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This commit is contained in:
Alessio Stalla 2018-04-07 13:25:14 +02:00
commit 2b7fe591fd
385 changed files with 324325 additions and 905 deletions
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2
.travis.yml
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@ -4,7 +4,7 @@ before_install:
- echo "MAVEN_OPTS='-Xmx2048M -Xss128M -XX:+CMSClassUnloadingEnabled -XX:+UseG1GC -XX:-UseGCOverheadLimit'" > ~/.mavenrc
install: skip
script: travis_wait 60 mvn -q test -fae
script: travis_wait 60 mvn -q test
sudo: required

248
activejdbc/pom.xml
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@ -1,129 +1,129 @@
<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>
<groupId>com.baeldung</groupId>
<artifactId>activejdbc</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>activejdbc</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<activejdbc.version>1.4.13</activejdbc.version>
<environments>development.test,development</environments>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.6.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.javalite</groupId>
<artifactId>activejdbc-instrumentation</artifactId>
<version>${activejdbc.version}</version>
<executions>
<execution>
<phase>process-classes</phase>
<goals>
<goal>instrument</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.javalite</groupId>
<artifactId>db-migrator-maven-plugin</artifactId>
<version>${activejdbc.version}</version>
<configuration>
<configFile>${project.basedir}/src/main/resources/database.properties</configFile>
<environments>${environments}</environments>
</configuration>
<dependencies>
<dependency>
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>
<groupId>com.baeldung</groupId>
<artifactId>activejdbc</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>activejdbc</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<activejdbc.version>1.4.13</activejdbc.version>
<environments>development.test,development</environments>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.6.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.javalite</groupId>
<artifactId>activejdbc-instrumentation</artifactId>
<version>${activejdbc.version}</version>
<executions>
<execution>
<phase>process-classes</phase>
<goals>
<goal>instrument</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.javalite</groupId>
<artifactId>db-migrator-maven-plugin</artifactId>
<version>${activejdbc.version}</version>
<configuration>
<configFile>${project.basedir}/src/main/resources/database.properties</configFile>
<environments>${environments}</environments>
</configuration>
<dependencies>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.34</version>
</dependency>
</dependencies>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.18.1</version>
<configuration>
<reportFormat>brief</reportFormat>
<trimStackTrace>true</trimStackTrace>
<useFile>false</useFile>
<includes>
<include>**/*Spec*.java</include>
<include>**/*Test*.java</include>
</includes>
<excludes>
<exclude>**/helpers/*</exclude>
<exclude>**/*$*</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.javalite</groupId>
<artifactId>activejdbc</artifactId>
<version>${activejdbc.version}</version>
<exclusions>
<exclusion>
<groupId>opensymphony</groupId>
<artifactId>oscache</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.34</version>
</dependency>
</dependencies>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.18.1</version>
<configuration>
<reportFormat>brief</reportFormat>
<trimStackTrace>true</trimStackTrace>
<useFile>false</useFile>
<includes>
<include>**/*Spec*.java</include>
<include>**/*Test*.java</include>
</includes>
<excludes>
<exclude>**/helpers/*</exclude>
<exclude>**/*$*</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.javalite</groupId>
<artifactId>activejdbc</artifactId>
<version>${activejdbc.version}</version>
<exclusions>
<exclusion>
<groupId>opensymphony</groupId>
<artifactId>oscache</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.34</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<version>1.7.9</version>
</dependency>
</dependencies>
<repositories>
<repository>
<id>snapshots1</id>
<name>JavaLite Snapshots1</name>
<url>http://repo.javalite.io/</url>
<snapshots>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
<checksumPolicy>warn</checksumPolicy>
</snapshots>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>snapshots2</id>
<name>JavaLite Snapshots2</name>
<url>http://repo.javalite.io/</url>
<snapshots>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
<checksumPolicy>warn</checksumPolicy>
</snapshots>
</pluginRepository>
</pluginRepositories>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<version>1.7.9</version>
</dependency>
</dependencies>
<repositories>
<repository>
<id>snapshots1</id>
<name>JavaLite Snapshots1</name>
<url>http://repo.javalite.io/</url>
<snapshots>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
<checksumPolicy>warn</checksumPolicy>
</snapshots>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>snapshots2</id>
<name>JavaLite Snapshots2</name>
<url>http://repo.javalite.io/</url>
<snapshots>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
<checksumPolicy>warn</checksumPolicy>
</snapshots>
</pluginRepository>
</pluginRepositories>
</project>

32
apache-opennlp/pom.xml Normal file
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@ -0,0 +1,32 @@
<?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>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<artifactId>apache-opennlp</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<dependencies>
<dependency>
<groupId>org.apache.opennlp</groupId>
<artifactId>opennlp-tools</artifactId>
<version>1.8.4</version>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>3.9.0</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>

100
apache-opennlp/src/main/resources/models/DoccatSample.txt Normal file
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32
apache-opennlp/src/test/java/com/baeldung/apache/opennlp/ChunkerTest.java Normal file
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@ -0,0 +1,32 @@
package com.baeldung.apache.opennlp;
import java.io.FileInputStream;
import java.io.InputStream;
import opennlp.tools.chunker.ChunkerME;
import opennlp.tools.chunker.ChunkerModel;
import opennlp.tools.postag.POSModel;
import opennlp.tools.postag.POSTaggerME;
import opennlp.tools.tokenize.SimpleTokenizer;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.Test;
public class ChunkerTest {
@Test
public void givenChunkerModel_whenChunk_thenChunksAreDetected() throws Exception {
SimpleTokenizer tokenizer = SimpleTokenizer.INSTANCE;
String[] tokens = tokenizer.tokenize("He reckons the current account deficit will narrow to only 8 billion.");
InputStream inputStreamPOSTagger = getClass().getResourceAsStream("/models/en-pos-maxent.bin");
POSModel posModel = new POSModel(inputStreamPOSTagger);
POSTaggerME posTagger = new POSTaggerME(posModel);
String tags[] = posTagger.tag(tokens);
InputStream inputStreamChunker = new FileInputStream("src/main/resources/models/en-chunker.bin");
ChunkerModel chunkerModel = new ChunkerModel(inputStreamChunker);
ChunkerME chunker = new ChunkerME(chunkerModel);
String[] chunks = chunker.chunk(tokens, tags);
assertThat(chunks).contains("B-NP", "B-VP", "B-NP", "I-NP", "I-NP", "I-NP", "B-VP", "I-VP", "B-PP", "B-NP", "I-NP", "I-NP", "O");
}
}

41
apache-opennlp/src/test/java/com/baeldung/apache/opennlp/LanguageDetectorAndTrainingDataTest.java Normal file
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@ -0,0 +1,41 @@
package com.baeldung.apache.opennlp;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Arrays;
import opennlp.tools.langdetect.Language;
import opennlp.tools.langdetect.LanguageDetector;
import opennlp.tools.langdetect.LanguageDetectorFactory;
import opennlp.tools.langdetect.LanguageDetectorME;
import opennlp.tools.langdetect.LanguageDetectorModel;
import opennlp.tools.langdetect.LanguageDetectorSampleStream;
import opennlp.tools.util.InputStreamFactory;
import opennlp.tools.util.MarkableFileInputStreamFactory;
import opennlp.tools.util.ObjectStream;
import opennlp.tools.util.PlainTextByLineStream;
import opennlp.tools.util.TrainingParameters;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.Test;
public class LanguageDetectorAndTrainingDataTest {
@Test
public void givenLanguageDictionary_whenLanguageDetect_thenLanguageIsDetected() throws FileNotFoundException, IOException {
InputStreamFactory dataIn = new MarkableFileInputStreamFactory(new File("src/main/resources/models/DoccatSample.txt"));
ObjectStream lineStream = new PlainTextByLineStream(dataIn, "UTF-8");
LanguageDetectorSampleStream sampleStream = new LanguageDetectorSampleStream(lineStream);
TrainingParameters params = new TrainingParameters();
params.put(TrainingParameters.ITERATIONS_PARAM, 100);
params.put(TrainingParameters.CUTOFF_PARAM, 5);
params.put("DataIndexer", "TwoPass");
params.put(TrainingParameters.ALGORITHM_PARAM, "NAIVEBAYES");
LanguageDetectorModel model = LanguageDetectorME.train(sampleStream, params, new LanguageDetectorFactory());
LanguageDetector ld = new LanguageDetectorME(model);
Language[] languages = ld.predictLanguages("estava em uma marcenaria na Rua Bruno");
assertThat(Arrays.asList(languages).toString()).contains("pob (0.9999999950605625)", "ita (4.939427661577956E-9)", "spa (9.665954064665144E-15)",
"fra (8.250349924885834E-25)");
}
}

29
apache-opennlp/src/test/java/com/baeldung/apache/opennlp/LemmetizerTest.java Normal file
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@ -0,0 +1,29 @@
package com.baeldung.apache.opennlp;
import java.io.InputStream;
import opennlp.tools.lemmatizer.DictionaryLemmatizer;
import opennlp.tools.postag.POSModel;
import opennlp.tools.postag.POSTaggerME;
import opennlp.tools.tokenize.SimpleTokenizer;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.Test;
public class LemmetizerTest {
@Test
public void givenEnglishDictionary_whenLemmatize_thenLemmasAreDetected() throws Exception {
SimpleTokenizer tokenizer = SimpleTokenizer.INSTANCE;
String[] tokens = tokenizer.tokenize("John has a sister named Penny.");
InputStream inputStreamPOSTagger = getClass().getResourceAsStream("/models/en-pos-maxent.bin");
POSModel posModel = new POSModel(inputStreamPOSTagger);
POSTaggerME posTagger = new POSTaggerME(posModel);
String tags[] = posTagger.tag(tokens);
InputStream dictLemmatizer = getClass().getResourceAsStream("/models/en-lemmatizer.dict");
DictionaryLemmatizer lemmatizer = new DictionaryLemmatizer(dictLemmatizer);
String[] lemmas = lemmatizer.lemmatize(tokens, tags);
assertThat(lemmas).contains("O", "have", "a", "sister", "name", "O", "O");
}
}

39
apache-opennlp/src/test/java/com/baeldung/apache/opennlp/NamedEntityRecognitionTest.java Normal file
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@ -0,0 +1,39 @@
package com.baeldung.apache.opennlp;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import opennlp.tools.namefind.NameFinderME;
import opennlp.tools.namefind.TokenNameFinderModel;
import opennlp.tools.tokenize.SimpleTokenizer;
import opennlp.tools.util.Span;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.Test;
public class NamedEntityRecognitionTest {
@Test
public void givenEnglishPersonModel_whenNER_thenPersonsAreDetected() throws Exception {
SimpleTokenizer tokenizer = SimpleTokenizer.INSTANCE;
String[] tokens = tokenizer.tokenize("John is 26 years old. His best friend's name is Leonard. He has a sister named Penny.");
InputStream inputStreamNameFinder = getClass().getResourceAsStream("/models/en-ner-person.bin");
TokenNameFinderModel model = new TokenNameFinderModel(inputStreamNameFinder);
NameFinderME nameFinderME = new NameFinderME(model);
List<Span> spans = Arrays.asList(nameFinderME.find(tokens));
assertThat(spans.toString()).isEqualTo("[[0..1) person, [13..14) person, [20..21) person]");
List<String> names = new ArrayList<String>();
int k = 0;
for (Span s : spans) {
names.add("");
for (int index = s.getStart(); index < s.getEnd(); index++) {
names.set(k, names.get(k) + tokens[index]);
}
k++;
}
assertThat(names).contains("John","Leonard","Penny");
}
}

