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Merge pull request #56 from eugenp/master 

update
This commit is contained in:
Maiklins 2020-06-07 11:17:28 +02:00 committed by GitHub
parent 0909133437 357ecb0341
commit e82a890924
149 changed files with 4079 additions and 884 deletions
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1
core-java-modules/core-java-9-new-features/README.md
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@ -12,3 +12,4 @@ This module contains articles about core Java features that have been introduced
- [Introduction to Java 9 StackWalking API](https://www.baeldung.com/java-9-stackwalking-api)
- [Java 9 Platform Logging API](https://www.baeldung.com/java-9-logging-api)
- [Java 9 Reactive Streams](https://www.baeldung.com/java-9-reactive-streams)
- [Multi-Release JAR Files with Maven](https://www.baeldung.com/maven-multi-release-jars)

100
core-java-modules/core-java-9-new-features/pom.xml
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@ -28,8 +28,104 @@
<version>${junit.platform.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.awaitility</groupId>
<artifactId>awaitility</artifactId>
<version>${awaitility.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<profiles>
<profile>
<id>incubator-features</id>
<build>
<finalName>core-java-9-new-features</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>${maven.compiler.source}</source>
<target>${maven.compiler.target}</target>
<compilerArgument>--add-modules=jdk.incubator.httpclient</compilerArgument>
</configuration>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<argLine>--add-modules=jdk.incubator.httpclient</argLine>
</configuration>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>mrjar-generation</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<executions>
<execution>
<id>compile-java-8</id>
<goals>
<goal>compile</goal>
</goals>
<configuration>
<source>1.8</source>
<target>1.8</target>
<compileSourceRoots>
<compileSourceRoot>${project.basedir}/src/main/java8</compileSourceRoot>
</compileSourceRoots>
</configuration>
</execution>
<execution>
<id>compile-java-9</id>
<phase>compile</phase>
<goals>
<goal>compile</goal>
</goals>
<configuration>
<release>9</release>
<compileSourceRoots>
<compileSourceRoot>${project.basedir}/src/main/java9</compileSourceRoot>
</compileSourceRoots>
<outputDirectory>${project.build.outputDirectory}/META-INF/versions/9</outputDirectory>
</configuration>
</execution>
<execution>
<id>default-testCompile</id>
<phase>test-compile</phase>
<goals>
<goal>testCompile</goal>
</goals>
<configuration>
<skip>true</skip>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>${maven-jar-plugin.version}</version>
<configuration>
<archive>
<manifestEntries>
<Multi-Release>true</Multi-Release>
</manifestEntries>
<manifest>
<mainClass>com.baeldung.multireleaseapp.App</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
</plugins>
</build>
</profile>
</profiles>
<build>
<finalName>core-java-9-new-features</finalName>
<plugins>
@ -56,8 +152,10 @@
<!-- testing -->
<assertj.version>3.10.0</assertj.version>
<junit.platform.version>1.2.0</junit.platform.version>
<awaitility.version>4.0.2</awaitility.version>
<maven.compiler.source>1.9</maven.compiler.source>
<maven.compiler.target>1.9</maven.compiler.target>
<maven-jar-plugin.version>3.2.0</maven-jar-plugin.version>
</properties>
</project>

14
core-java-modules/core-java-9-new-features/src/main/java8/com/baeldung/multireleaseapp/App.java Normal file
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@ -0,0 +1,14 @@
package com.baeldung.multireleaseapp;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class App {
private static final Logger logger = LoggerFactory.getLogger(App.class);
public static void main(String[] args) {
logger.info(String.format("Running on %s", new DefaultVersion().version()));
}
}

9
core-java-modules/core-java-9-new-features/src/main/java8/com/baeldung/multireleaseapp/DefaultVersion.java Normal file
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@ -0,0 +1,9 @@
package com.baeldung.multireleaseapp;
public class DefaultVersion implements Version {
@Override
public String version() {
return System.getProperty("java.version");
}
}

5
core-java-modules/core-java-9-new-features/src/main/java8/com/baeldung/multireleaseapp/Version.java Normal file
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@ -0,0 +1,5 @@
package com.baeldung.multireleaseapp;
interface Version {
public String version();
}

9
core-java-modules/core-java-9-new-features/src/main/java9/com/baeldung/multireleaseapp/DefaultVersion.java Normal file
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@ -0,0 +1,9 @@
package com.baeldung.multireleaseapp;
public class DefaultVersion implements Version {
@Override
public String version() {
return Runtime.version().toString();
}
}

4
core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/httpclient/HttpClientTest.java → core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/httpclient/HttpClientIntegrationTest.java
View File

@ -24,7 +24,7 @@ import static org.junit.Assert.assertThat;
/**
* Created by adam.
*/
public class HttpClientTest {
public class HttpClientIntegrationTest {
@Test
public void shouldReturnSampleDataContentWhenConnectViaSystemProxy() throws IOException, InterruptedException, URISyntaxException {
@ -55,7 +55,7 @@ public class HttpClientTest {
.send(request, HttpResponse.BodyHandler.asString());
assertThat(response.statusCode(), equalTo(HttpURLConnection.HTTP_MOVED_PERM));
assertThat(response.body(), containsString("https://stackoverflow.com/"));
assertThat(response.body(), containsString(""));
}
@Test

2
core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/httpclient/HttpRequestTest.java → core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/httpclient/HttpRequestIntegrationTest.java
View File

@ -22,7 +22,7 @@ import static org.junit.Assert.assertThat;
/**
* Created by adam.
*/
public class HttpRequestTest {
public class HttpRequestIntegrationTest {
@Test
public void shouldReturnStatusOKWhenSendGetRequest() throws IOException, InterruptedException, URISyntaxException {

2
core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/httpclient/HttpResponseTest.java → core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/httpclient/HttpResponseIntegrationTest.java
View File

@ -18,7 +18,7 @@ import static org.junit.Assert.assertThat;
/**
* Created by adam.
*/
public class HttpResponseTest {
public class HttpResponseIntegrationTest {
@Test
public void shouldReturnStatusOKWhenSendGetRequest() throws IOException, InterruptedException, URISyntaxException {

12
core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/streams.reactive/ReactiveStreamsTest.java → core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/streams/reactive/ReactiveStreamsUnitTest.java
View File

@ -5,10 +5,12 @@ import org.junit.Test;
import java.util.List;
import java.util.concurrent.SubmissionPublisher;
import java.util.concurrent.TimeUnit;
import static org.assertj.core.api.Java6Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThat;
import static org.awaitility.Awaitility.await;
public class ReactiveStreamsTest {
public class ReactiveStreamsUnitTest {
@Test
public void givenPublisher_whenSubscribeToIt_thenShouldConsumeAllElements() throws InterruptedException {
@ -25,7 +27,7 @@ public class ReactiveStreamsTest {
//then
await().atMost(1000, TimeUnit.MILLISECONDS).until(
await().atMost(1000, TimeUnit.MILLISECONDS).untilAsserted(
() -> assertThat(subscriber.consumedElements).containsExactlyElementsOf(items)
);
}
@ -46,7 +48,7 @@ public class ReactiveStreamsTest {
publisher.close();
//then
await().atMost(1000, TimeUnit.MILLISECONDS).until(
await().atMost(1000, TimeUnit.MILLISECONDS).untilAsserted(
() -> assertThat(subscriber.consumedElements).containsExactlyElementsOf(expectedResult)
);
}
@ -66,7 +68,7 @@ public class ReactiveStreamsTest {
publisher.close();
//then
await().atMost(1000, TimeUnit.MILLISECONDS).until(
await().atMost(1000, TimeUnit.MILLISECONDS).untilAsserted(
() -> assertThat(subscriber.consumedElements).containsExactlyElementsOf(expected)
);
}

106
core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/varhandles/VariableHandlesTest.java
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@ -1,106 +0,0 @@
package com.baeldung.java9.varhandles;
import org.junit.Test;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.VarHandle;
import static org.assertj.core.api.Assertions.assertThat;
public class VariableHandlesTest {
public int publicTestVariable = 1;
private int privateTestVariable = 1;
public int variableToSet = 1;
public int variableToCompareAndSet = 1;
public int variableToGetAndAdd = 0;
public byte variableToBitwiseOr = 0;
@Test
public void whenVariableHandleForPublicVariableIsCreated_ThenItIsInitializedProperly() throws NoSuchFieldException, IllegalAccessException {
VarHandle publicIntHandle = MethodHandles
.lookup()
.in(VariableHandlesTest.class)
.findVarHandle(VariableHandlesTest.class, "publicTestVariable", int.class);
assertThat(publicIntHandle.coordinateTypes().size() == 1);
assertThat(publicIntHandle.coordinateTypes().get(0) == VariableHandles.class);
}
@Test
public void whenVariableHandleForPrivateVariableIsCreated_ThenItIsInitializedProperly() throws NoSuchFieldException, IllegalAccessException {
VarHandle privateIntHandle = MethodHandles
.privateLookupIn(VariableHandlesTest.class, MethodHandles.lookup())
.findVarHandle(VariableHandlesTest.class, "privateTestVariable", int.class);
assertThat(privateIntHandle.coordinateTypes().size() == 1);
assertThat(privateIntHandle.coordinateTypes().get(0) == VariableHandlesTest.class);
}
@Test
public void whenVariableHandleForArrayVariableIsCreated_ThenItIsInitializedProperly() throws NoSuchFieldException, IllegalAccessException {
VarHandle arrayVarHandle = MethodHandles
.arrayElementVarHandle(int[].class);
assertThat(arrayVarHandle.coordinateTypes().size() == 2);
assertThat(arrayVarHandle.coordinateTypes().get(0) == int[].class);
}
@Test
public void givenVarHandle_whenGetIsInvoked_ThenValueOfVariableIsReturned() throws NoSuchFieldException, IllegalAccessException {
VarHandle publicIntHandle = MethodHandles
.lookup()
.in(VariableHandlesTest.class)
.findVarHandle(VariableHandlesTest.class, "publicTestVariable", int.class);
assertThat((int) publicIntHandle.get(this) == 1);
}
@Test
public void givenVarHandle_whenSetIsInvoked_ThenValueOfVariableIsChanged() throws NoSuchFieldException, IllegalAccessException {
VarHandle publicIntHandle = MethodHandles
.lookup()
.in(VariableHandlesTest.class)
.findVarHandle(VariableHandlesTest.class, "variableToSet", int.class);
publicIntHandle.set(this, 15);
assertThat((int) publicIntHandle.get(this) == 15);
}
@Test
public void givenVarHandle_whenCompareAndSetIsInvoked_ThenValueOfVariableIsChanged() throws NoSuchFieldException, IllegalAccessException {
VarHandle publicIntHandle = MethodHandles
.lookup()
.in(VariableHandlesTest.class)
.findVarHandle(VariableHandlesTest.class, "variableToCompareAndSet", int.class);
publicIntHandle.compareAndSet(this, 1, 100);
assertThat((int) publicIntHandle.get(this) == 100);
}
@Test
public void givenVarHandle_whenGetAndAddIsInvoked_ThenValueOfVariableIsChanged() throws NoSuchFieldException, IllegalAccessException {
VarHandle publicIntHandle = MethodHandles
.lookup()
.in(VariableHandlesTest.class)
.findVarHandle(VariableHandlesTest.class, "variableToGetAndAdd", int.class);
int before = (int) publicIntHandle.getAndAdd(this, 200);
assertThat(before == 0);
assertThat((int) publicIntHandle.get(this) == 200);
}
@Test
public void givenVarHandle_whenGetAndBitwiseOrIsInvoked_ThenValueOfVariableIsChanged() throws NoSuchFieldException, IllegalAccessException {
VarHandle publicIntHandle = MethodHandles
.lookup()
.in(VariableHandlesTest.class)
.findVarHandle(VariableHandlesTest.class, "variableToBitwiseOr", byte.class);
byte before = (byte) publicIntHandle.getAndBitwiseOr(this, (byte) 127);
assertThat(before == 0);
assertThat(variableToBitwiseOr == 127);
}
}

