Merge branch 'master' into BAEL-3760_Introduction_to_Takes
# Conflicts: # libraries-3/pom.xml
This commit is contained in:
Anshul BANSAL
commit
e95f426032
@ -16,4 +16,8 @@ This module contains articles about algorithms. Some classes of algorithms, e.g.
|
||||
- [Maximum Subarray Problem](https://www.baeldung.com/java-maximum-subarray)
|
||||
- [How to Merge Two Sorted Arrays](https://www.baeldung.com/java-merge-sorted-arrays)
|
||||
- [Median of Stream of Integers using Heap](https://www.baeldung.com/java-stream-integers-median-using-heap)
|
||||
- [Kruskal’s Algorithm for Spanning Trees](https://www.baeldung.com/java-spanning-trees-kruskal)
|
||||
- [Balanced Brackets Algorithm in Java](https://www.baeldung.com/java-balanced-brackets-algorithm)
|
||||
- [Efficiently Merge Sorted Java Sequences](https://www.baeldung.com/java-merge-sorted-sequences)
|
||||
- [Introduction to Greedy Algorithms with Java](https://www.baeldung.com/java-greedy-algorithms)
|
||||
- More articles: [[<-- prev]](/../algorithms-miscellaneous-4)
|
||||
|
||||
3
algorithms-sorting-2/README.md
Normal file
3
algorithms-sorting-2/README.md
Normal file
@ -0,0 +1,3 @@
|
||||
### Relevant Articles:
|
||||
|
||||
- [Partitioning and Sorting Arrays with Many Repeated Entries](https://www.baeldung.com/java-sorting-arrays-with-repeated-entries)
|
||||
@ -6,3 +6,6 @@ This module contains articles about Apache POI
|
||||
- [Microsoft Word Processing in Java with Apache POI](https://www.baeldung.com/java-microsoft-word-with-apache-poi)
|
||||
- [Working with Microsoft Excel in Java](https://www.baeldung.com/java-microsoft-excel)
|
||||
- [Creating a MS PowerPoint Presentation in Java](https://www.baeldung.com/apache-poi-slideshow)
|
||||
- [Merge Cells in Excel Using Apache POI](https://www.baeldung.com/java-apache-poi-merge-cells)
|
||||
- [Get String Value of Excel Cell with Apache POI](https://www.baeldung.com/java-apache-poi-cell-string-value)
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||||
- [Read Excel Cell Value Rather Than Formula With Apache POI](https://github.com/eugenp/tutorials/tree/master/apache-poi)
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
package com.baeldung.poi.excel;
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||||
package com.baeldung.poi.excel.merge;
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||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
|
||||
@ -3,3 +3,5 @@
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||||
This module contains articles about Apache RocketMQ
|
||||
|
||||
### Relevant Articles:
|
||||
|
||||
- [Apache RocketMQ with Spring Boot](https://www.baeldung.com/apache-rocketmq-spring-boot)
|
||||
|
||||
@ -106,7 +106,7 @@
|
||||
<arguments>
|
||||
<argument>java</argument>
|
||||
<argument>-jar</argument>
|
||||
<argument>sample-blade-app.jar</argument>
|
||||
<argument>blade.jar</argument>
|
||||
</arguments>
|
||||
</configuration>
|
||||
</execution>
|
||||
|
||||
@ -1,3 +1,4 @@
|
||||
### Relevant articles:
|
||||
|
||||
- [Java Switch Statement](https://www.baeldung.com/java-switch)
|
||||
- [New Java 13 Features](https://www.baeldung.com/java-13-new-features)
|
||||
|
||||
@ -13,4 +13,5 @@ This module contains articles about Java arrays
|
||||
- [Removing an Element from an Array in Java](https://www.baeldung.com/java-array-remove-element)
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||||
- [Removing the First Element of an Array](https://www.baeldung.com/java-array-remove-first-element)
|
||||
- [Adding an Element to a Java Array vs an ArrayList](https://www.baeldung.com/java-add-element-to-array-vs-list)
|
||||
- [Arrays.sort vs Arrays.parallelSort](https://www.baeldung.com/java-arrays-sort-vs-parallelsort)
|
||||
- [[<-- Prev]](/core-java-modules/core-java-arrays)
|
||||
|
||||
@ -69,7 +69,7 @@ public class SortComparisonUnitTest {
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}
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|
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@Test
|
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public void givenArrayOfIntegers_whenUsingArraysSortMethodWithRange_thenSortRangeOfArrayInAscendingOrder() {
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public void givenArrayOfIntegers_whenUsingArraysSortWithRange_thenSortRangeOfArrayAsc() {
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int[] array = { 10, 4, 6, 2, 1, 9, 7, 8, 3, 5 };
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int[] expected = { 10, 4, 1, 2, 6, 7, 8, 9, 3, 5 };
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|
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@ -89,7 +89,7 @@ public class SortComparisonUnitTest {
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}
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@Test
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public void givenArrayOfIntegers_whenUsingArraysParallelSortMethodWithRange_thenSortRangeOfArrayInAscendingOrder() {
|
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public void givenArrayOfIntegers_whenUsingArraysParallelSortWithRange_thenSortRangeOfArrayAsc() {
|
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int[] array = { 10, 4, 6, 2, 1, 9, 7, 8, 3, 5 };
|
||||
int[] expected = { 10, 4, 1, 2, 6, 7, 8, 9, 3, 5 };
|
||||
|
||||
|
||||
5
core-java-modules/core-java-arrays-3/README.md
Normal file
5
core-java-modules/core-java-arrays-3/README.md
Normal file
@ -0,0 +1,5 @@
|
||||
## Core Java Arrays (Part 3)
|
||||
|
||||
This module contains articles about Java arrays
|
||||
|
||||
## Relevant Articles
|
||||
31
core-java-modules/core-java-arrays-3/pom.xml
Normal file
31
core-java-modules/core-java-arrays-3/pom.xml
Normal file
@ -0,0 +1,31 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project xmlns="http://maven.apache.org/POM/4.0.0"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<artifactId>core-java-arrays-3</artifactId>
|
||||
<version>0.1.0-SNAPSHOT</version>
|
||||
<name>core-java-arrays-3</name>
|
||||
<packaging>jar</packaging>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>parent-java</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<relativePath>../../parent-java</relativePath>
|
||||
</parent>
|
||||
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.assertj</groupId>
|
||||
<artifactId>assertj-core</artifactId>
|
||||
<version>${assertj.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<properties>
|
||||
<assertj.version>3.14.0</assertj.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
@ -0,0 +1,96 @@
|
||||
package com.baeldung.arrays.deepequals;
|
||||
|
||||
import static org.junit.Assert.assertFalse;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.Objects;
|
||||
import org.junit.jupiter.api.Test;
|
||||
|
||||
public class ArraysDeepEqualsUnitTest {
|
||||
|
||||
class Person {
|
||||
private int id;
|
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private String name;
|
||||
private int age;
|
||||
|
||||
Person(int id, String name, int age) {
|
||||
this.id = id;
|
||||
this.name = name;
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||||
this.age = age;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) {
|
||||
return true;
|
||||
}
|
||||
if (obj == null) {
|
||||
return false;
|
||||
}
|
||||
if (!(obj instanceof Person))
|
||||
return false;
|
||||
Person person = (Person) obj;
|
||||
return id == person.id && name.equals(person.name) && age == person.age;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Objects.hash(id, name, age);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenTwoUnidimensionalObjectTypeArrays_whenUsingEqualsAndDeepEquals_thenBothShouldReturnTrue() {
|
||||
Object[] anArray = new Object[] { "string1", "string2", "string3" };
|
||||
Object[] anotherArray = new Object[] { "string1", "string2", "string3" };
|
||||
|
||||
assertTrue(Arrays.equals(anArray, anotherArray));
|
||||
assertTrue(Arrays.deepEquals(anArray, anotherArray));
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenTwoUnidimensionalObjectTypeArraysWithNullElements_whenUsingEqualsAndDeepEquals_thenBothShouldReturnTrue() {
|
||||
Object[] anArray = new Object[] { "string1", null, "string3" };
|
||||
Object[] anotherArray = new Object[] { "string1", null, "string3" };
|
||||
|
||||
assertTrue(Arrays.equals(anArray, anotherArray));
|
||||
assertTrue(Arrays.deepEquals(anArray, anotherArray));
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenTwoUnidimensionalObjectTypeArraysWithNestedElements_whenUsingEqualsAndDeepEquals_thenShouldReturnDifferently() {
|
||||
Object[] anArray = new Object[] { "string1", null, new String[] { "nestedString1", "nestedString2" } };
|
||||
Object[] anotherArray = new Object[] { "string1", null, new String[] { "nestedString1", "nestedString2" } };
|
||||
|
||||
assertFalse(Arrays.equals(anArray, anotherArray));
|
||||
assertTrue(Arrays.deepEquals(anArray, anotherArray));
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenTwoMultidimensionalPrimitiveTypeArrays_whenUsingEqualsAndDeepEquals_thenBothShouldReturnDifferently() {
|
||||
int[][] anArray = { { 1, 2, 3 }, { 4, 5, 6, 9 }, { 7 } };
|
||||
int[][] anotherArray = { { 1, 2, 3 }, { 4, 5, 6, 9 }, { 7 } };
|
||||
|
||||
assertFalse(Arrays.equals(anArray, anotherArray));
|
||||
assertTrue(Arrays.deepEquals(anArray, anotherArray));
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenTwoMultidimensionalObjectTypeArrays_whenUsingEqualsAndDeepEquals_thenBothShouldReturnDifferently() {
|
||||
Person personArray1[][] = { { new Person(1, "John", 22), new Person(2, "Mike", 23) }, { new Person(3, "Steve", 27), new Person(4, "Gary", 28) } };
|
||||
Person personArray2[][] = { { new Person(1, "John", 22), new Person(2, "Mike", 23) }, { new Person(3, "Steve", 27), new Person(4, "Gary", 28) } };
|
||||
|
||||
assertFalse(Arrays.equals(personArray1, personArray2));
|
||||
assertTrue(Arrays.deepEquals(personArray1, personArray2));
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenTwoMultidimensionalObjectTypeArrays_whenUsingDeepEqualsFromObjectsAndArraysClasses_thenBothShouldReturnTrue() {
|
||||
Person personArray1[][] = { { new Person(1, "John", 22), new Person(2, "Mike", 23) }, { new Person(3, "Steve", 27), new Person(4, "Gary", 28) } };
|
||||
Person personArray2[][] = { { new Person(1, "John", 22), new Person(2, "Mike", 23) }, { new Person(3, "Steve", 27), new Person(4, "Gary", 28) } };
|
||||
|
||||
assertTrue(Objects.deepEquals(personArray1, personArray2));
|
||||
assertTrue(Arrays.deepEquals(personArray1, personArray2));
|
||||
}
|
||||
}
|
||||
@ -1,20 +0,0 @@
|
||||
package com.baeldung.array;
|
||||
|
||||
public class Find2ndLargestInArray {
|
||||
|
||||
public static int find2ndLargestElement(int[] array) {
|
||||
int maxElement = array[0];
|
||||
int secondLargestElement = -1;
|
||||
|
||||
for (int index = 0; index < array.length; index++) {
|
||||
if (maxElement <= array[index]) {
|
||||
secondLargestElement = maxElement;
|
||||
maxElement = array[index];
|
||||
} else if (secondLargestElement < array[index]) {
|
||||
secondLargestElement = array[index];
|
||||
}
|
||||
}
|
||||
return secondLargestElement;
|
||||
}
|
||||
|
||||
}
|
||||
@ -1,22 +0,0 @@
|
||||
package com.baeldung.array;
|
||||
|
||||
import java.util.Arrays;
|
||||
|
||||
public class FindElementInArray {
|
||||
|
||||
public static boolean findGivenElementInArrayWithoutUsingStream(int[] array, int element) {
|
||||
boolean actualResult = false;
|
||||
|
||||
for (int index = 0; index < array.length; index++) {
|
||||
if (element == array[index]) {
|
||||
actualResult = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
return actualResult;
|
||||
}
|
||||
|
||||
public static boolean findGivenElementInArrayUsingStream(int[] array, int element) {
|
||||
return Arrays.stream(array).filter(x -> element == x).findFirst().isPresent();
|
||||
}
|
||||
}
|
||||
@ -1,16 +0,0 @@
|
||||
package com.baeldung.array;
|
||||
|
||||
import org.junit.Assert;
|
||||
import org.junit.Test;
|
||||
|
||||
public class Find2ndLargestInArrayUnitTest {
|
||||
@Test
|
||||
public void givenAnIntArray_thenFind2ndLargestElement() {
|
||||
int[] array = { 1, 3, 24, 16, 87, 20 };
|
||||
int expected2ndLargest = 24;
|
||||
|
||||
int actualSecondLargestElement = Find2ndLargestInArray.find2ndLargestElement(array);
|
||||
|
||||
Assert.assertEquals(expected2ndLargest, actualSecondLargestElement);
|
||||
}
|
||||
}
|
||||
@ -1,35 +0,0 @@
|
||||
package com.baeldung.array;
|
||||
|
||||
import org.junit.Assert;
|
||||
import org.junit.Test;
|
||||
|
||||
public class FindElementInArrayUnitTest {
|
||||
@Test
|
||||
public void givenAnIntArray_whenNotUsingStream_thenFindAnElement() {
|
||||
int[] array = { 1, 3, 4, 8, 19, 20 };
|
||||
int element = 19;
|
||||
boolean expectedResult = true;
|
||||
boolean actualResult = FindElementInArray.findGivenElementInArrayWithoutUsingStream(array, element);
|
||||
Assert.assertEquals(expectedResult, actualResult);
|
||||
|
||||
element = 78;
|
||||
expectedResult = false;
|
||||
actualResult = FindElementInArray.findGivenElementInArrayWithoutUsingStream(array, element);
|
||||
Assert.assertEquals(expectedResult, actualResult);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAnIntArray_whenUsingStream_thenFindAnElement() {
|
||||
int[] array = { 15, 16, 12, 18 };
|
||||
int element = 16;
|
||||
boolean expectedResult = true;
|
||||
boolean actualResult = FindElementInArray.findGivenElementInArrayUsingStream(array, element);
|
||||
Assert.assertEquals(expectedResult, actualResult);
|
||||
|
||||
element = 20;
|
||||
expectedResult = false;
|
||||
actualResult = FindElementInArray.findGivenElementInArrayUsingStream(array, element);
|
||||
Assert.assertEquals(expectedResult, actualResult);
|
||||
}
|
||||
|
||||
}
|
||||
@ -8,4 +8,6 @@ This module contains articles about advanced topics about multithreading with co
|
||||
|
||||
- [Common Concurrency Pitfalls in Java](https://www.baeldung.com/java-common-concurrency-pitfalls)
|
||||
- [Guide to RejectedExecutionHandler](https://www.baeldung.com/java-rejectedexecutionhandler)
|
||||
[[<-- previous]](/core-java-modules/core-java-concurrency-advanced-2)
|
||||
- [Guide to Work Stealing in Java](https://www.baeldung.com/java-work-stealing)
|
||||
- [Asynchronous Programming in Java](https://www.baeldung.com/java-asynchronous-programming)
|
||||
- [[<-- previous]](/core-java-modules/core-java-concurrency-advanced-2)
|
||||
|
||||
@ -6,4 +6,5 @@ This module contains articles about date operations in Java.