24
apache-opennlp/src/test/java/com/baeldung/apache/opennlp/POSTaggerTest.java Normal file
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@ -0,0 +1,24 @@
package com.baeldung.apache.opennlp;
import java.io.InputStream;
import opennlp.tools.postag.POSModel;
import opennlp.tools.postag.POSTaggerME;
import opennlp.tools.tokenize.SimpleTokenizer;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.Test;
public class POSTaggerTest {
@Test
public void givenPOSModel_whenPOSTagging_thenPOSAreDetected() throws Exception {
SimpleTokenizer tokenizer = SimpleTokenizer.INSTANCE;
String[] tokens = tokenizer.tokenize("John has a sister named Penny.");
InputStream inputStreamPOSTagger = getClass().getResourceAsStream("/models/en-pos-maxent.bin");
POSModel posModel = new POSModel(inputStreamPOSTagger);
POSTaggerME posTagger = new POSTaggerME(posModel);
String tags[] = posTagger.tag(tokens);
assertThat(tags).contains("NNP", "VBZ", "DT", "NN", "VBN", "NNP", ".");
}
}

28
apache-opennlp/src/test/java/com/baeldung/apache/opennlp/SentenceDetectionTest.java Normal file
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@ -0,0 +1,28 @@
package com.baeldung.apache.opennlp;
import java.io.InputStream;
import opennlp.tools.sentdetect.SentenceDetectorME;
import opennlp.tools.sentdetect.SentenceModel;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.Test;
public class SentenceDetectionTest {
@Test
public void givenEnglishModel_whenDetect_thenSentencesAreDetected() throws Exception {
String paragraph = "This is a statement. This is another statement. Now is an abstract word for time, "
+ "that is always flying. And my email address is google@gmail.com.";
InputStream is = getClass().getResourceAsStream("/models/en-sent.bin");
SentenceModel model = new SentenceModel(is);
SentenceDetectorME sdetector = new SentenceDetectorME(model);
String sentences[] = sdetector.sentDetect(paragraph);
assertThat(sentences).contains("This is a statement.",
"This is another statement.",
"Now is an abstract word for time, that is always flying.",
"And my email address is google@gmail.com.");
}
}

36
apache-opennlp/src/test/java/com/baeldung/apache/opennlp/TokenizerTest.java Normal file
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@ -0,0 +1,36 @@
package com.baeldung.apache.opennlp;
import java.io.InputStream;
import opennlp.tools.tokenize.SimpleTokenizer;
import opennlp.tools.tokenize.TokenizerME;
import opennlp.tools.tokenize.TokenizerModel;
import opennlp.tools.tokenize.WhitespaceTokenizer;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.Test;
public class TokenizerTest {
@Test
public void givenEnglishModel_whenTokenize_thenTokensAreDetected() throws Exception {
InputStream inputStream = getClass().getResourceAsStream("/models/en-token.bin");
TokenizerModel model = new TokenizerModel(inputStream);
TokenizerME tokenizer = new TokenizerME(model);
String[] tokens = tokenizer.tokenize("Baeldung is a Spring Resource.");
assertThat(tokens).contains("Baeldung", "is", "a", "Spring", "Resource", ".");
}
@Test
public void givenWhitespaceTokenizer_whenTokenize_thenTokensAreDetected() throws Exception {
WhitespaceTokenizer tokenizer = WhitespaceTokenizer.INSTANCE;
String[] tokens = tokenizer.tokenize("Baeldung is a Spring Resource.");
assertThat(tokens).contains("Baeldung", "is", "a", "Spring", "Resource.");
}
@Test
public void givenSimpleTokenizer_whenTokenize_thenTokensAreDetected() throws Exception {
SimpleTokenizer tokenizer = SimpleTokenizer.INSTANCE;
String[] tokens = tokenizer.tokenize("Baeldung is a Spring Resource.");
assertThat(tokens).contains("Baeldung", "is", "a", "Spring", "Resource", ".");
}
}

6
asm/pom.xml
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@ -1,10 +1,12 @@
<?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">
<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>
<groupId>com.baeldung.examples</groupId>
<artifactId>asm</artifactId>
<version>1.0</version>
<packaging>jar</packaging>
<dependencies>
<dependency>
<groupId>org.ow2.asm</groupId>
@ -17,11 +19,13 @@
<version>5.2</version>
</dependency>
</dependencies>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<build>
<plugins>
<plugin>

1
aws/README.md
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@ -3,4 +3,5 @@
- [AWS Lambda Using DynamoDB With Java](http://www.baeldung.com/aws-lambda-dynamodb-java)
- [AWS S3 with Java](http://www.baeldung.com/aws-s3-java)
- [AWS Lambda With Java](http://www.baeldung.com/java-aws-lambda)
- [Managing EC2 Instances in Java] (http://www.baeldung.com/ec2-java)

38
aws/pom.xml
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@ -22,6 +22,8 @@
<junit.version>4.12</junit.version>
<mockito-core.version>2.8.9</mockito-core.version>
<assertj-core.version>3.8.0</assertj-core.version>
<dynamodblocal.version>1.11.86</dynamodblocal.version>
<dynamodblocal.repository.url>https://s3-us-west-2.amazonaws.com/dynamodb-local/release</dynamodblocal.repository.url>
</properties>
<dependencies>
@ -88,6 +90,13 @@
<artifactId>gson</artifactId>
<version>${gson.version}</version>
</dependency>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>DynamoDBLocal</artifactId>
<version>${dynamodblocal.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
@ -108,6 +117,35 @@
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.10</version>
<executions>
<execution>
<id>copy-dependencies</id>
<phase>test-compile</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<includeScope>test</includeScope>
<includeTypes>so,dll,dylib</includeTypes>
<outputDirectory>${project.basedir}/native-libs</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>dynamodb-local</id>
<name>DynamoDB Local Release Repository</name>
<url>${dynamodblocal.repository.url}</url>
</repository>
</repositories>
</project>

51
aws/src/main/java/com/baeldung/dynamodb/entity/ProductInfo.java Normal file
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@ -0,0 +1,51 @@
package com.baeldung.dynamodb.entity;
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBAttribute;
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBAutoGeneratedKey;
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBHashKey;
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBTable;
@DynamoDBTable(tableName = "ProductInfo")
public class ProductInfo {
private String id;
private String msrp;
private String cost;
public ProductInfo() {
}
public ProductInfo(String cost, String msrp) {
this.msrp = msrp;
this.cost = cost;
}
@DynamoDBHashKey
@DynamoDBAutoGeneratedKey
public String getId() {
return id;
}
@DynamoDBAttribute
public String getMsrp() {
return msrp;
}
@DynamoDBAttribute
public String getCost() {
return cost;
}
public void setId(String id) {
this.id = id;
}
public void setMsrp(String msrp) {
this.msrp = msrp;
}
public void setCost(String cost) {
this.cost = cost;
}
}

49
aws/src/main/java/com/baeldung/dynamodb/repository/AbstractRepository.java Normal file
View File

@ -0,0 +1,49 @@
package com.baeldung.dynamodb.repository;
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapper;
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBScanExpression;
import java.io.Serializable;
import java.lang.reflect.ParameterizedType;
import java.util.List;
public abstract class AbstractRepository<T, ID extends Serializable> {
protected DynamoDBMapper mapper;
protected Class<T> entityClass;
protected AbstractRepository() {
ParameterizedType genericSuperclass = (ParameterizedType) getClass().getGenericSuperclass();
// This entityClass refers to the actual entity class in the subclass declaration.
// For instance, ProductInfoDAO extends AbstractDAO<ProductInfo, String>
// In this case entityClass = ProductInfo, and ID is String type
// which refers to the ProductInfo's partition key string value
this.entityClass = (Class<T>) genericSuperclass.getActualTypeArguments()[0];
}
public void save(T t) {
mapper.save(t);
}
public T findOne(ID id) {
return mapper.load(entityClass, id);
}
/**
* <strong>WARNING:</strong> It is not recommended to perform full table scan
* targeting the real production environment.
*
* @return All items
*/
public List<T> findAll() {
DynamoDBScanExpression scanExpression = new DynamoDBScanExpression();
return mapper.scan(entityClass, scanExpression);
}
public void setMapper(DynamoDBMapper dynamoDBMapper) {
this.mapper = dynamoDBMapper;
}
}

6
aws/src/main/java/com/baeldung/dynamodb/repository/ProductInfoRepository.java Normal file
View File

@ -0,0 +1,6 @@
package com.baeldung.dynamodb.repository;
import com.baeldung.dynamodb.entity.ProductInfo;
public class ProductInfoRepository extends AbstractRepository<ProductInfo, String> {
}

120
aws/src/test/java/com/baeldung/dynamodb/ProductInfoRepositoryIntegrationTest.java Normal file
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@ -0,0 +1,120 @@
package com.baeldung.dynamodb;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.dynamodbv2.AmazonDynamoDB;
import com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient;
import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapper;
import com.amazonaws.services.dynamodbv2.model.CreateTableRequest;
import com.amazonaws.services.dynamodbv2.model.ProvisionedThroughput;
import com.amazonaws.services.dynamodbv2.model.ResourceInUseException;
import com.baeldung.dynamodb.entity.ProductInfo;
import com.baeldung.dynamodb.repository.ProductInfoRepository;
import com.baeldung.dynamodb.rule.LocalDbCreationRule;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.ClassRule;
import org.junit.Test;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;
import java.util.Optional;
import java.util.Properties;
import static org.hamcrest.Matchers.greaterThan;
import static org.hamcrest.core.Is.is;
import static org.hamcrest.core.IsEqual.equalTo;
import static org.junit.Assert.assertThat;
public class ProductInfoRepositoryIntegrationTest {
@ClassRule
public static LocalDbCreationRule dynamoDB = new LocalDbCreationRule();
private static DynamoDBMapper dynamoDBMapper;
private static AmazonDynamoDB amazonDynamoDB;
private ProductInfoRepository repository;
private static final String DYNAMODB_ENDPOINT = "amazon.dynamodb.endpoint";
private static final String AWS_ACCESSKEY = "amazon.aws.accesskey";
private static final String AWS_SECRETKEY = "amazon.aws.secretkey";
private static final String EXPECTED_COST = "20";
private static final String EXPECTED_PRICE = "50";
@BeforeClass
public static void setupClass() {
Properties testProperties = loadFromFileInClasspath("test.properties")
.filter(properties -> !isEmpty(properties.getProperty(AWS_ACCESSKEY)))
.filter(properties -> !isEmpty(properties.getProperty(AWS_SECRETKEY)))
.filter(properties -> !isEmpty(properties.getProperty(DYNAMODB_ENDPOINT)))
.orElseThrow(() -> new RuntimeException("Unable to get all of the required test property values"));
String amazonAWSAccessKey = testProperties.getProperty(AWS_ACCESSKEY);
String amazonAWSSecretKey = testProperties.getProperty(AWS_SECRETKEY);
String amazonDynamoDBEndpoint = testProperties.getProperty(DYNAMODB_ENDPOINT);
amazonDynamoDB = new AmazonDynamoDBClient(new BasicAWSCredentials(amazonAWSAccessKey, amazonAWSSecretKey));
amazonDynamoDB.setEndpoint(amazonDynamoDBEndpoint);
dynamoDBMapper = new DynamoDBMapper(amazonDynamoDB);
}
@Before
public void setup() {
try {
repository = new ProductInfoRepository();
repository.setMapper(dynamoDBMapper);
CreateTableRequest tableRequest = dynamoDBMapper.generateCreateTableRequest(ProductInfo.class);
tableRequest.setProvisionedThroughput(new ProvisionedThroughput(1L, 1L));
amazonDynamoDB.createTable(tableRequest);
} catch (ResourceInUseException e) {
// Do nothing, table already created
}
// TODO How to handle different environments. i.e. AVOID deleting all entries in ProductInfo on table
dynamoDBMapper.batchDelete((List<ProductInfo>) repository.findAll());
}
@Test
public void givenItemWithExpectedCost_whenRunFindAll_thenItemIsFound() {
ProductInfo productInfo = new ProductInfo(EXPECTED_COST, EXPECTED_PRICE);
repository.save(productInfo);
List<ProductInfo> result = (List<ProductInfo>) repository.findAll();
assertThat(result.size(), is(greaterThan(0)));
assertThat(result.get(0).getCost(), is(equalTo(EXPECTED_COST)));
}
private static boolean isEmpty(String inputString) {
return inputString == null || "".equals(inputString);
}
private static Optional<Properties> loadFromFileInClasspath(String fileName) {
InputStream stream = null;
try {
Properties config = new Properties();
Path configLocation = Paths.get(ClassLoader.getSystemResource(fileName).toURI());
stream = Files.newInputStream(configLocation);
config.load(stream);
return Optional.of(config);
} catch (Exception e) {
return Optional.empty();
} finally {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
}
}
}
}
}

