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Merge pull request #2 from eugenp/master 

Merge
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Krzysztof Majewski 2019-04-18 10:01:18 +02:00 committed by GitHub
parent 1403edcc55 275a4acaea
commit ce418d10ca
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90 changed files with 1600 additions and 311 deletions
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165
core-java-io/src/test/java/com/baeldung/filechannel/FileChannelUnitTest.java Normal file
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package com.baeldung.filechannel;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
import java.nio.channels.FileLock;
import java.nio.charset.StandardCharsets;
import org.junit.Test;
public class FileChannelUnitTest {
@Test
public void givenFile_whenReadWithFileChannelUsingRandomAccessFile_thenCorrect() throws IOException {
try (RandomAccessFile reader = new RandomAccessFile("src/test/resources/test_read.in", "r");
FileChannel channel = reader.getChannel();
ByteArrayOutputStream out = new ByteArrayOutputStream();) {
int bufferSize = 1024;
if (bufferSize > channel.size()) {
bufferSize = (int) channel.size();
}
ByteBuffer buff = ByteBuffer.allocate(bufferSize);
while (channel.read(buff) > 0) {
out.write(buff.array(), 0, buff.position());
buff.clear();
}
String fileContent = new String(out.toByteArray(), StandardCharsets.UTF_8);
assertEquals("Hello world", fileContent);
}
}
@Test
public void givenFile_whenReadWithFileChannelUsingFileInputStream_thenCorrect() throws IOException {
try (ByteArrayOutputStream out = new ByteArrayOutputStream();
FileInputStream fin = new FileInputStream("src/test/resources/test_read.in");
FileChannel channel = fin.getChannel();) {
int bufferSize = 1024;
if (bufferSize > channel.size()) {
bufferSize = (int) channel.size();
}
ByteBuffer buff = ByteBuffer.allocate(bufferSize);
while (channel.read(buff) > 0) {
out.write(buff.array(), 0, buff.position());
buff.clear();
}
String fileContent = new String(out.toByteArray(), StandardCharsets.UTF_8);
assertEquals("Hello world", fileContent);
}
}
@Test
public void givenFile_whenReadAFileSectionIntoMemoryWithFileChannel_thenCorrect() throws IOException {
try (RandomAccessFile reader = new RandomAccessFile("src/test/resources/test_read.in", "r");
FileChannel channel = reader.getChannel();
ByteArrayOutputStream out = new ByteArrayOutputStream();) {
MappedByteBuffer buff = channel.map(FileChannel.MapMode.READ_ONLY, 6, 5);
if (buff.hasRemaining()) {
byte[] data = new byte[buff.remaining()];
buff.get(data);
assertEquals("world", new String(data, StandardCharsets.UTF_8));
}
}
}
@Test
public void whenWriteWithFileChannelUsingRandomAccessFile_thenCorrect() throws IOException {
String file = "src/test/resources/test_write_using_filechannel.txt";
try (RandomAccessFile writer = new RandomAccessFile(file, "rw");
FileChannel channel = writer.getChannel();) {
ByteBuffer buff = ByteBuffer.wrap("Hello world".getBytes(StandardCharsets.UTF_8));
channel.write(buff);
// now we verify whether the file was written correctly
RandomAccessFile reader = new RandomAccessFile(file, "r");
assertEquals("Hello world", reader.readLine());
reader.close();
}
}
@Test
public void givenFile_whenWriteAFileUsingLockAFileSectionWithFileChannel_thenCorrect() throws IOException {
try (RandomAccessFile reader = new RandomAccessFile("src/test/resources/test_read.in", "rw");
FileChannel channel = reader.getChannel();
FileLock fileLock = channel.tryLock(6, 5, Boolean.FALSE);) {
assertNotNull(fileLock);
}
}
@Test
public void givenFile_whenReadWithFileChannelGetPosition_thenCorrect() throws IOException {
try (ByteArrayOutputStream out = new ByteArrayOutputStream();
RandomAccessFile reader = new RandomAccessFile("src/test/resources/test_read.in", "r");
FileChannel channel = reader.getChannel();) {
int bufferSize = 1024;
if (bufferSize > channel.size()) {
bufferSize = (int) channel.size();
}
ByteBuffer buff = ByteBuffer.allocate(bufferSize);
while (channel.read(buff) > 0) {
out.write(buff.array(), 0, buff.position());
buff.clear();
}
// the original file is 11 bytes long, so that's where the position pointer should be
assertEquals(11, channel.position());
channel.position(4);
assertEquals(4, channel.position());
}
}
@Test
public void whenGetFileSize_thenCorrect() throws IOException {
try (RandomAccessFile reader = new RandomAccessFile("src/test/resources/test_read.in", "r");
FileChannel channel = reader.getChannel();) {
// the original file is 11 bytes long, so that's where the position pointer should be
assertEquals(11, channel.size());
}
}
@Test
public void whenTruncateFile_thenCorrect() throws IOException {
String input = "this is a test input";
FileOutputStream fout = new FileOutputStream("src/test/resources/test_truncate.txt");
FileChannel channel = fout.getChannel();
ByteBuffer buff = ByteBuffer.wrap(input.getBytes());
channel.write(buff);
buff.flip();
channel = channel.truncate(5);
assertEquals(5, channel.size());
fout.close();
channel.close();
}
}

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core-java-io/src/test/resources/test_truncate.txt Normal file
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this

1
core-java-io/src/test/resources/test_write_using_filechannel.txt Normal file
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Hello world

13
guava-collections-set/.gitignore vendored Normal file
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*.class
#folders#
/target
/neoDb*
/data
/src/main/webapp/WEB-INF/classes
*/META-INF/*
# Packaged files #
*.jar
*.war
*.ear

37
guava-collections-set/pom.xml Normal file
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<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>guava-collections-set</artifactId>
<version>0.1.0-SNAPSHOT</version>
<name>guava-collections-set</name>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../parent-java</relativePath>
</parent>
<dependencies>
<!-- test scoped -->
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>guava-collections-set</finalName>
</build>
<properties>
<!-- util -->
<guava.version>27.1-jre</guava.version>
<!-- testing -->
<assertj.version>3.6.1</assertj.version>
</properties>
</project>

92
guava-collections-set/src/test/java/org/baeldung/guava/GuavaMultiSetUnitTest.java Normal file
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package org.baeldung.guava;
import com.google.common.collect.HashMultiset;
import com.google.common.collect.Multiset;
import org.junit.Test;
import java.util.HashMap;
import java.util.Map;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
public class GuavaMultiSetUnitTest {
@Test
public void givenMultiSet_whenAddingValues_shouldReturnCorrectCount() {
Multiset<String> bookStore = HashMultiset.create();
bookStore.add("Potter");
bookStore.add("Potter");
bookStore.add("Potter");
assertThat(bookStore.contains("Potter")).isTrue();
assertThat(bookStore.count("Potter")).isEqualTo(3);
}
@Test
public void givenMultiSet_whenRemovingValues_shouldReturnCorrectCount() {
Multiset<String> bookStore = HashMultiset.create();
bookStore.add("Potter");
bookStore.add("Potter");
bookStore.remove("Potter");
assertThat(bookStore.contains("Potter")).isTrue();
assertThat(bookStore.count("Potter")).isEqualTo(1);
}
@Test
public void givenMultiSet_whenSetCount_shouldReturnCorrectCount() {
Multiset<String> bookStore = HashMultiset.create();
bookStore.setCount("Potter", 50);
assertThat(bookStore.count("Potter")).isEqualTo(50);
}
@Test
public void givenMultiSet_whenSettingNegativeCount_shouldThrowException() {
Multiset<String> bookStore = HashMultiset.create();
assertThatThrownBy(() -> bookStore.setCount("Potter", -1))
.isInstanceOf(IllegalArgumentException.class);
}
@Test
public void givenMultiSet_whenSettingCountWithEmptySet_shouldBeSuccessful() {
Multiset<String> bookStore = HashMultiset.create();
assertThat(bookStore.setCount("Potter", 0, 2)).isTrue();
}
@Test
public void givenMultiSet_whenSettingCountWithCorrectValue_shouldBeSuccessful() {
Multiset<String> bookStore = HashMultiset.create();
bookStore.add("Potter");
bookStore.add("Potter");
assertThat(bookStore.setCount("Potter", 2, 52)).isTrue();
}
@Test
public void givenMultiSet_whenSettingCountWithIncorrectValue_shouldFail() {
Multiset<String> bookStore = HashMultiset.create();
bookStore.add("Potter");
bookStore.add("Potter");
assertThat(bookStore.setCount("Potter", 5, 52)).isFalse();
}
@Test
public void givenMap_compareMultiSetOperations() {
Map<String, Integer> bookStore = new HashMap<>();
bookStore.put("Potter", 3);
assertThat(bookStore.containsKey("Potter")).isTrue();
assertThat(bookStore.get("Potter")).isEqualTo(3);
bookStore.put("Potter", 2);
assertThat(bookStore.get("Potter")).isEqualTo(2);
bookStore.put("Potter", null);
assertThat(bookStore.containsKey("Potter")).isTrue();
bookStore.put("Potter", -1);
assertThat(bookStore.containsKey("Potter")).isTrue();
}
}