|
||||
- [Skipping Weekends While Adding Days to LocalDate in Java 8](https://www.baeldung.com/java-localdate-add-days-skip-weekends)
|
||||
- [Checking If Two Java Dates Are on the Same Day](https://www.baeldung.com/java-check-two-dates-on-same-day)
|
||||
- [Converting Java Date to OffsetDateTime](https://www.baeldung.com/java-convert-date-to-offsetdatetime)
|
||||
- [How to Set the JVM Time Zone](https://www.baeldung.com/java-jvm-time-zone)
|
||||
- [[<-- Prev]](/core-java-modules/core-java-date-operations-1)
|
||||
|
||||
3
core-java-modules/core-java-datetime-java8-2/README.md
Normal file
3
core-java-modules/core-java-datetime-java8-2/README.md
Normal file
@ -0,0 +1,3 @@
|
||||
### Relevant Articles:
|
||||
|
||||
- [Creating a LocalDate with Values in Java](https://www.baeldung.com/java-creating-localdate-with-values)
|
||||
@ -6,3 +6,4 @@ This module contains articles about core java exceptions
|
||||
|
||||
- [Is It a Bad Practice to Catch Throwable?](https://www.baeldung.com/java-catch-throwable-bad-practice)
|
||||
- [Wrapping vs Rethrowing Exceptions in Java](https://www.baeldung.com/java-wrapping-vs-rethrowing-exceptions)
|
||||
- [java.net.UnknownHostException: Invalid Hostname for Server](https://www.baeldung.com/java-unknownhostexception)
|
||||
|
||||
@ -0,0 +1,32 @@
|
||||
package com.baeldung.socketexception;
|
||||
|
||||
import java.io.BufferedReader;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStreamReader;
|
||||
import java.io.PrintWriter;
|
||||
import java.net.Socket;
|
||||
|
||||
public class SocketClient {
|
||||
|
||||
private Socket clientSocket;
|
||||
private PrintWriter out;
|
||||
private BufferedReader in;
|
||||
|
||||
public void startConnection(String ip, int port) throws IOException {
|
||||
clientSocket = new Socket(ip, port);
|
||||
out = new PrintWriter(clientSocket.getOutputStream(), true);
|
||||
in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
|
||||
}
|
||||
|
||||
public String sendMessage(String msg) throws IOException {
|
||||
out.println(msg);
|
||||
return in.readLine();
|
||||
}
|
||||
|
||||
public void stopConnection() throws IOException {
|
||||
in.close();
|
||||
out.close();
|
||||
clientSocket.close();
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,45 @@
|
||||
package com.baeldung.socketexception;
|
||||
|
||||
import java.io.BufferedReader;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStreamReader;
|
||||
import java.io.PrintWriter;
|
||||
import java.net.ServerSocket;
|
||||
import java.net.Socket;
|
||||
|
||||
public class SocketServer {
|
||||
|
||||
private ServerSocket serverSocket;
|
||||
private Socket clientSocket;
|
||||
private PrintWriter out;
|
||||
private BufferedReader in;
|
||||
|
||||
public void start(int port) {
|
||||
try {
|
||||
serverSocket = new ServerSocket(port);
|
||||
clientSocket = serverSocket.accept();
|
||||
out = new PrintWriter(clientSocket.getOutputStream(), true);
|
||||
in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
|
||||
String msg = in.readLine();
|
||||
if (msg.contains("hi"))
|
||||
out.println("hi");
|
||||
else
|
||||
out.println("didn't understand");
|
||||
close();
|
||||
stop();
|
||||
} catch (IOException e) {
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
private void close() throws IOException {
|
||||
in.close();
|
||||
out.close();
|
||||
}
|
||||
|
||||
private void stop() throws IOException {
|
||||
clientSocket.close();
|
||||
serverSocket.close();
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,31 @@
|
||||
package com.baeldung.socketexception;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.net.SocketException;
|
||||
import java.util.concurrent.Executors;
|
||||
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Test;
|
||||
|
||||
public class SocketExceptionHandlingUnitTest {
|
||||
|
||||
@BeforeClass
|
||||
public static void runServer() throws IOException, InterruptedException {
|
||||
Executors.newSingleThreadExecutor()
|
||||
.submit(() -> new SocketServer().start(6699));
|
||||
Thread.sleep(100);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenRunningServer_whenConnectToClosedSocket_thenHandleException() throws IOException {
|
||||
SocketClient client = new SocketClient();
|
||||
client.startConnection("127.0.0.1", 6699);
|
||||
try {
|
||||
client.sendMessage("hi");
|
||||
client.sendMessage("hi again");
|
||||
} catch (SocketException e) {
|
||||
client.stopConnection();
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
@ -1,134 +0,0 @@
|
||||
package com.baeldung.readfile;
|
||||
|
||||
import org.apache.commons.io.FileUtils;
|
||||
import org.apache.commons.io.IOUtils;
|
||||
import org.hamcrest.CoreMatchers;
|
||||
import org.hamcrest.Matchers;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.io.BufferedReader;
|
||||
import java.io.File;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.InputStreamReader;
|
||||
import java.net.URISyntaxException;
|
||||
import java.net.URL;
|
||||
import java.net.URLConnection;
|
||||
import java.nio.file.Files;
|
||||
import java.nio.file.Path;
|
||||
import java.nio.file.Paths;
|
||||
import java.util.stream.Collectors;
|
||||
import java.util.stream.Stream;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertThat;
|
||||
|
||||
public class FileOperationsManualTest {
|
||||
|
||||
@Test
|
||||
public void givenFileName_whenUsingClassloader_thenFileData() throws IOException {
|
||||
String expectedData = "Hello World from fileTest.txt!!!";
|
||||
|
||||
ClassLoader classLoader = getClass().getClassLoader();
|
||||
File file = new File(classLoader.getResource("fileTest.txt").getFile());
|
||||
InputStream inputStream = new FileInputStream(file);
|
||||
String data = readFromInputStream(inputStream);
|
||||
|
||||
assertEquals(expectedData, data.trim());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFileNameAsAbsolutePath_whenUsingClasspath_thenFileData() throws IOException {
|
||||
String expectedData = "Hello World from fileTest.txt!!!";
|
||||
|
||||
Class clazz = FileOperationsManualTest.class;
|
||||
InputStream inputStream = clazz.getResourceAsStream("/fileTest.txt");
|
||||
String data = readFromInputStream(inputStream);
|
||||
|
||||
assertEquals(expectedData, data.trim());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFileName_whenUsingJarFile_thenFileData() throws IOException {
|
||||
String expectedData = "MIT License";
|
||||
|
||||
Class clazz = Matchers.class;
|
||||
InputStream inputStream = clazz.getResourceAsStream("/LICENSE.txt");
|
||||
String data = readFromInputStream(inputStream);
|
||||
|
||||
assertThat(data.trim(), CoreMatchers.containsString(expectedData));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenURLName_whenUsingURL_thenFileData() throws IOException {
|
||||
String expectedData = "Example Domain";
|
||||
|
||||
URL urlObject = new URL("http://www.example.com/");
|
||||
|
||||
URLConnection urlConnection = urlObject.openConnection();
|
||||
|
||||
InputStream inputStream = urlConnection.getInputStream();
|
||||
String data = readFromInputStream(inputStream);
|
||||
|
||||
assertThat(data.trim(), CoreMatchers.containsString(expectedData));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFileName_whenUsingFileUtils_thenFileData() throws IOException {
|
||||
String expectedData = "Hello World from fileTest.txt!!!";
|
||||
|
||||
ClassLoader classLoader = getClass().getClassLoader();
|
||||
File file = new File(classLoader.getResource("fileTest.txt").getFile());
|
||||
String data = FileUtils.readFileToString(file, "UTF-8");
|
||||
|
||||
assertEquals(expectedData, data.trim());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFilePath_whenUsingFilesReadAllBytes_thenFileData() throws IOException, URISyntaxException {
|
||||
String expectedData = "Hello World from fileTest.txt!!!";
|
||||
|
||||
Path path = Paths.get(getClass().getClassLoader().getResource("fileTest.txt").toURI());
|
||||
|
||||
byte[] fileBytes = Files.readAllBytes(path);
|
||||
String data = new String(fileBytes);
|
||||
|
||||
assertEquals(expectedData, data.trim());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFilePath_whenUsingFilesLines_thenFileData() throws IOException, URISyntaxException {
|
||||
String expectedData = "Hello World from fileTest.txt!!!";
|
||||
|
||||
Path path = Paths.get(getClass().getClassLoader().getResource("fileTest.txt").toURI());
|
||||
|
||||
Stream<String> lines = Files.lines(path);
|
||||
String data = lines.collect(Collectors.joining("\n"));
|
||||
lines.close();
|
||||
|
||||
assertEquals(expectedData, data.trim());
|
||||
}
|
||||
|
||||
private String readFromInputStream(InputStream inputStream) throws IOException {
|
||||
StringBuilder resultStringBuilder = new StringBuilder();
|
||||
try (BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream))) {
|
||||
String line;
|
||||
while ((line = bufferedReader.readLine()) != null) {
|
||||
resultStringBuilder.append(line).append("\n");
|
||||
}
|
||||
}
|
||||
|
||||
return resultStringBuilder.toString();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFileName_whenUsingIOUtils_thenFileData() throws IOException {
|
||||
String expectedData = "This is a content of the file";
|
||||
|
||||
FileInputStream fis = new FileInputStream("src/test/resources/fileToRead.txt");
|
||||
String data = IOUtils.toString(fis, "UTF-8");
|
||||
|
||||
assertEquals(expectedData, data.trim());
|
||||
}
|
||||
}
|
||||
@ -1,11 +1,15 @@
|
||||
package com.baeldung.readfile;
|
||||
|
||||
import org.apache.commons.io.FileUtils;
|
||||
import org.apache.commons.io.IOUtils;
|
||||
import org.hamcrest.CoreMatchers;
|
||||
import org.hamcrest.Matchers;
|
||||
import org.junit.Test;
|
||||
import org.junit.Ignore;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import java.io.*;
|
||||
import java.net.URISyntaxException;
|
||||
import java.net.URL;
|
||||
import java.net.URLConnection;
|
||||
import java.nio.ByteBuffer;
|
||||
import java.nio.channels.FileChannel;
|
||||
import java.nio.charset.Charset;
|
||||
@ -13,55 +17,148 @@ import java.nio.file.Files;
|
||||
import java.nio.file.Path;
|
||||
import java.nio.file.Paths;
|
||||
import java.util.Scanner;
|
||||
import java.util.stream.Collectors;
|
||||
import java.util.stream.Stream;
|
||||
|
||||
import static org.hamcrest.MatcherAssert.assertThat;
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
public class JavaReadFromFileUnitTest {
|
||||
|
||||
private static final Logger LOG = LoggerFactory.getLogger(JavaReadFromFileUnitTest.class);
|
||||
|
||||
@Test
|
||||
public void whenReadWithBufferedReader_thenCorrect() throws IOException {
|
||||
final String expected_value = "Hello world";
|
||||
final String expected_value = "Hello, world!";
|
||||
|
||||
final BufferedReader reader = new BufferedReader(new FileReader("src/test/resources/test_read.in"));