35
aws/src/test/java/com/baeldung/dynamodb/rule/LocalDbCreationRule.java Normal file
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@ -0,0 +1,35 @@
package com.baeldung.dynamodb.rule;
import com.amazonaws.services.dynamodbv2.local.main.ServerRunner;
import com.amazonaws.services.dynamodbv2.local.server.DynamoDBProxyServer;
import org.junit.rules.ExternalResource;
public class LocalDbCreationRule extends ExternalResource {
protected DynamoDBProxyServer server;
public LocalDbCreationRule() {
System.setProperty("sqlite4java.library.path", "native-libs");
}
@Override
protected void before() throws Exception {
String port = "8000";
this.server = ServerRunner.createServerFromCommandLineArgs(new String[]{"-inMemory", "-port", port});
server.start();
}
@Override
protected void after() {
this.stopUnchecked(server);
}
protected void stopUnchecked(DynamoDBProxyServer dynamoDbServer) {
try {
dynamoDbServer.stop();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}

2
aws/src/test/java/com/baeldung/s3/MultipartUploadTest.java → aws/src/test/java/com/baeldung/s3/MultipartUploadLiveTest.java
View File

@ -20,7 +20,7 @@ import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
public class MultipartUploadTest {
public class MultipartUploadLiveTest {
private static final String BUCKET_NAME = "bucket_name";
private static final String KEY_NAME = "picture.jpg";

3
aws/src/test/resources/test.properties Normal file
View File

@ -0,0 +1,3 @@
amazon.dynamodb.endpoint=http://localhost:8000/
amazon.aws.accesskey=key
amazon.aws.secretkey=key2

141
camel-api/pom.xml
View File

@ -1,80 +1,79 @@
<?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">
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>
<groupId>com.example</groupId>
<artifactId>spring-boot-camel</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>Spring-Boot - Camel API</name>
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<groupId>com.example</groupId>
<artifactId>spring-boot-camel</artifactId>
<version>0.0.1-SNAPSHOT</version>
<dependencies>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-servlet-starter</artifactId>
<version>${camel.version}</version>
</dependency>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-jackson-starter</artifactId>
<version>${camel.version}</version>
</dependency>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-swagger-java-starter</artifactId>
<version>${camel.version}</version>
</dependency>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-spring-boot-starter</artifactId>
<version>${camel.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>${spring-boot-starter.version}</version>
</dependency>
</dependencies>
<name>Spring-Boot - Camel API</name>
<build>
<defaultGoal>spring-boot:run</defaultGoal>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven-compiler-plugin.version>3.7.0</maven-compiler-plugin.version>
<maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
<camel.version>2.19.1</camel.version>
<spring-boot-starter.version>1.5.4.RELEASE</spring-boot-starter.version>
</properties>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>${spring-boot-starter.version}</version>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-servlet-starter</artifactId>
<version>${camel.version}</version>
</dependency>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-jackson-starter</artifactId>
<version>${camel.version}</version>
</dependency>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-swagger-java-starter</artifactId>
<version>${camel.version}</version>
</dependency>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-spring-boot-starter</artifactId>
<version>${camel.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>${spring-boot-starter.version}</version>
</dependency>
</dependencies>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven-compiler-plugin.version>3.7.0</maven-compiler-plugin.version>
<maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
<camel.version>2.19.1</camel.version>
<spring-boot-starter.version>1.5.4.RELEASE</spring-boot-starter.version>
</properties>
<build>
<defaultGoal>spring-boot:run</defaultGoal>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>${maven-surefire-plugin.version}</version>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>${spring-boot-starter.version}</version>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>

1
core-java-8/pom.xml
View File

@ -8,7 +8,6 @@
<name>core-java-8</name>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>

110
core-java-8/src/test/java/com/baeldung/internationalization/DateFormatUnitTest.java Normal file
View File

@ -0,0 +1,110 @@
package com.baeldung.internationalization;
import org.junit.Assert;
import org.junit.Test;
import java.text.DateFormat;
import java.text.DateFormatSymbols;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Locale;
import java.util.TimeZone;
public class DateFormatUnitTest {
@Test
public void givenGregorianCalendar_whenLocaleSpecificDateInstance_givenLanguageSpecificMonths() {
GregorianCalendar gregorianCalendar = new GregorianCalendar(2018, 1, 1, 10, 15, 20);
Date date = gregorianCalendar.getTime();
DateFormat itInstance = DateFormat.getDateInstance(DateFormat.FULL, Locale.ITALY);
DateFormat usInstance = DateFormat.getDateInstance(DateFormat.FULL, Locale.US);
Assert.assertEquals("giovedì 1 febbraio 2018", itInstance.format(date));
Assert.assertEquals("Thursday, February 1, 2018", usInstance.format(date));
}
@Test
public void givenGregorianCalendar_whenDateInstanceWithDifferentFormats_givenSpecificDateFormatting() {
GregorianCalendar gregorianCalendar = new GregorianCalendar(2018, 1, 1, 10, 15, 20);
Date date = gregorianCalendar.getTime();
DateFormat fullInstance = DateFormat.getDateInstance(DateFormat.FULL, Locale.ITALY);
DateFormat mediumInstance = DateFormat.getDateInstance(DateFormat.MEDIUM, Locale.ITALY);
Assert.assertEquals("giovedì 1 febbraio 2018", fullInstance.format(date));
Assert.assertEquals("1-feb-2018", mediumInstance.format(date));
}
@Test
public void givenGregorianCalendar_whenTimeInstanceWithDifferentFormats_givenSpecificTimeFormatting() {
GregorianCalendar gregorianCalendar = new GregorianCalendar(2018, 1, 1, 10, 15, 20);
gregorianCalendar.setTimeZone(TimeZone.getTimeZone("CET"));
TimeZone.setDefault(TimeZone.getTimeZone("CET"));
Date date = gregorianCalendar.getTime();
DateFormat fullInstance = DateFormat.getTimeInstance(DateFormat.FULL, Locale.ITALY);
DateFormat mediumInstance = DateFormat.getTimeInstance(DateFormat.MEDIUM, Locale.ITALY);
Assert.assertEquals("10.15.20 CET", fullInstance.format(date));
Assert.assertEquals("10.15.20" , mediumInstance.format(date));
}
@Test
public void givenGregorianCalendar_whenDateTimeInstanceWithDifferentFormats_givenSpecificDateTimeFormatting() {
GregorianCalendar gregorianCalendar = new GregorianCalendar(2018, 1, 1, 10, 15, 20);
gregorianCalendar.setTimeZone(TimeZone.getTimeZone("CET"));
TimeZone.setDefault(TimeZone.getTimeZone("CET"));
Date date = gregorianCalendar.getTime();
DateFormat ffInstance = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.FULL, Locale.ITALY);
DateFormat smInstance = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM, Locale.ITALY);
Assert.assertEquals("giovedì 1 febbraio 2018 10.15.20 CET", ffInstance.format(date));
Assert.assertEquals("01/02/18 10.15.20", smInstance.format(date));
}
@Test
public void givenGregorianCalendar_whenLocaleSpecificDateTimeInstance_givenLocaleSpecificFormatting() {
GregorianCalendar gregorianCalendar = new GregorianCalendar(2018, 1, 1, 10, 15, 20);
gregorianCalendar.setTimeZone(TimeZone.getTimeZone("CET"));
TimeZone.setDefault(TimeZone.getTimeZone("CET"));
Date date = gregorianCalendar.getTime();
DateFormat itInstance = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.FULL, Locale.ITALY);
DateFormat jpInstance = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.FULL, Locale.JAPAN);
Assert.assertEquals("giovedì 1 febbraio 2018 10.15.20 CET", itInstance.format(date));
Assert.assertEquals("2018年2月1日 10時15分20秒 CET", jpInstance.format(date));
}
@Test
public void givenGregorianCalendar_whenCustomizedSimpleDateFormat_thenSpecificMonthRepresentations() {
GregorianCalendar gregorianCalendar = new GregorianCalendar(2018, 1, 1, 10, 15, 20);
Date date = gregorianCalendar.getTime();
Locale.setDefault(new Locale("pl", "PL"));
SimpleDateFormat fullMonthDateFormat = new SimpleDateFormat("dd-MMMM-yyyy HH:mm:ss:SSS");
SimpleDateFormat shortMonthsimpleDateFormat = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss:SSS");
Assert.assertEquals("01-lutego-2018 10:15:20:000", fullMonthDateFormat.format(date));
Assert.assertEquals("01-02-2018 10:15:20:000" , shortMonthsimpleDateFormat.format(date));
}
@Test
public void givenGregorianCalendar_whenCustomizedDateFormatSymbols_thenChangedDayNames() {
GregorianCalendar gregorianCalendar = new GregorianCalendar(2018, 1, 1, 10, 15, 20);
Date date = gregorianCalendar.getTime();
Locale.setDefault(new Locale("pl", "PL"));
DateFormatSymbols dateFormatSymbols = new DateFormatSymbols();
dateFormatSymbols.setWeekdays(new String[]{"A", "B", "C", "D", "E", "F", "G", "H"});
SimpleDateFormat standardDateFormat = new SimpleDateFormat("EEEE-MMMM-yyyy HH:mm:ss:SSS");
SimpleDateFormat newDaysDateFormat = new SimpleDateFormat("EEEE-MMMM-yyyy HH:mm:ss:SSS", dateFormatSymbols);
Assert.assertEquals("czwartek-lutego-2018 10:15:20:000", standardDateFormat.format(date));
Assert.assertEquals("F-lutego-2018 10:15:20:000", newDaysDateFormat.format(date));
}
}

46
core-java-8/src/test/java/com/baeldung/internationalization/DateTimeFormatterUnitTest.java Normal file
View File

@ -0,0 +1,46 @@
package com.baeldung.internationalization;
import org.junit.Assert;
import org.junit.Test;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.time.format.FormatStyle;
import java.util.Locale;
import java.util.TimeZone;
public class DateTimeFormatterUnitTest {
@Test
public void givenDefaultUsLocaleAndDateTimeAndPattern_whenFormatWithDifferentLocales_thenGettingLocalizedDateTimes() {
Locale.setDefault(Locale.US);
LocalDateTime localDateTime = LocalDateTime.of(2018, 1, 1, 10, 15, 50, 500);
String pattern = "dd-MMMM-yyyy HH:mm:ss.SSS";
DateTimeFormatter defaultTimeFormatter = DateTimeFormatter.ofPattern(pattern);
DateTimeFormatter plTimeFormatter = DateTimeFormatter.ofPattern(pattern, new Locale("pl", "PL"));
DateTimeFormatter deTimeFormatter = DateTimeFormatter.ofPattern(pattern).withLocale(Locale.GERMANY);
Assert.assertEquals("01-January-2018 10:15:50.000", defaultTimeFormatter.format(localDateTime));
Assert.assertEquals("01-stycznia-2018 10:15:50.000", plTimeFormatter.format(localDateTime));
Assert.assertEquals("01-Januar-2018 10:15:50.000", deTimeFormatter.format(localDateTime));
}
@Test
public void givenDateTimeAndTimeZone_whenFormatWithDifferentLocales_thenGettingLocalizedZonedDateTimes() {
Locale.setDefault(Locale.US);
LocalDateTime localDateTime = LocalDateTime.of(2018, 1, 1, 10, 15, 50, 500);
ZoneId losAngelesTimeZone = TimeZone.getTimeZone("America/Los_Angeles").toZoneId();
DateTimeFormatter localizedFormatter = DateTimeFormatter.ofLocalizedDateTime(FormatStyle.FULL);
DateTimeFormatter frLocalizedFormatter =
DateTimeFormatter.ofLocalizedDateTime(FormatStyle.FULL).withLocale(Locale.FRANCE);
String formattedDateTime = localizedFormatter.format(ZonedDateTime.of(localDateTime, losAngelesTimeZone));
String frFormattedDateTime = frLocalizedFormatter.format(ZonedDateTime.of(localDateTime, losAngelesTimeZone));
Assert.assertEquals("Monday, January 1, 2018 10:15:50 AM PST", formattedDateTime);
Assert.assertEquals("lundi 1 janvier 2018 10 h 15 PST", frFormattedDateTime);
}
}