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jackson-simple/.gitignore vendored Normal file
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*.class
#folders#
/target
/neoDb*
/data
/src/main/webapp/WEB-INF/classes
*/META-INF/*
# Packaged files #
*.jar
*.war
*.ear

13
jackson-simple/README.md Normal file
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=========
### Jackson Articles that are also part of the e-book
###The Course
The "REST With Spring" Classes: http://bit.ly/restwithspring
### Relevant Articles:
- [Jackson Ignore Properties on Marshalling](http://www.baeldung.com/jackson-ignore-properties-on-serialization)
- [Jackson Unmarshalling json with Unknown Properties](http://www.baeldung.com/jackson-deserialize-json-unknown-properties)
- [Jackson Annotation Examples](http://www.baeldung.com/jackson-annotations)
- [Intro to the Jackson ObjectMapper](http://www.baeldung.com/jackson-object-mapper-tutorial)
- [Ignore Null Fields with Jackson](http://www.baeldung.com/jackson-ignore-null-fields)
- [Jackson – Change Name of Field](http://www.baeldung.com/jackson-name-of-property)

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jackson-simple/pom.xml Normal file
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>jackson-simple</artifactId>
<version>0.1-SNAPSHOT</version>
<name>jackson-simple</name>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../parent-java</relativePath>
</parent>
<dependencies>
<!-- utils -->
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>${commons-io.version}</version>
</dependency>
<!--jackson for xml -->
<dependency>
<groupId>com.fasterxml.jackson.dataformat</groupId>
<artifactId>jackson-dataformat-xml</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-collections4</artifactId>
<version>${commons-collections4.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<!-- marshalling -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.datatype</groupId>
<artifactId>jackson-datatype-jsr310</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.datatype</groupId>
<artifactId>jackson-datatype-joda</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.module</groupId>
<artifactId>jackson-module-jsonSchema</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.datatype</groupId>
<artifactId>jackson-datatype-jdk8</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
<version>${joda-time.version}</version>
</dependency>
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>${gson.version}</version>
</dependency>
<!-- test scoped -->
<dependency>
<groupId>io.rest-assured</groupId>
<artifactId>json-schema-validator</artifactId>
<version>${rest-assured.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.rest-assured</groupId>
<artifactId>json-path</artifactId>
<version>${rest-assured.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>jackson-simple</finalName>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
</build>
<properties>
<!-- util -->
<commons-lang3.version>3.8</commons-lang3.version>
<joda-time.version>2.10</joda-time.version>
<gson.version>2.8.5</gson.version>
<commons-collections4.version>4.2</commons-collections4.version>
<!-- testing -->
<rest-assured.version>3.1.1</rest-assured.version>
<assertj.version>3.11.0</assertj.version>
</properties>
</project>

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jackson-simple/src/main/resources/logback.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</pattern>
</encoder>
</appender>
<logger name="org.springframework" level="WARN" />
<logger name="org.springframework.transaction" level="WARN" />
<!-- in order to debug some marshalling issues, this needs to be TRACE -->
<logger name="org.springframework.web.servlet.mvc" level="WARN" />
<root level="INFO">
<appender-ref ref="STDOUT" />
</root>
</configuration>

0
jackson/src/test/java/com/baeldung/jackson/annotation/AliasBean.java → jackson-simple/src/test/java/com/baeldung/jackson/annotation/AliasBean.java
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0
jackson/src/test/java/com/baeldung/jackson/annotation/BeanWithCreator.java → jackson-simple/src/test/java/com/baeldung/jackson/annotation/BeanWithCreator.java
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0
jackson/src/test/java/com/baeldung/jackson/annotation/BeanWithCustomAnnotation.java → jackson-simple/src/test/java/com/baeldung/jackson/annotation/BeanWithCustomAnnotation.java
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jackson/src/test/java/com/baeldung/jackson/annotation/BeanWithFilter.java → jackson-simple/src/test/java/com/baeldung/jackson/annotation/BeanWithFilter.java
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jackson/src/test/java/com/baeldung/jackson/annotation/BeanWithGetter.java → jackson-simple/src/test/java/com/baeldung/jackson/annotation/BeanWithGetter.java
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0
jackson/src/test/java/com/baeldung/jackson/annotation/BeanWithIgnore.java → jackson-simple/src/test/java/com/baeldung/jackson/annotation/BeanWithIgnore.java
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jackson/src/test/java/com/baeldung/jackson/annotation/BeanWithInject.java → jackson-simple/src/test/java/com/baeldung/jackson/annotation/BeanWithInject.java
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jackson/src/test/java/com/baeldung/jackson/annotation/ExtendableBean.java → jackson-simple/src/test/java/com/baeldung/jackson/annotation/ExtendableBean.java
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0
jackson/src/test/java/com/baeldung/jackson/annotation/MyBean.java → jackson-simple/src/test/java/com/baeldung/jackson/annotation/MyBean.java
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0
jackson/src/test/java/com/baeldung/jackson/annotation/PrivateBean.java → jackson-simple/src/test/java/com/baeldung/jackson/annotation/PrivateBean.java
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0
jackson/src/test/java/com/baeldung/jackson/annotation/RawBean.java → jackson-simple/src/test/java/com/baeldung/jackson/annotation/RawBean.java
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0
jackson/src/test/java/com/baeldung/jackson/annotation/UnwrappedUser.java → jackson-simple/src/test/java/com/baeldung/jackson/annotation/UnwrappedUser.java
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0
jackson/src/test/java/com/baeldung/jackson/annotation/UserWithIgnoreType.java → jackson-simple/src/test/java/com/baeldung/jackson/annotation/UserWithIgnoreType.java
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0
jackson/src/test/java/com/baeldung/jackson/annotation/Zoo.java → jackson-simple/src/test/java/com/baeldung/jackson/annotation/Zoo.java
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jackson-simple/src/test/java/com/baeldung/jackson/bidirection/ItemWithIdentity.java Normal file
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package com.baeldung.jackson.bidirection;
import com.fasterxml.jackson.annotation.JsonIdentityInfo;
import com.fasterxml.jackson.annotation.ObjectIdGenerators;
@JsonIdentityInfo(generator = ObjectIdGenerators.PropertyGenerator.class, property = "id")
public class ItemWithIdentity {
public int id;
public String itemName;
public UserWithIdentity owner;
public ItemWithIdentity() {
super();
}
public ItemWithIdentity(final int id, final String itemName, final UserWithIdentity owner) {
this.id = id;
this.itemName = itemName;
this.owner = owner;
}
}

17
jackson-simple/src/test/java/com/baeldung/jackson/bidirection/ItemWithIgnore.java Normal file
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package com.baeldung.jackson.bidirection;
public class ItemWithIgnore {
public int id;
public String itemName;
public UserWithIgnore owner;
public ItemWithIgnore() {
super();
}
public ItemWithIgnore(final int id, final String itemName, final UserWithIgnore owner) {
this.id = id;
this.itemName = itemName;
this.owner = owner;
}
}

21
jackson-simple/src/test/java/com/baeldung/jackson/bidirection/ItemWithRef.java Normal file
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package com.baeldung.jackson.bidirection;
import com.fasterxml.jackson.annotation.JsonManagedReference;
public class ItemWithRef {
public int id;
public String itemName;
@JsonManagedReference
public UserWithRef owner;
public ItemWithRef() {
super();
}
public ItemWithRef(final int id, final String itemName, final UserWithRef owner) {
this.id = id;
this.itemName = itemName;
this.owner = owner;
}
}