|
||||
final BufferedReader reader = new BufferedReader(new FileReader("src/test/resources/fileTest.txt"));
|
||||
final String currentLine = reader.readLine();
|
||||
reader.close();
|
||||
|
||||
assertEquals(expected_value, currentLine);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFileName_whenUsingClassloader_thenFileData() throws IOException {
|
||||
String expectedData = "Hello, world!";
|
||||
|
||||
ClassLoader classLoader = getClass().getClassLoader();
|
||||
File file = new File(classLoader.getResource("fileTest.txt").getFile());
|
||||
InputStream inputStream = new FileInputStream(file);
|
||||
String data = readFromInputStream(inputStream);
|
||||
|
||||
assertEquals(expectedData, data.trim());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFileNameAsAbsolutePath_whenUsingClasspath_thenFileData() throws IOException {
|
||||
String expectedData = "Hello, world!";
|
||||
|
||||
Class clazz = JavaReadFromFileUnitTest.class;
|
||||
InputStream inputStream = clazz.getResourceAsStream("/fileTest.txt");
|
||||
String data = readFromInputStream(inputStream);
|
||||
|
||||
assertEquals(expectedData, data.trim());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFileName_whenUsingJarFile_thenFileData() throws IOException {
|
||||
String expectedData = "BSD License";
|
||||
|
||||
Class clazz = Matchers.class;
|
||||
InputStream inputStream = clazz.getResourceAsStream("/LICENSE.txt");
|
||||
String data = readFromInputStream(inputStream);
|
||||
|
||||
assertThat(data.trim(), CoreMatchers.containsString(expectedData));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenURLName_whenUsingURL_thenFileData() throws IOException {
|
||||
String expectedData = "Example Domain";
|
||||
|
||||
URL urlObject = new URL("http://www.example.com/");
|
||||
|
||||
URLConnection urlConnection = urlObject.openConnection();
|
||||
|
||||
InputStream inputStream = urlConnection.getInputStream();
|
||||
String data = readFromInputStream(inputStream);
|
||||
|
||||
assertThat(data.trim(), CoreMatchers.containsString(expectedData));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFileName_whenUsingFileUtils_thenFileData() throws IOException {
|
||||
String expectedData = "Hello, world!";
|
||||
|
||||
ClassLoader classLoader = getClass().getClassLoader();
|
||||
File file = new File(classLoader.getResource("fileTest.txt").getFile());
|
||||
String data = FileUtils.readFileToString(file, "UTF-8");
|
||||
|
||||
assertEquals(expectedData, data.trim());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFilePath_whenUsingFilesReadAllBytes_thenFileData() throws IOException, URISyntaxException {
|
||||
String expectedData = "Hello, world!";
|
||||
|
||||
Path path = Paths.get(getClass().getClassLoader().getResource("fileTest.txt").toURI());
|
||||
|
||||
byte[] fileBytes = Files.readAllBytes(path);
|
||||
String data = new String(fileBytes);
|
||||
|
||||
assertEquals(expectedData, data.trim());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFilePath_whenUsingFilesLines_thenFileData() throws IOException, URISyntaxException {
|
||||
String expectedData = "Hello, world!";
|
||||
|
||||
Path path = Paths.get(getClass().getClassLoader().getResource("fileTest.txt").toURI());
|
||||
|
||||
Stream<String> lines = Files.lines(path);
|
||||
String data = lines.collect(Collectors.joining("\n"));
|
||||
lines.close();
|
||||
|
||||
assertEquals(expectedData, data.trim());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFileName_whenUsingIOUtils_thenFileData() throws IOException {
|
||||
String expectedData = "Hello, world!";
|
||||
|
||||
FileInputStream fis = new FileInputStream("src/test/resources/fileTest.txt");
|
||||
String data = IOUtils.toString(fis, "UTF-8");
|
||||
|
||||
assertEquals(expectedData, data.trim());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenReadWithScanner_thenCorrect() throws IOException {
|
||||
final Scanner scanner = new Scanner(new File("src/test/resources/test_read1.in"));
|
||||
final Scanner scanner = new Scanner(new File("src/test/resources/fileTest.txt"));
|
||||
scanner.useDelimiter(" ");
|
||||
|
||||
assertTrue(scanner.hasNext());
|
||||
assertEquals("Hello", scanner.next());
|
||||
assertEquals("world", scanner.next());
|
||||
assertEquals(1, scanner.nextInt());
|
||||
assertEquals("Hello,", scanner.next());
|
||||
assertEquals("world!", scanner.next());
|
||||
|
||||
scanner.close();
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenReadWithScannerTwoDelimiters_thenCorrect() throws IOException {
|
||||
final Scanner scanner = new Scanner(new File("src/test/resources/test_read2.in"));
|
||||
scanner.useDelimiter(",| ");
|
||||
final Scanner scanner = new Scanner(new File("src/test/resources/fileTest.txt"));
|
||||
scanner.useDelimiter("\\s|,");
|
||||
|
||||
assertTrue(scanner.hasNextInt());
|
||||
assertEquals(2, scanner.nextInt());
|
||||
assertEquals(3, scanner.nextInt());
|
||||
assertEquals(4, scanner.nextInt());
|
||||
assertTrue(scanner.hasNext());
|
||||
assertEquals("Hello", scanner.next());
|
||||
assertEquals("", scanner.next());
|
||||
assertEquals("world!", scanner.next());
|
||||
|
||||
scanner.close();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenReadWithStreamTokenizer_thenCorrectTokens() throws IOException {
|
||||
final FileReader reader = new FileReader("src/test/resources/test_read3.in");
|
||||
final FileReader reader = new FileReader("src/test/resources/fileTestTokenizer.txt");
|
||||
final StreamTokenizer tokenizer = new StreamTokenizer(reader);
|
||||
|
||||
tokenizer.nextToken();
|
||||
@ -78,49 +175,36 @@ public class JavaReadFromFileUnitTest {
|
||||
|
||||
@Test
|
||||
public void whenReadWithDataInputStream_thenCorrect() throws IOException {
|
||||
final String expected_value = "Hello";
|
||||
String expectedValue = "Hello, world!";
|
||||
String file ="src/test/resources/fileTest.txt";
|
||||
|
||||
String result;
|
||||
final DataInputStream reader = new DataInputStream(new FileInputStream("src/test/resources/test_read4.in"));
|
||||
result = reader.readUTF();
|
||||
reader.close();
|
||||
String result = null;
|
||||
|
||||
assertEquals(expected_value, result);
|
||||
}
|
||||
DataInputStream reader = new DataInputStream(new FileInputStream(file));
|
||||
int nBytesToRead = reader.available();
|
||||
if(nBytesToRead > 0) {
|
||||
byte[] bytes = new byte[nBytesToRead];
|
||||
reader.read(bytes);
|
||||
result = new String(bytes);
|
||||
}
|
||||
|
||||
public void whenReadTwoFilesWithSequenceInputStream_thenCorrect() throws IOException {
|
||||
final int expected_value1 = 2000;
|
||||
final int expected_value2 = 5000;
|
||||
|
||||
final FileInputStream stream1 = new FileInputStream("src/test/resources/test_read5.in");
|
||||
final FileInputStream stream2 = new FileInputStream("src/test/resources/test_read6.in");
|
||||
|
||||
final SequenceInputStream sequence = new SequenceInputStream(stream1, stream2);
|
||||
final DataInputStream reader = new DataInputStream(sequence);
|
||||
|
||||
assertEquals(expected_value1, reader.readInt());
|
||||
assertEquals(expected_value2, reader.readInt());
|
||||
|
||||
reader.close();
|
||||
stream2.close();
|
||||
assertEquals(expectedValue, result);
|
||||
}
|
||||
|
||||
@Test
|
||||
@Ignore // TODO
|
||||
public void whenReadUTFEncodedFile_thenCorrect() throws IOException {
|
||||
final String expected_value = "青空";
|
||||
final BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream("src/test/resources/test_read7.in"), "UTF-8"));
|
||||
final BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream("src/test/resources/fileTestUtf8.txt"), "UTF-8"));
|
||||
final String currentLine = reader.readLine();
|
||||
reader.close();
|
||||
LOG.debug(currentLine);
|
||||
|
||||
|
||||
assertEquals(expected_value, currentLine);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenReadFileContentsIntoString_thenCorrect() throws IOException {
|
||||
final String expected_value = "Hello world \n Test line \n";
|
||||
final BufferedReader reader = new BufferedReader(new FileReader("src/test/resources/test_read8.in"));
|
||||
final String expected_value = "Hello, world!\n";
|
||||
final BufferedReader reader = new BufferedReader(new FileReader("src/test/resources/fileTest.txt"));
|
||||
final StringBuilder builder = new StringBuilder();
|
||||
String currentLine = reader.readLine();
|
||||
while (currentLine != null) {
|
||||
@ -136,8 +220,8 @@ public class JavaReadFromFileUnitTest {
|
||||
|
||||
@Test
|
||||
public void whenReadWithFileChannel_thenCorrect() throws IOException {
|
||||
final String expected_value = "Hello world";
|
||||
final RandomAccessFile reader = new RandomAccessFile("src/test/resources/test_read.in", "r");
|
||||
final String expected_value = "Hello, world!";
|
||||
final RandomAccessFile reader = new RandomAccessFile("src/test/resources/fileTest.txt", "r");
|
||||
final FileChannel channel = reader.getChannel();
|
||||
|
||||
int bufferSize = 1024;
|
||||
@ -154,8 +238,8 @@ public class JavaReadFromFileUnitTest {
|
||||
|
||||
@Test
|
||||
public void whenReadSmallFileJava7_thenCorrect() throws IOException {
|
||||
final String expected_value = "Hello world";
|
||||
final Path path = Paths.get("src/test/resources/test_read.in");
|
||||
final String expected_value = "Hello, world!";
|
||||
final Path path = Paths.get("src/test/resources/fileTest.txt");
|
||||
|
||||
final String read = Files.readAllLines(path, Charset.defaultCharset()).get(0);
|
||||
assertEquals(expected_value, read);
|
||||
@ -163,12 +247,24 @@ public class JavaReadFromFileUnitTest {
|
||||
|
||||
@Test
|
||||
public void whenReadLargeFileJava7_thenCorrect() throws IOException {
|
||||
final String expected_value = "Hello world";
|
||||
final String expected_value = "Hello, world!";
|
||||
|
||||
final Path path = Paths.get("src/test/resources/test_read.in");
|
||||
final Path path = Paths.get("src/test/resources/fileTest.txt");
|
||||
final BufferedReader reader = Files.newBufferedReader(path, Charset.defaultCharset());
|
||||
final String line = reader.readLine();
|
||||
assertEquals(expected_value, line);
|
||||
}
|
||||
|
||||
private String readFromInputStream(InputStream inputStream) throws IOException {
|
||||
StringBuilder resultStringBuilder = new StringBuilder();
|
||||
try (BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream))) {
|
||||
String line;
|
||||
while ((line = bufferedReader.readLine()) != null) {
|
||||
resultStringBuilder.append(line).append("\n");
|
||||
}
|
||||
}
|
||||
|
||||
return resultStringBuilder.toString();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@ -1 +1 @@
|
||||
Hello World from fileTest.txt!!!
|
||||
Hello, world!
|
||||
@ -1 +0,0 @@
|
||||
Hello world 1
|
||||
@ -1 +0,0 @@
|
||||
2,3 4
|
||||
Binary file not shown.