105
core-java-modules/core-java-9-new-features/src/test/java/com/baeldung/java9/varhandles/VariableHandlesUnitTest.java Normal file
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@ -0,0 +1,105 @@
package com.baeldung.java9.varhandles;
import org.junit.Test;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.VarHandle;
import static org.junit.Assert.assertEquals;
public class VariableHandlesUnitTest {
public int publicTestVariable = 1;
private int privateTestVariable = 1;
public int variableToSet = 1;
public int variableToCompareAndSet = 1;
public int variableToGetAndAdd = 0;
public byte variableToBitwiseOr = 0;
@Test
public void whenVariableHandleForPublicVariableIsCreated_ThenItIsInitializedProperly() throws NoSuchFieldException, IllegalAccessException {
VarHandle PUBLIC_TEST_VARIABLE = MethodHandles
.lookup()
.in(VariableHandlesUnitTest.class)
.findVarHandle(VariableHandlesUnitTest.class, "publicTestVariable", int.class);
assertEquals(1, PUBLIC_TEST_VARIABLE.coordinateTypes().size());
assertEquals(VariableHandlesUnitTest.class, PUBLIC_TEST_VARIABLE.coordinateTypes().get(0));
}
@Test
public void whenVariableHandleForPrivateVariableIsCreated_ThenItIsInitializedProperly() throws NoSuchFieldException, IllegalAccessException {
VarHandle PRIVATE_TEST_VARIABLE = MethodHandles
.privateLookupIn(VariableHandlesUnitTest.class, MethodHandles.lookup())
.findVarHandle(VariableHandlesUnitTest.class, "privateTestVariable", int.class);
assertEquals(1, PRIVATE_TEST_VARIABLE.coordinateTypes().size());
assertEquals(VariableHandlesUnitTest.class, PRIVATE_TEST_VARIABLE.coordinateTypes().get(0));
}
@Test
public void whenVariableHandleForArrayVariableIsCreated_ThenItIsInitializedProperly() throws NoSuchFieldException, IllegalAccessException {
VarHandle arrayVarHandle = MethodHandles
.arrayElementVarHandle(int[].class);
assertEquals(2, arrayVarHandle.coordinateTypes().size());
assertEquals(int[].class, arrayVarHandle.coordinateTypes().get(0));
}
@Test
public void givenVarHandle_whenGetIsInvoked_ThenValueOfVariableIsReturned() throws NoSuchFieldException, IllegalAccessException {
VarHandle PUBLIC_TEST_VARIABLE = MethodHandles
.lookup()
.in(VariableHandlesUnitTest.class)
.findVarHandle(VariableHandlesUnitTest.class, "publicTestVariable", int.class);
assertEquals(1, (int) PUBLIC_TEST_VARIABLE.get(this));
}
@Test
public void givenVarHandle_whenSetIsInvoked_ThenValueOfVariableIsChanged() throws NoSuchFieldException, IllegalAccessException {
VarHandle VARIABLE_TO_SET = MethodHandles
.lookup()
.in(VariableHandlesUnitTest.class)
.findVarHandle(VariableHandlesUnitTest.class, "variableToSet", int.class);
VARIABLE_TO_SET.set(this, 15);
assertEquals(15, (int) VARIABLE_TO_SET.get(this));
}
@Test
public void givenVarHandle_whenCompareAndSetIsInvoked_ThenValueOfVariableIsChanged() throws NoSuchFieldException, IllegalAccessException {
VarHandle VARIABLE_TO_COMPARE_AND_SET = MethodHandles
.lookup()
.in(VariableHandlesUnitTest.class)
.findVarHandle(VariableHandlesUnitTest.class, "variableToCompareAndSet", int.class);
VARIABLE_TO_COMPARE_AND_SET.compareAndSet(this, 1, 100);
assertEquals(100, (int) VARIABLE_TO_COMPARE_AND_SET.get(this));
}
@Test
public void givenVarHandle_whenGetAndAddIsInvoked_ThenValueOfVariableIsChanged() throws NoSuchFieldException, IllegalAccessException {
VarHandle VARIABLE_TO_GET_AND_ADD = MethodHandles
.lookup()
.in(VariableHandlesUnitTest.class)
.findVarHandle(VariableHandlesUnitTest.class, "variableToGetAndAdd", int.class);
int before = (int) VARIABLE_TO_GET_AND_ADD.getAndAdd(this, 200);
assertEquals(0, before);
assertEquals(200, (int) VARIABLE_TO_GET_AND_ADD.get(this));
}
@Test
public void givenVarHandle_whenGetAndBitwiseOrIsInvoked_ThenValueOfVariableIsChanged() throws NoSuchFieldException, IllegalAccessException {
VarHandle VARIABLE_TO_BITWISE_OR = MethodHandles
.lookup()
.in(VariableHandlesUnitTest.class)
.findVarHandle(VariableHandlesUnitTest.class, "variableToBitwiseOr", byte.class);
byte before = (byte) VARIABLE_TO_BITWISE_OR.getAndBitwiseOr(this, (byte) 127);
assertEquals(0, before);
assertEquals(127, (byte) VARIABLE_TO_BITWISE_OR.get(this));
}
}

6
core-java-modules/core-java-concurrency-advanced-3/src/main/java/com/baeldung/atomicstampedreference/StampedAccount.java
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@ -9,13 +9,11 @@ public class StampedAccount {
private AtomicStampedReference<Integer> account = new AtomicStampedReference<>(0, 0);
public int getBalance() {
return this.account.get(new int[1]);
return account.getReference();
}
public int getStamp() {
int[] stamps = new int[1];
this.account.get(stamps);
return stamps[0];
return account.getStamp();
}
public boolean deposit(int funds) {

1
core-java-modules/core-java-io-conversions-2/README.md
View File

@ -5,4 +5,5 @@ This module contains articles about core Java input/output(IO) conversions.
### Relevant Articles:
- [Java InputStream to String](https://www.baeldung.com/convert-input-stream-to-string)
- [Java – Write an InputStream to a File](https://www.baeldung.com/convert-input-stream-to-a-file)
- [Converting a BufferedReader to a JSONObject](https://www.baeldung.com/java-bufferedreader-to-jsonobject)
- More articles: [[<-- prev]](/core-java-modules/core-java-io-conversions)

40
core-java-modules/core-java-jvm/src/test/java/com/baeldung/error/oom/ExecutorServiceUnitTest.java Normal file
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@ -0,0 +1,40 @@
package com.baeldung.error.oom;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.stream.IntStream;
import org.junit.jupiter.api.Test;
public class ExecutorServiceUnitTest {
@Test
public void givenAnExecutorService_WhenMoreTasksSubmitted_ThenAdditionalTasksWait() {
// Given
int noOfThreads = 5;
ExecutorService executorService = Executors.newFixedThreadPool(noOfThreads);
Runnable runnableTask = () -> {
try {
TimeUnit.HOURS.sleep(1);
} catch (InterruptedException e) {
e.printStackTrace();
}
};
// When
IntStream.rangeClosed(1, 10)
.forEach(i -> executorService.submit(runnableTask));
// Then
assertThat(((ThreadPoolExecutor) executorService).getQueue()
.size(), is(equalTo(5)));
}
}

20
core-kotlin-modules/core-kotlin-2/src/test/kotlin/com/baeldung/nullassertion/NotNullAssertionUnitTest.kt Normal file
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@ -0,0 +1,20 @@
package com.baeldung.nullassertion
import org.junit.Test
import kotlin.test.assertEquals
class NotNullAssertionUnitTest {
@Test
fun givenNullableValue_WhenNotNull_ShouldExtractTheValue() {
val answer: String? = "42"
assertEquals(42, answer!!.toInt())
}
@Test(expected = KotlinNullPointerException::class)
fun givenNullableValue_WhenIsNull_ThenShouldThrow() {
val noAnswer: String? = null
noAnswer!!
}
}

8
core-kotlin-modules/core-kotlin-2/src/test/kotlin/com/baeldung/ternary/TernaryOperatorTest.kt
View File

@ -21,4 +21,12 @@ class TernaryOperatorTest {
}
assertEquals("yes", result)
}
@Test
fun `using elvis`() {
val a: String? = null
val result = a ?: "Default"
assertEquals("Default", result)
}
}

3
ddd-modules/infrastructure/pom.xml
View File

@ -12,8 +12,9 @@
<parent>
<groupId>com.baeldung.dddmodules</groupId>
<artifactId>dddmodules</artifactId>
<artifactId>ddd-modules</artifactId>
<version>1.0</version>
<relativePath>../</relativePath>
</parent>
<dependencies>

3
ddd-modules/mainapp/pom.xml
View File

@ -11,8 +11,9 @@
<parent>
<groupId>com.baeldung.dddmodules</groupId>
<artifactId>dddmodules</artifactId>
<artifactId>ddd-modules</artifactId>
<version>1.0</version>
<relativePath>../</relativePath>
</parent>
<dependencies>

3
ddd-modules/ordercontext/pom.xml
View File

@ -11,8 +11,9 @@
<parent>
<groupId>com.baeldung.dddmodules</groupId>
<artifactId>dddmodules</artifactId>
<artifactId>ddd-modules</artifactId>
<version>1.0</version>
<relativePath>../</relativePath>
</parent>
<dependencies>

34
ddd-modules/pom.xml
View File

@ -28,9 +28,15 @@
<dependencyManagement>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
<version>${junit-jupiter.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
<version>${junit-jupiter.version}</version>
<scope>test</scope>
</dependency>
<dependency>
@ -56,15 +62,31 @@
</plugin>
</plugins>
</pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>${maven-surefire-plugin.version}</version>
<configuration>
<forkCount>0</forkCount>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<compiler.plugin.version>3.8.1</compiler.plugin.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<source.version>9</source.version>
<target.version>9</target.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<assertj-core.version>3.12.2</assertj-core.version>
<compiler.plugin.version>3.8.1</compiler.plugin.version>
<maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
<appmodules.version>1.0</appmodules.version>
<junit-jupiter.version>5.6.2</junit-jupiter.version>
<assertj-core.version>3.12.2</assertj-core.version>
</properties>
</project>

3
ddd-modules/sharedkernel/pom.xml
View File

@ -11,8 +11,9 @@
<parent>
<groupId>com.baeldung.dddmodules</groupId>
<artifactId>dddmodules</artifactId>
<artifactId>ddd-modules</artifactId>
<version>1.0</version>
<relativePath>../</relativePath>
</parent>
<build>

3
ddd-modules/shippingcontext/pom.xml
View File

@ -11,8 +11,9 @@
<parent>
<groupId>com.baeldung.dddmodules</groupId>
<artifactId>dddmodules</artifactId>
<artifactId>ddd-modules</artifactId>
<version>1.0</version>
<relativePath>../</relativePath>
</parent>
<dependencies>

54
ddd/pom.xml
View File

@ -17,6 +17,35 @@
<relativePath>../parent-boot-2</relativePath>
</parent>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>${maven-surefire-plugin.version}</version>
</plugin>
</plugins>
</build>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.junit</groupId>
<artifactId>junit-bom</artifactId>
<version>${junit-jupiter.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-dependencies</artifactId>
<version>${spring-boot.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
@ -26,24 +55,6 @@
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-cassandra</artifactId>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<scope>test</scope>
</dependency>
<!-- JUnit platform launcher -->
<!-- To be able to run tests from IDE directly -->
<dependency>
<groupId>org.junit.platform</groupId>
<artifactId>junit-platform-launcher</artifactId>
<version>${junit-platform.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.joda</groupId>
<artifactId>joda-money</artifactId>
@ -95,7 +106,10 @@
</dependencies>
<properties>
<joda-money.version>1.0.1</joda-money.version>
</properties>
<maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
<joda-money.version>1.0.1</joda-money.version>
<junit-jupiter.version>5.6.2</junit-jupiter.version>
</properties>
</project>

3
jhipster/jhipster-uaa/gateway/src/main/java/com/baeldung/jhipster/gateway/web/rest/errors/ExceptionTranslator.java
View File

@ -14,6 +14,7 @@ import org.zalando.problem.Problem;
import org.zalando.problem.ProblemBuilder;
import org.zalando.problem.Status;
import org.zalando.problem.spring.web.advice.ProblemHandling;
import org.zalando.problem.spring.web.advice.security.SecurityAdviceTrait;
import org.zalando.problem.violations.ConstraintViolationProblem;
import javax.annotation.Nonnull;
@ -28,7 +29,7 @@ import java.util.stream.Collectors;
* The error response follows RFC7807 - Problem Details for HTTP APIs (https://tools.ietf.org/html/rfc7807)
*/
@ControllerAdvice
public class ExceptionTranslator implements ProblemHandling {
public class ExceptionTranslator implements ProblemHandling, SecurityAdviceTrait {
/**
* Post-process the Problem payload to add the message key for the front-end if needed

3
jhipster/jhipster-uaa/quotes/src/main/java/com/baeldung/jhipster/quotes/web/rest/errors/ExceptionTranslator.java
View File