28
jackson-simple/src/test/java/com/baeldung/jackson/bidirection/UserWithIdentity.java Normal file
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package com.baeldung.jackson.bidirection;
import java.util.ArrayList;
import java.util.List;
import com.fasterxml.jackson.annotation.JsonIdentityInfo;
import com.fasterxml.jackson.annotation.ObjectIdGenerators;
@JsonIdentityInfo(generator = ObjectIdGenerators.PropertyGenerator.class, property = "id")
public class UserWithIdentity {
public int id;
public String name;
public List<ItemWithIdentity> userItems;
public UserWithIdentity() {
super();
}
public UserWithIdentity(final int id, final String name) {
this.id = id;
this.name = name;
userItems = new ArrayList<ItemWithIdentity>();
}
public void addItem(final ItemWithIdentity item) {
userItems.add(item);
}
}

28
jackson-simple/src/test/java/com/baeldung/jackson/bidirection/UserWithIgnore.java Normal file
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package com.baeldung.jackson.bidirection;
import java.util.ArrayList;
import java.util.List;
import com.fasterxml.jackson.annotation.JsonIgnore;
public class UserWithIgnore {
public int id;
public String name;
@JsonIgnore
public List<ItemWithIgnore> userItems;
public UserWithIgnore() {
super();
}
public UserWithIgnore(final int id, final String name) {
this.id = id;
this.name = name;
userItems = new ArrayList<ItemWithIgnore>();
}
public void addItem(final ItemWithIgnore item) {
userItems.add(item);
}
}

28
jackson-simple/src/test/java/com/baeldung/jackson/bidirection/UserWithRef.java Normal file
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package com.baeldung.jackson.bidirection;
import java.util.ArrayList;
import java.util.List;
import com.fasterxml.jackson.annotation.JsonBackReference;
public class UserWithRef {
public int id;
public String name;
@JsonBackReference
public List<ItemWithRef> userItems;
public UserWithRef() {
super();
}
public UserWithRef(final int id, final String name) {
this.id = id;
this.name = name;
userItems = new ArrayList<ItemWithRef>();
}
public void addItem(final ItemWithRef item) {
userItems.add(item);
}
}

36
jackson-simple/src/test/java/com/baeldung/jackson/date/CustomDateDeserializer.java Normal file
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package com.baeldung.jackson.date;
import java.io.IOException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
public class CustomDateDeserializer extends StdDeserializer<Date> {
private static final long serialVersionUID = -5451717385630622729L;
private SimpleDateFormat formatter = new SimpleDateFormat("dd-MM-yyyy hh:mm:ss");
public CustomDateDeserializer() {
this(null);
}
public CustomDateDeserializer(final Class<?> vc) {
super(vc);
}
@Override
public Date deserialize(final JsonParser jsonparser, final DeserializationContext context) throws IOException, JsonProcessingException {
final String date = jsonparser.getText();
try {
return formatter.parse(date);
} catch (final ParseException e) {
throw new RuntimeException(e);
}
}
}

29
jackson-simple/src/test/java/com/baeldung/jackson/date/CustomDateSerializer.java Normal file
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package com.baeldung.jackson.date;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.std.StdSerializer;
public class CustomDateSerializer extends StdSerializer<Date> {
private static final long serialVersionUID = -2894356342227378312L;
private SimpleDateFormat formatter = new SimpleDateFormat("dd-MM-yyyy hh:mm:ss");
public CustomDateSerializer() {
this(null);
}
public CustomDateSerializer(final Class<Date> t) {
super(t);
}
@Override
public void serialize(final Date value, final JsonGenerator gen, final SerializerProvider arg2) throws IOException, JsonProcessingException {
gen.writeString(formatter.format(value));
}
}

29
jackson-simple/src/test/java/com/baeldung/jackson/date/EventWithFormat.java Normal file
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package com.baeldung.jackson.date;
import java.util.Date;
import com.fasterxml.jackson.annotation.JsonFormat;
public class EventWithFormat {
public String name;
@JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "dd-MM-yyyy hh:mm:ss")
public Date eventDate;
public EventWithFormat() {
super();
}
public EventWithFormat(final String name, final Date eventDate) {
this.name = name;
this.eventDate = eventDate;
}
public Date getEventDate() {
return eventDate;
}
public String getName() {
return name;
}
}

31
jackson-simple/src/test/java/com/baeldung/jackson/date/EventWithSerializer.java Normal file
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@ -0,0 +1,31 @@
package com.baeldung.jackson.date;
import java.util.Date;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
public class EventWithSerializer {
public String name;
@JsonDeserialize(using = CustomDateDeserializer.class)
@JsonSerialize(using = CustomDateSerializer.class)
public Date eventDate;
public EventWithSerializer() {
super();
}
public EventWithSerializer(final String name, final Date eventDate) {
this.name = name;
this.eventDate = eventDate;
}
public Date getEventDate() {
return eventDate;
}
public String getName() {
return name;
}
}

41
jackson-simple/src/test/java/com/baeldung/jackson/deserialization/ItemDeserializerOnClass.java Normal file
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@ -0,0 +1,41 @@
package com.baeldung.jackson.deserialization;
import java.io.IOException;
import com.baeldung.jackson.dtos.ItemWithSerializer;
import com.baeldung.jackson.dtos.User;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
import com.fasterxml.jackson.databind.node.IntNode;
public class ItemDeserializerOnClass extends StdDeserializer<ItemWithSerializer> {
private static final long serialVersionUID = 5579141241817332594L;
public ItemDeserializerOnClass() {
this(null);
}
public ItemDeserializerOnClass(final Class<?> vc) {
super(vc);
}
/**
* {"id":1,"itemNr":"theItem","owner":2}
*/
@Override
public ItemWithSerializer deserialize(final JsonParser jp, final DeserializationContext ctxt) throws IOException, JsonProcessingException {
final JsonNode node = jp.getCodec()
.readTree(jp);
final int id = (Integer) ((IntNode) node.get("id")).numberValue();
final String itemName = node.get("itemName")
.asText();
final int userId = (Integer) ((IntNode) node.get("owner")).numberValue();
return new ItemWithSerializer(id, itemName, new User(userId, null));
}
}

32
jackson-simple/src/test/java/com/baeldung/jackson/dtos/Item.java Normal file
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@ -0,0 +1,32 @@
package com.baeldung.jackson.dtos;
public class Item {
public int id;
public String itemName;
public User owner;
public Item() {
super();
}
public Item(final int id, final String itemName, final User owner) {
this.id = id;
this.itemName = itemName;
this.owner = owner;
}
// API
public int getId() {
return id;
}
public String getItemName() {
return itemName;
}
public User getOwner() {
return owner;
}
}

36
jackson-simple/src/test/java/com/baeldung/jackson/dtos/ItemWithSerializer.java Normal file
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@ -0,0 +1,36 @@
package com.baeldung.jackson.dtos;
import com.baeldung.jackson.deserialization.ItemDeserializerOnClass;
import com.baeldung.jackson.serialization.ItemSerializerOnClass;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
@JsonSerialize(using = ItemSerializerOnClass.class)
@JsonDeserialize(using = ItemDeserializerOnClass.class)
public class ItemWithSerializer {
public final int id;
public final String itemName;
public final User owner;
public ItemWithSerializer(final int id, final String itemName, final User owner) {
this.id = id;
this.itemName = itemName;
this.owner = owner;
}
// API
public int getId() {
return id;
}
public String getItemName() {
return itemName;
}
public User getOwner() {
return owner;
}
}

54
jackson-simple/src/test/java/com/baeldung/jackson/dtos/MyDto.java Normal file
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@ -0,0 +1,54 @@
package com.baeldung.jackson.dtos;
public class MyDto {
private String stringValue;
private int intValue;
private boolean booleanValue;
public MyDto() {
super();
}
public MyDto(final String stringValue, final int intValue, final boolean booleanValue) {
super();
this.stringValue = stringValue;
this.intValue = intValue;
this.booleanValue = booleanValue;
}
// API
public String getStringValue() {
return stringValue;
}
public void setStringValue(final String stringValue) {
this.stringValue = stringValue;
}
public int getIntValue() {
return intValue;
}
public void setIntValue(final int intValue) {
this.intValue = intValue;
}
public boolean isBooleanValue() {
return booleanValue;
}
public void setBooleanValue(final boolean booleanValue) {
this.booleanValue = booleanValue;
}
//
@Override
public String toString() {
return "MyDto [stringValue=" + stringValue + ", intValue=" + intValue + ", booleanValue=" + booleanValue + "]";
}
}