@ -1,2 +0,0 @@
|
||||
Hello world
|
||||
Test line
|
||||
@ -7,4 +7,6 @@ This module contains articles about core features in the Java language
|
||||
- [Command-Line Arguments in Java](https://www.baeldung.com/java-command-line-arguments)
|
||||
- [What is a POJO Class?](https://www.baeldung.com/java-pojo-class)
|
||||
- [Java Default Parameters Using Method Overloading](https://www.baeldung.com/java-default-parameters-method-overloading)
|
||||
- [How to Return Multiple Values From a Java Method](https://www.baeldung.com/java-method-return-multiple-values)
|
||||
- [Guide to the Java finally Keyword](https://www.baeldung.com/java-finally-keyword)
|
||||
- [[<-- Prev]](/core-java-modules/core-java-lang)
|
||||
|
||||
@ -0,0 +1,27 @@
|
||||
package com.baeldung.headlessmode;
|
||||
|
||||
import java.awt.GraphicsEnvironment;
|
||||
|
||||
import javax.swing.JOptionPane;
|
||||
|
||||
public class FlexibleApp {
|
||||
public static final int HEADLESS = 0;
|
||||
public static final int HEADED = 1;
|
||||
public FlexibleApp() {
|
||||
|
||||
if (GraphicsEnvironment.isHeadless()) {
|
||||
System.out.println("Hello World");
|
||||
} else {
|
||||
JOptionPane.showMessageDialog(null, "Hello World");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
public static int iAmFlexible() {
|
||||
if (GraphicsEnvironment.isHeadless()) {
|
||||
return HEADLESS;
|
||||
} else {
|
||||
return HEADED;
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,87 @@
|
||||
package com.baeldung.headlessmode;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
|
||||
|
||||
import java.awt.Canvas;
|
||||
import java.awt.Font;
|
||||
import java.awt.FontMetrics;
|
||||
import java.awt.Frame;
|
||||
import java.awt.GraphicsEnvironment;
|
||||
import java.awt.HeadlessException;
|
||||
import java.awt.image.BufferedImage;
|
||||
import java.io.FileOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
|
||||
import javax.imageio.ImageIO;
|
||||
|
||||
import org.junit.Assume;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
public class HeadlessModeUnitTest {
|
||||
|
||||
private static final String IN_FILE = "/product.png";
|
||||
private static final String OUT_FILE = System.getProperty("java.io.tmpdir") + "/product.jpg";
|
||||
private static final String FORMAT = "jpg";
|
||||
|
||||
@Before
|
||||
public void setUpHeadlessMode() {
|
||||
System.setProperty("java.awt.headless", "true");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenJavaAwtHeadlessSetToTrue_thenIsHeadlessReturnsTrue() {
|
||||
assertThat(GraphicsEnvironment.isHeadless()).isTrue();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenHeadlessMode_thenFontsWork() {
|
||||
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
|
||||
|
||||
String fonts[] = ge.getAvailableFontFamilyNames();
|
||||
|
||||
assertThat(fonts).isNotEmpty();
|
||||
|
||||
Font font = new Font(fonts[0], Font.BOLD, 14);
|
||||
|
||||
FontMetrics fm = (new Canvas()).getFontMetrics(font);
|
||||
|
||||
assertThat(fm.getHeight()).isGreaterThan(0);
|
||||
assertThat(fm.getAscent()).isGreaterThan(0);
|
||||
assertThat(fm.getDescent()).isGreaterThan(0);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenHeadlessMode_thenImagesWork() throws IOException {
|
||||
boolean result = false;
|
||||
try (InputStream inStream = HeadlessModeUnitTest.class.getResourceAsStream(IN_FILE); FileOutputStream outStream = new FileOutputStream(OUT_FILE)) {
|
||||
BufferedImage inputImage = ImageIO.read(inStream);
|
||||
result = ImageIO.write(inputImage, FORMAT, outStream);
|
||||
}
|
||||
|
||||
assertThat(result).isTrue();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenHeadlessmode_thenFrameThrowsHeadlessException() {
|
||||
assertThatExceptionOfType(HeadlessException.class).isThrownBy(() -> {
|
||||
Frame frame = new Frame();
|
||||
frame.setVisible(true);
|
||||
frame.setSize(120, 120);
|
||||
});
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenHeadless_thenFlexibleAppAdjustsItsBehavior() {
|
||||
assertThat(FlexibleApp.iAmFlexible()).isEqualTo(FlexibleApp.HEADLESS);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenHeaded_thenFlexibleAppAdjustsItsBehavior() {
|
||||
Assume.assumeFalse(GraphicsEnvironment.isHeadless());
|
||||
assertThat(FlexibleApp.iAmFlexible()).isEqualTo(FlexibleApp.HEADED);
|
||||
}
|
||||
|
||||
}
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 54 KiB |
@ -9,3 +9,4 @@
|
||||
- [The strictfp Keyword in Java](https://www.baeldung.com/java-strictfp)
|
||||
- [Basic Calculator in Java](https://www.baeldung.com/java-basic-calculator)
|
||||
- [Overflow and Underflow in Java](https://www.baeldung.com/java-overflow-underflow)
|
||||
- [Obtaining a Power Set of a Set in Java](https://www.baeldung.com/java-power-set-of-a-set)
|
||||
|
||||
@ -12,4 +12,5 @@ This module contains articles about Java syntax
|
||||
- [Variable Scope in Java](https://www.baeldung.com/java-variable-scope)
|
||||
- [Introduction to Basic Syntax in Java](https://www.baeldung.com/java-syntax)
|
||||
- [Java ‘protected’ Access Modifier](https://www.baeldung.com/java-protected-access-modifier)
|
||||
- [Using the Not Operator in If Conditions in Java](https://www.baeldung.com/java-using-not-in-if-conditions)
|
||||
- [[<-- Prev]](/core-java-modules/core-java-lang-syntax)
|
||||
|
||||
@ -13,4 +13,7 @@ This module contains articles about Java syntax
|
||||
- [Infinite Loops in Java](https://www.baeldung.com/infinite-loops-java)
|
||||
- [Java Switch Statement](https://www.baeldung.com/java-switch)
|
||||
- [Breaking Out of Nested Loops](https://www.baeldung.com/java-breaking-out-nested-loop)
|
||||
- [Java Do-While Loop](https://www.baeldung.com/java-do-while-loop)
|
||||
- [Java While Loop](https://www.baeldung.com/java-while-loop)
|
||||
- [Java For Loop](https://www.baeldung.com/java-for-loop)
|
||||
- [[More -->]](/core-java-modules/core-java-lang-syntax-2)
|
||||
|
||||
@ -6,4 +6,5 @@
|
||||
- [Guide to Java Reflection](http://www.baeldung.com/java-reflection)
|
||||
- [Call Methods at Runtime Using Java Reflection](http://www.baeldung.com/java-method-reflection)
|
||||
- [Changing Annotation Parameters At Runtime](http://www.baeldung.com/java-reflection-change-annotation-params)
|
||||
- [Dynamic Proxies in Java](http://www.baeldung.com/java-dynamic-proxies)
|
||||
- [Dynamic Proxies in Java](http://www.baeldung.com/java-dynamic-proxies)
|
||||
- [What Causes java.lang.reflect.InvocationTargetException?](https://www.baeldung.com/java-lang-reflect-invocationtargetexception)
|
||||
|
||||
@ -5,4 +5,6 @@
|
||||
### Relevant Articles:
|
||||
- [An Overview of Regular Expressions Performance in Java](https://www.baeldung.com/java-regex-performance)
|
||||
- [A Guide To Java Regular Expressions API](http://www.baeldung.com/regular-expressions-java)
|
||||
- [Guide to Escaping Characters in Java RegExps](http://www.baeldung.com/java-regexp-escape-char)
|
||||
- [Guide to Escaping Characters in Java RegExps](http://www.baeldung.com/java-regexp-escape-char)
|
||||
- [Pre-compile Regex Patterns Into Pattern Objects](https://www.baeldung.com/java-regex-pre-compile)
|
||||
- [Difference Between Java Matcher find() and matches()](https://www.baeldung.com/java-matcher-find-vs-matches)
|
||||
|
||||
@ -1,7 +0,0 @@
|
||||
=========
|
||||
|
||||
## Core Java 8 Cookbooks and Examples
|
||||
|
||||
### Relevant Articles:
|
||||
- [An Overview of Regular Expressions Performance in Java](https://www.baeldung.com/java-regex-performance)
|
||||
- [Pre-compile Regex Patterns Into Pattern Objects](https://www.baeldung.com/java-regex-pre-compile)
|
||||
@ -31,6 +31,7 @@
|
||||
<module>core-java-annotations</module>
|
||||
<module>core-java-arrays</module>
|
||||
<module>core-java-arrays-2</module>
|
||||
<module>core-java-arrays-3</module>
|
||||
|
||||
<module>core-java-collections</module>
|
||||
<module>core-java-collections-2</module>
|
||||
|
||||
@ -4,5 +4,5 @@ This module contains articles about Kotlin core features.
|
||||
|
||||
### Relevant articles:
|
||||
- [Working with Dates in Kotlin](https://www.baeldung.com/kotlin-dates)
|
||||
- [Kotlin Ternary Conditional Operator](https://www.baeldung.com/kotlin-ternary-conditional-operator)
|
||||
- [Kotlin Ternary Conditional Operator](https://www.baeldung.com/kotlin-ternary-operator)
|
||||
- [[<-- Prev]](/core-kotlin-modules/core-kotlin)
|
||||
|
||||
@ -3,7 +3,7 @@
|
||||
This module contains articles about Kotlin core features.
|
||||
|
||||
### Relevant articles:
|
||||
- [Introduction to the Kotlin Language](https://www.baeldung.com/kotlin)
|
||||
- [Introduction to the Kotlin Language](https://www.baeldung.com/kotlin-intro)
|
||||
- [Kotlin Java Interoperability](https://www.baeldung.com/kotlin-java-interoperability)
|
||||
- [Get a Random Number in Kotlin](https://www.baeldung.com/kotlin-random-number)
|
||||
- [Create a Java and Kotlin Project with Maven](https://www.baeldung.com/kotlin-maven-java-project)
|
||||
|
||||
@ -8,3 +8,4 @@ This module contains articles about data structures in Java
|
||||
- [Implementing a Binary Tree in Java](https://www.baeldung.com/java-binary-tree)
|
||||
- [Circular Linked List Java Implementation](https://www.baeldung.com/java-circular-linked-list)
|
||||
- [How to Print a Binary Tree Diagram](https://www.baeldung.com/java-print-binary-tree-diagram)
|
||||
- [Introduction to Big Queue](https://www.baeldung.com/java-big-queue)
|
||||
|
||||
@ -20,6 +20,10 @@
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-data-mongodb</artifactId>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-data-cassandra</artifactId>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.junit.jupiter</groupId>
|
||||
<artifactId>junit-jupiter-api</artifactId>
|
||||
|
||||
@ -1,13 +1,37 @@
|
||||
package com.baeldung.dddhexagonalspring;
|
||||
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.boot.CommandLineRunner;
|
||||
import org.springframework.boot.SpringApplication;
|
||||
import org.springframework.boot.WebApplicationType;
|
||||
import org.springframework.boot.autoconfigure.SpringBootApplication;
|
||||
import org.springframework.context.ConfigurableApplicationContext;
|
||||
import org.springframework.context.annotation.PropertySource;
|
||||
|
||||
import com.baeldung.dddhexagonalspring.application.cli.CliOrderController;
|
||||
|
||||
@SpringBootApplication
|
||||
@PropertySource(value = { "classpath:ddd-layers.properties" })
|
||||
public class DomainLayerApplication {
|
||||
public class DomainLayerApplication implements CommandLineRunner {
|
||||
|
||||
public static void main(final String[] args) {
|
||||
SpringApplication.run(DomainLayerApplication.class, args);
|
||||
SpringApplication application = new SpringApplication(DomainLayerApplication.class);
|
||||
// uncomment to run just the console application
|
||||
// application.setWebApplicationType(WebApplicationType.NONE);
|
||||
application.run(args);
|
||||
}
|
||||
|
||||
@Autowired
|
||||
public CliOrderController orderController;
|
||||
|
||||
@Autowired
|
||||
public ConfigurableApplicationContext context;
|
||||
|
||||
@Override
|
||||
public void run(String... args) throws Exception {
|
||||
orderController.createCompleteOrder();
|
||||
orderController.createIncompleteOrder();
|
||||
// uncomment to stop the context when execution is done
|
||||
// context.close();
|
||||
}
|
||||
}
|
||||
|
||||
@ -0,0 +1,47 @@
|
||||
package com.baeldung.dddhexagonalspring.application.cli;
|
||||
|
||||
import java.math.BigDecimal;
|
||||
import java.util.UUID;
|
||||
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.stereotype.Component;
|
||||
|
||||
import com.baeldung.dddhexagonalspring.domain.Product;
|
||||
import com.baeldung.dddhexagonalspring.domain.service.OrderService;
|
||||
|
||||
@Component
|
||||
public class CliOrderController {
|
||||
|
||||
private static final Logger LOG = LoggerFactory.getLogger(CliOrderController.class);
|
||||
|
||||
private final OrderService orderService;
|
||||
|
||||
@Autowired
|
||||
public CliOrderController(OrderService orderService) {
|
||||
this.orderService = orderService;
|
||||
}
|
||||
|
||||
public void createCompleteOrder() {
|
||||
LOG.info("<<Create complete order>>");
|
||||
UUID orderId = createOrder();
|
||||
orderService.completeOrder(orderId);
|
||||
}
|
||||
|
||||
public void createIncompleteOrder() {
|
||||
LOG.info("<<Create incomplete order>>");
|
||||
UUID orderId = createOrder();
|
||||
}
|
||||
|
||||
private UUID createOrder() {
|
||||
LOG.info("Placing a new order with two products");
|
||||
Product mobilePhone = new Product(UUID.randomUUID(), BigDecimal.valueOf(200), "mobile");
|
||||
Product razor = new Product(UUID.randomUUID(), BigDecimal.valueOf(50), "razor");
|
||||
LOG.info("Creating order with mobile phone");
|
||||
UUID orderId = orderService.createOrder(mobilePhone);
|
||||
LOG.info("Adding a razor to the order");
|
||||
orderService.addProduct(orderId, razor);
|
||||
return orderId;
|
||||
}
|
||||
}
|
||||
@ -1,4 +1,4 @@
|
||||
package com.baeldung.dddhexagonalspring.application.controller;
|
||||
package com.baeldung.dddhexagonalspring.application.rest;
|
||||
|
||||
import com.baeldung.dddhexagonalspring.application.request.AddProductRequest;
|
||||
import com.baeldung.dddhexagonalspring.application.request.CreateOrderRequest;
|
||||
@ -4,6 +4,7 @@ import java.math.BigDecimal;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collections;
|
||||
import java.util.List;
|
||||
import java.util.Objects;
|
||||
import java.util.UUID;
|
||||
|
||||
public class Order {
|
||||
@ -40,13 +41,11 @@ public class Order {
|
||||
}
|
||||
|
||||
private OrderItem getOrderItem(final UUID id) {
|
||||
return orderItems
|
||||
.stream()
|
||||
.filter(orderItem -> orderItem
|
||||
.getProductId()
|
||||
.equals(id))
|
||||
.findFirst()
|
||||
.orElseThrow(() -> new DomainException("Product with " + id + " doesn't exist."));
|
||||
return orderItems.stream()
|
||||
.filter(orderItem -> orderItem.getProductId()
|
||||
.equals(id))
|
||||
.findFirst()
|
||||
.orElseThrow(() -> new DomainException("Product with " + id + " doesn't exist."));
|
||||
}
|
||||
|
||||
private void validateState() {
|
||||
@ -77,6 +76,21 @@ public class Order {
|
||||
return Collections.unmodifiableList(orderItems);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Objects.hash(id, orderItems, price, status);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj)
|
||||
return true;
|
||||
if (!(obj instanceof Order))
|