76
core-java-8/src/test/java/com/baeldung/internationalization/NumbersCurrenciesFormattingUnitTest.java Normal file
View File

@ -0,0 +1,76 @@
package com.baeldung.internationalization;
import org.junit.Assert;
import org.junit.Test;
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.NumberFormat;
import java.util.Currency;
import java.util.Locale;
public class NumbersCurrenciesFormattingUnitTest {
@Test
public void givenDifferentLocalesAndDoubleNumber_whenNumberInstance_thenDifferentOutput() {
Locale usLocale = Locale.US;
Locale plLocale = new Locale("pl", "PL");
Locale deLocale = Locale.GERMANY;
double number = 102_300.456d;
NumberFormat usNumberFormat = NumberFormat.getInstance(usLocale);
NumberFormat plNumberFormat = NumberFormat.getInstance(plLocale);
NumberFormat deNumberFormat = NumberFormat.getInstance(deLocale);
Assert.assertEquals(usNumberFormat.format(number), "102,300.456");
Assert.assertEquals(plNumberFormat.format(number), "102 300,456");
Assert.assertEquals(deNumberFormat.format(number), "102.300,456");
}
@Test
public void givenDifferentLocalesAndDoubleAmount_whenCurrencyInstance_thenDifferentOutput() {
Locale usLocale = Locale.US;
Locale plLocale = new Locale("pl", "PL");
Locale deLocale = Locale.GERMANY;
BigDecimal number = new BigDecimal(102_300.456d);
NumberFormat usNumberFormat = NumberFormat.getCurrencyInstance(usLocale);
NumberFormat plNumberFormat = NumberFormat.getCurrencyInstance(plLocale);
NumberFormat deNumberFormat = NumberFormat.getCurrencyInstance(deLocale);
Assert.assertEquals(usNumberFormat.format(number), "$102,300.46");
Assert.assertEquals(plNumberFormat.format(number), "102 300,46 zł");
Assert.assertEquals(deNumberFormat.format(number), "102.300,46 €");
}
@Test
public void givenLocaleAndNumber_whenSpecificDecimalFormat_thenSpecificOutput() {
Locale.setDefault(Locale.FRANCE);
BigDecimal number = new BigDecimal(102_300.456d);
DecimalFormat zeroDecimalFormat = new DecimalFormat("000000000.0000");
DecimalFormat hashDecimalFormat = new DecimalFormat("###,###.#");
DecimalFormat dollarDecimalFormat = new DecimalFormat("$###,###.##");
Assert.assertEquals(zeroDecimalFormat.format(number), "000102300,4560");
Assert.assertEquals(hashDecimalFormat.format(number), "102 300,5");
Assert.assertEquals(dollarDecimalFormat.format(number), "$102 300,46");
}
@Test
public void givenLocaleAndNumber_whenSpecificDecimalFormatSymbols_thenSpecificOutput() {
Locale.setDefault(Locale.FRANCE);
BigDecimal number = new BigDecimal(102_300.456d);
DecimalFormatSymbols decimalFormatSymbols = DecimalFormatSymbols.getInstance();
decimalFormatSymbols.setGroupingSeparator('^');
decimalFormatSymbols.setDecimalSeparator('@');
DecimalFormat separatorsDecimalFormat = new DecimalFormat("$###,###.##");
separatorsDecimalFormat.setGroupingSize(4);
separatorsDecimalFormat.setCurrency(Currency.getInstance(Locale.JAPAN));
separatorsDecimalFormat.setDecimalFormatSymbols(decimalFormatSymbols);
Assert.assertEquals(separatorsDecimalFormat.format(number), "$10^2300@46");
}
}

0
core-java/src/main/resources/META-INF/services/com.sun.source.util.Plugin → core-java-sun/src/main/resources/META-INF/services/com.sun.source.util.Plugin
View File

6
core-java/README.md
View File

@ -136,4 +136,10 @@
- [The Trie Data Structure in Java](http://www.baeldung.com/trie-java)
- [Introduction to Javadoc](http://www.baeldung.com/javadoc)
- [How to TDD a List Implementation](http://jira.baeldung.com/browse/BAEL-1537)
- [How to Make a Deep Copy of an Object in Java](http://www.baeldung.com/java-deep-copy)
- [Check if a String is a Palindrome](http://www.baeldung.com/java-palindrome)
- [Comparing Strings in Java](http://www.baeldung.com/java-compare-strings)
- [Guide to Inheritance in Java](http://www.baeldung.com/java-inheritance)
- [Guide to Externalizable Interface in Java](http://www.baeldung.com/java-externalizable)
- [The “final” Keyword in Java](http://www.baeldung.com/java-final)

10
core-java/src/main/java/com/baeldung/array/SumAndAverageInArray.java
View File

@ -6,8 +6,8 @@ public class SumAndAverageInArray {
public static int findSumWithoutUsingStream(int[] array) {
int sum = 0;
for (int index = 0; index < array.length; index++) {
sum += array[index];
for (int value : array) {
sum += value;
}
return sum;
}
@ -16,12 +16,16 @@ public class SumAndAverageInArray {
return Arrays.stream(array).sum();
}
public static int findSumUsingStream(Integer[] array) {
return Arrays.stream(array).mapToInt(Integer::intValue).sum();
}
public static double findAverageWithoutUsingStream(int[] array) {
int sum = findSumWithoutUsingStream(array);
return (double) sum / array.length;
}
public static double findAverageUsingStream(int[] array) {
return Arrays.stream(array).average().getAsDouble();
return Arrays.stream(array).average().orElse(Double.NaN);
}
}

5
core-java/src/main/java/com/baeldung/finalkeyword/BlackCat.java Normal file
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@ -0,0 +1,5 @@
package com.baeldung.finalkeyword;
public class BlackCat {
}

6
core-java/src/main/java/com/baeldung/finalkeyword/BlackDog.java Normal file
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@ -0,0 +1,6 @@
package com.baeldung.finalkeyword;
public class BlackDog extends Dog {
// public void sound() {
// }
}

18
core-java/src/main/java/com/baeldung/finalkeyword/Cat.java Normal file
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@ -0,0 +1,18 @@
package com.baeldung.finalkeyword;
public final class Cat {
private int weight;
public int getWeight() {
return weight;
}
public void setWeight(int weight) {
this.weight = weight;
}
public void methodWithFinalArguments(final int x) {
// x=1;
}
}

7
core-java/src/main/java/com/baeldung/finalkeyword/Dog.java Normal file
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@ -0,0 +1,7 @@
package com.baeldung.finalkeyword;
public class Dog {
public final void sound() {
}
}

27
core-java/src/main/java/com/baeldung/inheritancecomposition/application/Application.java Normal file
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@ -0,0 +1,27 @@
package com.baeldung.inheritancecomposition.application;
import com.baeldung.inheritancecomposition.model.Actress;
import com.baeldung.inheritancecomposition.model.Computer;
import com.baeldung.inheritancecomposition.model.StandardMemory;
import com.baeldung.inheritancecomposition.model.Person;
import com.baeldung.inheritancecomposition.model.StandardProcessor;
import com.baeldung.inheritancecomposition.model.StandardSoundCard;
import com.baeldung.inheritancecomposition.model.Waitress;
public class Application {
public static void main(String[] args) {
Person person = new Person("John", "john@domain.com", 35);
Waitress waitress = new Waitress("Mary", "mary@domain.com", 22);
System.out.println(waitress.serveStarter("mixed salad"));
System.out.println(waitress.serveMainCourse("steak"));
System.out.println(waitress.serveDessert("cup of cofee"));
Actress actress = new Actress("Susan", "susan@domain.com", 30);
System.out.println(actress.readScript("Psycho"));
System.out.println(actress.performRole());
Computer computer = new Computer(new StandardProcessor("Intel I3"), new StandardMemory("Kingston", "1TB"));
computer.setSoundCard(new StandardSoundCard("Generic Sound Card"));
System.out.println(computer);
}
}

16
core-java/src/main/java/com/baeldung/inheritancecomposition/model/Actress.java Normal file
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@ -0,0 +1,16 @@
package com.baeldung.inheritancecomposition.model;
public class Actress extends Person {
public Actress(String name, String email, int age) {
super(name, email, age);
}
public String readScript(String movie) {
return "Reading the script of " + movie;
}
public String performRole() {
return "Performing a role";
}
}

36
core-java/src/main/java/com/baeldung/inheritancecomposition/model/Computer.java Normal file
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@ -0,0 +1,36 @@
package com.baeldung.inheritancecomposition.model;
import java.util.Optional;
public class Computer {
private Processor processor;
private Memory memory;
private SoundCard soundCard;
public Computer(Processor processor, Memory memory) {
this.processor = processor;
this.memory = memory;
}
public void setSoundCard(SoundCard soundCard) {
this.soundCard = soundCard;
}
public Processor getProcessor() {
return processor;
}
public Memory getMemory() {
return memory;
}
public Optional<SoundCard> getSoundCard() {
return Optional.ofNullable(soundCard);
}
@Override
public String toString() {
return "Computer{" + "processor=" + processor + ", memory=" + memory + ", soundcard=" + soundCard +"}";
}
}

8
core-java/src/main/java/com/baeldung/inheritancecomposition/model/Memory.java Normal file
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@ -0,0 +1,8 @@
package com.baeldung.inheritancecomposition.model;
public interface Memory {
String getBrand();
String getSize();
}

31
core-java/src/main/java/com/baeldung/inheritancecomposition/model/Person.java Normal file
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@ -0,0 +1,31 @@
package com.baeldung.inheritancecomposition.model;
public class Person {
private final String name;
private final String email;
private final int age;
public Person(String name, String email, int age) {
this.name = name;
this.email = email;
this.age = age;
}
public String getName() {
return name;
}
public String getEmail() {
return email;
}
public int getAge() {
return age;
}
@Override
public String toString() {
return "Person{" + "name=" + name + ", email=" + email + ", age=" + age + "}";
}
}

6
core-java/src/main/java/com/baeldung/inheritancecomposition/model/Processor.java Normal file
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@ -0,0 +1,6 @@
package com.baeldung.inheritancecomposition.model;
public interface Processor {
String getModel();
}

6
core-java/src/main/java/com/baeldung/inheritancecomposition/model/SoundCard.java Normal file
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@ -0,0 +1,6 @@
package com.baeldung.inheritancecomposition.model;
public interface SoundCard {
String getBrand();
}

25
core-java/src/main/java/com/baeldung/inheritancecomposition/model/StandardMemory.java Normal file
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@ -0,0 +1,25 @@
package com.baeldung.inheritancecomposition.model;
public class StandardMemory implements Memory {
private String brand;
private String size;
public StandardMemory(String brand, String size) {
this.brand = brand;
this.size = size;
}
public String getBrand() {
return brand;
}
public String getSize() {
return size;
}
@Override
public String toString() {
return "Memory{" + "brand=" + brand + ", size=" + size + "}";
}
}