0
jackson/src/test/java/com/baeldung/jackson/dtos/MyDtoFieldNameChanged.java → jackson-simple/src/test/java/com/baeldung/jackson/dtos/MyDtoFieldNameChanged.java
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0
jackson/src/test/java/com/baeldung/jackson/dtos/MyDtoIncludeNonDefault.java → jackson-simple/src/test/java/com/baeldung/jackson/dtos/MyDtoIncludeNonDefault.java
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0
jackson/src/test/java/com/baeldung/jackson/dtos/MyDtoNoAccessors.java → jackson-simple/src/test/java/com/baeldung/jackson/dtos/MyDtoNoAccessors.java
View File

0
jackson/src/test/java/com/baeldung/jackson/dtos/MyDtoNoAccessorsAndFieldVisibility.java → jackson-simple/src/test/java/com/baeldung/jackson/dtos/MyDtoNoAccessorsAndFieldVisibility.java
View File

0
jackson/src/test/java/com/baeldung/jackson/dtos/MyDtoWithFilter.java → jackson-simple/src/test/java/com/baeldung/jackson/dtos/MyDtoWithFilter.java
View File

0
jackson/src/test/java/com/baeldung/jackson/dtos/MyDtoWithSpecialField.java → jackson-simple/src/test/java/com/baeldung/jackson/dtos/MyDtoWithSpecialField.java
View File

0
jackson/src/test/java/com/baeldung/jackson/dtos/MyMixInForIgnoreType.java → jackson-simple/src/test/java/com/baeldung/jackson/dtos/MyMixInForIgnoreType.java
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26
jackson-simple/src/test/java/com/baeldung/jackson/dtos/User.java Normal file
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@ -0,0 +1,26 @@
package com.baeldung.jackson.dtos;
public class User {
public int id;
public String name;
public User() {
super();
}
public User(final int id, final String name) {
this.id = id;
this.name = name;
}
// API
public int getId() {
return id;
}
public String getName() {
return name;
}
}

0
jackson/src/test/java/com/baeldung/jackson/dtos/ignore/MyDtoIgnoreField.java → jackson-simple/src/test/java/com/baeldung/jackson/dtos/ignore/MyDtoIgnoreField.java
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0
jackson/src/test/java/com/baeldung/jackson/dtos/ignore/MyDtoIgnoreFieldByName.java → jackson-simple/src/test/java/com/baeldung/jackson/dtos/ignore/MyDtoIgnoreFieldByName.java
View File

0
jackson/src/test/java/com/baeldung/jackson/dtos/ignore/MyDtoIgnoreNull.java → jackson-simple/src/test/java/com/baeldung/jackson/dtos/ignore/MyDtoIgnoreNull.java
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29
jackson-simple/src/test/java/com/baeldung/jackson/dtos/withEnum/DistanceEnumWithValue.java Normal file
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@ -0,0 +1,29 @@
package com.baeldung.jackson.dtos.withEnum;
import com.fasterxml.jackson.annotation.JsonValue;
public enum DistanceEnumWithValue {
KILOMETER("km", 1000), MILE("miles", 1609.34), METER("meters", 1), INCH("inches", 0.0254), CENTIMETER("cm", 0.01), MILLIMETER("mm", 0.001);
private String unit;
private final double meters;
private DistanceEnumWithValue(String unit, double meters) {
this.unit = unit;
this.meters = meters;
}
@JsonValue
public double getMeters() {
return meters;
}
public String getUnit() {
return unit;
}
public void setUnit(String unit) {
this.unit = unit;
}
}

18
jackson-simple/src/test/java/com/baeldung/jackson/exception/UserWithRoot.java Normal file
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@ -0,0 +1,18 @@
package com.baeldung.jackson.exception;
import com.fasterxml.jackson.annotation.JsonRootName;
@JsonRootName(value = "user")
public class UserWithRoot {
public int id;
public String name;
public UserWithRoot() {
super();
}
public UserWithRoot(final int id, final String name) {
this.id = id;
this.name = name;
}
}

0
jackson/src/test/java/com/baeldung/jackson/exception/UserWithRootNamespace.java → jackson-simple/src/test/java/com/baeldung/jackson/exception/UserWithRootNamespace.java
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36
jackson-simple/src/test/java/com/baeldung/jackson/jsonview/Item.java Normal file
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@ -0,0 +1,36 @@
package com.baeldung.jackson.jsonview;
import com.fasterxml.jackson.annotation.JsonView;
public class Item {
@JsonView(Views.Public.class)
public int id;
@JsonView(Views.Public.class)
public String itemName;
@JsonView(Views.Internal.class)
public String ownerName;
public Item() {
super();
}
public Item(final int id, final String itemName, final String ownerName) {
this.id = id;
this.itemName = itemName;
this.ownerName = ownerName;
}
public int getId() {
return id;
}
public String getItemName() {
return itemName;
}
public String getOwnerName() {
return ownerName;
}
}

9
jackson-simple/src/test/java/com/baeldung/jackson/jsonview/Views.java Normal file
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@ -0,0 +1,9 @@
package com.baeldung.jackson.jsonview;
public class Views {
public static class Public {
}
public static class Internal extends Public {
}
}

0
jackson/src/test/java/com/baeldung/jackson/objectmapper/CustomCarDeserializer.java → jackson-simple/src/test/java/com/baeldung/jackson/objectmapper/CustomCarDeserializer.java
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0
jackson/src/test/java/com/baeldung/jackson/objectmapper/CustomCarSerializer.java → jackson-simple/src/test/java/com/baeldung/jackson/objectmapper/CustomCarSerializer.java
View File

0
jackson/src/test/java/com/baeldung/jackson/objectmapper/JavaReadWriteJsonExampleUnitTest.java → jackson-simple/src/test/java/com/baeldung/jackson/objectmapper/JavaReadWriteJsonExampleUnitTest.java
View File

0
jackson/src/test/java/com/baeldung/jackson/objectmapper/SerializationDeserializationFeatureUnitTest.java → jackson-simple/src/test/java/com/baeldung/jackson/objectmapper/SerializationDeserializationFeatureUnitTest.java
View File

0
jackson/src/test/java/com/baeldung/jackson/objectmapper/dto/Car.java → jackson-simple/src/test/java/com/baeldung/jackson/objectmapper/dto/Car.java
View File

0
jackson/src/test/java/com/baeldung/jackson/objectmapper/dto/Request.java → jackson-simple/src/test/java/com/baeldung/jackson/objectmapper/dto/Request.java
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0
jackson/src/test/java/com/baeldung/jackson/serialization/ItemSerializer.java → jackson-simple/src/test/java/com/baeldung/jackson/serialization/ItemSerializer.java
View File

32
jackson-simple/src/test/java/com/baeldung/jackson/serialization/ItemSerializerOnClass.java Normal file
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@ -0,0 +1,32 @@
package com.baeldung.jackson.serialization;
import java.io.IOException;
import com.baeldung.jackson.dtos.ItemWithSerializer;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.std.StdSerializer;
public class ItemSerializerOnClass extends StdSerializer<ItemWithSerializer> {
private static final long serialVersionUID = -1760959597313610409L;
public ItemSerializerOnClass() {
this(null);
}
public ItemSerializerOnClass(final Class<ItemWithSerializer> t) {
super(t);
}
@Override
public final void serialize(final ItemWithSerializer value, final JsonGenerator jgen, final SerializerProvider provider) throws IOException, JsonProcessingException {
jgen.writeStartObject();
jgen.writeNumberField("id", value.id);
jgen.writeStringField("itemName", value.itemName);
jgen.writeNumberField("owner", value.owner.id);
jgen.writeEndObject();
}
}

0
jackson/src/test/java/com/baeldung/jackson/serialization/MyDtoNullKeySerializer.java → jackson-simple/src/test/java/com/baeldung/jackson/serialization/MyDtoNullKeySerializer.java
View File

0
jackson/src/test/java/com/baeldung/jackson/test/JacksonAnnotationUnitTest.java → jackson-simple/src/test/java/com/baeldung/jackson/test/JacksonAnnotationUnitTest.java
View File