||||
return false;
|
||||
Order other = (Order) obj;
|
||||
return Objects.equals(id, other.id) && Objects.equals(orderItems, other.orderItems) && Objects.equals(price, other.price) && status == other.status;
|
||||
}
|
||||
|
||||
private Order() {
|
||||
}
|
||||
}
|
||||
|
||||
@ -0,0 +1,10 @@
|
||||
package com.baeldung.dddhexagonalspring.infrastracture.configuration;
|
||||
|
||||
import org.springframework.data.cassandra.repository.config.EnableCassandraRepositories;
|
||||
|
||||
import com.baeldung.dddhexagonalspring.infrastracture.repository.cassandra.SpringDataCassandraOrderRepository;
|
||||
|
||||
@EnableCassandraRepositories(basePackageClasses = SpringDataCassandraOrderRepository.class)
|
||||
public class CassandraConfiguration {
|
||||
|
||||
}
|
||||
@ -1,8 +1,9 @@
|
||||
package com.baeldung.dddhexagonalspring.infrastracture.configuration;
|
||||
|
||||
import com.baeldung.dddhexagonalspring.infrastracture.repository.SpringDataOrderRepository;
|
||||
import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
|
||||
|
||||
@EnableMongoRepositories(basePackageClasses = SpringDataOrderRepository.class)
|
||||
import com.baeldung.dddhexagonalspring.infrastracture.repository.mongo.SpringDataMongoOrderRepository;
|
||||
|
||||
@EnableMongoRepositories(basePackageClasses = SpringDataMongoOrderRepository.class)
|
||||
public class MongoDBConfiguration {
|
||||
}
|
||||
|
||||
@ -0,0 +1,38 @@
|
||||
package com.baeldung.dddhexagonalspring.infrastracture.repository.cassandra;
|
||||
|
||||
import java.util.Optional;
|
||||
import java.util.UUID;
|
||||
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.stereotype.Component;
|
||||
|
||||
import com.baeldung.dddhexagonalspring.domain.Order;
|
||||
import com.baeldung.dddhexagonalspring.domain.repository.OrderRepository;
|
||||
|
||||
@Component
|
||||
public class CassandraDbOrderRepository implements OrderRepository {
|
||||
|
||||
private final SpringDataCassandraOrderRepository orderRepository;
|
||||
|
||||
@Autowired
|
||||
public CassandraDbOrderRepository(SpringDataCassandraOrderRepository orderRepository) {
|
||||
this.orderRepository = orderRepository;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Optional<Order> findById(UUID id) {
|
||||
Optional<OrderEntity> orderEntity = orderRepository.findById(id);
|
||||
if (orderEntity.isPresent()) {
|
||||
return Optional.of(orderEntity.get()
|
||||
.toOrder());
|
||||
} else {
|
||||
return Optional.empty();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void save(Order order) {
|
||||
orderRepository.save(new OrderEntity(order));
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,75 @@
|
||||
package com.baeldung.dddhexagonalspring.infrastracture.repository.cassandra;
|
||||
|
||||
import java.math.BigDecimal;
|
||||
import java.util.List;
|
||||
import java.util.UUID;
|
||||
import java.util.stream.Collectors;
|
||||
|
||||
import org.springframework.data.cassandra.core.mapping.PrimaryKey;
|
||||
|
||||
import com.baeldung.dddhexagonalspring.domain.Order;
|
||||
import com.baeldung.dddhexagonalspring.domain.OrderItem;
|
||||
import com.baeldung.dddhexagonalspring.domain.OrderStatus;
|
||||
import com.baeldung.dddhexagonalspring.domain.Product;
|
||||
|
||||
public class OrderEntity {
|
||||
|
||||
@PrimaryKey
|
||||
private UUID id;
|
||||
private OrderStatus status;
|
||||
private List<OrderItemEntity> orderItemEntities;
|
||||
private BigDecimal price;
|
||||
|
||||
public OrderEntity(UUID id, OrderStatus status, List<OrderItemEntity> orderItemEntities, BigDecimal price) {
|
||||
this.id = id;
|
||||
this.status = status;
|
||||
this.orderItemEntities = orderItemEntities;
|
||||
this.price = price;
|
||||
}
|
||||
|
||||
public OrderEntity() {
|
||||
}
|
||||
|
||||
public OrderEntity(Order order) {
|
||||
this.id = order.getId();
|
||||
this.price = order.getPrice();
|
||||
this.status = order.getStatus();
|
||||
this.orderItemEntities = order.getOrderItems()
|
||||
.stream()
|
||||
.map(OrderItemEntity::new)
|
||||
.collect(Collectors.toList());
|
||||
|
||||
}
|
||||
|
||||
public Order toOrder() {
|
||||
List<OrderItem> orderItems = orderItemEntities.stream()
|
||||
.map(OrderItemEntity::toOrderItem)
|
||||
.collect(Collectors.toList());
|
||||
List<Product> namelessProducts = orderItems.stream()
|
||||
.map(orderItem -> new Product(orderItem.getProductId(), orderItem.getPrice(), ""))
|
||||
.collect(Collectors.toList());
|
||||
Order order = new Order(id, namelessProducts.remove(0));
|
||||
namelessProducts.forEach(product -> order.addOrder(product));
|
||||
if (status == OrderStatus.COMPLETED) {
|
||||
order.complete();
|
||||
}
|
||||
return order;
|
||||
}
|
||||
|
||||
public UUID getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public OrderStatus getStatus() {
|
||||
return status;
|
||||
}
|
||||
|
||||
public List<OrderItemEntity> getOrderItems() {
|
||||
return orderItemEntities;
|
||||
}
|
||||
|
||||
public BigDecimal getPrice() {
|
||||
return price;
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,44 @@
|
||||
package com.baeldung.dddhexagonalspring.infrastracture.repository.cassandra;
|
||||
|
||||
import java.math.BigDecimal;
|
||||
import java.util.UUID;
|
||||
|
||||
import org.springframework.data.cassandra.core.mapping.UserDefinedType;
|
||||
|
||||
import com.baeldung.dddhexagonalspring.domain.OrderItem;
|
||||
import com.baeldung.dddhexagonalspring.domain.Product;
|
||||
|
||||
@UserDefinedType
|
||||
public class OrderItemEntity {
|
||||
|
||||
private UUID productId;
|
||||
private BigDecimal price;
|
||||
|
||||
public OrderItemEntity() {
|
||||
}
|
||||
|
||||
public OrderItemEntity(final OrderItem orderItem) {
|
||||
this.productId = orderItem.getProductId();
|
||||
this.price = orderItem.getPrice();
|
||||
}
|
||||
|
||||
public OrderItem toOrderItem() {
|
||||
return new OrderItem(new Product(productId, price, ""));
|
||||
}
|
||||
|
||||
public UUID getProductId() {
|
||||
return productId;
|
||||
}
|
||||
|
||||
public void setProductId(UUID productId) {
|
||||
this.productId = productId;
|
||||
}
|
||||
|
||||
public BigDecimal getPrice() {
|
||||
return price;
|
||||
}
|
||||
|
||||
public void setPrice(BigDecimal price) {
|
||||
this.price = price;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,10 @@
|
||||
package com.baeldung.dddhexagonalspring.infrastracture.repository.cassandra;
|
||||
|
||||
import java.util.UUID;
|
||||
|
||||
import org.springframework.data.cassandra.repository.CassandraRepository;
|
||||
import org.springframework.stereotype.Repository;
|
||||
|
||||
@Repository
|
||||
public interface SpringDataCassandraOrderRepository extends CassandraRepository<OrderEntity, UUID> {
|
||||
}
|
||||
@ -1,20 +1,23 @@
|
||||
package com.baeldung.dddhexagonalspring.infrastracture.repository;
|
||||
|
||||
import com.baeldung.dddhexagonalspring.domain.Order;
|
||||
import com.baeldung.dddhexagonalspring.domain.repository.OrderRepository;
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.stereotype.Component;
|
||||
package com.baeldung.dddhexagonalspring.infrastracture.repository.mongo;
|
||||
|
||||
import java.util.Optional;
|
||||
import java.util.UUID;
|
||||
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.context.annotation.Primary;
|
||||
import org.springframework.stereotype.Component;
|
||||
|
||||
import com.baeldung.dddhexagonalspring.domain.Order;
|
||||
import com.baeldung.dddhexagonalspring.domain.repository.OrderRepository;
|
||||
|
||||
@Component
|
||||
@Primary
|
||||
public class MongoDbOrderRepository implements OrderRepository {
|
||||
|
||||
private final SpringDataOrderRepository orderRepository;
|
||||
private final SpringDataMongoOrderRepository orderRepository;
|
||||
|
||||
@Autowired
|
||||
public MongoDbOrderRepository(final SpringDataOrderRepository orderRepository) {
|
||||
public MongoDbOrderRepository(final SpringDataMongoOrderRepository orderRepository) {
|
||||
this.orderRepository = orderRepository;
|
||||
}
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
package com.baeldung.dddhexagonalspring.infrastracture.repository;
|
||||
package com.baeldung.dddhexagonalspring.infrastracture.repository.mongo;
|
||||
|
||||
import com.baeldung.dddhexagonalspring.domain.Order;
|
||||
import org.springframework.data.mongodb.repository.MongoRepository;
|
||||
@ -7,5 +7,5 @@ import org.springframework.stereotype.Repository;
|
||||
import java.util.UUID;
|
||||
|
||||
@Repository
|
||||
public interface SpringDataOrderRepository extends MongoRepository<Order, UUID> {
|
||||
public interface SpringDataMongoOrderRepository extends MongoRepository<Order, UUID> {
|
||||
}
|
||||
@ -1,5 +1,12 @@
|
||||
spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration
|
||||
spring.data.mongodb.host=localhost
|
||||
spring.data.mongodb.port=27017
|
||||
spring.data.mongodb.database=order-database
|
||||
spring.data.mongodb.username=order
|
||||
spring.data.mongodb.password=order
|
||||
spring.data.mongodb.password=order
|
||||
|
||||
spring.data.cassandra.keyspaceName=order_database
|
||||
spring.data.cassandra.username=cassandra
|
||||
spring.data.cassandra.password=cassandra
|
||||
spring.data.cassandra.contactPoints=localhost
|
||||
spring.data.cassandra.port=9042
|
||||
@ -0,0 +1,57 @@
|
||||
package com.baeldung.dddhexagonalspring.infrastracture.repository;
|
||||
|
||||
import static org.junit.jupiter.api.Assertions.assertEquals;
|
||||
|
||||
import java.math.BigDecimal;
|
||||
import java.util.Optional;
|
||||
import java.util.UUID;
|
||||
|
||||
import org.junit.jupiter.api.AfterEach;
|
||||
import org.junit.jupiter.api.Test;
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.boot.test.context.SpringBootTest;
|
||||
import org.springframework.test.context.TestPropertySource;
|
||||
import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
|
||||
|
||||
import com.baeldung.dddhexagonalspring.domain.Order;
|
||||
import com.baeldung.dddhexagonalspring.domain.Product;
|
||||
import com.baeldung.dddhexagonalspring.domain.repository.OrderRepository;
|
||||
import com.baeldung.dddhexagonalspring.infrastracture.repository.cassandra.SpringDataCassandraOrderRepository;
|
||||
|
||||
@SpringJUnitConfig
|
||||
@SpringBootTest
|
||||
@TestPropertySource("classpath:ddd-layers-test.properties")
|
||||
class CassandraDbOrderRepositoryIntegrationTest {
|
||||
|
||||
@Autowired
|
||||
private SpringDataCassandraOrderRepository cassandraOrderRepository;
|
||||
|
||||
@Autowired
|
||||
private OrderRepository orderRepository;
|
||||
|
||||
@AfterEach
|
||||
void cleanUp() {
|
||||
cassandraOrderRepository.deleteAll();
|
||||
}
|
||||
|
||||
@Test
|
||||
void shouldFindById_thenReturnOrder() {
|
||||
|
||||
// given
|
||||
final UUID id = UUID.randomUUID();
|
||||
final Order order = createOrder(id);
|
||||
order.addOrder(new Product(UUID.randomUUID(), BigDecimal.TEN, "second"));
|
||||
order.complete();
|
||||
|
||||
// when
|
||||
orderRepository.save(order);
|
||||
|
||||
final Optional<Order> result = orderRepository.findById(id);
|
||||
|
||||
assertEquals(order, result.get());
|
||||
}
|
||||
|
||||
private Order createOrder(UUID id) {
|
||||
return new Order(id, new Product(UUID.randomUUID(), BigDecimal.TEN, "product"));
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,55 @@
|
||||
package com.baeldung.dddhexagonalspring.infrastracture.repository;
|
||||
|
||||
import static org.junit.jupiter.api.Assertions.assertEquals;
|
||||
|
||||
import java.math.BigDecimal;
|
||||
import java.util.Optional;
|
||||
import java.util.UUID;
|
||||
|
||||
import org.junit.jupiter.api.AfterEach;
|
||||
import org.junit.jupiter.api.Test;
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.boot.test.context.SpringBootTest;
|
||||
import org.springframework.test.context.TestPropertySource;
|
||||
import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
|
||||
|
||||
import com.baeldung.dddhexagonalspring.domain.Order;
|
||||
import com.baeldung.dddhexagonalspring.domain.Product;
|
||||
import com.baeldung.dddhexagonalspring.domain.repository.OrderRepository;
|
||||
import com.baeldung.dddhexagonalspring.infrastracture.repository.mongo.SpringDataMongoOrderRepository;
|
||||
|
||||
@SpringJUnitConfig
|
||||
@SpringBootTest
|
||||
@TestPropertySource("classpath:ddd-layers-test.properties")
|
||||
class MongoDbOrderRepositoryIntegrationTest {
|
||||
|
||||
@Autowired
|
||||
private SpringDataMongoOrderRepository mongoOrderRepository;
|
||||
|
||||
@Autowired
|
||||
private OrderRepository orderRepository;
|
||||
|
||||
@AfterEach
|
||||
void cleanUp() {
|
||||
mongoOrderRepository.deleteAll();
|
||||
}
|
||||
|
||||
@Test
|
||||
void shouldFindById_thenReturnOrder() {
|
||||
|
||||
// given
|
||||
final UUID id = UUID.randomUUID();
|
||||
final Order order = createOrder(id);
|
||||
|
||||
// when
|
||||
orderRepository.save(order);
|
||||
|
||||
final Optional<Order> result = orderRepository.findById(id);
|
||||
|
||||
assertEquals(order, result.get());
|
||||
}
|
||||
|
||||
private Order createOrder(UUID id) {
|
||||
return new Order(id, new Product(UUID.randomUUID(), BigDecimal.TEN, "product"));
|
||||
}
|
||||
}
|
||||
@ -2,6 +2,9 @@ package com.baeldung.dddhexagonalspring.infrastracture.repository;
|
||||
|
||||
import com.baeldung.dddhexagonalspring.domain.Order;
|
||||
import com.baeldung.dddhexagonalspring.domain.Product;
|
||||
import com.baeldung.dddhexagonalspring.infrastracture.repository.mongo.MongoDbOrderRepository;
|
||||
import com.baeldung.dddhexagonalspring.infrastracture.repository.mongo.SpringDataMongoOrderRepository;
|
||||
|
||||
import org.junit.jupiter.api.BeforeEach;
|
||||
import org.junit.jupiter.api.Test;
|
||||
|
||||
@ -14,12 +17,12 @@ import static org.mockito.Mockito.*;
|
||||
|
||||
class MongoDbOrderRepositoryUnitTest {
|
||||
|
||||
private SpringDataOrderRepository springDataOrderRepository;
|
||||
private SpringDataMongoOrderRepository springDataOrderRepository;
|
||||
private MongoDbOrderRepository tested;
|
||||
|
||||
@BeforeEach
|
||||
void setUp(){
|
||||
springDataOrderRepository = mock(SpringDataOrderRepository.class);
|
||||
void setUp() {
|
||||
springDataOrderRepository = mock(SpringDataMongoOrderRepository.class);
|
||||
|
||||
tested = new MongoDbOrderRepository(springDataOrderRepository);
|
||||
}
|
||||
|
||||
@ -4,4 +4,6 @@ To run this project, follow these steps:
|
||||
|
||||
* Run the application database by executing `docker-compose up` in this directory.