20
core-java/src/main/java/com/baeldung/inheritancecomposition/model/StandardProcessor.java Normal file
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@ -0,0 +1,20 @@
package com.baeldung.inheritancecomposition.model;
public class StandardProcessor implements Processor {
private String model;
public StandardProcessor(String model) {
this.model = model;
}
@Override
public String getModel() {
return model;
}
@Override
public String toString() {
return "Processor{" + "model=" + model + "}";
}
}

20
core-java/src/main/java/com/baeldung/inheritancecomposition/model/StandardSoundCard.java Normal file
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@ -0,0 +1,20 @@
package com.baeldung.inheritancecomposition.model;
public class StandardSoundCard implements SoundCard {
private String brand;
public StandardSoundCard(String brand) {
this.brand = brand;
}
@Override
public String getBrand() {
return brand;
}
@Override
public String toString() {
return "SoundCard{" + "brand=" + brand + "}";
}
}

20
core-java/src/main/java/com/baeldung/inheritancecomposition/model/Waitress.java Normal file
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@ -0,0 +1,20 @@
package com.baeldung.inheritancecomposition.model;
public class Waitress extends Person {
public Waitress(String name, String email, int age) {
super(name, email, age);
}
public String serveStarter(String starter) {
return "Serving a " + starter;
}
public String serveMainCourse(String mainCourse) {
return "Serving a " + mainCourse;
}
public String serveDessert(String dessert) {
return "Serving a " + dessert;
}
}

29
core-java/src/main/java/com/baeldung/javafx/Main.java Normal file
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@ -0,0 +1,29 @@
package com.baeldung.javafx;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Scene;
import javafx.scene.layout.AnchorPane;
import javafx.stage.Stage;
public class Main extends Application {
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage primaryStage) throws Exception {
FXMLLoader loader = new FXMLLoader(Main.class.getResource("/SearchController.fxml"));
AnchorPane page = (AnchorPane) loader.load();
Scene scene = new Scene(page);
scene.getStylesheets().add("/search.css");
primaryStage.setTitle("Title goes here");
primaryStage.setScene(scene);
primaryStage.show();
}
}

61
core-java/src/main/java/com/baeldung/javafx/model/Person.java Normal file
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@ -0,0 +1,61 @@
package com.baeldung.javafx.model;
import javafx.beans.property.*;
public class Person {
private SimpleIntegerProperty id;
private SimpleStringProperty name;
private SimpleBooleanProperty isEmployed;
public Person(Integer id, String name, boolean isEmployed) {
this.id = new SimpleIntegerProperty(id);
this.name = new SimpleStringProperty(name);
this.isEmployed = new SimpleBooleanProperty(isEmployed);
}
public int getId() {
return id.get();
}
public IntegerProperty idProperty() {
return id;
}
public void setId(int id) {
this.id.set(id);
}
public String getName() {
return name.get();
}
public StringProperty nameProperty() {
return name;
}
public void setName(String name) {
this.name.set(name);
}
public boolean getIsEmployed() {
return isEmployed.get();
}
public BooleanProperty isEmployedProperty() {
return isEmployed;
}
public void setIsEmployed(boolean isEmployed) {
this.isEmployed.set(isEmployed);
}
@Override
public String toString() {
return "Person{" +
"id=" + id +
", name='" + name + '\'' +
", isEmployed=" + isEmployed +
'}';
}
}

100
core-java/src/main/java/com/baeldung/javafx/view/SearchController.java Normal file
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@ -0,0 +1,100 @@
package com.baeldung.javafx.view;
import com.baeldung.javafx.model.Person;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.concurrent.Task;
import javafx.fxml.FXML;
import javafx.scene.Node;
import javafx.scene.control.*;
import javafx.scene.input.KeyCode;
import javafx.scene.layout.VBox;
import java.util.List;
import java.util.stream.Collectors;
public class SearchController {
public static final int PAGE_ITEMS_COUNT = 10;
@FXML
private TextField searchField;
@FXML
private Button searchButton;
@FXML
private Pagination pagination;
@FXML
private Label searchLabel;
private ObservableList<Person> masterData = FXCollections.observableArrayList();
public SearchController() {
masterData.add(new Person(5, "John", true));
masterData.add(new Person(7, "Albert", true));
masterData.add(new Person(11, "Monica", false));
}
@FXML
private void initialize() {
// search panel
searchButton.setText("Search");
searchButton.setOnAction(event -> loadData());
searchButton.setStyle("-fx-background-color: #457ecd; -fx-text-fill: #ffffff;");
searchField.setOnKeyPressed(event -> {
if (event.getCode().equals(KeyCode.ENTER)) {
loadData();
}
});
searchField.textProperty().addListener((observable, oldValue, newValue) -> {
searchLabel.setText(newValue);
});
pagination.setPageFactory(SearchController.this::createPage);
}
private Node createPage(Integer pageIndex) {
VBox dataContainer = new VBox();
TableView<Person> tableView = new TableView<>(masterData);
TableColumn id = new TableColumn("ID");
TableColumn name = new TableColumn("NAME");
TableColumn employed = new TableColumn("EMPLOYED");
tableView.getColumns().addAll(id, name, employed);
dataContainer.getChildren().add(tableView);
return dataContainer;
}
private void loadData() {
String searchText = searchField.getText();
Task<ObservableList<Person>> task = new Task<ObservableList<Person>>() {
@Override
protected ObservableList<Person> call() throws Exception {
updateMessage("Loading data");
return FXCollections.observableArrayList(masterData
.stream()
.filter(value -> value.getName().toLowerCase().contains(searchText))
.collect(Collectors.toList()));
}
};
task.setOnSucceeded(event -> {
masterData = task.getValue();
pagination.setVisible(true);
pagination.setPageCount(masterData.size() / PAGE_ITEMS_COUNT);
});
Thread th = new Thread(task);
th.setDaemon(true);
th.start();
}
}

54
core-java/src/main/java/com/baeldung/ssl/SecureConnection.java Normal file
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@ -0,0 +1,54 @@
package com.baeldung.ssl;
import java.io.InputStream;
import java.io.OutputStream;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
public class SecureConnection {
public static void main(String[] args) {
if (args.length != 2) {
System.out.println("Use: SecureConnection host port");
System.exit(1);
}
try {
String host = getHost(args);
Integer port = getPort(args);
SSLSocketFactory sslsocketfactory = (SSLSocketFactory) SSLSocketFactory.getDefault();
SSLSocket sslsocket = (SSLSocket) sslsocketfactory.createSocket(host, port);
InputStream in = sslsocket.getInputStream();
OutputStream out = sslsocket.getOutputStream();
out.write(1);
while (in.available() > 0) {
System.out.print(in.read());
}
System.out.println("Secured connection performed successfully");
} catch (Exception exception) {
exception.printStackTrace();
}
}
/**
* Get the host from arguments
* @param args the arguments
* @return the host
*/
private static String getHost(String[] args) {
return args[0];
}
/**
* Get the port from arguments
* @param args the arguments
* @return the port
*/
private static Integer getPort(String[] args) {
return Integer.parseInt(args[1]);
}
}

33
core-java/src/main/resources/SearchController.fxml Normal file
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@ -0,0 +1,33 @@
<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.control.Pagination?>
<?import javafx.scene.control.TextField?>
<?import javafx.scene.layout.*?>
<AnchorPane xmlns:fx="http://javafx.com/fxml"
xmlns="http://javafx.com/javafx"
fx:controller="com.baeldung.javafx.view.SearchController"
prefHeight="400.0" prefWidth="600.0">
<children>
<HBox id="HBox" alignment="CENTER" spacing="5.0" AnchorPane.leftAnchor="10.0"
AnchorPane.rightAnchor="10.0" AnchorPane.topAnchor="10.0">
<children>
<Label text="Search Text:"/>
<TextField fx:id="searchField" prefWidth="-1.0" HBox.hgrow="ALWAYS"/>
<Button fx:id="searchButton" prefWidth="-1.0" HBox.hgrow="ALWAYS"/>
<Label fx:id="searchLabel"/>
</children>
</HBox>
<Pagination fx:id="pagination"
AnchorPane.leftAnchor="10.0"
AnchorPane.rightAnchor="10.0"
AnchorPane.topAnchor="50.0"
visible="false">
</Pagination>
</children>
</AnchorPane>

4
core-java/src/main/resources/search.css Normal file
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@ -0,0 +1,4 @@
.button {
-fx-background-color: red;
-fx-text-fill: white;
}

18
core-java/src/test/java/com/baeldung/array/SumAndAverageInArrayTest.java
View File

@ -21,6 +21,15 @@ public class SumAndAverageInArrayTest {
Assert.assertEquals(expectedSumOfArray, actualSumOfArray);
}
@Test
public void givenAnBoxedIntegerArray_whenUsingStream_thenFindSum() {
Integer[] array = new Integer[]{1, 3, 4, 8, 19, 20};
int expectedSumOfArray = 55;
int actualSumOfArray = SumAndAverageInArray.findSumUsingStream(array);
Assert.assertEquals(expectedSumOfArray, actualSumOfArray);
}
@Test
public void givenAnIntArray_whenNotUsingStream_thenFindAverage() {
int[] array = { 1, 3, 4, 8, 19, 20 };
@ -38,4 +47,13 @@ public class SumAndAverageInArrayTest {
Assert.assertEquals(expectedAvgOfArray, actualAvgOfArray, 0.0034);
}
@Test
public void givenAnEmptyIntArray_whenUsingStream_thenFindAverage() {
int[] array = {};
double expectedAvgOfArray = Double.NaN;
double actualAvgOfArray = SumAndAverageInArray.findAverageUsingStream(array);
Assert.assertEquals(expectedAvgOfArray, actualAvgOfArray, 0.00);
}
}

69
core-java/src/test/java/com/baeldung/dst/DaylightSavingTimeExamplesTest.java Normal file
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@ -0,0 +1,69 @@
package com.baeldung.dst;
import static org.assertj.core.api.Assertions.assertThat;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
import org.junit.Ignore;
import org.junit.Test;
public class DaylightSavingTimeExamplesTest {
@Test
public void givenItalianTimeZone_WhenDSTHappens_ThenCorrectlyShiftTimeZone() throws ParseException {
TimeZone.setDefault(TimeZone.getTimeZone("Europe/Rome"));
TimeZone tz = TimeZone.getTimeZone("Europe/Rome");
Calendar cal = Calendar.getInstance(tz, Locale.ITALIAN);
DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm", Locale.ITALIAN);
Date dateBeforeDST = df.parse("2018-03-25 01:55");
prettyPrint(cal.getTimeZone());
cal.setTime(dateBeforeDST);
System.out.println("Before DST (00:55 UTC - 01:55 GMT+1) = " + dateBeforeDST);
System.out.println("With this Calendar " + (cal.get(Calendar.ZONE_OFFSET) + cal.get(Calendar.DST_OFFSET)) / (60 * 1000) + " minutes must be added to UTC (GMT TimeZone) to get a correct date for this TimeZone\n");
assertThat(cal.get(Calendar.ZONE_OFFSET)).isEqualTo(3600000);
assertThat(cal.get(Calendar.DST_OFFSET)).isEqualTo(0);
cal.add(Calendar.MINUTE, 10);
Date dateAfterDST = cal.getTime();
System.out.println(" After DST (01:05 UTC - 03:05 GMT+2) = " + dateAfterDST);
System.out.println("With this Calendar " + (cal.get(Calendar.ZONE_OFFSET) + cal.get(Calendar.DST_OFFSET)) / (60 * 1000) + " minutes must be added to UTC (GMT TimeZone) to get a correct date for this TimeZone\n");
assertThat(cal.get(Calendar.DST_OFFSET)).isEqualTo(3600000);
assertThat(dateAfterDST).isEqualTo(df.parse("2018-03-25 03:05"));
Long deltaBetweenDatesInMillis = dateAfterDST.getTime() - dateBeforeDST.getTime();
Long tenMinutesInMillis = (1000L * 60 * 10);
assertThat(deltaBetweenDatesInMillis).isEqualTo(tenMinutesInMillis);
}
private void prettyPrint(TimeZone tz) {
//@formatter:off
System.out.println(String.format(
" Zone ID = %s (%s)\n"
+ " RawOffset = %s minutes\n"
+ " DST = %s minutes\n"
+ " -----------------------------------------",
tz.getID(), tz.getDisplayName(), tz.getRawOffset()/60000, tz.getDSTSavings()/60000));
//@formatter:on
}
@Test
@Ignore
public void whenIterating_ThenPrintAllTimeZones() {
for (String id : TimeZone.getAvailableIDs()) {
TimeZone tz = TimeZone.getTimeZone(id);
prettyPrint(tz);
}
}
}