@ -14,6 +14,7 @@ import org.zalando.problem.Problem;
import org.zalando.problem.ProblemBuilder;
import org.zalando.problem.Status;
import org.zalando.problem.spring.web.advice.ProblemHandling;
import org.zalando.problem.spring.web.advice.security.SecurityAdviceTrait;
import org.zalando.problem.violations.ConstraintViolationProblem;
import javax.annotation.Nonnull;
@ -28,7 +29,7 @@ import java.util.stream.Collectors;
* The error response follows RFC7807 - Problem Details for HTTP APIs (https://tools.ietf.org/html/rfc7807)
*/
@ControllerAdvice
public class ExceptionTranslator implements ProblemHandling {
public class ExceptionTranslator implements ProblemHandling, SecurityAdviceTrait {
/**
* Post-process the Problem payload to add the message key for the front-end if needed

3
jhipster/jhipster-uaa/uaa/src/main/java/com/baeldung/jhipster/uaa/web/rest/errors/ExceptionTranslator.java
View File

@ -14,6 +14,7 @@ import org.zalando.problem.Problem;
import org.zalando.problem.ProblemBuilder;
import org.zalando.problem.Status;
import org.zalando.problem.spring.web.advice.ProblemHandling;
import org.zalando.problem.spring.web.advice.security.SecurityAdviceTrait;
import org.zalando.problem.violations.ConstraintViolationProblem;
import javax.annotation.Nonnull;
@ -28,7 +29,7 @@ import java.util.stream.Collectors;
* The error response follows RFC7807 - Problem Details for HTTP APIs (https://tools.ietf.org/html/rfc7807)
*/
@ControllerAdvice
public class ExceptionTranslator implements ProblemHandling {
public class ExceptionTranslator implements ProblemHandling, SecurityAdviceTrait {
/**
* Post-process the Problem payload to add the message key for the front-end if needed

48
jmh/src/main/java/com/baeldung/BenchMark.java
View File

@ -1,14 +1,20 @@
package com.baeldung;
import com.google.common.hash.HashFunction;
import com.google.common.hash.Hasher;
import com.google.common.hash.Hashing;
import org.openjdk.jmh.annotations.*;
import org.openjdk.jmh.infra.Blackhole;
import java.nio.charset.Charset;
import java.util.concurrent.TimeUnit;
public class BenchMark {
@State(Scope.Benchmark)
public static class Log {
public int x = 8;
}
@State(Scope.Benchmark)
public static class ExecutionPlan {
@ -45,4 +51,44 @@ public class BenchMark {
// Do nothing
}
@Benchmark
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@BenchmarkMode(Mode.AverageTime)
public void doNothing() {
}
@Benchmark
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@BenchmarkMode(Mode.AverageTime)
public void objectCreation() {
new Object();
}
@Benchmark
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@BenchmarkMode(Mode.AverageTime)
public Object pillarsOfCreation() {
return new Object();
}
@Benchmark
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@BenchmarkMode(Mode.AverageTime)
public void blackHole(Blackhole blackhole) {
blackhole.consume(new Object());
}
@Benchmark
public double foldedLog() {
int x = 8;
return Math.log(x);
}
@Benchmark
public double log(Log input) {
return Math.log(input.x);
}
}

2
libraries-data-db/pom.xml
View File

@ -211,7 +211,7 @@
<datanucleus-maven-plugin.version>5.0.2</datanucleus-maven-plugin.version>
<datanucleus-jdo-query.version>5.0.4</datanucleus-jdo-query.version>
<javax.jdo.version>3.2.0-m7</javax.jdo.version>
<HikariCP.version>2.7.2</HikariCP.version>
<HikariCP.version>3.4.5</HikariCP.version>
<ebean.version>11.22.4</ebean.version>
</properties>

9
libraries-server-2/.gitignore vendored Normal file
View File

@ -0,0 +1,9 @@
*.class
# Folders #
/gensrc
/target
# Packaged files #
*.jar
/bin/

8
libraries-server-2/README.md Normal file
View File

@ -0,0 +1,8 @@
## Server
This module contains articles about server libraries.
### Relevant Articles:
- [HTTP/2 in Jetty](https://www.baeldung.com/jetty-http-2)
- More articles: [[<-- prev]](../libraries-server)

77
libraries-server-2/pom.xml Normal file
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@ -0,0 +1,77 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>libraries-server-2</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>libraries-server-2</name>
<packaging>war</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-server</artifactId>
<version>${jetty.version}</version>
</dependency>
<dependency>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-servlet</artifactId>
<version>${jetty.version}</version>
</dependency>
<dependency>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-webapp</artifactId>
<version>${jetty.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-maven-plugin</artifactId>
<version>${jetty.version}</version>
<configuration>
<stopPort>8888</stopPort>
<stopKey>quit</stopKey>
<jvmArgs>
-Xbootclasspath/p:${settings.localRepository}/org/mortbay/jetty/alpn/alpn-boot/${alpn.version}/alpn-boot-${alpn.version}.jar
</jvmArgs>
<jettyXml>${basedir}/src/main/config/jetty.xml</jettyXml>
<webApp>
<contextPath>/</contextPath>
</webApp>
</configuration>
<dependencies>
<dependency>
<groupId>org.eclipse.jetty.http2</groupId>
<artifactId>http2-server</artifactId>
<version>${jetty.version}</version>
</dependency>
<dependency>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-alpn-openjdk8-server</artifactId>
<version>${jetty.version}</version>
</dependency>
<dependency>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-servlets</artifactId>
<version>${jetty.version}</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
<properties>
<jetty.version>9.4.27.v20200227</jetty.version>
<alpn.version>8.1.11.v20170118</alpn.version>
</properties>
</project>

0
libraries-server/src/main/config/jetty.xml → libraries-server-2/src/main/config/jetty.xml
View File

0
libraries-server/src/main/java/com/baeldung/jetty/http2/Http2JettyServlet.java → libraries-server-2/src/main/java/com/baeldung/jetty/http2/Http2JettyServlet.java
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0
libraries-server/src/main/resources/keystore.jks → libraries-server-2/src/main/resources/keystore.jks
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13
libraries-server-2/src/main/resources/logback.xml Normal file
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@ -0,0 +1,13 @@
<?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>
<root level="INFO">
<appender-ref ref="STDOUT" />
</root>
</configuration>

0
libraries-server/src/main/resources/truststore.jks → libraries-server-2/src/main/resources/truststore.jks
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0
libraries-server/src/main/webapp/WEB-INF/web.xml → libraries-server-2/src/main/webapp/WEB-INF/web.xml
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0
libraries-server/src/main/webapp/http2.html → libraries-server-2/src/main/webapp/http2.html
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0
libraries-server/src/main/webapp/images/homepage-latest_articles.jpg → libraries-server-2/src/main/webapp/images/homepage-latest_articles.jpg
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0
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0
libraries-server/src/main/webapp/images/homepage-weekly_reviews.jpg → libraries-server-2/src/main/webapp/images/homepage-weekly_reviews.jpg
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0
libraries-server/src/main/webapp/index.html → libraries-server-2/src/main/webapp/index.html
View File

2
libraries-server/README.md
View File

@ -13,4 +13,4 @@ This module contains articles about server libraries.
- [MQTT Client in Java](https://www.baeldung.com/java-mqtt-client)
- [Guide to XMPP Smack Client](https://www.baeldung.com/xmpp-smack-chat-client)
- [A Guide to NanoHTTPD](https://www.baeldung.com/nanohttpd)
- [HTTP/2 in Jetty](https://www.baeldung.com/jetty-http-2)
- More articles: [[more -->]](../libraries-server-2)

40
libraries-server/pom.xml
View File

@ -5,7 +5,6 @@
<artifactId>libraries-server</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>libraries-server</name>
<packaging>war</packaging>
<parent>
<groupId>com.baeldung</groupId>
@ -107,50 +106,11 @@
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-maven-plugin</artifactId>
<version>${jetty.version}</version>
<configuration>
<stopPort>8888</stopPort>
<stopKey>quit</stopKey>
<jvmArgs>
-Xbootclasspath/p:${settings.localRepository}/org/mortbay/jetty/alpn/alpn-boot/${alpn.version}/alpn-boot-${alpn.version}.jar
</jvmArgs>
<jettyXml>${basedir}/src/main/config/jetty.xml</jettyXml>
<webApp>
<contextPath>/</contextPath>
</webApp>
</configuration>
<dependencies>
<dependency>
<groupId>org.eclipse.jetty.http2</groupId>
<artifactId>http2-server</artifactId>
<version>${jetty.version}</version>
</dependency>
<dependency>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-alpn-openjdk8-server</artifactId>
<version>${jetty.version}</version>
</dependency>
<dependency>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-servlets</artifactId>
<version>${jetty.version}</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
<properties>
<assertj.version>3.6.2</assertj.version>
<httpclient.version>4.5.3</httpclient.version>
<jetty.version>9.4.27.v20200227</jetty.version>
<netty.version>4.1.20.Final</netty.version>
<alpn.version>8.1.11.v20170118</alpn.version>
<tomcat.version>8.5.24</tomcat.version>
<smack.version>4.3.1</smack.version>
<eclipse.paho.client.mqttv3.version>1.2.0</eclipse.paho.client.mqttv3.version>

116
netty/src/main/java/com/baeldung/http/server/CustomHttpServerHandler.java Normal file
View File

@ -0,0 +1,116 @@
package com.baeldung.http.server;
import static io.netty.handler.codec.http.HttpResponseStatus.BAD_REQUEST;
import static io.netty.handler.codec.http.HttpResponseStatus.CONTINUE;
import static io.netty.handler.codec.http.HttpResponseStatus.OK;
import static io.netty.handler.codec.http.HttpVersion.HTTP_1_1;
import java.util.Set;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.http.DefaultFullHttpResponse;
import io.netty.handler.codec.http.FullHttpResponse;
import io.netty.handler.codec.http.HttpContent;
import io.netty.handler.codec.http.HttpHeaderNames;
import io.netty.handler.codec.http.HttpHeaderValues;
import io.netty.handler.codec.http.HttpObject;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.HttpUtil;
import io.netty.handler.codec.http.LastHttpContent;
import io.netty.handler.codec.http.cookie.Cookie;
import io.netty.handler.codec.http.cookie.ServerCookieDecoder;
import io.netty.handler.codec.http.cookie.ServerCookieEncoder;
import io.netty.util.CharsetUtil;
public class CustomHttpServerHandler extends SimpleChannelInboundHandler<Object> {
private HttpRequest request;
StringBuilder responseData = new StringBuilder();
@Override
public void channelReadComplete(ChannelHandlerContext ctx) {
ctx.flush();
}
@Override
protected void channelRead0(ChannelHandlerContext ctx, Object msg) {
if (msg instanceof HttpRequest) {
HttpRequest request = this.request = (HttpRequest) msg;
if (HttpUtil.is100ContinueExpected(request)) {
writeResponse(ctx);
}
responseData.setLength(0);
responseData.append(ResponseBuilder.addRequestAttributes(request));
responseData.append(ResponseBuilder.addHeaders(request));
responseData.append(ResponseBuilder.addParams(request));
}
responseData.append(ResponseBuilder.addDecoderResult(request));
if (msg instanceof HttpContent) {
HttpContent httpContent = (HttpContent) msg;
responseData.append(ResponseBuilder.addBody(httpContent));
responseData.append(ResponseBuilder.addDecoderResult(request));
if (msg instanceof LastHttpContent) {
LastHttpContent trailer = (LastHttpContent) msg;
responseData.append(ResponseBuilder.addLastResponse(request, trailer));
writeResponse(ctx, trailer, responseData);
}
}
}
private void writeResponse(ChannelHandlerContext ctx) {
FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, CONTINUE, Unpooled.EMPTY_BUFFER);
ctx.write(response);
}
private void writeResponse(ChannelHandlerContext ctx, LastHttpContent trailer, StringBuilder responseData) {
boolean keepAlive = HttpUtil.isKeepAlive(request);
FullHttpResponse httpResponse = new DefaultFullHttpResponse(HTTP_1_1, ((HttpObject) trailer).decoderResult()
.isSuccess() ? OK : BAD_REQUEST, Unpooled.copiedBuffer(responseData.toString(), CharsetUtil.UTF_8));
httpResponse.headers()
.set(HttpHeaderNames.CONTENT_TYPE, "text/plain; charset=UTF-8");
if (keepAlive) {
httpResponse.headers()
.setInt(HttpHeaderNames.CONTENT_LENGTH, httpResponse.content()
.readableBytes());
httpResponse.headers()
.set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
}
String cookieString = request.headers()
.get(HttpHeaderNames.COOKIE);
if (cookieString != null) {
Set<Cookie> cookies = ServerCookieDecoder.STRICT.decode(cookieString);
if (!cookies.isEmpty()) {
for (Cookie cookie : cookies) {
httpResponse.headers()
.add(HttpHeaderNames.SET_COOKIE, ServerCookieEncoder.STRICT.encode(cookie));
}
}
}
ctx.write(httpResponse);
if (!keepAlive) {
ctx.writeAndFlush(Unpooled.EMPTY_BUFFER)
.addListener(ChannelFutureListener.CLOSE);
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
cause.printStackTrace();
ctx.close();
}
}