|
||||
* Launch the Spring Boot Application (DomainLayerApplication).
|
||||
* By default, application will connect to this database (configuration in *ddd-layers.properties*)
|
||||
* By default, the application will connect to the one of the two databases (configuration in *ddd-layers.properties*)
|
||||
* check `CassandraDbOrderRepository.java` and `MongoDbOrderRepository.java`
|
||||
* switch between the databases by making one of the above beans primary using the `@Primary` annotation
|
||||
@ -0,0 +1,12 @@
|
||||
CREATE KEYSPACE IF NOT exists order_database
|
||||
WITH replication = {'class':'SimpleStrategy', 'replication_factor':1};
|
||||
|
||||
CREATE TYPE IF NOT EXISTS order_database.orderitementity (productid uuid, price decimal);
|
||||
|
||||
CREATE TABLE IF NOT EXISTS order_database.orderentity(
|
||||
id uuid,
|
||||
status text,
|
||||
orderitementities list<frozen<orderitementity>>,
|
||||
price decimal,
|
||||
primary key(id)
|
||||
);
|
||||
@ -3,6 +3,7 @@ version: '3'
|
||||
services:
|
||||
order-mongo-database:
|
||||
image: mongo:3.4.13
|
||||
container_name: order-mongo-db
|
||||
restart: always
|
||||
ports:
|
||||
- 27017:27017
|
||||
@ -11,4 +12,19 @@ services:
|
||||
MONGO_INITDB_ROOT_PASSWORD: admin
|
||||
MONGO_INITDB_DATABASE: order-database
|
||||
volumes:
|
||||
- ./mongo-init.js:/docker-entrypoint-initdb.d/mongo-init.js:ro
|
||||
- ./mongo-init.js:/docker-entrypoint-initdb.d/mongo-init.js:ro
|
||||
order-cassandra-database:
|
||||
image: cassandra:3.11.5
|
||||
container_name: order-cassandra-db
|
||||
restart: always
|
||||
ports:
|
||||
- 9042:9042
|
||||
order-cassandra-init:
|
||||
image: cassandra:3.11.5
|
||||
container_name: order-cassandra-db-init
|
||||
depends_on:
|
||||
- order-cassandra-database
|
||||
volumes:
|
||||
- ./cassandra-init.cql:/cassandra-init.cql:ro
|
||||
command: bin/bash -c "echo Initializing cassandra schema... && sleep 30 && cqlsh -u cassandra -p cassandra -f cassandra-init.cql order-cassandra-db"
|
||||
|
||||
12
ddd/src/test/resources/ddd-layers-test.properties
Normal file
12
ddd/src/test/resources/ddd-layers-test.properties
Normal file
@ -0,0 +1,12 @@
|
||||
spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.mongo.embedded.EmbeddedMongoAutoConfiguration,org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration
|
||||
spring.data.mongodb.host=127.0.0.1
|
||||
spring.data.mongodb.port=27017
|
||||
spring.data.mongodb.database=order-database
|
||||
spring.data.mongodb.username=order
|
||||
spring.data.mongodb.password=order
|
||||
|
||||
spring.data.cassandra.keyspaceName=order_database
|
||||
spring.data.cassandra.username=cassandra
|
||||
spring.data.cassandra.password=cassandra
|
||||
spring.data.cassandra.contactPoints=127.0.0.1
|
||||
spring.data.cassandra.port=9042
|
||||
@ -1 +1,5 @@
|
||||
# Dropwizard
|
||||
# Dropwizard
|
||||
|
||||
### Relevant Articles:
|
||||
|
||||
- [Introduction to Dropwizard](https://www.baeldung.com/java-dropwizard)
|
||||
|
||||
18
gradle-6/.gitignore
vendored
Normal file
18
gradle-6/.gitignore
vendored
Normal file
@ -0,0 +1,18 @@
|
||||
|
||||
# Gradle
|
||||
|
||||
.gradle
|
||||
build
|
||||
|
||||
# Ignore Gradle GUI config
|
||||
gradle-app.setting
|
||||
|
||||
# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
|
||||
!gradle-wrapper.jar
|
||||
|
||||
# Cache of project
|
||||
.gradletasknamecache
|
||||
|
||||
# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
|
||||
# gradle/wrapper/gradle-wrapper.properties
|
||||
|
||||
5
gradle-6/build.gradle.kts
Normal file
5
gradle-6/build.gradle.kts
Normal file
@ -0,0 +1,5 @@
|
||||
subprojects {
|
||||
repositories {
|
||||
mavenCentral()
|
||||
}
|
||||
}
|
||||
37
gradle-6/configuration-avoidance/build.gradle.kts
Normal file
37
gradle-6/configuration-avoidance/build.gradle.kts
Normal file
@ -0,0 +1,37 @@
|
||||
plugins {
|
||||
base
|
||||
}
|
||||
|
||||
description = """
|
||||
Demonstrates Gradle Configuraiton Avoidance API. Creates a new configuration "extralibs" to
|
||||
which we add dependencies. The custom task "copyExtraLibs" copies those dependencies to a new
|
||||
build directory "extra-libs". This build uses the Task Configuraion Avoidance APIs which have
|
||||
been marked stable in Gradle 6.0
|
||||
""".trimIndent()
|
||||
|
||||
// extraLibs is a NamedDomainObjectProvider<Configuration!> - the Configuration object will not be
|
||||
// realized until it is needed. In the meantime, the build may reference it by name
|
||||
val extralibs by configurations.registering
|
||||
|
||||
dependencies {
|
||||
// we can call extralibs.name without causing the extralibs to be realized
|
||||
add(extralibs.name, "junit:junit:4.12")
|
||||
}
|
||||
|
||||
// extraLibsDir is a Provider<Directory!> - the Directory object will not be realized until it is
|
||||
// needed
|
||||
val extraLibsDir = project.layout.buildDirectory.dir("extra-libs")
|
||||
|
||||
// copyExtraLibs is a TaskProvider<Copy!> - the task will not be realized until it is needed
|
||||
val copyExtraLibs by tasks.registering(Copy::class) {
|
||||
// the copy task's "from" and "into" APIs accept Provider types to support configuration
|
||||
// avoidance
|
||||
from(extralibs)
|
||||
into(extraLibsDir)
|
||||
}
|
||||
|
||||
// configures the "build" task only if it needs to be
|
||||
tasks.build {
|
||||
// dependsOn accepts a TaskProvider to avoid realizing the copyExtraLibs needlessly
|
||||
dependsOn(copyExtraLibs)
|
||||
}
|
||||
29
gradle-6/dependency-constraints/build.gradle.kts
Normal file
29
gradle-6/dependency-constraints/build.gradle.kts
Normal file
@ -0,0 +1,29 @@
|
||||
plugins {
|
||||
`java-library`
|
||||
}
|
||||
|
||||
group = "com.baeldung"
|
||||
version = "1.0.0"
|
||||
|
||||
dependencies {
|
||||
api("io.reactivex.rxjava2:rxjava:2.2.16")
|
||||
implementation("com.google.guava:guava") {
|
||||
version {
|
||||
require("10.0")
|
||||
prefer("28.1-jre")
|
||||
because("Only uses ImmutableList type, so any version since 2.0 will do, but tested with 28.1-jre")
|
||||
}
|
||||
}
|
||||
|
||||
testImplementation("org.junit.jupiter:junit-jupiter-api:5.5.2")
|
||||
testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.5.2")
|
||||
}
|
||||
|
||||
tasks.compileJava {
|
||||
sourceCompatibility = "1.8"
|
||||
targetCompatibility = "1.8"
|
||||
}
|
||||
|
||||
tasks.test {
|
||||
useJUnitPlatform()
|
||||
}
|
||||
@ -0,0 +1,24 @@
|
||||
package com.baeldung.gradle;
|
||||
|
||||
import com.google.common.collect.ImmutableList;
|
||||
import io.reactivex.Observable;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Demonstrates a library type that returns an RxJava type.
|
||||
*/
|
||||
public class RxHelloWorld {
|
||||
|
||||
/**
|
||||
* @return an {@link Observable} that emits events "hello" and "world" before completing.
|
||||
*/
|
||||
public static Observable<String> hello() {
|
||||
// Guava ImmutableList class is an implementation detail.
|
||||
List<String> values = ImmutableList.of("hello", "world");
|
||||
return Observable.fromIterable(values);
|
||||
}
|
||||
|
||||
private RxHelloWorld() {
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,14 @@
|
||||
package com.baeldung.gradle;
|
||||
|
||||
import org.junit.jupiter.api.Test;
|
||||
|
||||
import static com.baeldung.gradle.RxHelloWorld.hello;
|
||||
|
||||
/**
|
||||
* Unit test for {@link RxHelloWorld}.
|
||||
*/
|
||||
final class RxHelloWorldUnitTest {
|
||||
@Test void it_emits_hello_world_values() {
|
||||
hello().test().assertValues("hello", "world").assertComplete();
|
||||
}
|
||||
}
|
||||
17
gradle-6/fibonacci-recursive/build.gradle.kts
Normal file
17
gradle-6/fibonacci-recursive/build.gradle.kts
Normal file
@ -0,0 +1,17 @@
|
||||
plugins {
|
||||
`java-library`
|
||||
}
|
||||
|
||||
dependencies {
|
||||
api(project(":fibonacci-spi"))
|
||||
compileOnly("com.google.auto.service:auto-service-annotations:1.0-rc6")
|
||||
annotationProcessor("com.google.auto.service:auto-service:1.0-rc6")
|
||||
|
||||
testImplementation(testFixtures(project(":fibonacci-spi")))
|
||||
testImplementation("org.junit.jupiter:junit-jupiter-api:5.5.2")
|
||||
testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.5.2")
|
||||
}
|
||||
|
||||
tasks.test {
|
||||
useJUnitPlatform()
|
||||
}
|
||||
@ -0,0 +1,20 @@
|
||||
package com.baeldung.fibonacci.impl;
|
||||
|
||||
import com.baeldung.fibonacci.FibonacciSequenceGenerator;
|
||||
import com.google.auto.service.AutoService;
|
||||
|
||||
/**
|
||||
* Recursive implementation of the {@link FibonacciSequenceGenerator}.
|
||||
*/
|
||||
@AutoService(FibonacciSequenceGenerator.class) public final class RecursiveFibonacci implements FibonacciSequenceGenerator {
|
||||
|
||||
@Override public int generate(int nth) {
|
||||
if (nth < 0) {
|
||||
throw new IllegalArgumentException("sequence number must be 0 or greater");
|
||||
}
|
||||
if (nth <= 1) {
|
||||
return nth;
|
||||
}
|
||||
return generate(nth - 1) + generate(nth - 2);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,13 @@
|
||||
package com.baeldung.fibonacci.impl;
|
||||
|
||||
import com.baeldung.fibonacci.FibonacciSequenceGenerator;
|
||||
import com.baeldung.fibonacci.FibonacciSequenceGeneratorFixture;
|
||||
|
||||
/**
|
||||
* Unit test which reuses the {@link FibonacciSequenceGeneratorFixture} test mix-in exported from the fibonacci-spi project.
|
||||
*/
|
||||
final class RecursiveFibonacciUnitTest implements FibonacciSequenceGeneratorFixture {
|
||||
@Override public FibonacciSequenceGenerator provide() {
|
||||
return new RecursiveFibonacci();
|
||||
}
|
||||
}
|
||||
13
gradle-6/fibonacci-spi/build.gradle.kts
Normal file
13
gradle-6/fibonacci-spi/build.gradle.kts
Normal file
@ -0,0 +1,13 @@
|
||||
plugins {
|
||||
`java-library`
|
||||
`java-test-fixtures`
|
||||
}
|
||||
|
||||
dependencies {
|
||||
testFixturesApi("org.junit.jupiter:junit-jupiter-api:5.5.2")
|
||||
testFixturesImplementation("org.junit.jupiter:junit-jupiter-engine:5.5.2")
|
||||
}
|
||||
|
||||
tasks.test {
|
||||
useJUnitPlatform()
|
||||
}
|
||||
@ -0,0 +1,13 @@
|
||||
package com.baeldung.fibonacci;
|
||||
|
||||
/**
|
||||
* Describes an SPI for a Fibonacci sequence generator function.
|
||||
*/
|
||||
public interface FibonacciSequenceGenerator {
|
||||
|
||||
/**
|
||||
* @param nth the index of the number in the fibonacci sequence
|
||||
* @return the nth number in the fibonacci sequence
|
||||
*/
|
||||
int generate(int nth);
|
||||
}
|
||||
@ -0,0 +1,30 @@
|
||||
package com.baeldung.fibonacci;
|
||||
|
||||
import org.junit.jupiter.api.Test;
|
||||
|
||||
import static org.junit.jupiter.api.Assertions.assertEquals;
|
||||
import static org.junit.jupiter.api.Assertions.assertThrows;
|
||||
|
||||
/**
|
||||
* Reusable test fixture for {@link FibonacciSequenceGenerator} implementations. Tests will be skipped if no such implementation exists.
|
||||
*/
|
||||
public interface FibonacciSequenceGeneratorFixture {
|
||||
|
||||
/**
|
||||
* @return the implementation of {@link FibonacciSequenceGenerator} to test. Must not be null
|
||||
*/
|
||||
FibonacciSequenceGenerator provide();
|
||||
|
||||
@Test default void when_sequence_index_is_negative_then_throws() {
|
||||
final FibonacciSequenceGenerator generator = provide();
|
||||
assertThrows(IllegalArgumentException.class, () -> generator.generate(-1));
|
||||
}
|
||||
|
||||
@Test default void when_given_index_then_generates_fibonacci_number() {
|
||||
final FibonacciSequenceGenerator generator = provide();
|
||||
final int[] sequence = { 0, 1, 1, 2, 3, 5, 8 };
|
||||
for (int i = 0; i < sequence.length; i++) {
|
||||
assertEquals(sequence[i], generator.generate(i));
|
||||
}
|
||||
}
|
||||
}
|
||||
2
gradle-6/gradle.properties
Normal file
2
gradle-6/gradle.properties
Normal file
@ -0,0 +1,2 @@
|
||||
org.gradle.parallel=true
|
||||
org.gradle.configureondemand=true
|
||||
BIN
gradle-6/gradle/wrapper/gradle-wrapper.jar
vendored
Normal file
BIN
gradle-6/gradle/wrapper/gradle-wrapper.jar
vendored
Normal file
Binary file not shown.