0
jackson/src/test/java/com/baeldung/jackson/test/JacksonSerializationIgnoreUnitTest.java → jackson-simple/src/test/java/com/baeldung/jackson/test/JacksonSerializationIgnoreUnitTest.java
View File

0
jackson/src/test/java/com/baeldung/jackson/test/JacksonSerializationUnitTest.java → jackson-simple/src/test/java/com/baeldung/jackson/test/JacksonSerializationUnitTest.java
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13
jackson-simple/src/test/resources/.gitignore vendored Normal file
View File

@ -0,0 +1,13 @@
*.class
#folders#
/target
/neoDb*
/data
/src/main/webapp/WEB-INF/classes
*/META-INF/*
# Packaged files #
*.jar
*.war
*.ear

6
jackson/README.md
View File

@ -6,9 +6,7 @@
The "REST With Spring" Classes: http://bit.ly/restwithspring
### Relevant Articles:
- [Jackson Ignore Properties on Marshalling](http://www.baeldung.com/jackson-ignore-properties-on-serialization)
- [Jackson – Unmarshall to Collection/Array](http://www.baeldung.com/jackson-collection-array)
- [Jackson Unmarshalling json with Unknown Properties](http://www.baeldung.com/jackson-deserialize-json-unknown-properties)
- [Jackson – Custom Serializer](http://www.baeldung.com/jackson-custom-serialization)
- [Getting Started with Custom Deserialization in Jackson](http://www.baeldung.com/jackson-deserialization)
- [Jackson Exceptions – Problems and Solutions](http://www.baeldung.com/jackson-exception)
@ -17,10 +15,8 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
- [Jackson JSON Tutorial](http://www.baeldung.com/jackson)
- [Jackson – Working with Maps and nulls](http://www.baeldung.com/jackson-map-null-values-or-null-key)
- [Jackson – Decide What Fields Get Serialized/Deserialized](http://www.baeldung.com/jackson-field-serializable-deserializable-or-not)
- [Jackson Annotation Examples](http://www.baeldung.com/jackson-annotations)
- [Working with Tree Model Nodes in Jackson](http://www.baeldung.com/jackson-json-node-tree-model)
- [Jackson vs Gson](http://www.baeldung.com/jackson-vs-gson)
- [Intro to the Jackson ObjectMapper](http://www.baeldung.com/jackson-object-mapper-tutorial)
- [XML Serialization and Deserialization with Jackson](http://www.baeldung.com/jackson-xml-serialization-and-deserialization)
- [More Jackson Annotations](http://www.baeldung.com/jackson-advanced-annotations)
- [Inheritance with Jackson](http://www.baeldung.com/jackson-inheritance)
@ -31,9 +27,7 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
- [Jackson – JsonMappingException (No serializer found for class)](http://www.baeldung.com/jackson-jsonmappingexception)
- [How To Serialize Enums as JSON Objects with Jackson](http://www.baeldung.com/jackson-serialize-enums)
- [Jackson – Marshall String to JsonNode](http://www.baeldung.com/jackson-json-to-jsonnode)
- [Ignore Null Fields with Jackson](http://www.baeldung.com/jackson-ignore-null-fields)
- [Jackson – Unmarshall to Collection/Array](http://www.baeldung.com/jackson-collection-array)
- [Jackson – Change Name of Field](http://www.baeldung.com/jackson-name-of-property)
- [Serialize Only Fields that meet a Custom Criteria with Jackson](http://www.baeldung.com/jackson-serialize-field-custom-criteria)
- [Mapping Nested Values with Jackson](http://www.baeldung.com/jackson-nested-values)
- [Convert XML to JSON Using Jackson](https://www.baeldung.com/jackson-convert-xml-json)

2
jackson/src/test/java/com/baeldung/jackson/test/UnitTestSuite.java
View File

@ -12,8 +12,6 @@ import org.junit.runners.Suite;
,JacksonDeserializationUnitTest.class
,JacksonDeserializationUnitTest.class
,JacksonPrettyPrintUnitTest.class
,JacksonSerializationIgnoreUnitTest.class
,JacksonSerializationUnitTest.class
,SandboxUnitTest.class
,JacksonFieldUnitTest.class
}) // @formatter:on

13
persistence-modules/spring-boot-h2/spring-boot-h2-database/src/main/resources/data.sql Normal file
View File

@ -0,0 +1,13 @@
DROP TABLE IF EXISTS billionaires;
CREATE TABLE billionaires (
id INT AUTO_INCREMENT PRIMARY KEY,
first_name VARCHAR(250) NOT NULL,
last_name VARCHAR(250) NOT NULL,
career VARCHAR(250) DEFAULT NULL
);
INSERT INTO billionaires (first_name, last_name, career) VALUES
('Aliko', 'Dangote', 'Billionaire Industrialist'),
('Bill', 'Gates', 'Billionaire Tech Entrepreneur'),
('Folrunsho', 'Alakija', 'Billionaire Oil Magnate');

7
pom.xml
View File

@ -381,7 +381,7 @@
<!-- <module>core-java-12</module> --> <!-- We haven't upgraded to java 12. Fixing in BAEL-10841 -->
<module>core-java-8</module>
<module>core-java-8-2</module>
<module>core-java-lambdas</module>
<module>core-java-lambdas</module>
<!--<module>core-java-9</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
<!--<module>core-java-os</module> --> <!-- We haven't upgraded to java 9.-->
<module>core-java-arrays</module>
@ -443,6 +443,7 @@
<module>jackson</module>
<module>jackson-2</module>
<module>jackson-simple</module>
<module>java-collections-conversions</module>
<module>java-collections-maps</module>
<module>java-collections-maps-2</module>
@ -541,6 +542,7 @@
<module>tensorflow-java</module>
<module>spring-boot-flowable</module>
<module>spring-security-kerberos</module>
</modules>
@ -768,6 +770,7 @@
<module>tensorflow-java</module>
<module>spring-boot-flowable</module>
<module>spring-security-kerberos</module>
</modules>
@ -912,6 +915,7 @@
<module>persistence-modules/spring-hibernate-5</module>
<module>spring-boot-flowable</module>
<module>spring-security-kerberos</module>
</modules>
</profile>
@ -1103,6 +1107,7 @@
<module>jackson</module>
<module>jackson-2</module>
<module>jackson-simple</module>
<module>java-collections-conversions</module>
<module>java-collections-maps</module>
<module>java-collections-maps-2</module>

19
spring-boot-testing/src/main/java/com/baeldung/component/OtherComponent.java Normal file
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@ -0,0 +1,19 @@
package com.baeldung.component;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
@Component
public class OtherComponent {
private static final Logger LOG = LoggerFactory.getLogger(OtherComponent.class);
public void processData() {
LOG.trace("This is a TRACE log from another package");
LOG.debug("This is a DEBUG log from another package");
LOG.info("This is an INFO log from another package");
LOG.error("This is an ERROR log from another package");
}
}

15
spring-boot-testing/src/main/java/com/baeldung/testloglevel/TestLogLevelApplication.java Normal file
View File

@ -0,0 +1,15 @@
package com.baeldung.testloglevel;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import com.baeldung.boot.Application;
@SpringBootApplication(scanBasePackages = {"com.baeldung.testloglevel", "com.baeldung.component"})
public class TestLogLevelApplication {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}

31
spring-boot-testing/src/main/java/com/baeldung/testloglevel/TestLogLevelController.java Normal file
View File

@ -0,0 +1,31 @@
package com.baeldung.testloglevel;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import com.baeldung.component.OtherComponent;
@RestController
public class TestLogLevelController {
private static final Logger LOG = LoggerFactory.getLogger(TestLogLevelController.class);
@Autowired
private OtherComponent otherComponent;
@GetMapping("/testLogLevel")
public String testLogLevel() {
LOG.trace("This is a TRACE log");
LOG.debug("This is a DEBUG log");
LOG.info("This is an INFO log");
LOG.error("This is an ERROR log");
otherComponent.processData();
return "Added some log output to console...";
}
}