56
core-java/src/test/java/com/baeldung/dst/DaylightSavingTimeJavaTimeExamplesTest.java Normal file
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@ -0,0 +1,56 @@
package com.baeldung.dst;
import static org.assertj.core.api.Assertions.assertThat;
import java.text.ParseException;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.temporal.ChronoUnit;
import java.util.TimeZone;
import org.junit.Test;
public class DaylightSavingTimeJavaTimeExamplesTest {
@Test
public void givenItalianTimeZone_WhenDSTHappens_ThenCorrectlyShiftTimeZone() throws ParseException {
ZoneId italianZoneId = ZoneId.of("Europe/Rome");
LocalDateTime localDateTimeBeforeDST = LocalDateTime.of(2018, 3, 25, 1, 55);
System.out.println(localDateTimeBeforeDST);
assertThat(localDateTimeBeforeDST.toString()).isEqualTo("2018-03-25T01:55");
ZonedDateTime zonedDateTimeBeforeDST = localDateTimeBeforeDST.atZone(italianZoneId);
prettyPrint(zonedDateTimeBeforeDST);
assertThat(zonedDateTimeBeforeDST.toString()).isEqualTo("2018-03-25T01:55+01:00[Europe/Rome]");
ZonedDateTime zonedDateTimeAfterDST = zonedDateTimeBeforeDST.plus(10, ChronoUnit.MINUTES);
prettyPrint(zonedDateTimeAfterDST);
assertThat(zonedDateTimeAfterDST.toString()).isEqualTo("2018-03-25T03:05+02:00[Europe/Rome]");
Long deltaBetweenDatesInMinutes = ChronoUnit.MINUTES.between(zonedDateTimeBeforeDST, zonedDateTimeAfterDST);
assertThat(deltaBetweenDatesInMinutes).isEqualTo(10);
}
private void prettyPrint(ZonedDateTime zdt) {
//@formatter:off
System.out.println(String.format(
" ZonedDateTime = %s\n"
+ " Zone ID = %s (%s)\n"
+ " RawOffset = %s minutes\n"
+ " -----------------------------------------",
zdt, zdt.getZone(), zdt.getZone().getId(), zdt.getOffset().getTotalSeconds()/60));
//@formatter:on
}
@Test
public void whenCounting_ThenPrintDifferencesBetweenAPIs() {
System.out.println("Total java.time.ZoneId count : " + ZoneId.getAvailableZoneIds()
.size());
System.out.println("Total java.util.TimeZone Id count : " + TimeZone.getAvailableIDs().length);
}
}

33
core-java/src/test/java/com/baeldung/finalkeyword/FinalUnitTest.java Normal file
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@ -0,0 +1,33 @@
package com.baeldung.finalkeyword;
import org.junit.Test;
import static org.junit.Assert.*;
public class FinalUnitTest {
@Test
public void whenChangedFinalClassProperties_thenChanged() {
Cat cat = new Cat();
cat.setWeight(1);
assertEquals(1, cat.getWeight());
}
@Test
public void whenFinalVariableAssign_thenOnlyOnce() {
final int i;
i = 1;
// i=2;
}
@Test
public void whenChangedFinalReference_thenChanged() {
final Cat cat = new Cat();
// cat=new Cat();
cat.setWeight(5);
assertEquals(5, cat.getWeight());
}
}

41
core-java/src/test/java/com/baeldung/inheritancecomposition/test/ActressUnitTest.java Normal file
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@ -0,0 +1,41 @@
package com.baeldung.inheritancecomposition.test;
import com.baeldung.inheritancecomposition.model.Actress;
import org.junit.BeforeClass;
import org.junit.Test;
import static org.assertj.core.api.Assertions.*;
public class ActressUnitTest {
private static Actress actress;
@BeforeClass
public static void setUpActressInstance() {
actress = new Actress("Susan", "susan@domain.com", 30);
}
@Test
public void givenActressInstance_whenCalledgetName_thenEqual() {
assertThat(actress.getName()).isEqualTo("Susan");
}
@Test
public void givenActressInstance_whenCalledgetEmail_thenEqual() {
assertThat(actress.getEmail()).isEqualTo("susan@domain.com");
}
@Test
public void givenActressInstance_whenCalledgetAge_thenEqual() {
assertThat(actress.getAge()).isEqualTo(30);
}
@Test
public void givenActressInstance_whenCalledreadScript_thenEqual() {
assertThat(actress.readScript("Psycho")).isEqualTo("Reading the script of Psycho");
}
@Test
public void givenActressInstance_whenCalledperfomRole_thenEqual() {
assertThat(actress.performRole()).isEqualTo("Performing a role");
}
}

24
core-java/src/test/java/com/baeldung/inheritancecomposition/test/CompositionUnitTest.java Normal file
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@ -0,0 +1,24 @@
package com.baeldung.inheritancecomposition.test;
import com.baeldung.inheritancecomposition.model.Computer;
import com.baeldung.inheritancecomposition.model.Memory;
import com.baeldung.inheritancecomposition.model.Processor;
import com.baeldung.inheritancecomposition.model.StandardMemory;
import com.baeldung.inheritancecomposition.model.StandardProcessor;
import com.baeldung.inheritancecomposition.model.StandardSoundCard;
import java.util.Optional;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.Test;
public class CompositionUnitTest {
@Test
public void givenComputerInstance_whenExtractedEachField_thenThreeAssertions() {
Computer computer = new Computer(new StandardProcessor("Intel I3"), new StandardMemory("Kingston", "1TB"));
computer.setSoundCard(new StandardSoundCard("Generic Sound Card"));
assertThat(computer.getProcessor()).isInstanceOf(Processor.class);
assertThat(computer.getMemory()).isInstanceOf(Memory.class);
assertThat(computer.getSoundCard()).isInstanceOf(Optional.class);
}
}

20
core-java/src/test/java/com/baeldung/inheritancecomposition/test/InheritanceUnitTest.java Normal file
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@ -0,0 +1,20 @@
package com.baeldung.inheritancecomposition.test;
import com.baeldung.inheritancecomposition.model.Actress;
import com.baeldung.inheritancecomposition.model.Person;
import com.baeldung.inheritancecomposition.model.Waitress;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.Test;
public class InheritanceUnitTest {
@Test
public void givenWaitressInstance_whenCheckedType_thenIsInstanceOfPerson() {
assertThat(new Waitress("Mary", "mary@domain.com", 22)).isInstanceOf(Person.class);
}
@Test
public void givenActressInstance_whenCheckedType_thenIsInstanceOfPerson() {
assertThat(new Actress("Susan", "susan@domain.com", 30)).isInstanceOf(Person.class);
}
}

31
core-java/src/test/java/com/baeldung/inheritancecomposition/test/PersonUnitTest.java Normal file
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@ -0,0 +1,31 @@
package com.baeldung.inheritancecomposition.test;
import com.baeldung.inheritancecomposition.model.Person;
import org.junit.BeforeClass;
import org.junit.Test;
import static org.assertj.core.api.Assertions.*;
public class PersonUnitTest {
private static Person person;
@BeforeClass
public static void setPersonInstance() {
person = new Person("John", "john@domain.com", 35);
}
@Test
public void givenPersonInstance_whenCalledgetName_thenEqual() {
assertThat(person.getName()).isEqualTo("John");
}
@Test
public void givenPersonInstance_whenCalledgetEmail_thenEqual() {
assertThat(person.getEmail()).isEqualTo("john@domain.com");
}
@Test
public void givenPersonInstance_whenCalledgetAge_thenEqual() {
assertThat(person.getAge()).isEqualTo(35);
}
}

46
core-java/src/test/java/com/baeldung/inheritancecomposition/test/WaitressUnitTest.java Normal file
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@ -0,0 +1,46 @@
package com.baeldung.inheritancecomposition.test;
import com.baeldung.inheritancecomposition.model.Waitress;
import org.junit.BeforeClass;
import org.junit.Test;
import static org.assertj.core.api.Assertions.*;
public class WaitressUnitTest {
private static Waitress waitress;
@BeforeClass
public static void setUpWaitressInstance() {
waitress = new Waitress("Mary", "mary@domain.com", 22);
}
@Test
public void givenWaitressInstance_whenCalledgetName_thenOneAssertion() {
assertThat(waitress.getName()).isEqualTo("Mary");
}
@Test
public void givenWaitressInstance_whenCalledgetEmail_thenOneAssertion() {
assertThat(waitress.getEmail()).isEqualTo("mary@domain.com");
}
@Test
public void givenWaitressInstance_whenCalledgetAge_thenOneAssertion() {
assertThat(waitress.getAge()).isEqualTo(22);
}
@Test
public void givenWaitressInstance_whenCalledserveStarter_thenOneAssertion() {
assertThat(waitress.serveStarter("mixed salad")).isEqualTo("Serving a mixed salad");
}
@Test
public void givenWaitressInstance_whenCalledserveMainCourse_thenOneAssertion() {
assertThat(waitress.serveMainCourse("steak")).isEqualTo("Serving a steak");
}
@Test
public void givenWaitressInstance_whenCalledserveDessert_thenOneAssertion() {
assertThat(waitress.serveDessert("cup of coffee")).isEqualTo("Serving a cup of coffee");
}
}

39
core-kotlin/src/main/kotlin/com/baeldung/filesystem/FileReader.kt Normal file
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@ -0,0 +1,39 @@
package com.baeldung.filesystem
import java.io.BufferedReader
import java.io.File
import java.io.InputStream
class FileReader {
fun readFileLineByLineUsingForEachLine(fileName: String): List<String> {
val lineList = mutableListOf<String>()
File(fileName).forEachLine { line -> lineList.add(line) }
return lineList
}
fun readFileAsLinesUsingUseLines(fileName: String): List<String> {
val lineList = mutableListOf<String>()
File(fileName).useLines { lines -> lineList.addAll(lines) }
return lineList
}
fun readFileAsLinesUsingBufferedReader(fileName: String): List<String> {
val bufferedReader: BufferedReader = File(fileName).bufferedReader()
return bufferedReader.readLines()
}
fun readFileAsLinesUsingReadLines(fileName: String): List<String> {
return File(fileName).readLines()
}
fun readFileAsTextUsingInputStream(fileName: String): String {
val inputStream: InputStream = File(fileName).inputStream()
return inputStream.readBytes().toString(Charsets.UTF_8)
}
fun readFileDirectlyAsText(fileName: String): String {
return File(fileName).readText(Charsets.UTF_8)
}
}

