0a53da674a..86beeb46a9 100644 --- a/spring-security-rest/src/test/java/org/baeldung/web/FooLiveTest.java +++ b/spring-security-rest/src/test/java/org/baeldung/web/FooLiveTest.java @@ -29,7 +29,7 @@ public class FooLiveTest { // } // return RestAssured.given().cookie("JSESSIONID", cookie); return RestAssured.given() - .auth() + .auth().preemptive() .basic("user", "userPass"); } diff --git a/spring-security-x509/keystore/Makefile b/spring-security-x509/keystore/Makefile index 63498fea76..2b5b5e8abe 100644 --- a/spring-security-x509/keystore/Makefile +++ b/spring-security-x509/keystore/Makefile @@ -20,65 +20,65 @@ all: clean create-keystore add-host create-truststore add-client create-keystore: # Generate a certificate authority (CA) - keytool -genkey -alias ca -ext BC=ca:true \ + keytool -genkey -alias ca -ext san=dns:localhost,ip:127.0.0.1 -ext BC=ca:true \ -keyalg RSA -keysize 4096 -sigalg SHA512withRSA -keypass $(PASSWORD) \ -validity 3650 -dname $(DNAME_CA) \ -keystore $(KEYSTORE) -storepass $(PASSWORD) add-host: # Generate a host certificate - keytool -genkey -alias $(HOSTNAME) \ + keytool -genkey -alias $(HOSTNAME) -ext san=dns:localhost,ip:127.0.0.1 \ -keyalg RSA -keysize 4096 -sigalg SHA512withRSA -keypass $(PASSWORD) \ -validity 3650 -dname $(DNAME_HOST) \ -keystore $(KEYSTORE) -storepass $(PASSWORD) # Generate a host certificate signing request - keytool -certreq -alias $(HOSTNAME) -ext BC=ca:true \ + keytool -certreq -alias $(HOSTNAME) -ext san=dns:localhost,ip:127.0.0.1 -ext BC=ca:true \ -keyalg RSA -keysize 4096 -sigalg SHA512withRSA \ -validity 3650 -file "$(HOSTNAME).csr" \ -keystore $(KEYSTORE) -storepass $(PASSWORD) # Generate signed certificate with the certificate authority - keytool -gencert -alias ca \ + keytool -gencert -alias ca -ext san=dns:localhost,ip:127.0.0.1 \ -validity 3650 -sigalg SHA512withRSA \ -infile "$(HOSTNAME).csr" -outfile "$(HOSTNAME).crt" -rfc \ -keystore $(KEYSTORE) -storepass $(PASSWORD) # Import signed certificate into the keystore - keytool -import -trustcacerts -alias $(HOSTNAME) \ + keytool -import -trustcacerts -alias $(HOSTNAME) -ext san=dns:localhost,ip:127.0.0.1 \ -file "$(HOSTNAME).crt" \ -keystore $(KEYSTORE) -storepass $(PASSWORD) export-authority: # Export certificate authority - keytool -export -alias ca -file ca.crt -rfc \ + keytool -export -alias ca -ext san=dns:localhost,ip:127.0.0.1 -file ca.crt -rfc \ -keystore $(KEYSTORE) -storepass $(PASSWORD) create-truststore: export-authority # Import certificate authority into a new truststore - keytool -import -trustcacerts -noprompt -alias ca -file ca.crt \ + keytool -import -trustcacerts -noprompt -alias ca -ext san=dns:localhost,ip:127.0.0.1 -file ca.crt \ -keystore $(TRUSTSTORE) -storepass $(PASSWORD) add-client: # Generate client certificate - keytool -genkey -alias $(CLIENTNAME) \ + keytool -genkey -alias $(CLIENTNAME) -ext san=dns:localhost,ip:127.0.0.1 \ -keyalg RSA -keysize 4096 -sigalg SHA512withRSA -keypass $(PASSWORD) \ -validity 3650 -dname $(DNAME_CLIENT) \ -keystore $(TRUSTSTORE) -storepass $(PASSWORD) # Generate a host certificate signing request - keytool -certreq -alias $(CLIENTNAME) -ext BC=ca:true \ + keytool -certreq -alias $(CLIENTNAME) -ext san=dns:localhost,ip:127.0.0.1 -ext BC=ca:true \ -keyalg RSA -keysize 4096 -sigalg SHA512withRSA \ -validity 3650 -file "$(CLIENTNAME).csr" \ -keystore $(TRUSTSTORE) -storepass $(PASSWORD) # Generate