70
spring-boot-testing/src/test/java/com/baeldung/testloglevel/LogbackMultiProfileTestLogLevelIntegrationTest.java Normal file
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@ -0,0 +1,70 @@
package com.baeldung.testloglevel;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
import org.springframework.boot.test.rule.OutputCapture;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.http.ResponseEntity;
import org.springframework.test.context.ActiveProfiles;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT, classes = TestLogLevelApplication.class)
@EnableAutoConfiguration(exclude = SecurityAutoConfiguration.class)
@ActiveProfiles("logback-test2")
public class LogbackMultiProfileTestLogLevelIntegrationTest {
@Autowired
private TestRestTemplate restTemplate;
@Rule
public OutputCapture outputCapture = new OutputCapture();
private String baseUrl = "/testLogLevel";
@Test
public void givenErrorRootLevelAndTraceLevelForOurPackage_whenCall_thenPrintTraceLogsForOurPackage() {
ResponseEntity<String> response = restTemplate.getForEntity(baseUrl, String.class);
assertThat(response.getStatusCode().value()).isEqualTo(200);
assertThatOutputContainsLogForOurPackage("TRACE");
}
@Test
public void givenErrorRootLevelAndTraceLevelForOurPackage_whenCall_thenNoTraceLogsForOtherPackages() {
ResponseEntity<String> response = restTemplate.getForEntity(baseUrl, String.class);
assertThat(response.getStatusCode().value()).isEqualTo(200);
assertThatOutputDoesntContainLogForOtherPackages("TRACE");
}
@Test
public void givenErrorRootLevelAndTraceLevelForOurPackage_whenCall_thenPrintErrorLogs() {
ResponseEntity<String> response = restTemplate.getForEntity(baseUrl, String.class);
assertThat(response.getStatusCode().value()).isEqualTo(200);
assertThatOutputContainsLogForOurPackage("ERROR");
assertThatOutputContainsLogForOtherPackages("ERROR");
}
private void assertThatOutputContainsLogForOurPackage(String level) {
assertThat(outputCapture.toString()).containsPattern("TestLogLevelController.*" + level + ".*");
}
private void assertThatOutputDoesntContainLogForOtherPackages(String level) {
assertThat(outputCapture.toString().replaceAll("(?m)^.*TestLogLevelController.*$", "")).doesNotContain(level);
}
private void assertThatOutputContainsLogForOtherPackages(String level) {
assertThat(outputCapture.toString().replaceAll("(?m)^.*TestLogLevelController.*$", "")).contains(level);
}
}

70
spring-boot-testing/src/test/java/com/baeldung/testloglevel/LogbackTestLogLevelIntegrationTest.java Normal file
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@ -0,0 +1,70 @@
package com.baeldung.testloglevel;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
import org.springframework.boot.test.rule.OutputCapture;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.http.ResponseEntity;
import org.springframework.test.context.ActiveProfiles;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT, classes = TestLogLevelApplication.class)
@EnableAutoConfiguration(exclude = SecurityAutoConfiguration.class)
@ActiveProfiles("logback-test")
public class LogbackTestLogLevelIntegrationTest {
@Autowired
private TestRestTemplate restTemplate;
@Rule
public OutputCapture outputCapture = new OutputCapture();
private String baseUrl = "/testLogLevel";
@Test
public void givenErrorRootLevelAndDebugLevelForOurPackage_whenCall_thenPrintDebugLogsForOurPackage() {
ResponseEntity<String> response = restTemplate.getForEntity(baseUrl, String.class);
assertThat(response.getStatusCode().value()).isEqualTo(200);
assertThatOutputContainsLogForOurPackage("DEBUG");
}
@Test
public void givenErrorRootLevelAndDebugLevelForOurPackage_whenCall_thenNoDebugLogsForOtherPackages() {
ResponseEntity<String> response = restTemplate.getForEntity(baseUrl, String.class);
assertThat(response.getStatusCode().value()).isEqualTo(200);
assertThatOutputDoesntContainLogForOtherPackages("DEBUG");
}
@Test
public void givenErrorRootLevelAndDebugLevelForOurPackage_whenCall_thenPrintErrorLogs() {
ResponseEntity<String> response = restTemplate.getForEntity(baseUrl, String.class);
assertThat(response.getStatusCode().value()).isEqualTo(200);
assertThatOutputContainsLogForOurPackage("ERROR");
assertThatOutputContainsLogForOtherPackages("ERROR");
}
private void assertThatOutputContainsLogForOurPackage(String level) {
assertThat(outputCapture.toString()).containsPattern("TestLogLevelController.*" + level + ".*");
}
private void assertThatOutputDoesntContainLogForOtherPackages(String level) {
assertThat(outputCapture.toString().replaceAll("(?m)^.*TestLogLevelController.*$", "")).doesNotContain(level);
}
private void assertThatOutputContainsLogForOtherPackages(String level) {
assertThat(outputCapture.toString().replaceAll("(?m)^.*TestLogLevelController.*$", "")).contains(level);
}
}

70
spring-boot-testing/src/test/java/com/baeldung/testloglevel/TestLogLevelWithProfileIntegrationTest.java Normal file
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@ -0,0 +1,70 @@
package com.baeldung.testloglevel;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
import org.springframework.boot.test.rule.OutputCapture;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.http.ResponseEntity;
import org.springframework.test.context.ActiveProfiles;
import org.springframework.test.context.junit4.SpringRunner;
import static org.assertj.core.api.Assertions.assertThat;
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT, classes = TestLogLevelApplication.class)
@EnableAutoConfiguration(exclude = SecurityAutoConfiguration.class)
@ActiveProfiles("logging-test")
public class TestLogLevelWithProfileIntegrationTest {
@Autowired
private TestRestTemplate restTemplate;
@Rule
public OutputCapture outputCapture = new OutputCapture();
private String baseUrl = "/testLogLevel";
@Test
public void givenInfoRootLevelAndDebugLevelForOurPackage_whenCall_thenPrintDebugLogsForOurPackage() {
ResponseEntity<String> response = restTemplate.getForEntity(baseUrl, String.class);
assertThat(response.getStatusCode().value()).isEqualTo(200);
assertThatOutputContainsLogForOurPackage("DEBUG");
}
@Test
public void givenInfoRootLevelAndDebugLevelForOurPackage_whenCall_thenNoDebugLogsForOtherPackages() {
ResponseEntity<String> response = restTemplate.getForEntity(baseUrl, String.class);
assertThat(response.getStatusCode().value()).isEqualTo(200);
assertThatOutputDoesntContainLogForOtherPackages("DEBUG");
}
@Test
public void givenInfoRootLevelAndDebugLevelForOurPackage_whenCall_thenPrintInfoLogs() {
ResponseEntity<String> response = restTemplate.getForEntity(baseUrl, String.class);
assertThat(response.getStatusCode().value()).isEqualTo(200);
assertThatOutputContainsLogForOurPackage("INFO");
assertThatOutputContainsLogForOtherPackages("INFO");
}
private void assertThatOutputContainsLogForOurPackage(String level) {
assertThat(outputCapture.toString()).containsPattern("TestLogLevelController.*" + level + ".*");
}
private void assertThatOutputDoesntContainLogForOtherPackages(String level) {
assertThat(outputCapture.toString().replaceAll("(?m)^.*TestLogLevelController.*$", "")).doesNotContain(level);
}
private void assertThatOutputContainsLogForOtherPackages(String level) {
assertThat(outputCapture.toString().replaceAll("(?m)^.*TestLogLevelController.*$", "")).contains(level);
}
}

1
spring-boot-testing/src/test/resources/application-logback-test.properties Normal file
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@ -0,0 +1 @@
logging.config=classpath:logback-test.xml

1
spring-boot-testing/src/test/resources/application-logback-test2.properties Normal file
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@ -0,0 +1 @@
logging.config=classpath:logback-multiprofile.xml

2
spring-boot-testing/src/test/resources/application-logging-test.properties Normal file
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@ -0,0 +1,2 @@
logging.level.com.baeldung.testloglevel=DEBUG
logging.level.root=INFO

18
spring-boot-testing/src/test/resources/logback-multiprofile.xml Normal file
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@ -0,0 +1,18 @@
<configuration>
<include resource="/org/springframework/boot/logging/logback/base.xml"/>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</pattern>
</encoder>
</appender>
<root level="error">
<appender-ref ref="STDOUT"/>
</root>
<springProfile name="logback-test1">
<logger name="com.baeldung.testloglevel" level="info"/>
</springProfile>
<springProfile name="logback-test2">
<logger name="com.baeldung.testloglevel" level="trace"/>
</springProfile>
</configuration>