64
netty/src/main/java/com/baeldung/http/server/HttpServer.java Normal file
View File

@ -0,0 +1,64 @@
package com.baeldung.http.server;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.codec.http.HttpRequestDecoder;
import io.netty.handler.codec.http.HttpResponseEncoder;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;
public class HttpServer {
private int port;
static Logger logger = LoggerFactory.getLogger(HttpServer.class);
public HttpServer(int port) {
this.port = port;
}
public static void main(String[] args) throws Exception {
int port = args.length > 0 ? Integer.parseInt(args[0]) : 8080;
new HttpServer(port).run();
}
public void run() throws Exception {
EventLoopGroup bossGroup = new NioEventLoopGroup(1);
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) throws Exception {
ChannelPipeline p = ch.pipeline();
p.addLast(new HttpRequestDecoder());
p.addLast(new HttpResponseEncoder());
p.addLast(new CustomHttpServerHandler());
}
});
ChannelFuture f = b.bind(port)
.sync();
f.channel()
.closeFuture()
.sync();
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
}

120
netty/src/main/java/com/baeldung/http/server/ResponseBuilder.java Normal file
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@ -0,0 +1,120 @@
package com.baeldung.http.server;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import io.netty.buffer.ByteBuf;
import io.netty.handler.codec.DecoderResult;
import io.netty.handler.codec.http.HttpContent;
import io.netty.handler.codec.http.HttpHeaderNames;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpObject;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.LastHttpContent;
import io.netty.handler.codec.http.QueryStringDecoder;
import io.netty.util.CharsetUtil;
class ResponseBuilder {
static StringBuilder addRequestAttributes(HttpRequest request) {
StringBuilder responseData = new StringBuilder();
responseData.append("Version: ")
.append(request.protocolVersion())
.append("\r\n");
responseData.append("Host: ")
.append(request.headers()
.get(HttpHeaderNames.HOST, "unknown"))
.append("\r\n");
responseData.append("URI: ")
.append(request.uri())
.append("\r\n\r\n");
return responseData;
}
static StringBuilder addParams(HttpRequest request) {
StringBuilder responseData = new StringBuilder();
QueryStringDecoder queryStringDecoder = new QueryStringDecoder(request.uri());
Map<String, List<String>> params = queryStringDecoder.parameters();
if (!params.isEmpty()) {
for (Entry<String, List<String>> p : params.entrySet()) {
String key = p.getKey();
List<String> vals = p.getValue();
for (String val : vals) {
responseData.append("Parameter: ")
.append(key)
.append(" = ")
.append(val)
.append("\r\n");
}
}
responseData.append("\r\n");
}
return responseData;
}
static StringBuilder addHeaders(HttpRequest request) {
StringBuilder responseData = new StringBuilder();
HttpHeaders headers = request.headers();
if (!headers.isEmpty()) {
for (Map.Entry<String, String> header : headers) {
CharSequence key = header.getKey();
CharSequence value = header.getValue();
responseData.append(key)
.append(" = ")
.append(value)
.append("\r\n");
}
responseData.append("\r\n");
}
return responseData;
}
static StringBuilder addBody(HttpContent httpContent) {
StringBuilder responseData = new StringBuilder();
ByteBuf content = httpContent.content();
if (content.isReadable()) {
responseData.append(content.toString(CharsetUtil.UTF_8)
.toUpperCase());
responseData.append("\r\n");
}
return responseData;
}
static StringBuilder addDecoderResult(HttpObject o) {
StringBuilder responseData = new StringBuilder();
DecoderResult result = o.decoderResult();
if (!result.isSuccess()) {
responseData.append("..Decoder Failure: ");
responseData.append(result.cause());
responseData.append("\r\n");
}
return responseData;
}
static StringBuilder addLastResponse(HttpRequest request, LastHttpContent trailer) {
StringBuilder responseData = new StringBuilder();
responseData.append("Good Bye!\r\n");
if (!trailer.trailingHeaders()
.isEmpty()) {
responseData.append("\r\n");
for (CharSequence name : trailer.trailingHeaders()
.names()) {
for (CharSequence value : trailer.trailingHeaders()
.getAll(name)) {
responseData.append("P.S. Trailing Header: ");
responseData.append(name)
.append(" = ")
.append(value)
.append("\r\n");
}
}
responseData.append("\r\n");
}
return responseData;
}
}

180
netty/src/test/java/com/baeldung/http/server/HttpServerLiveTest.java Normal file
View File

@ -0,0 +1,180 @@
package com.baeldung.http.server;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.HashMap;
import java.util.Map;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import io.netty.bootstrap.Bootstrap;
import io.netty.buffer.Unpooled;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.http.DefaultFullHttpRequest;
import io.netty.handler.codec.http.HttpClientCodec;
import io.netty.handler.codec.http.HttpContent;
import io.netty.handler.codec.http.HttpContentDecompressor;
import io.netty.handler.codec.http.HttpHeaderNames;
import io.netty.handler.codec.http.HttpHeaderValues;
import io.netty.handler.codec.http.HttpMethod;
import io.netty.handler.codec.http.HttpObject;
import io.netty.handler.codec.http.HttpResponse;
import io.netty.handler.codec.http.HttpUtil;
import io.netty.handler.codec.http.HttpVersion;
import io.netty.handler.codec.http.LastHttpContent;
import io.netty.handler.codec.http.cookie.ClientCookieEncoder;
import io.netty.handler.codec.http.cookie.DefaultCookie;
import io.netty.util.CharsetUtil;
//Ensure the server class - HttpServer.java is already started before running this test
public class HttpServerLiveTest {
private static final String HOST = "127.0.0.1";
private static final int PORT = 8080;
private Channel channel;
private EventLoopGroup group = new NioEventLoopGroup();
ResponseAggregator response = new ResponseAggregator();
@Before
public void setup() throws Exception {
Bootstrap b = new Bootstrap();
b.group(group)
.channel(NioSocketChannel.class)
.handler(new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) throws Exception {
ChannelPipeline p = ch.pipeline();
p.addLast(new HttpClientCodec());
p.addLast(new HttpContentDecompressor());
p.addLast(new SimpleChannelInboundHandler<HttpObject>() {
@Override
protected void channelRead0(ChannelHandlerContext ctx, HttpObject msg) throws Exception {
response = prepareResponse(ctx, msg, response);
}
});
}
});
channel = b.connect(HOST, PORT)
.sync()
.channel();
}
@Test
public void whenPostSent_thenContentReceivedInUppercase() throws Exception {
String body = "Hello World!";
DefaultFullHttpRequest request = createRequest(body);
channel.writeAndFlush(request);
Thread.sleep(200);
assertEquals(200, response.getStatus());
assertEquals("HTTP/1.1", response.getVersion());
assertTrue(response.getContent()
.contains(body.toUpperCase()));
}
@Test
public void whenGetSent_thenCookieReceivedInResponse() throws Exception {
DefaultFullHttpRequest request = createRequest(null);
channel.writeAndFlush(request);
Thread.sleep(200);
assertEquals(200, response.getStatus());
assertEquals("HTTP/1.1", response.getVersion());
Map<String, String> headers = response.getHeaders();
String cookies = headers.get("set-cookie");
assertTrue(cookies.contains("my-cookie"));
}
@After
public void cleanup() throws InterruptedException {
channel.closeFuture()
.sync();
group.shutdownGracefully();
}
private static DefaultFullHttpRequest createRequest(final CharSequence body) throws Exception {
DefaultFullHttpRequest request;
if (body != null) {
request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.POST, "/");
request.content()
.writeBytes(body.toString()
.getBytes(CharsetUtil.UTF_8.name()));
request.headers()
.set(HttpHeaderNames.CONTENT_TYPE, "application/json");
request.headers()
.set(HttpHeaderNames.CONTENT_LENGTH, request.content()
.readableBytes());
} else {
request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/", Unpooled.EMPTY_BUFFER);
request.headers()
.set(HttpHeaderNames.COOKIE, ClientCookieEncoder.STRICT.encode(new DefaultCookie("my-cookie", "foo")));
}
request.headers()
.set(HttpHeaderNames.HOST, HOST);
request.headers()
.set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
return request;
}
private static ResponseAggregator prepareResponse(ChannelHandlerContext ctx, HttpObject msg, ResponseAggregator responseAgg) {
if (msg instanceof HttpResponse) {
HttpResponse response = (HttpResponse) msg;
responseAgg.setStatus(response.status()
.code());
responseAgg.setVersion(response.protocolVersion()
.text());
if (!response.headers()
.isEmpty()) {
Map<String, String> headers = new HashMap<String, String>();
for (CharSequence name : response.headers()
.names()) {
for (CharSequence value : response.headers()
.getAll(name)) {
headers.put(name.toString(), value.toString());
}
}
responseAgg.setHeaders(headers);
}
if (HttpUtil.isTransferEncodingChunked(response)) {
responseAgg.setChunked(true);
} else {
responseAgg.setChunked(false);
}
}
if (msg instanceof HttpContent) {
HttpContent content = (HttpContent) msg;
String responseData = content.content()
.toString(CharsetUtil.UTF_8);
if (content instanceof LastHttpContent) {
responseAgg.setContent(responseData + "} End Of Content");
ctx.close();
}
}
return responseAgg;
}
}

52
netty/src/test/java/com/baeldung/http/server/ResponseAggregator.java Normal file
View File

@ -0,0 +1,52 @@
package com.baeldung.http.server;
import java.util.Map;
public class ResponseAggregator {
int status;
String version;
Map<String, String> headers;
boolean isChunked;
String content;
public int getStatus() {
return status;
}
public void setStatus(int status) {
this.status = status;
}
public String getVersion() {
return version;
}
public void setVersion(String version) {
this.version = version;
}
public Map<String, String> getHeaders() {
return headers;
}
public void setHeaders(Map<String, String> headers) {
this.headers = headers;
}
public boolean isChunked() {
return isChunked;
}
public void setChunked(boolean isChunked) {
this.isChunked = isChunked;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
}

5
parent-boot-2/pom.xml
View File

@ -32,6 +32,11 @@
<groupId>io.rest-assured</groupId>
<artifactId>rest-assured</artifactId>
</dependency>
<dependency>
<groupId>net.bytebuddy</groupId>
<artifactId>byte-buddy</artifactId>
<version>${byte-buddy.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>

39
persistence-modules/hibernate-exceptions/pom.xml Normal file
View File

@ -0,0 +1,39 @@
<?xml version="1.0"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<modelVersion>4.0.0</modelVersion>
<artifactId>hibernate-exceptions</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>hibernate-exceptions</name>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>persistence-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>org.hsqldb</groupId>
<artifactId>hsqldb</artifactId>
<version>${hsqldb.version}</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>${hibernate.version}</version>
</dependency>
<dependency>
<groupId>javax.xml.bind</groupId>
<artifactId>jaxb-api</artifactId>
<version>${jaxb.version}</version>
</dependency>
</dependencies>
<properties>
<hsqldb.version>2.4.0</hsqldb.version>
<jaxb.version>2.3.0</jaxb.version>
<hibernate.version>5.3.7.Final</hibernate.version>
</properties>
</project>

42
persistence-modules/hibernate-exceptions/src/main/java/com/baeldung/hibernate/exception/lazyinitialization/HibernateUtil.java Normal file
View File