signed certificate with the certificate authority - keytool -gencert -alias ca \ + keytool -gencert -alias ca -ext san=dns:localhost,ip:127.0.0.1 \ -validity 3650 -sigalg SHA512withRSA \ -infile "$(CLIENTNAME).csr" -outfile "$(CLIENTNAME).crt" -rfc \ -keystore $(KEYSTORE) -storepass $(PASSWORD) # Import signed certificate into the truststore - keytool -import -trustcacerts -alias $(CLIENTNAME) \ + keytool -import -trustcacerts -alias $(CLIENTNAME) -ext san=dns:localhost,ip:127.0.0.1 \ -file "$(CLIENTNAME).crt" \ -keystore $(TRUSTSTORE) -storepass $(PASSWORD) # Export private certificate for importing into a browser - keytool -importkeystore -srcalias $(CLIENTNAME) \ + keytool -importkeystore -srcalias $(CLIENTNAME) -ext san=dns:localhost,ip:127.0.0.1 \ -srckeystore $(TRUSTSTORE) -srcstorepass $(PASSWORD) \ -destkeystore "$(CLIENTNAME).p12" -deststorepass $(PASSWORD) \ -deststoretype PKCS12 diff --git a/spring-sleuth/pom.xml b/spring-sleuth/pom.xml index dd4477c551..c693466ab0 100644 --- a/spring-sleuth/pom.xml +++ b/spring-sleuth/pom.xml @@ -9,10 +9,10 @@ spring-sleuth - parent-boot-1 + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT - ../parent-boot-1 + ../parent-boot-2 diff --git a/spring-static-resources/src/main/java/org/baeldung/spring/MvcConfig.java b/spring-static-resources/src/main/java/org/baeldung/spring/MvcConfig.java index dbc548e028..7bd03617be 100644 --- a/spring-static-resources/src/main/java/org/baeldung/spring/MvcConfig.java +++ b/spring-static-resources/src/main/java/org/baeldung/spring/MvcConfig.java @@ -18,7 +18,7 @@ import org.springframework.web.servlet.config.annotation.ViewControllerRegistry; import org.springframework.web.servlet.config.annotation.WebMvcConfigurer; import org.springframework.web.servlet.i18n.CookieLocaleResolver; import org.springframework.web.servlet.i18n.LocaleChangeInterceptor; -import org.springframework.web.servlet.resource.GzipResourceResolver; +import org.springframework.web.servlet.resource.EncodedResourceResolver; import org.springframework.web.servlet.resource.PathResourceResolver; import org.springframework.web.servlet.resource.ResourceUrlEncodingFilter; import org.springframework.web.servlet.view.InternalResourceViewResolver; @@ -57,10 +57,10 @@ public class MvcConfig implements WebMvcConfigurer { public void addResourceHandlers(ResourceHandlerRegistry registry) { // For examples using Spring 4.1.0 if ((env.getProperty("resource.handler.conf")).equals("4.1.0")) { - registry.addResourceHandler("/js/**").addResourceLocations("/js/").setCachePeriod(3600).resourceChain(true).addResolver(new GzipResourceResolver()).addResolver(new PathResourceResolver()); + registry.addResourceHandler("/js/**").addResourceLocations("/js/").setCachePeriod(3600).resourceChain(true).addResolver(new EncodedResourceResolver()).addResolver(new PathResourceResolver()); registry.addResourceHandler("/resources/**").addResourceLocations("/resources/", "classpath:/other-resources/").setCachePeriod(3600).resourceChain(true).addResolver(new PathResourceResolver()); registry.addResourceHandler("/files/**").addResourceLocations("file:/Users/Elena/").setCachePeriod(3600).resourceChain(true).addResolver(new PathResourceResolver()); - registry.addResourceHandler("/other-files/**").addResourceLocations("file:/Users/Elena/").setCachePeriod(3600).resourceChain(true).addResolver(new