13
spring-boot-testing/src/test/resources/logback-test.xml Normal file
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@ -0,0 +1,13 @@
<configuration>
<include resource="/org/springframework/boot/logging/logback/base.xml"/>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</pattern>
</encoder>
</appender>
<root level="error">
<appender-ref ref="STDOUT"/>
</root>
<logger name="com.baeldung.testloglevel" level="debug"/>
</configuration>

4
spring-core/pom.xml
View File

@ -10,9 +10,9 @@
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-spring-4</artifactId>
<artifactId>parent-spring-5</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../parent-spring-4</relativePath>
<relativePath>../parent-spring-5</relativePath>
</parent>
<dependencies>

10
spring-security-kerberos/README.md Normal file
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@ -0,0 +1,10 @@
## @PreFilter and @PostFilter annotations
### Build the Project ###
```
mvn clean install
```
### Relevant Articles:
- [Spring Security – Kerberos](http://www.baeldung.com/xxxxxx)

61
spring-security-kerberos/pom.xml Normal file
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@ -0,0 +1,61 @@
<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>spring-security-kerberos</artifactId>
<version>0.1-SNAPSHOT</version>
<name>spring-security-kerberos</name>
<packaging>war</packaging>
<parent>
<artifactId>parent-boot-1</artifactId>
<groupId>com.baeldung</groupId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../parent-boot-1</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.security.kerberos</groupId>
<artifactId>spring-security-kerberos-core</artifactId>
<version>1.0.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.security.kerberos</groupId>
<artifactId>spring-security-kerberos-web</artifactId>
<version>1.0.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.security.kerberos</groupId>
<artifactId>spring-security-kerberos-client</artifactId>
<version>1.0.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>

13
spring-security-kerberos/src/main/java/org/baeldung/Application.java Normal file
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@ -0,0 +1,13 @@
package org.baeldung;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}

87
spring-security-kerberos/src/main/java/org/baeldung/config/WebSecurityConfig.java Normal file
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@ -0,0 +1,87 @@
package org.baeldung.config;
import org.baeldung.security.DummyUserDetailsService;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.FileSystemResource;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.kerberos.authentication.KerberosAuthenticationProvider;
import org.springframework.security.kerberos.authentication.KerberosServiceAuthenticationProvider;
import org.springframework.security.kerberos.authentication.sun.SunJaasKerberosClient;
import org.springframework.security.kerberos.authentication.sun.SunJaasKerberosTicketValidator;
import org.springframework.security.kerberos.web.authentication.SpnegoAuthenticationProcessingFilter;
import org.springframework.security.kerberos.web.authentication.SpnegoEntryPoint;
import org.springframework.security.web.authentication.www.BasicAuthenticationFilter;
@Configuration
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
@Override
protected void configure(HttpSecurity http) throws Exception {
http.authorizeRequests()
.anyRequest()
.authenticated()
.and()
.addFilterBefore(spnegoAuthenticationProcessingFilter(authenticationManagerBean()), BasicAuthenticationFilter.class);
}
@Override
@Bean
public AuthenticationManager authenticationManagerBean() throws Exception {
return super.authenticationManagerBean();
}
@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
auth.authenticationProvider(kerberosAuthenticationProvider())
.authenticationProvider(kerberosServiceAuthenticationProvider());
}
@Bean
public KerberosAuthenticationProvider kerberosAuthenticationProvider() {
KerberosAuthenticationProvider provider = new KerberosAuthenticationProvider();
SunJaasKerberosClient client = new SunJaasKerberosClient();
client.setDebug(true);
provider.setKerberosClient(client);
provider.setUserDetailsService(dummyUserDetailsService());
return provider;
}
@Bean
public SpnegoEntryPoint spnegoEntryPoint() {
return new SpnegoEntryPoint("/login");
}
@Bean
public SpnegoAuthenticationProcessingFilter spnegoAuthenticationProcessingFilter(AuthenticationManager authenticationManager) {
SpnegoAuthenticationProcessingFilter filter = new SpnegoAuthenticationProcessingFilter();
filter.setAuthenticationManager(authenticationManager);
return filter;
}
@Bean
public KerberosServiceAuthenticationProvider kerberosServiceAuthenticationProvider() {
KerberosServiceAuthenticationProvider provider = new KerberosServiceAuthenticationProvider();
provider.setTicketValidator(sunJaasKerberosTicketValidator());
provider.setUserDetailsService(dummyUserDetailsService());
return provider;
}
@Bean
public SunJaasKerberosTicketValidator sunJaasKerberosTicketValidator() {
SunJaasKerberosTicketValidator ticketValidator = new SunJaasKerberosTicketValidator();
ticketValidator.setServicePrincipal("HTTP/demo.kerberos.bealdung.com@baeldung.com");
ticketValidator.setKeyTabLocation(new FileSystemResource("baeldung.keytab"));
ticketValidator.setDebug(true);
return ticketValidator;
}
@Bean
public DummyUserDetailsService dummyUserDetailsService() {
return new DummyUserDetailsService();
}
}

16
spring-security-kerberos/src/main/java/org/baeldung/security/DummyUserDetailsService.java Normal file
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@ -0,0 +1,16 @@
package org.baeldung.security;
import org.springframework.security.core.authority.AuthorityUtils;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
public class DummyUserDetailsService implements UserDetailsService {
@Override
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
return new User(username, "notUsed", true, true, true, true, AuthorityUtils.createAuthorityList("ROLE_USER"));
}
}

22
vaadin/pom.xml
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@ -33,22 +33,6 @@
<artifactId>javax.servlet-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>com.vaadin</groupId>
<artifactId>vaadin-server</artifactId>
</dependency>
<dependency>
<groupId>com.vaadin</groupId>
<artifactId>vaadin-push</artifactId>
</dependency>
<dependency>
<groupId>com.vaadin</groupId>
<artifactId>vaadin-client-compiled</artifactId>
</dependency>
<dependency>
<groupId>com.vaadin</groupId>
<artifactId>vaadin-themes</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
@ -183,9 +167,9 @@
<properties>
<servlet.version>3.0.1</servlet.version>
<vaadin.version>7.7.10</vaadin.version>
<vaadin.plugin.version>8.0.6</vaadin.plugin.version>
<vaadin-spring-boot-starter.version>10.0.1</vaadin-spring-boot-starter.version>
<vaadin.version>10.0.11</vaadin.version>
<vaadin.plugin.version>10.0.11</vaadin.plugin.version>
<vaadin-spring-boot-starter.version>10.0.11</vaadin-spring-boot-starter.version>
<jetty.plugin.version>9.3.9.v20160517</jetty.plugin.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>