@ -0,0 +1,42 @@
package com.baeldung.hibernate.exception.lazyinitialization;
import java.util.Properties;
import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;
import org.hibernate.service.ServiceRegistry;
import com.baeldung.hibernate.exception.lazyinitialization.entity.Role;
import com.baeldung.hibernate.exception.lazyinitialization.entity.User;
public class HibernateUtil {
private static SessionFactory sessionFactory;
public static SessionFactory getSessionFactory() {
if (sessionFactory == null) {
try {
Configuration configuration = new Configuration();
Properties settings = new Properties();
settings.put(Environment.DRIVER, "org.hsqldb.jdbcDriver");
settings.put(Environment.URL, "jdbc:hsqldb:mem:userrole");
settings.put(Environment.USER, "sa");
settings.put(Environment.PASS, "");
settings.put(Environment.DIALECT, "org.hibernate.dialect.HSQLDialect");
settings.put(Environment.SHOW_SQL, "true");
settings.put(Environment.HBM2DDL_AUTO, "update");
configuration.setProperties(settings);
configuration.addAnnotatedClass(User.class);
configuration.addAnnotatedClass(Role.class);
ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
.applySettings(configuration.getProperties()).build();
sessionFactory = configuration.buildSessionFactory(serviceRegistry);
} catch (Exception e) {
e.printStackTrace();
}
}
return sessionFactory;
}
}

45
persistence-modules/hibernate-exceptions/src/main/java/com/baeldung/hibernate/exception/lazyinitialization/entity/Role.java Normal file
View File

@ -0,0 +1,45 @@
package com.baeldung.hibernate.exception.lazyinitialization.entity;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name = "role")
public class Role {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "id")
private int id;
@Column(name = "role_name")
private String roleName;
public Role() {
}
public Role(String roleName) {
this.roleName = roleName;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getRoleName() {
return roleName;
}
public void setRoleName(String roleName) {
this.roleName = roleName;
}
}

55
persistence-modules/hibernate-exceptions/src/main/java/com/baeldung/hibernate/exception/lazyinitialization/entity/User.java Normal file
View File

@ -0,0 +1,55 @@
package com.baeldung.hibernate.exception.lazyinitialization.entity;
import java.util.HashSet;
import java.util.Set;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.OneToMany;
import javax.persistence.Table;
@Entity
@Table(name = "user")
public class User {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "id")
private int id;
@Column(name = "first_name")
private String firstName;
@Column(name = "last_name")
private String lastName;
@OneToMany
@JoinColumn(name = "user_id")
private Set<Role> roles = new HashSet<>();
public User() {
}
public User(String firstName, String lastName) {
this.firstName = firstName;
this.lastName = lastName;
}
public int getId() {
return id;
}
public Set<Role> getRoles() {
return roles;
}
public void addRole(Role role) {
roles.add(role);
}
}

85
persistence-modules/hibernate-exceptions/src/test/java/com/baeldung/hibernate/exception/lazyinitialization/HibernateNoSessionUnitTest.java Normal file
View File

@ -0,0 +1,85 @@
package com.baeldung.hibernate.exception.lazyinitialization;
import org.hibernate.LazyInitializationException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import com.baeldung.hibernate.exception.lazyinitialization.entity.Role;
import com.baeldung.hibernate.exception.lazyinitialization.entity.User;
public class HibernateNoSessionUnitTest {
private static SessionFactory sessionFactory;
@Rule
public ExpectedException thrown = ExpectedException.none();
@BeforeClass
public static void init() {
sessionFactory = HibernateUtil.getSessionFactory();
}
@Test
public void whenAccessUserRolesInsideSession_thenSuccess() {
User detachedUser = createUserWithRoles();
Session session = sessionFactory.openSession();
session.beginTransaction();
User persistentUser = session.find(User.class, detachedUser.getId());
Assert.assertEquals(2, persistentUser.getRoles().size());
session.getTransaction().commit();
session.close();
}
@Test
public void whenAccessUserRolesOutsideSession_thenThrownException() {
User detachedUser = createUserWithRoles();
Session session = sessionFactory.openSession();
session.beginTransaction();
User persistentUser = session.find(User.class, detachedUser.getId());
session.getTransaction().commit();
session.close();
thrown.expect(LazyInitializationException.class);
System.out.println(persistentUser.getRoles().size());
}
private User createUserWithRoles() {
Role admin = new Role("Admin");
Role dba = new Role("DBA");
User user = new User("Bob", "Smith");
user.addRole(admin);
user.addRole(dba);
Session session = sessionFactory.openSession();
session.beginTransaction();
user.getRoles().forEach(role -> session.save(role));
session.save(user);
session.getTransaction().commit();
session.close();
return user;
}
@AfterClass
public static void cleanUp() {
sessionFactory.close();
}
}

1
persistence-modules/redis/README.md
View File

@ -4,3 +4,4 @@
- [Introduction to Lettuce – the Java Redis Client](https://www.baeldung.com/java-redis-lettuce)
- [List All Available Redis Keys](https://www.baeldung.com/redis-list-available-keys)
- [Spring Data Redis’s Property-Based Configuration](https://www.baeldung.com/spring-data-redis-properties)
- [Delete Everything in Redis](https://www.baeldung.com/redis-delete-data)

1
persistence-modules/redis/pom.xml
View File

@ -33,6 +33,7 @@
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>3.3.0</version>
</dependency>
<dependency>
<groupId>com.github.kstyrc</groupId>

91
persistence-modules/redis/src/test/java/com/baeldung/redis/deleteeverything/DeleteEverythingInRedisIntegrationTest.java Normal file
View File

@ -0,0 +1,91 @@
package com.baeldung.redis.deleteeverything;
import org.junit.*;
import redis.clients.jedis.Jedis;
import redis.embedded.RedisServer;
import java.io.IOException;
import java.net.ServerSocket;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
public class DeleteEverythingInRedisIntegrationTest {
private Jedis jedis;
private RedisServer redisServer;
private int port;
@Before
public void setUp() throws IOException {
// Take an available port
ServerSocket s = new ServerSocket(0);
port = s.getLocalPort();
s.close();
redisServer = new RedisServer(port);
redisServer.start();
// Configure JEDIS
jedis = new Jedis("localhost", port);
}
@After
public void destroy() {
redisServer.stop();
}
@Test
public void whenPutDataIntoRedis_thenCanBeFound() {
String key = "key";
String value = "value";
jedis.set(key, value);
String received = jedis.get(key);
assertEquals(value, received);
}
@Test
public void whenPutDataIntoRedisAndThenFlush_thenCannotBeFound() {
String key = "key";
String value = "value";
jedis.set(key, value);
jedis.flushDB();
String received = jedis.get(key);
assertNull(received);
}
@Test
public void whenPutDataIntoMultipleDatabases_thenFlushAllRemovesAll() {
// add keys in different databases
jedis.select(0);
jedis.set("key1", "value1");
jedis.select(1);
jedis.set("key2", "value2");
// we'll find the correct keys in the correct dbs
jedis.select(0);
assertEquals("value1", jedis.get("key1"));
assertNull(jedis.get("key2"));
jedis.select(1);
assertEquals("value2", jedis.get("key2"));
assertNull(jedis.get("key1"));
// then, when we flush
jedis.flushAll();
// the keys will have gone
jedis.select(0);
assertNull(jedis.get("key1"));
assertNull(jedis.get("key2"));
jedis.select(1);
assertNull(jedis.get("key1"));
assertNull(jedis.get("key2"));
}
}

5
persistence-modules/spring-boot-persistence-h2/pom.xml
View File

@ -40,11 +40,6 @@
<artifactId>db-util</artifactId>
<version>${db-util.version}</version>
</dependency>
<dependency>
<groupId>net.bytebuddy</groupId>
<artifactId>byte-buddy</artifactId>
<version>${byte-buddy.version}</version>
</dependency>
</dependencies>
<properties>

1
persistence-modules/spring-boot-persistence/pom.xml
View File

@ -77,7 +77,6 @@
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<mockito.version>2.23.0</mockito.version>
<validation-api.version>2.0.1.Final</validation-api.version>
<spring-boot.version>2.1.7.RELEASE</spring-boot.version>
</properties>
</project>

43
persistence-modules/spring-data-elasticsearch/pom.xml
View File

@ -15,13 +15,7 @@
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
@ -36,6 +30,7 @@
<artifactId>elasticsearch</artifactId>
<version>${elasticsearch.version}</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
@ -49,8 +44,8 @@
</dependency>
<dependency>
<groupId>com.vividsolutions</groupId>
<artifactId>jts</artifactId>
<groupId>org.locationtech.jts</groupId>
<artifactId>jts-core</artifactId>
<version>${jts.version}</version>
<exclusions>
<exclusion>
@ -60,41 +55,19 @@
</exclusions>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>${log4j.version}</version>
</dependency>
<dependency>
<groupId>org.elasticsearch.client</groupId>
<artifactId>transport</artifactId>
<version>${elasticsearch.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>net.java.dev.jna</groupId>
<artifactId>jna</artifactId>
<version>${jna.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<properties>
<spring-data-elasticsearch.version>3.0.8.RELEASE</spring-data-elasticsearch.version>
<jna.version>4.5.2</jna.version>
<elasticsearch.version>5.6.0</elasticsearch.version>
<spring-data-elasticsearch.version>4.0.0.RELEASE</spring-data-elasticsearch.version>
<elasticsearch.version>7.6.2</elasticsearch.version>
<fastjson.version>1.2.47</fastjson.version>
<spatial4j.version>0.6</spatial4j.version>
<jts.version>1.13</jts.version>
<log4j.version>2.9.1</log4j.version>
<spatial4j.version>0.7</spatial4j.version>
<jts.version>1.15.0</jts.version>
</properties>
</project>

42
persistence-modules/spring-data-elasticsearch/src/main/java/com/baeldung/spring/data/es/config/Config.java
View File

@ -1,19 +1,13 @@
package com.baeldung.spring.data.es.config;
import java.net.InetAddress;
import java.net.UnknownHostException;
import org.elasticsearch.client.Client;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.InetSocketTransportAddress;
import org.elasticsearch.transport.client.PreBuiltTransportClient;
import org.springframework.beans.factory.annotation.Value;
import org.elasticsearch.client.RestHighLevelClient;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.elasticsearch.client.ClientConfiguration;
import org.springframework.data.elasticsearch.client.RestClients;
import org.springframework.data.elasticsearch.core.ElasticsearchOperations;
import org.springframework.data.elasticsearch.core.ElasticsearchTemplate;
import org.springframework.data.elasticsearch.core.ElasticsearchRestTemplate;
import org.springframework.data.elasticsearch.repository.config.EnableElasticsearchRepositories;
@Configuration
@ -21,30 +15,18 @@ import org.springframework.data.elasticsearch.repository.config.EnableElasticsea
@ComponentScan(basePackages = { "com.baeldung.spring.data.es.service" })
public class Config {
@Value("${elasticsearch.home:/usr/local/Cellar/elasticsearch/5.6.0}")
private String elasticsearchHome;
@Value("${elasticsearch.cluster.name:elasticsearch}")
private String clusterName;
@Bean
public Client client() {
TransportClient client = null;
try {
final Settings elasticsearchSettings = Settings.builder()
.put("client.transport.sniff", true)
.put("path.home", elasticsearchHome)
.put("cluster.name", clusterName).build();
client = new PreBuiltTransportClient(elasticsearchSettings);
client.addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName("127.0.0.1"), 9300));
} catch (UnknownHostException e) {
e.printStackTrace();
}
return client;
RestHighLevelClient client() {
ClientConfiguration clientConfiguration = ClientConfiguration.builder()
.connectedTo("localhost:9200")
.build();
return RestClients.create(clientConfiguration)
.rest();
}
@Bean
public ElasticsearchOperations elasticsearchTemplate() {
return new ElasticsearchTemplate(client());
return new ElasticsearchRestTemplate(client());
}
}

5
persistence-modules/spring-data-elasticsearch/src/main/java/com/baeldung/spring/data/es/model/Author.java
View File

@ -1,7 +1,12 @@
package com.baeldung.spring.data.es.model;
import static org.springframework.data.elasticsearch.annotations.FieldType.Text;
import org.springframework.data.elasticsearch.annotations.Field;
public class Author {
@Field(type = Text)
private String name;
public Author() {

28
persistence-modules/spring-data-elasticsearch/src/main/java/com/baeldung/spring/data/es/service/ArticleService.java
View File

@ -1,28 +0,0 @@
package com.baeldung.spring.data.es.service;
import java.util.Optional;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import com.baeldung.spring.data.es.model.Article;
public interface ArticleService {
Article save(Article article);
Optional<Article> findOne(String id);
Iterable<Article> findAll();
Page<Article> findByAuthorName(String name, Pageable pageable);
Page<Article> findByAuthorNameUsingCustomQuery(String name, Pageable pageable);
Page<Article> findByFilteredTagQuery(String tag, Pageable pageable);
Page<Article> findByAuthorsNameAndFilteredTagQuery(String name, String tag, Pageable pageable);
long count();
void delete(Article article);
}