GzipResourceResolver()); + registry.addResourceHandler("/other-files/**").addResourceLocations("file:/Users/Elena/").setCachePeriod(3600).resourceChain(true).addResolver(new EncodedResourceResolver()); } // For examples using Spring 4.0.7 else if ((env.getProperty("resource.handler.conf")).equals("4.0.7")) { diff --git a/spring-vertx/pom.xml b/spring-vertx/pom.xml index 14ed77d359..7a0bdc81d0 100644 --- a/spring-vertx/pom.xml +++ b/spring-vertx/pom.xml @@ -8,10 +8,10 @@ A demo project with vertx spring integration - parent-boot-1 + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT - ../parent-boot-1 + ../parent-boot-2 diff --git a/spring-zuul/pom.xml b/spring-zuul/pom.xml index 266c20adee..a8c891cd89 100644 --- a/spring-zuul/pom.xml +++ b/spring-zuul/pom.xml @@ -1,7 +1,8 @@ - 4.0.0 - + com.baeldung spring-zuul 1.0.0-SNAPSHOT @@ -9,10 +10,10 @@ pom - parent-boot-1 + parent-boot-2 com.baeldung 0.0.1-SNAPSHOT - ../parent-boot-1 + ../parent-boot-2 @@ -38,11 +39,22 @@ - 1.2.7.RELEASE + 2.1.0.RC3 3.5 2.6 + + + spring-milestones + Spring Milestones + http://repo.spring.io/milestone + + false + + + + \ No newline at end of file diff --git a/spring-zuul/spring-zuul-foos-resource/src/main/java/org/baeldung/config/ResourceServerApplication.java b/spring-zuul/spring-zuul-foos-resource/src/main/java/org/baeldung/config/ResourceServerApplication.java index 9f1d2e162b..77eabe771b 100644 --- a/spring-zuul/spring-zuul-foos-resource/src/main/java/org/baeldung/config/ResourceServerApplication.java +++ b/spring-zuul/spring-zuul-foos-resource/src/main/java/org/baeldung/config/ResourceServerApplication.java @@ -2,7 +2,7 @@ package org.baeldung.config; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; -import org.springframework.boot.web.support.SpringBootServletInitializer; +import org.springframework.boot.web.servlet.support.SpringBootServletInitializer; @SpringBootApplication public class ResourceServerApplication extends SpringBootServletInitializer { diff --git a/spring-zuul/spring-zuul-foos-resource/src/main/java/org/baeldung/config/ResourceServerWebConfig.java b/spring-zuul/spring-zuul-foos-resource/src/main/java/org/baeldung/config/ResourceServerWebConfig.java index c040c8ac42..1a45d20edb 100644 --- a/spring-zuul/spring-zuul-foos-resource/src/main/java/org/baeldung/config/ResourceServerWebConfig.java +++ b/spring-zuul/spring-zuul-foos-resource/src/main/java/org/baeldung/config/ResourceServerWebConfig.java @@ -3,11 +3,11 @@ package org.baeldung.config; import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.Configuration; import org.springframework.web.servlet.config.annotation.EnableWebMvc; -import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter; +import org.springframework.web.servlet.config.annotation.WebMvcConfigurer; @Configuration @EnableWebMvc @ComponentScan({ "org.baeldung.web.controller" }) -public class ResourceServerWebConfig extends WebMvcConfigurerAdapter { +public class ResourceServerWebConfig implements WebMvcConfigurer { } diff --git a/spring-zuul/spring-zuul-foos-resource/src/main/resources/application.properties b/spring-zuul/spring-zuul-foos-resource/src/main/resources/application.properties index 94c0984ac3..9298027030 100644 --- a/spring-zuul/spring-zuul-foos-resource/src/main/resources/application.properties +++ b/spring-zuul/spring-zuul-foos-resource/src/main/resources/application.properties @@ -1,2 +1,2 @@ -server.contextPath=/spring-zuul-foos-resource -server.port=8081 \ No newline