281
vaadin/src/main/java/com/baeldung/introduction/VaadinUI.java
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@ -1,281 +0,0 @@
package com.baeldung.introduction;
import java.time.Instant;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import javax.servlet.annotation.WebServlet;
import com.vaadin.annotations.Push;
import com.vaadin.annotations.Theme;
import com.vaadin.annotations.VaadinServletConfiguration;
import com.vaadin.data.Validator.InvalidValueException;
import com.vaadin.data.fieldgroup.BeanFieldGroup;
import com.vaadin.data.validator.StringLengthValidator;
import com.vaadin.server.ExternalResource;
import com.vaadin.server.FontAwesome;
import com.vaadin.server.VaadinRequest;
import com.vaadin.server.VaadinServlet;
import com.vaadin.ui.Button;
import com.vaadin.ui.CheckBox;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.DateField;
import com.vaadin.ui.FormLayout;
import com.vaadin.ui.Grid;
import com.vaadin.ui.GridLayout;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.InlineDateField;
import com.vaadin.ui.Label;
import com.vaadin.ui.Link;
import com.vaadin.ui.ListSelect;
import com.vaadin.ui.NativeButton;
import com.vaadin.ui.NativeSelect;
import com.vaadin.ui.Panel;
import com.vaadin.ui.PasswordField;
import com.vaadin.ui.RichTextArea;
import com.vaadin.ui.TextArea;
import com.vaadin.ui.TextField;
import com.vaadin.ui.TwinColSelect;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;
@SuppressWarnings("serial")
@Push
@Theme("mytheme")
public class VaadinUI extends UI {
private Label currentTime;
@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
protected void init(VaadinRequest vaadinRequest) {
final VerticalLayout verticalLayout = new VerticalLayout();
verticalLayout.setSpacing(true);
verticalLayout.setMargin(true);
final GridLayout gridLayout = new GridLayout(3, 2);
gridLayout.setSpacing(true);
gridLayout.setMargin(true);
final HorizontalLayout horizontalLayout = new HorizontalLayout();
horizontalLayout.setSpacing(true);
horizontalLayout.setMargin(true);
final FormLayout formLayout = new FormLayout();
formLayout.setSpacing(true);
formLayout.setMargin(true);
final GridLayout buttonLayout = new GridLayout(3, 5);
buttonLayout.setMargin(true);
buttonLayout.setSpacing(true);
final Label label = new Label();
label.setId("Label");
label.setValue("Label Value");
label.setCaption("Label");
gridLayout.addComponent(label);
final Link link = new Link("Baeldung", new ExternalResource("http://www.baeldung.com/"));
link.setId("Link");
link.setTargetName("_blank");
gridLayout.addComponent(link);
final TextField textField = new TextField();
textField.setId("TextField");
textField.setCaption("TextField:");
textField.setValue("TextField Value");
textField.setIcon(FontAwesome.USER);
gridLayout.addComponent(textField);
final TextArea textArea = new TextArea();
textArea.setCaption("TextArea");
textArea.setId("TextArea");
textArea.setValue("TextArea Value");
gridLayout.addComponent(textArea);
final DateField dateField = new DateField("DateField", new Date(0));
dateField.setId("DateField");
gridLayout.addComponent(dateField);
final PasswordField passwordField = new PasswordField();
passwordField.setId("PasswordField");
passwordField.setCaption("PasswordField:");
passwordField.setValue("password");
gridLayout.addComponent(passwordField);
final RichTextArea richTextArea = new RichTextArea();
richTextArea.setCaption("Rich Text Area");
richTextArea.setValue("<h1>RichTextArea</h1>");
richTextArea.setSizeFull();
Panel richTextPanel = new Panel();
richTextPanel.setContent(richTextArea);
final InlineDateField inlineDateField = new InlineDateField();
inlineDateField.setValue(new Date(0));
inlineDateField.setCaption("Inline Date Field");
horizontalLayout.addComponent(inlineDateField);
Button normalButton = new Button("Normal Button");
normalButton.setId("NormalButton");
normalButton.addClickListener(e -> {
label.setValue("CLICK");
});
buttonLayout.addComponent(normalButton);
Button tinyButton = new Button("Tiny Button");
tinyButton.addStyleName("tiny");
buttonLayout.addComponent(tinyButton);
Button smallButton = new Button("Small Button");
smallButton.addStyleName("small");
buttonLayout.addComponent(smallButton);
Button largeButton = new Button("Large Button");
largeButton.addStyleName("large");
buttonLayout.addComponent(largeButton);
Button hugeButton = new Button("Huge Button");
hugeButton.addStyleName("huge");
buttonLayout.addComponent(hugeButton);
Button disabledButton = new Button("Disabled Button");
disabledButton.setDescription("This button cannot be clicked");
disabledButton.setEnabled(false);
buttonLayout.addComponent(disabledButton);
Button dangerButton = new Button("Danger Button");
dangerButton.addStyleName("danger");
buttonLayout.addComponent(dangerButton);
Button friendlyButton = new Button("Friendly Button");
friendlyButton.addStyleName("friendly");
buttonLayout.addComponent(friendlyButton);
Button primaryButton = new Button("Primary Button");
primaryButton.addStyleName("primary");
buttonLayout.addComponent(primaryButton);
NativeButton nativeButton = new NativeButton("Native Button");
buttonLayout.addComponent(nativeButton);
Button iconButton = new Button("Icon Button");
iconButton.setIcon(FontAwesome.ALIGN_LEFT);
buttonLayout.addComponent(iconButton);
Button borderlessButton = new Button("BorderLess Button");
borderlessButton.addStyleName("borderless");
buttonLayout.addComponent(borderlessButton);
Button linkButton = new Button("Link Button");
linkButton.addStyleName("link");
buttonLayout.addComponent(linkButton);
Button quietButton = new Button("Quiet Button");
quietButton.addStyleName("quiet");
buttonLayout.addComponent(quietButton);
horizontalLayout.addComponent(buttonLayout);
final CheckBox checkbox = new CheckBox("CheckBox");
checkbox.setValue(true);
checkbox.addValueChangeListener(e -> checkbox.setValue(!checkbox.getValue()));
formLayout.addComponent(checkbox);
List<String> numbers = new ArrayList<String>();
numbers.add("One");
numbers.add("Ten");
numbers.add("Eleven");
ComboBox comboBox = new ComboBox("ComboBox");
comboBox.addItems(numbers);
formLayout.addComponent(comboBox);
ListSelect listSelect = new ListSelect("ListSelect");
listSelect.addItems(numbers);
listSelect.setRows(2);
formLayout.addComponent(listSelect);
NativeSelect nativeSelect = new NativeSelect("NativeSelect");
nativeSelect.addItems(numbers);
formLayout.addComponent(nativeSelect);
TwinColSelect twinColSelect = new TwinColSelect("TwinColSelect");
twinColSelect.addItems(numbers);
Grid grid = new Grid("Grid");
grid.setColumns("Column1", "Column2", "Column3");
grid.addRow("Item1", "Item2", "Item3");
grid.addRow("Item4", "Item5", "Item6");
Panel panel = new Panel("Panel");
panel.setContent(grid);
panel.setSizeUndefined();
Panel serverPushPanel = new Panel("Server Push");
FormLayout timeLayout = new FormLayout();
timeLayout.setSpacing(true);
timeLayout.setMargin(true);
currentTime = new Label("No TIME...");
timeLayout.addComponent(currentTime);
serverPushPanel.setContent(timeLayout);
serverPushPanel.setSizeUndefined();
ScheduledExecutorService scheduleExecutor = Executors.newScheduledThreadPool(1);
Runnable task = () -> {
currentTime.setValue("Current Time : " + Instant.now());
};
scheduleExecutor.scheduleWithFixedDelay(task, 0, 1, TimeUnit.SECONDS);
FormLayout dataBindingLayout = new FormLayout();
dataBindingLayout.setSpacing(true);
dataBindingLayout.setMargin(true);
BindData bindData = new BindData("BindData");
BeanFieldGroup beanFieldGroup = new BeanFieldGroup(BindData.class);
beanFieldGroup.setItemDataSource(bindData);
TextField bindedTextField = (TextField) beanFieldGroup.buildAndBind("BindName", "bindName");
bindedTextField.setWidth("250px");
dataBindingLayout.addComponent(bindedTextField);
FormLayout validatorLayout = new FormLayout();
validatorLayout.setSpacing(true);
validatorLayout.setMargin(true);
HorizontalLayout textValidatorLayout = new HorizontalLayout();
textValidatorLayout.setSpacing(true);
textValidatorLayout.setMargin(true);
TextField stringValidator = new TextField();
stringValidator.setNullSettingAllowed(true);
stringValidator.setNullRepresentation("");
stringValidator.addValidator(new StringLengthValidator("String must have 2-5 characters lenght", 2, 5, true));
stringValidator.setValidationVisible(false);
textValidatorLayout.addComponent(stringValidator);
Button buttonStringValidator = new Button("Validate String");
buttonStringValidator.addClickListener(e -> {
try {
stringValidator.setValidationVisible(false);
stringValidator.validate();
} catch (InvalidValueException err) {
stringValidator.setValidationVisible(true);
}
});
textValidatorLayout.addComponent(buttonStringValidator);
validatorLayout.addComponent(textValidatorLayout);
verticalLayout.addComponent(gridLayout);
verticalLayout.addComponent(richTextPanel);
verticalLayout.addComponent(horizontalLayout);
verticalLayout.addComponent(formLayout);
verticalLayout.addComponent(twinColSelect);
verticalLayout.addComponent(panel);
verticalLayout.addComponent(serverPushPanel);
verticalLayout.addComponent(dataBindingLayout);
verticalLayout.addComponent(validatorLayout);
setContent(verticalLayout);
}
@WebServlet(urlPatterns = "/*", name = "MyUIServlet", asyncSupported = true)
@VaadinServletConfiguration(ui = VaadinUI.class, productionMode = false)
public static class MyUIServlet extends VaadinServlet {
}
}