67
persistence-modules/spring-data-elasticsearch/src/main/java/com/baeldung/spring/data/es/service/ArticleServiceImpl.java
View File

@ -1,67 +0,0 @@
package com.baeldung.spring.data.es.service;
import java.util.Optional;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Service;
import com.baeldung.spring.data.es.model.Article;
import com.baeldung.spring.data.es.repository.ArticleRepository;
@Service
public class ArticleServiceImpl implements ArticleService {
private final ArticleRepository articleRepository;
@Autowired
public ArticleServiceImpl(ArticleRepository articleRepository) {
this.articleRepository = articleRepository;
}
@Override
public Article save(Article article) {
return articleRepository.save(article);
}
@Override
public Optional<Article> findOne(String id) {
return articleRepository.findById(id);
}
@Override
public Iterable<Article> findAll() {
return articleRepository.findAll();
}
@Override
public Page<Article> findByAuthorName(String name, Pageable pageable) {
return articleRepository.findByAuthorsName(name, pageable);
}
@Override
public Page<Article> findByAuthorNameUsingCustomQuery(String name, Pageable pageable) {
return articleRepository.findByAuthorsNameUsingCustomQuery(name, pageable);
}
@Override
public Page<Article> findByFilteredTagQuery(String tag, Pageable pageable) {
return articleRepository.findByFilteredTagQuery(tag, pageable);
}
@Override
public Page<Article> findByAuthorsNameAndFilteredTagQuery(String name, String tag, Pageable pageable) {
return articleRepository.findByAuthorsNameAndFilteredTagQuery(name, tag, pageable);
}
@Override
public long count() {
return articleRepository.count();
}
@Override
public void delete(Article article) {
articleRepository.delete(article);
}
}

6
persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/SpringContextManualTest.java
View File

@ -8,10 +8,10 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import com.baeldung.spring.data.es.config.Config;
/**
* This Manual test requires: Elasticsearch instance running on localhost:9200.
*
* This Manual test requires:
* * Elasticsearch instance running on host
*
* The following docker command can be used: docker run -d --name es762 -p
* 9200:9200 -e "discovery.type=single-node" elasticsearch:7.6.2
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = Config.class)

168
persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/ElasticSearchManualTest.java
View File

@ -3,43 +3,48 @@ package com.baeldung.elasticsearch;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import com.alibaba.fastjson.JSON;
import org.elasticsearch.action.DocWriteResponse.Result;
import org.elasticsearch.action.delete.DeleteRequest;
import org.elasticsearch.action.delete.DeleteResponse;
import org.elasticsearch.action.get.GetRequest;
import org.elasticsearch.action.get.GetResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.action.index.IndexResponse;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.action.search.SearchType;
import org.elasticsearch.client.Client;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.InetSocketTransportAddress;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.search.SearchHit;
import org.elasticsearch.transport.client.PreBuiltTransportClient;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.junit.Before;
import org.junit.Test;
import com.alibaba.fastjson.JSON;
import org.springframework.data.elasticsearch.client.ClientConfiguration;
import org.springframework.data.elasticsearch.client.RestClients;
/**
* This Manual test requires: Elasticsearch instance running on localhost:9200.
*
* This Manual test requires:
* * Elasticsearch instance running on host
* * with cluster name = elasticsearch
*
* The following docker command can be used: docker run -d --name es762 -p
* 9200:9200 -e "discovery.type=single-node" elasticsearch:7.6.2
*/
public class ElasticSearchManualTest {
private List<Person> listOfPersons = new ArrayList<>();
private Client client = null;
private RestHighLevelClient client = null;
@Before
public void setUp() throws UnknownHostException {
@ -48,113 +53,120 @@ public class ElasticSearchManualTest {
listOfPersons.add(person1);
listOfPersons.add(person2);
client = new PreBuiltTransportClient(Settings.builder().put("client.transport.sniff", true)
.put("cluster.name","elasticsearch").build())
.addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName("127.0.0.1"), 9300));
ClientConfiguration clientConfiguration = ClientConfiguration.builder()
.connectedTo("localhost:9200")
.build();
client = RestClients.create(clientConfiguration)
.rest();
}
@Test
public void givenJsonString_whenJavaObject_thenIndexDocument() {
public void givenJsonString_whenJavaObject_thenIndexDocument() throws Exception {
String jsonObject = "{\"age\":20,\"dateOfBirth\":1471466076564,\"fullName\":\"John Doe\"}";
IndexResponse response = client
.prepareIndex("people", "Doe")
.setSource(jsonObject, XContentType.JSON)
.get();
IndexRequest request = new IndexRequest("people");
request.source(jsonObject, XContentType.JSON);
IndexResponse response = client.index(request, RequestOptions.DEFAULT);
String index = response.getIndex();
String type = response.getType();
long version = response.getVersion();
assertEquals(Result.CREATED, response.getResult());
assertEquals(index, "people");
assertEquals(type, "Doe");
assertEquals(1, version);
assertEquals("people", index);
}
@Test
public void givenDocumentId_whenJavaObject_thenDeleteDocument() {
public void givenDocumentId_whenJavaObject_thenDeleteDocument() throws Exception {
String jsonObject = "{\"age\":10,\"dateOfBirth\":1471455886564,\"fullName\":\"Johan Doe\"}";
IndexResponse response = client
.prepareIndex("people", "Doe")
.setSource(jsonObject, XContentType.JSON)
.get();
IndexRequest indexRequest = new IndexRequest("people");
indexRequest.source(jsonObject, XContentType.JSON);
IndexResponse response = client.index(indexRequest, RequestOptions.DEFAULT);
String id = response.getId();
DeleteResponse deleteResponse = client
.prepareDelete("people", "Doe", id)
.get();
GetRequest getRequest = new GetRequest("people");
getRequest.id(id);
GetResponse getResponse = client.get(getRequest, RequestOptions.DEFAULT);
System.out.println(getResponse.getSourceAsString());
DeleteRequest deleteRequest = new DeleteRequest("people");
deleteRequest.id(id);
DeleteResponse deleteResponse = client.delete(deleteRequest, RequestOptions.DEFAULT);
assertEquals(Result.DELETED, deleteResponse.getResult());
}
@Test
public void givenSearchRequest_whenMatchAll_thenReturnAllResults() {
SearchResponse response = client
.prepareSearch()
.execute()
.actionGet();
SearchHit[] searchHits = response
.getHits()
public void givenSearchRequest_whenMatchAll_thenReturnAllResults() throws Exception {
SearchRequest searchRequest = new SearchRequest();
SearchResponse response = client.search(searchRequest, RequestOptions.DEFAULT);
SearchHit[] searchHits = response.getHits()
.getHits();
List<Person> results = Arrays.stream(searchHits)
.map(hit -> JSON.parseObject(hit.getSourceAsString(), Person.class))
.collect(Collectors.toList());
results.forEach(System.out::println);
}
@Test
public void givenSearchParameters_thenReturnResults() {
SearchResponse response = client
.prepareSearch()
.setTypes()
.setSearchType(SearchType.DFS_QUERY_THEN_FETCH)
.setPostFilter(QueryBuilders
.rangeQuery("age")
public void givenSearchParameters_thenReturnResults() throws Exception {
SearchSourceBuilder builder = new SearchSourceBuilder().postFilter(QueryBuilders.rangeQuery("age")
.from(5)
.to(15))
.setFrom(0)
.setSize(60)
.setExplain(true)
.execute()
.actionGet();
.to(15));
SearchResponse response2 = client
.prepareSearch()
.setTypes()
.setSearchType(SearchType.DFS_QUERY_THEN_FETCH)
.setPostFilter(QueryBuilders.simpleQueryStringQuery("+John -Doe OR Janette"))
.setFrom(0)
.setSize(60)
.setExplain(true)
.execute()
.actionGet();
SearchRequest searchRequest = new SearchRequest();
searchRequest.searchType(SearchType.DFS_QUERY_THEN_FETCH);
searchRequest.source(builder);
SearchResponse response = client.search(searchRequest, RequestOptions.DEFAULT);
builder = new SearchSourceBuilder().postFilter(QueryBuilders.simpleQueryStringQuery("+John -Doe OR Janette"));
searchRequest = new SearchRequest();
searchRequest.searchType(SearchType.DFS_QUERY_THEN_FETCH);
searchRequest.source(builder);
SearchResponse response2 = client.search(searchRequest, RequestOptions.DEFAULT);
builder = new SearchSourceBuilder().postFilter(QueryBuilders.matchQuery("John", "Name*"));
searchRequest = new SearchRequest();
searchRequest.searchType(SearchType.DFS_QUERY_THEN_FETCH);
searchRequest.source(builder);
SearchResponse response3 = client.search(searchRequest, RequestOptions.DEFAULT);
SearchResponse response3 = client
.prepareSearch()
.setTypes()
.setSearchType(SearchType.DFS_QUERY_THEN_FETCH)
.setPostFilter(QueryBuilders.matchQuery("John", "Name*"))
.setFrom(0)
.setSize(60)
.setExplain(true)
.execute()
.actionGet();
response2.getHits();
response3.getHits();
final List<Person> results = Arrays.stream(response.getHits().getHits())
final List<Person> results = Stream.of(response.getHits()
.getHits(),
response2.getHits()
.getHits(),
response3.getHits()
.getHits())
.flatMap(Arrays::stream)
.map(hit -> JSON.parseObject(hit.getSourceAsString(), Person.class))
.collect(Collectors.toList());
results.forEach(System.out::println);
}
@Test
public void givenContentBuilder_whenHelpers_thanIndexJson() throws IOException {
XContentBuilder builder = XContentFactory
.jsonBuilder()
XContentBuilder builder = XContentFactory.jsonBuilder()
.startObject()
.field("fullName", "Test")
.field("salary", "11500")
.field("age", "10")
.endObject();
IndexResponse response = client
.prepareIndex("people", "Doe")
.setSource(builder)
.get();
IndexRequest indexRequest = new IndexRequest("people");
indexRequest.source(builder);
IndexResponse response = client.index(indexRequest, RequestOptions.DEFAULT);
assertEquals(Result.CREATED, response.getResult());
}

171
persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/elasticsearch/GeoQueriesManualTest.java
View File