53
core-kotlin/src/test/kotlin/com/baeldung/filesystem/FileReaderTest.kt Normal file
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@ -0,0 +1,53 @@
package com.baeldung.filesystem
import org.junit.jupiter.api.Test
import kotlin.test.assertTrue
internal class FileReaderTest {
private val fileName = "src/test/resources/Kotlin.in"
private val fileReader = FileReader()
@Test
fun whenReadFileLineByLineUsingForEachLine_thenCorrect() {
val lines = fileReader.readFileLineByLineUsingForEachLine(fileName)
assertTrue { lines.contains("Hello to Kotlin. Its:") }
}
@Test
fun whenReadFileAsLinesUsingUseLines_thenCorrect() {
val lines = fileReader.readFileAsLinesUsingUseLines(fileName)
assertTrue { lines.contains("1. Concise") }
}
@Test
fun whenReadFileAsLinesUsingBufferedReader_thenCorrect() {
val lines = fileReader.readFileAsLinesUsingBufferedReader(fileName)
assertTrue { lines.contains("2. Safe") }
}
@Test
fun whenReadFileAsLinesUsingReadLines_thenCorrect() {
val lines = fileReader.readFileAsLinesUsingReadLines(fileName)
assertTrue { lines.contains("3. Interoperable") }
}
@Test
fun whenReadFileAsTextUsingInputStream_thenCorrect() {
val text = fileReader.readFileAsTextUsingInputStream(fileName)
assertTrue { text.contains("4. Tool-friendly") }
}
@Test
fun whenReadDirectlyAsText_thenCorrect() {
val text = fileReader.readFileDirectlyAsText(fileName)
assertTrue { text.contains("Hello to Kotlin") }
}
}

15
core-kotlin/src/test/kotlin/com/baeldung/kotlin/objects/Counter.kt Normal file
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@ -0,0 +1,15 @@
package com.baeldung.kotlin.objects
object Counter {
private var count: Int = 0
fun currentCount() = count
fun increment() {
++count
}
fun decrement() {
--count
}
}

36
core-kotlin/src/test/kotlin/com/baeldung/kotlin/objects/ObjectsTest.kt Normal file
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@ -0,0 +1,36 @@
package com.baeldung.kotlin.objects
import org.junit.Assert
import org.junit.Test
class ObjectsTest {
@Test
fun singleton() {
Assert.assertEquals(42, SimpleSingleton.answer)
Assert.assertEquals("Hello, world!", SimpleSingleton.greet("world"))
}
@Test
fun counter() {
Assert.assertEquals(0, Counter.currentCount())
Counter.increment()
Assert.assertEquals(1, Counter.currentCount())
Counter.decrement()
Assert.assertEquals(0, Counter.currentCount())
}
@Test
fun comparator() {
val strings = listOf("Hello", "World")
val sortedStrings = strings.sortedWith(ReverseStringComparator)
Assert.assertEquals(listOf("World", "Hello"), sortedStrings)
}
@Test
fun companion() {
Assert.assertEquals("You can see me", OuterClass.public)
// Assert.assertEquals("You can't see me", OuterClass.secret) // Cannot access 'secret'
}
}

10
core-kotlin/src/test/kotlin/com/baeldung/kotlin/objects/OuterClass.kt Normal file
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@ -0,0 +1,10 @@
package com.baeldung.kotlin.objects
class OuterClass {
companion object {
private val secret = "You can't see me"
val public = "You can see me"
}
fun getSecretValue() = secret
}

5
core-kotlin/src/test/kotlin/com/baeldung/kotlin/objects/ReverseStringComparator.kt Normal file
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@ -0,0 +1,5 @@
package com.baeldung.kotlin.objects
object ReverseStringComparator : Comparator<String> {
override fun compare(o1: String, o2: String) = o1.reversed().compareTo(o2.reversed())
}

7
core-kotlin/src/test/kotlin/com/baeldung/kotlin/objects/SimpleSingleton.kt Normal file
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@ -0,0 +1,7 @@
package com.baeldung.kotlin.objects
object SimpleSingleton {
val answer = 42;
fun greet(name: String) = "Hello, $name!"
}

8
core-kotlin/src/test/kotlin/com/baeldung/kotlin/objects/StaticClass.kt Normal file
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@ -0,0 +1,8 @@
package com.baeldung.kotlin.objects
class StaticClass {
companion object {
@JvmStatic
val staticField = 42
}
}

5
core-kotlin/src/test/resources/Kotlin.in Normal file
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@ -0,0 +1,5 @@
Hello to Kotlin. Its:
1. Concise
2. Safe
3. Interoperable
4. Tool-friendly

1
data-structures/.gitignore vendored Normal file
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@ -0,0 +1 @@
/target/

4
data-structures/README.md Normal file
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@ -0,0 +1,4 @@
## Relevant articles:
- [The Trie Data Structure in Java](http://www.baeldung.com/trie-java)
- [Implementing a Binary Tree in Java](http://www.baeldung.com/java-binary-tree)

24
data-structures/pom.xml Normal file
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@ -0,0 +1,24 @@
<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>
<groupId>com.baeldung</groupId>
<artifactId>data-structures</artifactId>
<version>0.0.1-SNAPSHOT</version>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
</plugin>
</plugins>
</pluginManagement>
</build>
</project>

0
core-java/src/main/java/com/baeldung/tree/BinaryTree.java → data-structures/src/main/java/com/baeldung/tree/BinaryTree.java
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0
core-java/src/main/java/com/baeldung/trie/Trie.java → data-structures/src/main/java/com/baeldung/trie/Trie.java
View File

0
core-java/src/main/java/com/baeldung/trie/TrieNode.java → data-structures/src/main/java/com/baeldung/trie/TrieNode.java
View File

0
core-java/src/test/java/com/baeldung/tree/BinaryTreeTest.java → data-structures/src/test/java/com/baeldung/tree/BinaryTreeTest.java
View File

0
core-java/src/test/java/com/baeldung/trie/TrieTest.java → data-structures/src/test/java/com/baeldung/trie/TrieTest.java
View File

7
ethereumj/pom.xml
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@ -48,6 +48,13 @@
<version>1.5.0-RELEASE</version>
</dependency>
<!-- Web3j -->
<dependency>
<groupId>org.web3j</groupId>
<artifactId>core</artifactId>
<version>3.3.1</version>
</dependency>
<!-- JSTL/JSP -->
<dependency>
<groupId>javax.servlet</groupId>

41
ethereumj/src/main/java/com/baeldung/web3j/Template.java Normal file
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@ -0,0 +1,41 @@
package com.baeldung.web3j;
import com.baeldung.web3j.contracts.Greeting;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.web3j.crypto.Credentials;
import org.web3j.crypto.WalletUtils;
import org.web3j.protocol.Web3j;
import org.web3j.protocol.core.methods.response.TransactionReceipt;
import org.web3j.protocol.http.HttpService;
import org.web3j.tx.Contract;
import org.web3j.tx.ManagedTransaction;
public class Template {
private Logger l = LoggerFactory.getLogger(Template.class);
private void deployContract() throws Exception{
Web3j web3j = Web3j.build(new HttpService("https://rinkeby.infura.io/<your_token>"));
Credentials credentials =
WalletUtils.loadCredentials(
"<password>",
"/path/to/<walletfile>");
Greeting contract = Greeting.deploy(
web3j, credentials,
ManagedTransaction.GAS_PRICE, Contract.GAS_LIMIT,
"Hello blockchain world!").send();
String contractAddress = contract.getContractAddress();
l.debug("Smart contract deployed to address "+ contractAddress);
l.debug("Value stored in remote smart contract: "+ contract.greet().send());
TransactionReceipt transactionReceipt = contract.setGreeting("Well hello again").send();
l.debug("New value stored in remote smart contract: "+ contract.greet().send());
}
}

71
ethereumj/src/main/java/com/baeldung/web3j/contracts/Greeting.java Normal file
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@ -0,0 +1,71 @@
package com.baeldung.web3j.contracts;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.Collections;
import org.web3j.abi.FunctionEncoder;
import org.web3j.abi.TypeReference;
import org.web3j.abi.datatypes.Function;
import org.web3j.abi.datatypes.Type;
import org.web3j.abi.datatypes.Utf8String;
import org.web3j.crypto.Credentials;
import org.web3j.protocol.Web3j;
import org.web3j.protocol.core.RemoteCall;
import org.web3j.protocol.core.methods.response.TransactionReceipt;
import org.web3j.tx.Contract;
import org.web3j.tx.TransactionManager;
/**
* <p>Auto generated code.
* <p><strong>Do not modify!</strong>
* <p>Please use the <a href="https://docs.web3j.io/command_line.html">web3j command line tools</a>,
* or the org.web3j.codegen.SolidityFunctionWrapperGenerator in the
* <a href="https://github.com/web3j/web3j/tree/master/codegen">codegen module</a> to update.
*
* <p>Generated with web3j version 3.3.1.
*/
public class Greeting extends Contract {
private static final String BINARY = "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";
protected Greeting(String contractAddress, Web3j web3j, Credentials credentials, BigInteger gasPrice, BigInteger gasLimit) {
super(BINARY, contractAddress, web3j, credentials, gasPrice, gasLimit);
}
protected Greeting(String contractAddress, Web3j web3j, TransactionManager transactionManager, BigInteger gasPrice, BigInteger gasLimit) {
super(BINARY, contractAddress, web3j, transactionManager, gasPrice, gasLimit);
}
public RemoteCall<TransactionReceipt> setGreeting(String _message) {
final Function function = new Function(
"setGreeting",
Arrays.<Type>asList(new org.web3j.abi.datatypes.Utf8String(_message)),
Collections.<TypeReference<?>>emptyList());
return executeRemoteCallTransaction(function);
}
public RemoteCall<String> greet() {
final Function function = new Function("greet",
Arrays.<Type>asList(),
Arrays.<TypeReference<?>>asList(new TypeReference<Utf8String>() {}));
return executeRemoteCallSingleValueReturn(function, String.class);
}
public static RemoteCall<Greeting> deploy(Web3j web3j, Credentials credentials, BigInteger gasPrice, BigInteger gasLimit, String _message) {
String encodedConstructor = FunctionEncoder.encodeConstructor(Arrays.<Type>asList(new org.web3j.abi.datatypes.Utf8String(_message)));
return deployRemoteCall(Greeting.class, web3j, credentials, gasPrice, gasLimit, BINARY, encodedConstructor);
}
public static RemoteCall<Greeting> deploy(Web3j web3j, TransactionManager transactionManager, BigInteger gasPrice, BigInteger gasLimit, String _message) {
String encodedConstructor = FunctionEncoder.encodeConstructor(Arrays.<Type>asList(new org.web3j.abi.datatypes.Utf8String(_message)));
return deployRemoteCall(Greeting.class, web3j, transactionManager, gasPrice, gasLimit, BINARY, encodedConstructor);
}
public static Greeting load(String contractAddress, Web3j web3j, Credentials credentials, BigInteger gasPrice, BigInteger gasLimit) {
return new Greeting(contractAddress, web3j, credentials, gasPrice, gasLimit);
}
public static Greeting load(String contractAddress, Web3j web3j, TransactionManager transactionManager, BigInteger gasPrice, BigInteger gasLimit) {
return new Greeting(contractAddress, web3j, transactionManager, gasPrice, gasLimit);
}
}

19
ethereumj/src/main/resources/solidity/Greeting.sol Normal file
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@ -0,0 +1,19 @@
pragma solidity ^0.4.0;
contract Greeting {
address creator;
string message;
function Greeting(string _message) {
message = _message;
creator = msg.sender;
}
function greet() constant returns (string) {
return message;
}
function setGreeting(string _message) {
message = _message;
}
}

1
ethereumj/src/main/resources/solidity/build/Greeting.abi Normal file
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@ -0,0 +1 @@
[{"constant":false,"inputs":[{"name":"_message","type":"string"}],"name":"setGreeting","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"greet","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_message","type":"string"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"}]

1
ethereumj/src/main/resources/solidity/build/Greeting.bin Normal file
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@ -0,0 +1 @@
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