5
gradle-6/gradle/wrapper/gradle-wrapper.properties
vendored
Normal file
5
gradle-6/gradle/wrapper/gradle-wrapper.properties
vendored
Normal file
@ -0,0 +1,5 @@
|
||||
distributionBase=GRADLE_USER_HOME
|
||||
distributionPath=wrapper/dists
|
||||
distributionUrl=https\://services.gradle.org/distributions/gradle-6.0.1-bin.zip
|
||||
zipStoreBase=GRADLE_USER_HOME
|
||||
zipStorePath=wrapper/dists
|
||||
183
gradle-6/gradlew
vendored
Executable file
183
gradle-6/gradlew
vendored
Executable file
@ -0,0 +1,183 @@
|
||||
#!/usr/bin/env sh
|
||||
|
||||
#
|
||||
# Copyright 2015 the original author or authors.
|
||||
#
|
||||
# Licensed 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
|
||||
#
|
||||
# https://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.
|
||||
#
|
||||
|
||||
##############################################################################
|
||||
##
|
||||
## Gradle start up script for UN*X
|
||||
##
|
||||
##############################################################################
|
||||
|
||||
# Attempt to set APP_HOME
|
||||
# Resolve links: $0 may be a link
|
||||
PRG="$0"
|
||||
# Need this for relative symlinks.
|
||||
while [ -h "$PRG" ] ; do
|
||||
ls=`ls -ld "$PRG"`
|
||||
link=`expr "$ls" : '.*-> \(.*\)$'`
|
||||
if expr "$link" : '/.*' > /dev/null; then
|
||||
PRG="$link"
|
||||
else
|
||||
PRG=`dirname "$PRG"`"/$link"
|
||||
fi
|
||||
done
|
||||
SAVED="`pwd`"
|
||||
cd "`dirname \"$PRG\"`/" >/dev/null
|
||||
APP_HOME="`pwd -P`"
|
||||
cd "$SAVED" >/dev/null
|
||||
|
||||
APP_NAME="Gradle"
|
||||
APP_BASE_NAME=`basename "$0"`
|
||||
|
||||
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
|
||||
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
|
||||
|
||||
# Use the maximum available, or set MAX_FD != -1 to use that value.
|
||||
MAX_FD="maximum"
|
||||
|
||||
warn () {
|
||||
echo "$*"
|
||||
}
|
||||
|
||||
die () {
|
||||
echo
|
||||
echo "$*"
|
||||
echo
|
||||
exit 1
|
||||
}
|
||||
|
||||
# OS specific support (must be 'true' or 'false').
|
||||
cygwin=false
|
||||
msys=false
|
||||
darwin=false
|
||||
nonstop=false
|
||||
case "`uname`" in
|
||||
CYGWIN* )
|
||||
cygwin=true
|
||||
;;
|
||||
Darwin* )
|
||||
darwin=true
|
||||
;;
|
||||
MINGW* )
|
||||
msys=true
|
||||
;;
|
||||
NONSTOP* )
|
||||
nonstop=true
|
||||
;;
|
||||
esac
|
||||
|
||||
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
|
||||
|
||||
# Determine the Java command to use to start the JVM.
|
||||
if [ -n "$JAVA_HOME" ] ; then
|
||||
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
|
||||
# IBM's JDK on AIX uses strange locations for the executables
|
||||
JAVACMD="$JAVA_HOME/jre/sh/java"
|
||||
else
|
||||
JAVACMD="$JAVA_HOME/bin/java"
|
||||
fi
|
||||
if [ ! -x "$JAVACMD" ] ; then
|
||||
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
|
||||
|
||||
Please set the JAVA_HOME variable in your environment to match the
|
||||
location of your Java installation."
|
||||
fi
|
||||
else
|
||||
JAVACMD="java"
|
||||
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
|
||||
|
||||
Please set the JAVA_HOME variable in your environment to match the
|
||||
location of your Java installation."
|
||||
fi
|
||||
|
||||
# Increase the maximum file descriptors if we can.
|
||||
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
|
||||
MAX_FD_LIMIT=`ulimit -H -n`
|
||||
if [ $? -eq 0 ] ; then
|
||||
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
|
||||
MAX_FD="$MAX_FD_LIMIT"
|
||||
fi
|
||||
ulimit -n $MAX_FD
|
||||
if [ $? -ne 0 ] ; then
|
||||
warn "Could not set maximum file descriptor limit: $MAX_FD"
|
||||
fi
|
||||
else
|
||||
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
|
||||
fi
|
||||
fi
|
||||
|
||||
# For Darwin, add options to specify how the application appears in the dock
|
||||
if $darwin; then
|
||||
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
|
||||
fi
|
||||
|
||||
# For Cygwin or MSYS, switch paths to Windows format before running java
|
||||
if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
|
||||
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
|
||||
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
|
||||
JAVACMD=`cygpath --unix "$JAVACMD"`
|
||||
|
||||
# We build the pattern for arguments to be converted via cygpath
|
||||
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
|
||||
SEP=""
|
||||
for dir in $ROOTDIRSRAW ; do
|
||||
ROOTDIRS="$ROOTDIRS$SEP$dir"
|
||||
SEP="|"
|
||||
done
|
||||
OURCYGPATTERN="(^($ROOTDIRS))"
|
||||
# Add a user-defined pattern to the cygpath arguments
|
||||
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
|
||||
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
|
||||
fi
|
||||
# Now convert the arguments - kludge to limit ourselves to /bin/sh
|
||||
i=0
|
||||
for arg in "$@" ; do
|
||||
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
|
||||
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
|
||||
|
||||
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
|
||||
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
|
||||
else
|
||||
eval `echo args$i`="\"$arg\""
|
||||
fi
|
||||
i=`expr $i + 1`
|
||||
done
|
||||
case $i in
|
||||
0) set -- ;;
|
||||
1) set -- "$args0" ;;
|
||||
2) set -- "$args0" "$args1" ;;
|
||||
3) set -- "$args0" "$args1" "$args2" ;;
|
||||
4) set -- "$args0" "$args1" "$args2" "$args3" ;;
|
||||
5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
|
||||
6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
|
||||
7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
|
||||
8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
|
||||
9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
|
||||
esac
|
||||
fi
|
||||
|
||||
# Escape application args
|
||||
save () {
|
||||
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
|
||||
echo " "
|
||||
}
|
||||
APP_ARGS=`save "$@"`
|
||||
|
||||
# Collect all arguments for the java command, following the shell quoting and substitution rules
|
||||
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
|
||||
|
||||
exec "$JAVACMD" "$@"
|
||||
100
gradle-6/gradlew.bat
vendored
Normal file
100
gradle-6/gradlew.bat
vendored
Normal file
@ -0,0 +1,100 @@
|
||||
@rem
|
||||
@rem Copyright 2015 the original author or authors.
|
||||
@rem
|
||||
@rem Licensed under the Apache License, Version 2.0 (the "License");
|
||||
@rem you may not use this file except in compliance with the License.
|
||||
@rem You may obtain a copy of the License at
|
||||
@rem
|
||||
@rem https://www.apache.org/licenses/LICENSE-2.0
|
||||
@rem
|
||||
@rem Unless required by applicable law or agreed to in writing, software
|
||||
@rem distributed under the License is distributed on an "AS IS" BASIS,
|
||||
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
@rem See the License for the specific language governing permissions and
|
||||
@rem limitations under the License.
|
||||
@rem
|
||||
|
||||
@if "%DEBUG%" == "" @echo off
|
||||
@rem ##########################################################################
|
||||
@rem
|
||||
@rem Gradle startup script for Windows
|
||||
@rem
|
||||
@rem ##########################################################################
|
||||
|
||||
@rem Set local scope for the variables with windows NT shell
|
||||
if "%OS%"=="Windows_NT" setlocal
|
||||
|
||||
set DIRNAME=%~dp0
|
||||
if "%DIRNAME%" == "" set DIRNAME=.
|
||||
set APP_BASE_NAME=%~n0
|
||||
set APP_HOME=%DIRNAME%
|
||||
|
||||
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
|
||||
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
|
||||
|
||||
@rem Find java.exe
|
||||
if defined JAVA_HOME goto findJavaFromJavaHome
|
||||
|
||||
set JAVA_EXE=java.exe
|
||||
%JAVA_EXE% -version >NUL 2>&1
|
||||
if "%ERRORLEVEL%" == "0" goto init
|
||||
|
||||
echo.
|
||||
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
|
||||
echo.
|
||||
echo Please set the JAVA_HOME variable in your environment to match the
|
||||
echo location of your Java installation.
|
||||
|
||||
goto fail
|
||||
|
||||
:findJavaFromJavaHome
|
||||
set JAVA_HOME=%JAVA_HOME:"=%
|
||||
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
|
||||
|
||||
if exist "%JAVA_EXE%" goto init
|
||||
|
||||
echo.
|
||||
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
|
||||
echo.
|
||||
echo Please set the JAVA_HOME variable in your environment to match the
|
||||
echo location of your Java installation.
|
||||
|
||||
goto fail
|
||||
|
||||
:init
|
||||
@rem Get command-line arguments, handling Windows variants
|
||||
|
||||
if not "%OS%" == "Windows_NT" goto win9xME_args
|
||||
|
||||
:win9xME_args
|
||||
@rem Slurp the command line arguments.
|
||||
set CMD_LINE_ARGS=
|
||||
set _SKIP=2
|
||||
|
||||
:win9xME_args_slurp
|
||||
if "x%~1" == "x" goto execute
|
||||
|
||||
set CMD_LINE_ARGS=%*
|
||||
|
||||
:execute
|
||||
@rem Setup the command line
|
||||
|
||||
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
|
||||
|
||||
@rem Execute Gradle
|
||||
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
|
||||
|
||||
:end
|
||||
@rem End local scope for the variables with windows NT shell
|
||||
if "%ERRORLEVEL%"=="0" goto mainEnd
|
||||
|
||||
:fail
|
||||
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
|
||||
rem the _cmd.exe /c_ return code!
|
||||
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
|
||||
exit /b 1
|
||||
|
||||
:mainEnd
|
||||
if "%OS%"=="Windows_NT" endlocal
|
||||
|
||||
:omega
|
||||
11
gradle-6/httpclient-platform/build.gradle.kts
Normal file
11
gradle-6/httpclient-platform/build.gradle.kts
Normal file
@ -0,0 +1,11 @@
|
||||
plugins {
|
||||
`java-platform`
|
||||
}
|
||||
|
||||
dependencies {
|
||||
constraints {
|
||||
api("org.apache.httpcomponents:fluent-hc:4.5.10")
|
||||
api("org.apache.httpcomponents:httpclient:4.5.10")
|
||||
runtime("commons-logging:commons-logging:1.2")
|
||||
}
|
||||
}
|
||||
12
gradle-6/module-metadata-publishing/build.gradle.kts
Normal file
12
gradle-6/module-metadata-publishing/build.gradle.kts
Normal file
@ -0,0 +1,12 @@
|
||||
plugins {
|
||||
java
|
||||
`maven-publish`
|
||||
}
|
||||
|
||||
publishing {
|
||||
publications {
|
||||
register<MavenPublication>("mavenJava") {
|
||||
from(components["java"])
|
||||
}
|
||||
}
|
||||
}
|
||||
8
gradle-6/person-rest-client/build.gradle.kts
Normal file
8
gradle-6/person-rest-client/build.gradle.kts
Normal file
@ -0,0 +1,8 @@
|
||||
plugins {
|
||||
`java-library`
|
||||
}
|
||||
|
||||
dependencies {
|
||||
api(platform(project(":httpclient-platform")))
|
||||
implementation("org.apache.httpcomponents:fluent-hc")
|
||||
}
|
||||
10
gradle-6/settings.gradle.kts
Normal file
10
gradle-6/settings.gradle.kts
Normal file
@ -0,0 +1,10 @@
|
||||
rootProject.name = "gradle-6"
|
||||
|
||||
include("configuration-avoidance")
|
||||
include("dependency-constraints")
|
||||
include("fibonacci-spi")
|
||||
include("fibonacci-recursive")
|
||||
include("httpclient-platform")
|
||||
include("module-metadata-publishing")
|
||||
include("person-rest-client")
|
||||
include("widget-rest-client")
|
||||
8
gradle-6/widget-rest-client/build.gradle.kts
Normal file
8
gradle-6/widget-rest-client/build.gradle.kts
Normal file
@ -0,0 +1,8 @@
|
||||
plugins {
|
||||
`java-library`
|
||||
}
|
||||
|
||||
dependencies {
|
||||
api(platform(project(":httpclient-platform")))
|
||||
implementation("org.apache.httpcomponents:httpclient")
|
||||
}
|
||||
4
java-numbers-3/README.md
Normal file
4
java-numbers-3/README.md
Normal file
@ -0,0 +1,4 @@
|
||||
### Relevant Articles:
|
||||
|
||||
- [Generating Random Numbers](https://www.baeldung.com/java-generating-random-numbers)
|
||||
- [Convert Double to Long in Java](https://www.baeldung.com/java-convert-double-long)
|
||||
@ -3,3 +3,4 @@
|
||||
This module contains articles about JSON.