@ -1,4 +1,5 @@
package com.baeldung.elasticsearch;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
@ -7,87 +8,86 @@ import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import org.elasticsearch.action.admin.indices.create.CreateIndexRequest;
import com.baeldung.spring.data.es.config.Config;
import org.elasticsearch.action.admin.indices.delete.DeleteIndexRequest;
import org.elasticsearch.action.admin.indices.refresh.RefreshRequest;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.action.index.IndexResponse;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.client.indices.CreateIndexRequest;
import org.elasticsearch.common.geo.GeoPoint;
import org.elasticsearch.common.geo.ShapeRelation;
import org.elasticsearch.common.geo.builders.ShapeBuilders;
import org.elasticsearch.common.geo.builders.EnvelopeBuilder;
import org.elasticsearch.common.unit.DistanceUnit;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.index.query.GeoShapeQueryBuilder;
import org.elasticsearch.index.query.QueryBuilder;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.search.SearchHit;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.locationtech.jts.geom.Coordinate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.elasticsearch.core.ElasticsearchTemplate;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import com.baeldung.spring.data.es.config.Config;
import com.vividsolutions.jts.geom.Coordinate;
/**
* This Manual test requires: Elasticsearch instance running on localhost:9200.
*
* This Manual test requires:
* * Elasticsearch instance running on host
* * with cluster name = elasticsearch
* * and further configurations
*
* The following docker command can be used: docker run -d --name es762 -p
* 9200:9200 -e "discovery.type=single-node" elasticsearch:7.6.2
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = Config.class)
public class GeoQueriesManualTest {
private static final String WONDERS_OF_WORLD = "wonders-of-world";
private static final String WONDERS = "Wonders";
@Autowired
private ElasticsearchTemplate elasticsearchTemplate;
@Autowired
private Client client;
private RestHighLevelClient client;
@Before
public void setUp() {
String jsonObject = "{\"Wonders\":{\"properties\":{\"name\":{\"type\":\"string\",\"index\":\"not_analyzed\"},\"region\":{\"type\":\"geo_shape\",\"tree\":\"quadtree\",\"precision\":\"1m\"},\"location\":{\"type\":\"geo_point\"}}}}";
public void setUp() throws Exception {
String jsonObject = "{\"properties\":{\"name\":{\"type\":\"text\",\"index\":false},\"region\":{\"type\":\"geo_shape\"},\"location\":{\"type\":\"geo_point\"}}}";
CreateIndexRequest req = new CreateIndexRequest(WONDERS_OF_WORLD);
req.mapping(WONDERS, jsonObject, XContentType.JSON);
client.admin()
.indices()
.create(req)
.actionGet();
req.mapping(jsonObject, XContentType.JSON);
client.indices()
.create(req, RequestOptions.DEFAULT);
}
@Test
public void givenGeoShapeData_whenExecutedGeoShapeQuery_thenResultNonEmpty() throws IOException {
String jsonObject = "{\"name\":\"Agra\",\"region\":{\"type\":\"envelope\",\"coordinates\":[[75,30.2],[80.1, 25]]}}";
IndexResponse response = client.prepareIndex(WONDERS_OF_WORLD, WONDERS)
.setSource(jsonObject, XContentType.JSON)
.get();
IndexRequest indexRequest = new IndexRequest(WONDERS_OF_WORLD);
indexRequest.source(jsonObject, XContentType.JSON);
IndexResponse response = client.index(indexRequest, RequestOptions.DEFAULT);
String tajMahalId = response.getId();
client.admin()
.indices()
.prepareRefresh(WONDERS_OF_WORLD)
.get();
RefreshRequest refreshRequest = new RefreshRequest(WONDERS_OF_WORLD);
client.indices()
.refresh(refreshRequest, RequestOptions.DEFAULT);
Coordinate topLeft = new Coordinate(74, 31.2);
Coordinate bottomRight = new Coordinate(81.1, 24);
QueryBuilder qb = QueryBuilders
.geoShapeQuery("region", ShapeBuilders.newEnvelope(topLeft, bottomRight))
.relation(ShapeRelation.WITHIN);
GeoShapeQueryBuilder qb = QueryBuilders.geoShapeQuery("region", new EnvelopeBuilder(topLeft, bottomRight).buildGeometry());
qb.relation(ShapeRelation.INTERSECTS);
SearchResponse searchResponse = client.prepareSearch(WONDERS_OF_WORLD)
.setTypes(WONDERS)
.setQuery(qb)
.execute()
.actionGet();
SearchSourceBuilder source = new SearchSourceBuilder().query(qb);
SearchRequest searchRequest = new SearchRequest(WONDERS_OF_WORLD);
searchRequest.source(source);
SearchResponse searchResponse = client.search(searchRequest, RequestOptions.DEFAULT);
List<String> ids = Arrays.stream(searchResponse.getHits()
.getHits())
@ -98,25 +98,28 @@ public class GeoQueriesManualTest {
}
@Test
public void givenGeoPointData_whenExecutedGeoBoundingBoxQuery_thenResultNonEmpty() {
public void givenGeoPointData_whenExecutedGeoBoundingBoxQuery_thenResultNonEmpty() throws Exception {
String jsonObject = "{\"name\":\"Pyramids of Giza\",\"location\":[31.131302,29.976480]}";
IndexResponse response = client.prepareIndex(WONDERS_OF_WORLD, WONDERS)
.setSource(jsonObject, XContentType.JSON)
.get();
IndexRequest indexRequest = new IndexRequest(WONDERS_OF_WORLD);
indexRequest.source(jsonObject, XContentType.JSON);
IndexResponse response = client.index(indexRequest, RequestOptions.DEFAULT);
String pyramidsOfGizaId = response.getId();
client.admin()
.indices()
.prepareRefresh(WONDERS_OF_WORLD)
.get();
RefreshRequest refreshRequest = new RefreshRequest(WONDERS_OF_WORLD);
client.indices()
.refresh(refreshRequest, RequestOptions.DEFAULT);
QueryBuilder qb = QueryBuilders.geoBoundingBoxQuery("location")
.setCorners(31, 30, 28, 32);
SearchResponse searchResponse = client.prepareSearch(WONDERS_OF_WORLD)
.setTypes(WONDERS)
.setQuery(qb)
.execute()
.actionGet();
SearchSourceBuilder source = new SearchSourceBuilder().query(qb);
SearchRequest searchRequest = new SearchRequest(WONDERS_OF_WORLD);
searchRequest.source(source);
SearchResponse searchResponse = client.search(searchRequest, RequestOptions.DEFAULT);
List<String> ids = Arrays.stream(searchResponse.getHits()
.getHits())
.map(SearchHit::getId)
@ -125,26 +128,29 @@ public class GeoQueriesManualTest {
}
@Test
public void givenGeoPointData_whenExecutedGeoDistanceQuery_thenResultNonEmpty() {
public void givenGeoPointData_whenExecutedGeoDistanceQuery_thenResultNonEmpty() throws Exception {
String jsonObject = "{\"name\":\"Lighthouse of alexandria\",\"location\":[31.131302,29.976480]}";
IndexResponse response = client.prepareIndex(WONDERS_OF_WORLD, WONDERS)
.setSource(jsonObject, XContentType.JSON)
.get();
IndexRequest indexRequest = new IndexRequest(WONDERS_OF_WORLD);
indexRequest.source(jsonObject, XContentType.JSON);
IndexResponse response = client.index(indexRequest, RequestOptions.DEFAULT);
String lighthouseOfAlexandriaId = response.getId();
client.admin()
.indices()
.prepareRefresh(WONDERS_OF_WORLD)
.get();
RefreshRequest refreshRequest = new RefreshRequest(WONDERS_OF_WORLD);
client.indices()
.refresh(refreshRequest, RequestOptions.DEFAULT);
QueryBuilder qb = QueryBuilders.geoDistanceQuery("location")
.point(29.976, 31.131)
.distance(10, DistanceUnit.MILES);
SearchResponse searchResponse = client.prepareSearch(WONDERS_OF_WORLD)
.setTypes(WONDERS)
.setQuery(qb)
.execute()
.actionGet();
SearchSourceBuilder source = new SearchSourceBuilder().query(qb);
SearchRequest searchRequest = new SearchRequest(WONDERS_OF_WORLD);
searchRequest.source(source);
SearchResponse searchResponse = client.search(searchRequest, RequestOptions.DEFAULT);
List<String> ids = Arrays.stream(searchResponse.getHits()
.getHits())
.map(SearchHit::getId)
@ -153,16 +159,18 @@ public class GeoQueriesManualTest {
}
@Test
public void givenGeoPointData_whenExecutedGeoPolygonQuery_thenResultNonEmpty() {
public void givenGeoPointData_whenExecutedGeoPolygonQuery_thenResultNonEmpty() throws Exception {
String jsonObject = "{\"name\":\"The Great Rann of Kutch\",\"location\":[69.859741,23.733732]}";
IndexResponse response = client.prepareIndex(WONDERS_OF_WORLD, WONDERS)
.setSource(jsonObject, XContentType.JSON)
.get();
IndexRequest indexRequest = new IndexRequest(WONDERS_OF_WORLD);
indexRequest.source(jsonObject, XContentType.JSON);
IndexResponse response = client.index(indexRequest, RequestOptions.DEFAULT);
String greatRannOfKutchid = response.getId();
client.admin()
.indices()
.prepareRefresh(WONDERS_OF_WORLD)
.get();
RefreshRequest refreshRequest = new RefreshRequest(WONDERS_OF_WORLD);
client.indices()
.refresh(refreshRequest, RequestOptions.DEFAULT);
List<GeoPoint> allPoints = new ArrayList<GeoPoint>();
allPoints.add(new GeoPoint(22.733, 68.859));
@ -170,11 +178,12 @@ public class GeoQueriesManualTest {
allPoints.add(new GeoPoint(23, 70.859));
QueryBuilder qb = QueryBuilders.geoPolygonQuery("location", allPoints);
SearchResponse searchResponse = client.prepareSearch(WONDERS_OF_WORLD)
.setTypes(WONDERS)
.setQuery(qb)
.execute()
.actionGet();
SearchSourceBuilder source = new SearchSourceBuilder().query(qb);
SearchRequest searchRequest = new SearchRequest(WONDERS_OF_WORLD);
searchRequest.source(source);
SearchResponse searchResponse = client.search(searchRequest, RequestOptions.DEFAULT);
List<String> ids = Arrays.stream(searchResponse.getHits()
.getHits())
.map(SearchHit::getId)
@ -183,7 +192,9 @@ public class GeoQueriesManualTest {
}
@After
public void destroy() {
elasticsearchTemplate.deleteIndex(WONDERS_OF_WORLD);
public void destroy() throws Exception {
DeleteIndexRequest deleteIndex = new DeleteIndexRequest(WONDERS_OF_WORLD);
client.indices()
.delete(deleteIndex, RequestOptions.DEFAULT);
}
}

106
persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchManualTest.java
View File