at end of file +server.servlet.context-path=/spring-zuul-foos-resource +server.port=8081 diff --git a/spring-zuul/spring-zuul-ui/pom.xml b/spring-zuul/spring-zuul-ui/pom.xml index 6090f5f8b8..159decd331 100644 --- a/spring-zuul/spring-zuul-ui/pom.xml +++ b/spring-zuul/spring-zuul-ui/pom.xml @@ -15,7 +15,7 @@ org.springframework.cloud - spring-cloud-starter-zuul + spring-cloud-starter-netflix-zuul ${spring-cloud.version} diff --git a/spring-zuul/spring-zuul-ui/src/main/java/org/baeldung/config/UiApplication.java b/spring-zuul/spring-zuul-ui/src/main/java/org/baeldung/config/UiApplication.java index b8eda25960..d3e13639ef 100644 --- a/spring-zuul/spring-zuul-ui/src/main/java/org/baeldung/config/UiApplication.java +++ b/spring-zuul/spring-zuul-ui/src/main/java/org/baeldung/config/UiApplication.java @@ -2,7 +2,7 @@ package org.baeldung.config; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; -import org.springframework.boot.web.support.SpringBootServletInitializer; +import org.springframework.boot.web.servlet.support.SpringBootServletInitializer; import org.springframework.cloud.netflix.zuul.EnableZuulProxy; @EnableZuulProxy diff --git a/spring-zuul/spring-zuul-ui/src/main/java/org/baeldung/config/UiWebConfig.java b/spring-zuul/spring-zuul-ui/src/main/java/org/baeldung/config/UiWebConfig.java index 0732182354..7cda1f0e95 100644 --- a/spring-zuul/spring-zuul-ui/src/main/java/org/baeldung/config/UiWebConfig.java +++ b/spring-zuul/spring-zuul-ui/src/main/java/org/baeldung/config/UiWebConfig.java @@ -7,11 +7,11 @@ import org.springframework.web.servlet.config.annotation.DefaultServletHandlerCo import org.springframework.web.servlet.config.annotation.EnableWebMvc; import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry; import org.springframework.web.servlet.config.annotation.ViewControllerRegistry; -import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter; +import org.springframework.web.servlet.config.annotation.WebMvcConfigurer; @Configuration @EnableWebMvc -public class UiWebConfig extends WebMvcConfigurerAdapter { +public class UiWebConfig implements WebMvcConfigurer { @Bean public static PropertySourcesPlaceholderConfigurer propertySourcesPlaceholderConfigurer() { @@ -25,7 +25,6 @@ public class UiWebConfig extends WebMvcConfigurerAdapter { @Override public void addViewControllers(final ViewControllerRegistry registry) { - super.addViewControllers(registry); registry.addViewController("/").setViewName("forward:/index"); registry.addViewController("/index"); registry.addViewController("/login"); diff --git a/testing-modules/junit-5/src/test/java/com/baeldung/TestLauncher.java b/testing-modules/junit-5/src/test/java/com/baeldung/TestLauncher.java index f9766d2bd9..2e477084aa 100644 --- a/testing-modules/junit-5/src/test/java/com/baeldung/TestLauncher.java +++ b/testing-modules/junit-5/src/test/java/com/baeldung/TestLauncher.java @@ -18,9 +18,9 @@ public class TestLauncher { //@formatter:off LauncherDiscoveryRequest request = LauncherDiscoveryRequestBuilder.request() - .selectors(selectClass("com.baeldung.EmployeesTest")) + .selectors(selectClass("com.baeldung.EmployeesUnitTest")) .configurationParameter("junit.conditions.deactivate", "com.baeldung.extensions.*") - .configurationParameter("junit.extensions.autodetection.enabled", "true") + .configurationParameter("junit.jupiter.extensions.autodetection.enabled", "true") .build(); //@formatter:on