|
||||
|
||||
### Relevant Articles:
|
||||
- [Introduction to Jsoniter](https://www.baeldung.com/java-jsoniter)
|
||||
|
||||
@ -9,3 +9,5 @@ Remember, for advanced libraries like [Jackson](/jackson) and [JUnit](/testing-m
|
||||
|
||||
### Relevant Articles:
|
||||
- [Parsing Command-Line Parameters with JCommander](https://www.baeldung.com/jcommander-parsing-command-line-parameters)
|
||||
- [Guide to the Cactoos Library](https://www.baeldung.com/java-cactoos)
|
||||
- [Parsing Command-Line Parameters with Airline](https://www.baeldung.com/java-airline)
|
||||
|
||||
@ -73,6 +73,17 @@
|
||||
<version>${cache2k.version}</version>
|
||||
<type>pom</type>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>com.jcabi</groupId>
|
||||
<artifactId>jcabi-aspects</artifactId>
|
||||
<version>${jcabi-aspects.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.aspectj</groupId>
|
||||
<artifactId>aspectjrt</artifactId>
|
||||
<version>${aspectjrt.version}</version>
|
||||
<scope>runtime</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.takes</groupId>
|
||||
<artifactId>takes</artifactId>
|
||||
@ -122,6 +133,36 @@
|
||||
</resources>
|
||||
</build>
|
||||
|
||||
<build>
|
||||
<finalName>libraries-3</finalName>
|
||||
<plugins>
|
||||
<plugin>
|
||||
<groupId>com.jcabi</groupId>
|
||||
<artifactId>jcabi-maven-plugin</artifactId>
|
||||
<version>${jcabi-maven-plugin.version}</version>
|
||||
<executions>
|
||||
<execution>
|
||||
<goals>
|
||||
<goal>ajc</goal>
|
||||
</goals>
|
||||
</execution>
|
||||
</executions>
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.aspectj</groupId>
|
||||
<artifactId>aspectjtools</artifactId>
|
||||
<version>${aspectjtools.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.aspectj</groupId>
|
||||
<artifactId>aspectjweaver</artifactId>
|
||||
<version>${aspectjweaver.version}</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
<profiles>
|
||||
<profile>
|
||||
<id>hit-refresh</id>
|
||||
@ -170,5 +211,11 @@
|
||||
<cactoos.version>0.43</cactoos.version>
|
||||
<airline.version>2.7.2</airline.version>
|
||||
<cache2k.version>1.2.3.Final</cache2k.version>
|
||||
|
||||
<jcabi-aspects.version>0.22.6</jcabi-aspects.version>
|
||||
<aspectjrt.version>1.9.2</aspectjrt.version>
|
||||
<jcabi-maven-plugin.version>0.14.1</jcabi-maven-plugin.version>
|
||||
<aspectjtools.version>1.9.2</aspectjtools.version>
|
||||
<aspectjweaver.version>1.9.2</aspectjweaver.version>
|
||||
</properties>
|
||||
</project>
|
||||
|
||||
@ -4,38 +4,33 @@ import java.util.Objects;
|
||||
|
||||
import org.cache2k.Cache;
|
||||
import org.cache2k.Cache2kBuilder;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
public class ProductHelper {
|
||||
|
||||
final Logger LOGGER = LoggerFactory.getLogger(ProductHelper.class);
|
||||
|
||||
private Cache<String, Integer> cachedDiscounts;
|
||||
|
||||
private int cacheMissCount = 0;
|
||||
|
||||
public ProductHelper() {
|
||||
cachedDiscounts = Cache2kBuilder.of(String.class, Integer.class)
|
||||
.name("discount")
|
||||
.eternal(true)
|
||||
.entryCapacity(100)
|
||||
.build();
|
||||
|
||||
initDiscountCache("Sports", 20);
|
||||
}
|
||||
|
||||
public void initDiscountCache(String productType, Integer value) {
|
||||
cachedDiscounts.put(productType, value);
|
||||
}
|
||||
|
||||
public Integer getDiscount(String productType) {
|
||||
Integer discount = cachedDiscounts.get(productType);
|
||||
if (Objects.isNull(discount)) {
|
||||
LOGGER.info("Discount for {} not found.", productType);
|
||||
discount = 0;
|
||||
} else {
|
||||
LOGGER.info("Discount for {} found.", productType);
|
||||
cacheMissCount++;
|
||||
discount = "Sports".equalsIgnoreCase(productType) ? 20 : 10;
|
||||
cachedDiscounts.put(productType, discount);
|
||||
}
|
||||
return discount;
|
||||
}
|
||||
|
||||
public int getCacheMissCount() {
|
||||
return cacheMissCount;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@ -1,6 +1,5 @@
|
||||
package com.baeldung.cache2k;
|
||||
|
||||
import java.util.Objects;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import org.cache2k.Cache;
|
||||
@ -14,28 +13,26 @@ public class ProductHelperUsingLoader {
|
||||
|
||||
private Cache<String, Integer> cachedDiscounts;
|
||||
|
||||
private int cacheMissCount = 0;
|
||||
|
||||
public ProductHelperUsingLoader() {
|
||||
cachedDiscounts = Cache2kBuilder.of(String.class, Integer.class)
|
||||
.name("discount-loader")
|
||||
.eternal(false)
|
||||
.expireAfterWrite(10, TimeUnit.MILLISECONDS)
|
||||
.entryCapacity(100)
|
||||
.loader((key) -> {
|
||||
LOGGER.info("Calculating discount for {}.", key);
|
||||
cacheMissCount++;
|
||||
return "Sports".equalsIgnoreCase(key) ? 20 : 10;
|
||||
})
|
||||
.build();
|
||||
}
|
||||
|
||||
public Integer getDiscount(String productType) {
|
||||
Integer discount = cachedDiscounts.get(productType);
|
||||
if (Objects.isNull(discount)) {
|
||||
LOGGER.info("Discount for {} not found.", productType);
|
||||
discount = 0;
|
||||
} else {
|
||||
LOGGER.info("Discount for {} found.", productType);
|
||||
}
|
||||
return discount;
|
||||
return cachedDiscounts.get(productType);
|
||||
}
|
||||
|
||||
public int getCacheMissCount() {
|
||||
return cacheMissCount;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@ -1,6 +1,5 @@
|
||||
package com.baeldung.cache2k;
|
||||
|
||||
import java.util.Objects;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import org.cache2k.Cache;
|
||||
@ -16,14 +15,15 @@ public class ProductHelperWithEventListener {
|
||||
|
||||
private Cache<String, Integer> cachedDiscounts;
|
||||
|
||||
private int cacheMissCount = 0;
|
||||
|
||||
public ProductHelperWithEventListener() {
|
||||
cachedDiscounts = Cache2kBuilder.of(String.class, Integer.class)
|
||||
.name("discount-listener")
|
||||
.eternal(false)
|
||||
.expireAfterWrite(10, TimeUnit.MILLISECONDS)
|
||||
.entryCapacity(100)
|
||||
.loader((key) -> {
|
||||
LOGGER.info("Calculating discount for {}.", key);
|
||||
cacheMissCount++;
|
||||
return "Sports".equalsIgnoreCase(key) ? 20 : 10;
|
||||
})
|
||||
.addListener(new CacheEntryCreatedListener<String, Integer>() {
|
||||
@ -36,14 +36,11 @@ public class ProductHelperWithEventListener {
|
||||
}
|
||||
|
||||
public Integer getDiscount(String productType) {
|
||||
Integer discount = cachedDiscounts.get(productType);
|
||||
if (Objects.isNull(discount)) {
|
||||
LOGGER.info("Discount for {} not found.", productType);
|
||||
discount = 0;
|
||||
} else {
|
||||
LOGGER.info("Discount for {} found.", productType);
|
||||
}
|
||||
return discount;
|
||||
return cachedDiscounts.get(productType);
|
||||
}
|
||||
|
||||
public int getCacheMissCount() {
|
||||
return cacheMissCount;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@ -5,39 +5,34 @@ import java.util.concurrent.TimeUnit;
|
||||
|
||||
import org.cache2k.Cache;
|
||||
import org.cache2k.Cache2kBuilder;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
public class ProductHelperWithExpiry {
|
||||
|
||||
final Logger LOGGER = LoggerFactory.getLogger(ProductHelperWithExpiry.class);
|
||||
|
||||
private Cache<String, Integer> cachedDiscounts;
|
||||
|
||||
private int cacheMissCount = 0;
|
||||
|
||||
public ProductHelperWithExpiry() {
|
||||
cachedDiscounts = Cache2kBuilder.of(String.class, Integer.class)
|
||||
.name("discount-expiry")
|
||||
.eternal(false)
|
||||
.expireAfterWrite(5, TimeUnit.MILLISECONDS)
|
||||
.entryCapacity(100)
|
||||
.build();
|
||||
|
||||
initDiscountCache("Sports", 20);
|
||||
}
|
||||
|
||||
public void initDiscountCache(String productType, Integer value) {
|
||||
cachedDiscounts.put(productType, value);
|
||||
}
|
||||
|
||||
public Integer getDiscount(String productType) {
|
||||
Integer discount = cachedDiscounts.get(productType);
|
||||
if (Objects.isNull(discount)) {
|
||||
LOGGER.info("Discount for {} not found.", productType);
|
||||
discount = 0;
|
||||
} else {
|
||||
LOGGER.info("Discount for {} found.", productType);
|
||||
cacheMissCount++;
|
||||
discount = "Sports".equalsIgnoreCase(productType) ? 20 : 10;
|
||||
cachedDiscounts.put(productType, discount);
|
||||
}
|
||||
return discount;
|
||||
}
|
||||
|
||||
public int getCacheMissCount() {
|
||||
return cacheMissCount;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
112
libraries-3/src/main/java/com/baeldung/jcabi/JcabiAspectJ.java
Normal file
112
libraries-3/src/main/java/com/baeldung/jcabi/JcabiAspectJ.java
Normal file
@ -0,0 +1,112 @@
|
||||
package com.baeldung.jcabi;
|
||||
|
||||
|
||||
import java.io.BufferedReader;
|
||||
import java.io.FileNotFoundException;
|
||||
import java.io.FileReader;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStreamReader;
|
||||
import java.net.MalformedURLException;
|
||||
import java.net.URL;
|
||||
import java.net.URLConnection;
|
||||
import java.util.concurrent.CompletableFuture;
|
||||
import java.util.concurrent.Future;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import com.jcabi.aspects.Async;
|
||||
import com.jcabi.aspects.Cacheable;
|
||||
import com.jcabi.aspects.LogExceptions;
|
||||
import com.jcabi.aspects.Loggable;
|
||||
import com.jcabi.aspects.Quietly;
|
||||
import com.jcabi.aspects.RetryOnFailure;
|
||||
import com.jcabi.aspects.UnitedThrow;
|
||||
|
||||
public class JcabiAspectJ {
|
||||
|
||||
public static void main(String[] args) {
|
||||
try {
|
||||
displayFactorial(10);
|
||||
getFactorial(10).get();
|
||||
|
||||
String result = cacheExchangeRates();
|
||||
if (result != cacheExchangeRates()) {
|
||||
System.out.println(result);
|
||||
}
|
||||
|
||||
divideByZero();
|
||||
} catch(Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
|
||||
divideByZeroQuietly();
|
||||
try {
|
||||
processFile();
|
||||
} catch(Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@Loggable
|
||||
@Async
|
||||
public static void displayFactorial(int number) {
|
||||
long result = factorial(number);
|
||||
System.out.println(result);
|
||||
}
|
||||
|
||||
@Loggable
|
||||
@Async
|
||||
public static Future<Long> getFactorial(int number) {
|
||||
Future<Long> factorialFuture = CompletableFuture.supplyAsync(() -> factorial(number));
|
||||
return factorialFuture;
|
||||
}
|
||||
|
||||
/**
|
||||
* Finds factorial of a number
|
||||
* @param number
|
||||
* @return
|
||||
*/
|
||||
public static long factorial(int number) {
|
||||
long result = 1;
|
||||
for(int i=number;i>0;i--) {
|
||||
result *= i;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
@Loggable
|
||||
@Cacheable(lifetime = 2, unit = TimeUnit.SECONDS)
|
||||
public static String cacheExchangeRates() {
|
||||
String result = null;
|
||||
try {
|
||||
URL exchangeRateUrl = new URL("https://api.exchangeratesapi.io/latest");
|
||||
URLConnection con = exchangeRateUrl.openConnection();
|
||||
BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
|
||||
result = in.readLine();
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
@LogExceptions
|
||||
public static void divideByZero() {
|
||||
int x = 1/0;
|
||||
}
|
||||
|
||||
@RetryOnFailure(attempts = 2, types = {java.lang.NumberFormatException.class})
|
||||
@Quietly
|
||||
public static void divideByZeroQuietly() {
|
||||
int x = 1/0;
|
||||
}
|
||||
|
||||
@UnitedThrow(IllegalStateException.class)
|
||||
public static void processFile() throws IOException, InterruptedException {
|
||||
BufferedReader reader = new BufferedReader(new FileReader("baeldung.txt"));
|
||||
reader.readLine();
|
||||
|
||||
Thread thread = new Thread();
|
||||
thread.wait(2000);
|
||||
}
|
||||
|
||||
}
|
||||
@ -6,12 +6,13 @@ import org.junit.Test;
|
||||
|
||||
public class ProductHelperUnitTest {
|
||||
|
||||
ProductHelper productHelper = new ProductHelper();
|
||||
|
||||
@Test
|
||||
public void whenInvokedGetDiscount_thenGetItFromCache() {
|
||||
public void whenInvokedGetDiscountTwice_thenGetItFromCache() {
|
||||
ProductHelper productHelper = new ProductHelper();
|
||||
assertTrue(productHelper.getCacheMissCount() == 0);
|
||||
assertTrue(productHelper.getDiscount("Sports") == 20);
|
||||
assertTrue(productHelper.getDiscount("Electronics") == 0);
|
||||
assertTrue(productHelper.getDiscount("Sports") == 20);
|
||||
assertTrue(productHelper.getCacheMissCount() == 1);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Some files were not shown because too many files have changed in this diff Show More
Loading…
x
Reference in New Issue
Block a user