2
flips/README.md Normal file
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@ -0,0 +1,2 @@
### Relevant Articles:
- [Guide to Flips For Spring](http://www.baeldung.com/guide-to-flips-for-spring/)

65
flips/pom.xml Normal file
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@ -0,0 +1,65 @@
<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>
<groupId>flips</groupId>
<artifactId>flips</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>flips</name>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>1.5.10.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<version>1.5.9.RELEASE</version>
</dependency>
<dependency>
<groupId>com.github.feature-flip</groupId>
<artifactId>flips-web</artifactId>
<version>1.0.1</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<!-- Check for the most recent available version: https://projectlombok.org/changelog.html -->
<version>1.16.18</version>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>

15
flips/src/main/java/com/baeldung/flips/ApplicationConfig.java Normal file
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@ -0,0 +1,15 @@
package com.baeldung.flips;
import org.flips.describe.config.FlipWebContextConfiguration;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Import;
@SpringBootApplication
@Import(FlipWebContextConfiguration.class)
public class ApplicationConfig {
public static void main(String[] args) {
SpringApplication.run(ApplicationConfig.class, args);
}
}

65
flips/src/main/java/com/baeldung/flips/controller/FlipController.java Normal file
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@ -0,0 +1,65 @@
package com.baeldung.flips.controller;
import com.baeldung.flips.model.Foo;
import com.baeldung.flips.service.FlipService;
import org.flips.annotation.FlipOnDateTime;
import org.flips.annotation.FlipOnDaysOfWeek;
import org.flips.annotation.FlipOnEnvironmentProperty;
import org.flips.annotation.FlipOnProfiles;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import java.time.DayOfWeek;
import java.util.List;
@RestController
public class FlipController {
private FlipService flipService;
@Autowired
public FlipController(FlipService flipService) {
this.flipService = flipService;
}
@RequestMapping(value = "/foos", method = RequestMethod.GET)
@FlipOnProfiles(activeProfiles = "dev")
public List<Foo> getAllFoos() {
return flipService.getAllFoos();
}
@RequestMapping(value = "/foo/{id}", method = RequestMethod.GET)
@FlipOnDaysOfWeek(daysOfWeek = {
DayOfWeek.MONDAY, DayOfWeek.TUESDAY, DayOfWeek.WEDNESDAY, DayOfWeek.THURSDAY,
DayOfWeek.FRIDAY, DayOfWeek.SATURDAY, DayOfWeek.SUNDAY
})
public Foo getFooByNewId(@PathVariable int id) {
return flipService.getFooById(id).orElse(new Foo("Not Found", -1));
}
@RequestMapping(value = "/foo/last", method = RequestMethod.GET)
@FlipOnDateTime(cutoffDateTimeProperty = "last.active.after")
public Foo getLastFoo() {
return flipService.getLastFoo();
}
@RequestMapping(value = "/foo/first", method = RequestMethod.GET)
@FlipOnDateTime(cutoffDateTimeProperty = "first.active.after")
public Foo getFirstFoo() {
return flipService.getLastFoo();
}
@RequestMapping(value = "/foos/{id}", method = RequestMethod.GET)
@FlipOnEnvironmentProperty(property = "feature.foo.by.id", expectedValue = "Y")
public Foo getFooById(@PathVariable int id) {
return flipService.getFooById(id).orElse(new Foo("Not Found", -1));
}
@RequestMapping(value = "/foo/new", method = RequestMethod.GET)
public Foo getNewThing() {
return flipService.getNewFoo();
}
}

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flips/src/main/java/com/baeldung/flips/model/Foo.java Normal file
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package com.baeldung.flips.model;
import lombok.Data;
import lombok.RequiredArgsConstructor;
@Data
@RequiredArgsConstructor
public class Foo {
private final String name;
private final int id;
}

50
flips/src/main/java/com/baeldung/flips/service/FlipService.java Normal file
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package com.baeldung.flips.service;
import com.baeldung.flips.model.Foo;
import org.flips.annotation.FlipBean;
import org.flips.annotation.FlipOnSpringExpression;
import org.springframework.stereotype.Service;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
@Service
public class FlipService {
private final List<Foo> foos;
public FlipService() {
foos = new ArrayList<>();
foos.add(new Foo("Foo1", 1));
foos.add(new Foo("Foo2", 2));
foos.add(new Foo("Foo3", 3));
foos.add(new Foo("Foo4", 4));
foos.add(new Foo("Foo5", 5));
foos.add(new Foo("Foo6", 6));
}
public List<Foo> getAllFoos() {
return foos;
}
public Optional<Foo> getFooById(int id) {
return foos.stream().filter(foo -> (foo.getId() == id)).findFirst();
}
@FlipBean(with = NewFlipService.class)
@FlipOnSpringExpression(expression = "(2 + 2) == 4")
public Foo getNewFoo() {
return new Foo("New Foo!", 99);
}
public Foo getLastFoo() {
return foos.get(foos.size() - 1);
}
public Foo getFirstFoo() {
return foos.get(0);
}
}

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flips/src/main/java/com/baeldung/flips/service/NewFlipService.java Normal file
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package com.baeldung.flips.service;
import com.baeldung.flips.model.Foo;
import org.springframework.stereotype.Service;
@Service
public class NewFlipService {
public Foo getNewFoo() {
return new Foo("Shiny New Foo!", 100);
}
}

5
flips/src/main/resources/application.properties Normal file
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feature.foo.by.id=Y
feature.new.foo=Y
last.active.after=2018-03-14T00:00:00Z
first.active.after=2999-03-15T00:00:00Z
logging.level.org.flips=info

74
flips/src/test/java/com/baeldung/flips/controller/FlipControllerTest.java Normal file
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package com.baeldung.flips.controller;
import org.hamcrest.Matchers;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.ActiveProfiles;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
@RunWith(SpringRunner.class)
@SpringBootTest(properties = {
"feature.foo.by.id=Y",
"feature.new.foo=Y",
"last.active.after=2018-03-14T00:00:00Z",
"first.active.after=2999-03-15T00:00:00Z",
"logging.level.org.flips=info"
})
@AutoConfigureMockMvc
@ActiveProfiles("dev")
public class FlipControllerTest {
@Autowired private MockMvc mvc;
@Test
public void givenValidDayOfWeek_APIAvailable() throws Exception {
mvc.perform(MockMvcRequestBuilders.get("/foo/1"))
.andExpect(MockMvcResultMatchers.status().is(200))
.andExpect(MockMvcResultMatchers.jsonPath("$.name", Matchers.equalTo("Foo1")))
.andExpect(MockMvcResultMatchers.jsonPath("$.id", Matchers.equalTo(1)));
}
@Test
public void givenValidDate_APIAvailable() throws Exception {
mvc.perform(MockMvcRequestBuilders.get("/foo/last"))
.andExpect(MockMvcResultMatchers.status().is(200))
.andExpect(MockMvcResultMatchers.jsonPath("$.name", Matchers.equalTo("Foo6")))
.andExpect(MockMvcResultMatchers.jsonPath("$.id", Matchers.equalTo(6)));
}
@Test
public void givenInvalidDate_APINotAvailable() throws Exception {
mvc.perform(MockMvcRequestBuilders.get("/foo/first"))
.andExpect(MockMvcResultMatchers.status().is(501));
}
@Test
public void givenCorrectProfile_APIAvailable() throws Exception {
mvc.perform(MockMvcRequestBuilders.get("/foos"))
.andExpect(MockMvcResultMatchers.status().isOk())
.andExpect(MockMvcResultMatchers.jsonPath("$", Matchers.hasSize(6)));
}
@Test
public void givenPropertySet_APIAvailable() throws Exception {
mvc.perform(MockMvcRequestBuilders.get("/foos/1"))
.andExpect(MockMvcResultMatchers.status().isOk())
.andExpect(MockMvcResultMatchers.jsonPath("$.name", Matchers.equalTo("Foo1")))
.andExpect(MockMvcResultMatchers.jsonPath("$.id", Matchers.equalTo(1)));
}
@Test
public void getValidExpression_FlipBean() throws Exception {
mvc.perform(MockMvcRequestBuilders.get("/foo/new"))
.andExpect(MockMvcResultMatchers.status().is(200))
.andExpect(MockMvcResultMatchers.jsonPath("$.name", Matchers.equalTo("Shiny New Foo!")))
.andExpect(MockMvcResultMatchers.jsonPath("$.id", Matchers.equalTo(100)));
}
}

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grails/.gitignore vendored Normal file
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Thumbs.db
.DS_Store
.gradle
build/
out/
.idea
*.iml
*.ipr
*.iws
.project
.settings
.classpath

3
grails/README.md Normal file
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### Relevant articles
- [Build an MVC Web Application with Grails](http://www.baeldung.com/grails-mvc-application)

80
grails/build.gradle Normal file
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buildscript {
repositories {
mavenLocal()
maven { url "https://repo.grails.org/grails/core" }
}
dependencies {
classpath "org.grails:grails-gradle-plugin:$grailsVersion"
classpath "org.grails.plugins:hibernate5:${gormVersion-".RELEASE"}"
classpath "com.bertramlabs.plugins:asset-pipeline-gradle:2.14.8"
}
}
version "0.1"
group "grails"
apply plugin:"eclipse"
apply plugin:"idea"
apply plugin:"war"
apply plugin:"org.grails.grails-web"
apply plugin:"asset-pipeline"
apply plugin:"org.grails.grails-gsp"
repositories {
mavenLocal()
maven { url "https://repo.grails.org/grails/core" }
}
dependencies {
compile "org.springframework.boot:spring-boot-starter-logging"
compile "org.springframework.boot:spring-boot-autoconfigure"
compile "org.grails:grails-core"
compile "org.springframework.boot:spring-boot-starter-actuator"
compile "org.springframework.boot:spring-boot-starter-tomcat"
compile "org.grails:grails-web-boot"
compile "org.grails:grails-logging"
compile "org.grails:grails-plugin-rest"
compile "org.grails:grails-plugin-databinding"
compile "org.grails:grails-plugin-i18n"
compile "org.grails:grails-plugin-services"
compile "org.grails:grails-plugin-url-mappings"
compile "org.grails:grails-plugin-interceptors"
compile "org.grails.plugins:cache"
compile "org.grails.plugins:async"
compile "org.grails.plugins:scaffolding"
compile "org.grails.plugins:events"
compile "org.grails.plugins:hibernate5"
compile "org.hibernate:hibernate-core:5.1.5.Final"
compile "org.grails.plugins:gsp"
console "org.grails:grails-console"
profile "org.grails.profiles:web"
runtime "org.glassfish.web:el-impl:2.1.2-b03"
runtime "com.h2database:h2"
runtime "org.apache.tomcat:tomcat-jdbc"
runtime "com.bertramlabs.plugins:asset-pipeline-grails:2.14.8"
testCompile "org.grails:grails-gorm-testing-support"
testCompile "org.grails:grails-web-testing-support"
testCompile "org.grails.plugins:geb:1.1.2"
testRuntime "org.seleniumhq.selenium:selenium-chrome-driver:2.47.1"
testRuntime "org.seleniumhq.selenium:selenium-htmlunit-driver:2.47.1"
testRuntime "net.sourceforge.htmlunit:htmlunit:2.18"
}
bootRun {
jvmArgs('-Dspring.output.ansi.enabled=always')
addResources = true
String springProfilesActive = 'spring.profiles.active'
systemProperty springProfilesActive, System.getProperty(springProfilesActive)
}
tasks.withType(Test) {
systemProperty "geb.env", System.getProperty('geb.env')
systemProperty "geb.build.reportsDir", reporting.file("geb/integrationTest")
systemProperty "webdriver.chrome.driver", System.getProperty('webdriver.chrome.driver')
systemProperty "webdriver.gecko.driver", System.getProperty('webdriver.gecko.driver')
}
assets {
minifyJs = true
minifyCss = true
}

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