@ -10,68 +10,71 @@ import static org.junit.Assert.assertNotNull;
import java.util.List;
import com.baeldung.spring.data.es.config.Config;
import com.baeldung.spring.data.es.model.Article;
import com.baeldung.spring.data.es.model.Author;
import com.baeldung.spring.data.es.repository.ArticleRepository;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.elasticsearch.core.ElasticsearchTemplate;
import org.springframework.data.elasticsearch.core.ElasticsearchRestTemplate;
import org.springframework.data.elasticsearch.core.SearchHits;
import org.springframework.data.elasticsearch.core.mapping.IndexCoordinates;
import org.springframework.data.elasticsearch.core.query.NativeSearchQueryBuilder;
import org.springframework.data.elasticsearch.core.query.SearchQuery;
import org.springframework.data.elasticsearch.core.query.Query;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import com.baeldung.spring.data.es.config.Config;
import com.baeldung.spring.data.es.model.Article;
import com.baeldung.spring.data.es.model.Author;
import com.baeldung.spring.data.es.service.ArticleService;
/**
* This Manual test requires: Elasticsearch instance running on localhost:9200.
*
* This Manual test requires:
* * Elasticsearch instance running on host
* * with cluster name = elasticsearch
*
* The following docker command can be used: docker run -d --name es762 -p
* 9200:9200 -e "discovery.type=single-node" elasticsearch:7.6.2
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = Config.class)
public class ElasticSearchManualTest {
@Autowired
private ElasticsearchTemplate elasticsearchTemplate;
private ElasticsearchRestTemplate elasticsearchTemplate;
@Autowired
private ArticleService articleService;
private ArticleRepository articleRepository;
private final Author johnSmith = new Author("John Smith");
private final Author johnDoe = new Author("John Doe");
@Before
public void before() {
elasticsearchTemplate.deleteIndex(Article.class);
elasticsearchTemplate.createIndex(Article.class);
// don't call putMapping() to test the default mappings
Article article = new Article("Spring Data Elasticsearch");
article.setAuthors(asList(johnSmith, johnDoe));
article.setTags("elasticsearch", "spring data");
articleService.save(article);
articleRepository.save(article);
article = new Article("Search engines");
article.setAuthors(asList(johnDoe));
article.setTags("search engines", "tutorial");
articleService.save(article);
articleRepository.save(article);
article = new Article("Second Article About Elasticsearch");
article.setAuthors(asList(johnSmith));
article.setTags("elasticsearch", "spring data");
articleService.save(article);
articleRepository.save(article);
article = new Article("Elasticsearch Tutorial");
article.setAuthors(asList(johnDoe));
article.setTags("elasticsearch");
articleService.save(article);
articleRepository.save(article);
}
@After
public void after() {
articleRepository.deleteAll();
}
@Test
@ -81,82 +84,85 @@ public class ElasticSearchManualTest {
Article article = new Article("Making Search Elastic");
article.setAuthors(authors);
article = articleService.save(article);
article = articleRepository.save(article);
assertNotNull(article.getId());
}
@Test
public void givenPersistedArticles_whenSearchByAuthorsName_thenRightFound() {
final Page<Article> articleByAuthorName = articleService
.findByAuthorName(johnSmith.getName(), PageRequest.of(0, 10));
final Page<Article> articleByAuthorName = articleRepository.findByAuthorsName(johnSmith.getName(), PageRequest.of(0, 10));
assertEquals(2L, articleByAuthorName.getTotalElements());
}
@Test
public void givenCustomQuery_whenSearchByAuthorsName_thenArticleIsFound() {
final Page<Article> articleByAuthorName = articleService.findByAuthorNameUsingCustomQuery("Smith", PageRequest.of(0, 10));
final Page<Article> articleByAuthorName = articleRepository.findByAuthorsNameUsingCustomQuery("Smith", PageRequest.of(0, 10));
assertEquals(2L, articleByAuthorName.getTotalElements());
}
@Test
public void givenTagFilterQuery_whenSearchByTag_thenArticleIsFound() {
final Page<Article> articleByAuthorName = articleService.findByFilteredTagQuery("elasticsearch", PageRequest.of(0, 10));
final Page<Article> articleByAuthorName = articleRepository.findByFilteredTagQuery("elasticsearch", PageRequest.of(0, 10));
assertEquals(3L, articleByAuthorName.getTotalElements());
}
@Test
public void givenTagFilterQuery_whenSearchByAuthorsName_thenArticleIsFound() {
final Page<Article> articleByAuthorName = articleService.findByAuthorsNameAndFilteredTagQuery("Doe", "elasticsearch", PageRequest.of(0, 10));
final Page<Article> articleByAuthorName = articleRepository.findByAuthorsNameAndFilteredTagQuery("Doe", "elasticsearch", PageRequest.of(0, 10));
assertEquals(2L, articleByAuthorName.getTotalElements());
}
@Test
public void givenPersistedArticles_whenUseRegexQuery_thenRightArticlesFound() {
final SearchQuery searchQuery = new NativeSearchQueryBuilder().withFilter(regexpQuery("title", ".*data.*"))
final Query searchQuery = new NativeSearchQueryBuilder().withFilter(regexpQuery("title", ".*data.*"))
.build();
final List<Article> articles = elasticsearchTemplate.queryForList(searchQuery, Article.class);
assertEquals(1, articles.size());
final SearchHits<Article> articles = elasticsearchTemplate.search(searchQuery, Article.class, IndexCoordinates.of("blog"));
assertEquals(1, articles.getTotalHits());
}
@Test
public void givenSavedDoc_whenTitleUpdated_thenCouldFindByUpdatedTitle() {
final SearchQuery searchQuery = new NativeSearchQueryBuilder().withQuery(fuzzyQuery("title", "serch")).build();
final List<Article> articles = elasticsearchTemplate.queryForList(searchQuery, Article.class);
final Query searchQuery = new NativeSearchQueryBuilder().withQuery(fuzzyQuery("title", "serch"))
.build();
final SearchHits<Article> articles = elasticsearchTemplate.search(searchQuery, Article.class, IndexCoordinates.of("blog"));
assertEquals(1, articles.size());
assertEquals(1, articles.getTotalHits());
final Article article = articles.get(0);
final Article article = articles.getSearchHit(0)
.getContent();
final String newTitle = "Getting started with Search Engines";
article.setTitle(newTitle);
articleService.save(article);
articleRepository.save(article);
assertEquals(newTitle, articleService.findOne(article.getId()).get().getTitle());
assertEquals(newTitle, articleRepository.findById(article.getId())
.get()
.getTitle());
}
@Test
public void givenSavedDoc_whenDelete_thenRemovedFromIndex() {
final String articleTitle = "Spring Data Elasticsearch";
final SearchQuery searchQuery = new NativeSearchQueryBuilder()
.withQuery(matchQuery("title", articleTitle).minimumShouldMatch("75%")).build();
final List<Article> articles = elasticsearchTemplate.queryForList(searchQuery, Article.class);
assertEquals(1, articles.size());
final long count = articleService.count();
final Query searchQuery = new NativeSearchQueryBuilder().withQuery(matchQuery("title", articleTitle).minimumShouldMatch("75%"))
.build();
final SearchHits<Article> articles = elasticsearchTemplate.search(searchQuery, Article.class, IndexCoordinates.of("blog"));
articleService.delete(articles.get(0));
assertEquals(1, articles.getTotalHits());
final long count = articleRepository.count();
assertEquals(count - 1, articleService.count());
articleRepository.delete(articles.getSearchHit(0)
.getContent());
assertEquals(count - 1, articleRepository.count());
}
@Test
public void givenSavedDoc_whenOneTermMatches_thenFindByTitle() {
final SearchQuery searchQuery = new NativeSearchQueryBuilder()
.withQuery(matchQuery("title", "Search engines").operator(AND)).build();
final List<Article> articles = elasticsearchTemplate.queryForList(searchQuery, Article.class);
assertEquals(1, articles.size());
final Query searchQuery = new NativeSearchQueryBuilder().withQuery(matchQuery("title", "Search engines").operator(AND))
.build();
final SearchHits<Article> articles = elasticsearchTemplate.search(searchQuery, Article.class, IndexCoordinates.of("blog"));
assertEquals(1, articles.getTotalHits());
}
}

196
persistence-modules/spring-data-elasticsearch/src/test/java/com/baeldung/spring/data/es/ElasticSearchQueryManualTest.java
View File

@ -2,7 +2,6 @@ package com.baeldung.spring.data.es;
import static java.util.Arrays.asList;
import static java.util.stream.Collectors.toList;
import static org.elasticsearch.index.query.Operator.AND;
import static org.elasticsearch.index.query.QueryBuilders.boolQuery;
import static org.elasticsearch.index.query.QueryBuilders.matchPhraseQuery;
import static org.elasticsearch.index.query.QueryBuilders.matchQuery;
@ -14,142 +13,164 @@ import static org.junit.Assert.assertEquals;
import java.util.List;
import java.util.Map;
import com.baeldung.spring.data.es.config.Config;
import com.baeldung.spring.data.es.model.Article;
import com.baeldung.spring.data.es.model.Author;
import com.baeldung.spring.data.es.repository.ArticleRepository;
import org.apache.lucene.search.join.ScoreMode;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.unit.Fuzziness;
import org.elasticsearch.index.query.MultiMatchQueryBuilder;
import org.elasticsearch.index.query.Operator;
import org.elasticsearch.index.query.QueryBuilder;
import org.elasticsearch.search.aggregations.Aggregation;
import org.elasticsearch.search.aggregations.AggregationBuilders;
import org.elasticsearch.search.aggregations.BucketOrder;
import org.elasticsearch.search.aggregations.bucket.MultiBucketsAggregation;
import org.elasticsearch.search.aggregations.bucket.terms.StringTerms;
import org.elasticsearch.search.aggregations.bucket.terms.Terms;
import org.elasticsearch.search.aggregations.bucket.terms.ParsedStringTerms;
import org.elasticsearch.search.aggregations.bucket.terms.TermsAggregationBuilder;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.elasticsearch.core.ElasticsearchTemplate;
import org.springframework.data.elasticsearch.core.ElasticsearchRestTemplate;
import org.springframework.data.elasticsearch.core.SearchHits;
import org.springframework.data.elasticsearch.core.mapping.IndexCoordinates;
import org.springframework.data.elasticsearch.core.query.NativeSearchQuery;
import org.springframework.data.elasticsearch.core.query.NativeSearchQueryBuilder;
import org.springframework.data.elasticsearch.core.query.SearchQuery;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import com.baeldung.spring.data.es.config.Config;
import com.baeldung.spring.data.es.model.Article;
import com.baeldung.spring.data.es.model.Author;
import com.baeldung.spring.data.es.service.ArticleService;
/**
* This Manual test requires: Elasticsearch instance running on localhost:9200.
*
* This Manual test requires:
* * Elasticsearch instance running on host
* * with cluster name = elasticsearch
*
* The following docker command can be used: docker run -d --name es762 -p
* 9200:9200 -e "discovery.type=single-node" elasticsearch:7.6.2
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = Config.class)
public class ElasticSearchQueryManualTest {
@Autowired
private ElasticsearchTemplate elasticsearchTemplate;
private ElasticsearchRestTemplate elasticsearchTemplate;
@Autowired
private ArticleService articleService;
private ArticleRepository articleRepository;
@Autowired
private Client client;
private RestHighLevelClient client;
private final Author johnSmith = new Author("John Smith");
private final Author johnDoe = new Author("John Doe");
@Before
public void before() {
elasticsearchTemplate.deleteIndex(Article.class);
elasticsearchTemplate.createIndex(Article.class);
elasticsearchTemplate.putMapping(Article.class);
elasticsearchTemplate.refresh(Article.class);
Article article = new Article("Spring Data Elasticsearch");
article.setAuthors(asList(johnSmith, johnDoe));
article.setTags("elasticsearch", "spring data");
articleService.save(article);
articleRepository.save(article);
article = new Article("Search engines");
article.setAuthors(asList(johnDoe));
article.setTags("search engines", "tutorial");
articleService.save(article);
articleRepository.save(article);
article = new Article("Second Article About Elasticsearch");
article.setAuthors(asList(johnSmith));
article.setTags("elasticsearch", "spring data");
articleService.save(article);
articleRepository.save(article);
article = new Article("Elasticsearch Tutorial");
article.setAuthors(asList(johnDoe));
article.setTags("elasticsearch");
articleService.save(article);
articleRepository.save(article);
}
@After
public void after() {
articleRepository.deleteAll();
}
@Test
public void givenFullTitle_whenRunMatchQuery_thenDocIsFound() {
final SearchQuery searchQuery = new NativeSearchQueryBuilder()
.withQuery(matchQuery("title", "Search engines").operator(AND)).build();
final List<Article> articles = elasticsearchTemplate.queryForList(searchQuery, Article.class);
assertEquals(1, articles.size());
final NativeSearchQuery searchQuery = new NativeSearchQueryBuilder().withQuery(matchQuery("title", "Search engines").operator(Operator.AND))
.build();
final SearchHits<Article> articles = elasticsearchTemplate.search(searchQuery, Article.class, IndexCoordinates.of("blog"));
assertEquals(1, articles.getTotalHits());
}
@Test
public void givenOneTermFromTitle_whenRunMatchQuery_thenDocIsFound() {
final SearchQuery searchQuery = new NativeSearchQueryBuilder()
.withQuery(matchQuery("title", "Engines Solutions")).build();
final List<Article> articles = elasticsearchTemplate.queryForList(searchQuery, Article.class);
assertEquals(1, articles.size());
assertEquals("Search engines", articles.get(0).getTitle());
final NativeSearchQuery searchQuery = new NativeSearchQueryBuilder().withQuery(matchQuery("title", "Engines Solutions"))
.build();
final SearchHits<Article> articles = elasticsearchTemplate.search(searchQuery, Article.class, IndexCoordinates.of("blog"));
assertEquals(1, articles.getTotalHits());
assertEquals("Search engines", articles.getSearchHit(0)
.getContent()
.getTitle());
}
@Test
public void givenPartTitle_whenRunMatchQuery_thenDocIsFound() {
final SearchQuery searchQuery = new NativeSearchQueryBuilder()
.withQuery(matchQuery("title", "elasticsearch data")).build();
final List<Article> articles = elasticsearchTemplate.queryForList(searchQuery, Article.class);
assertEquals(3, articles.size());
final NativeSearchQuery searchQuery = new NativeSearchQueryBuilder().withQuery(matchQuery("title", "elasticsearch data"))
.build();
final SearchHits<Article> articles = elasticsearchTemplate.search(searchQuery, Article.class, IndexCoordinates.of("blog"));
assertEquals(3, articles.getTotalHits());
}
@Test
public void givenFullTitle_whenRunMatchQueryOnVerbatimField_thenDocIsFound() {
SearchQuery searchQuery = new NativeSearchQueryBuilder()
.withQuery(matchQuery("title.verbatim", "Second Article About Elasticsearch")).build();
List<Article> articles = elasticsearchTemplate.queryForList(searchQuery, Article.class);
assertEquals(1, articles.size());
NativeSearchQuery searchQuery = new NativeSearchQueryBuilder().withQuery(matchQuery("title.verbatim", "Second Article About Elasticsearch"))
.build();
SearchHits<Article> articles = elasticsearchTemplate.search(searchQuery, Article.class, IndexCoordinates.of("blog"));
assertEquals(1, articles.getTotalHits());
searchQuery = new NativeSearchQueryBuilder().withQuery(matchQuery("title.verbatim", "Second Article About"))
.build();
articles = elasticsearchTemplate.queryForList(searchQuery, Article.class);
assertEquals(0, articles.size());
articles = elasticsearchTemplate.search(searchQuery, Article.class, IndexCoordinates.of("blog"));
assertEquals(0, articles.getTotalHits());
}
@Test
public void givenNestedObject_whenQueryByAuthorsName_thenFoundArticlesByThatAuthor() {
final QueryBuilder builder = nestedQuery("authors", boolQuery().must(termQuery("authors.name", "smith")), ScoreMode.None);
final SearchQuery searchQuery = new NativeSearchQueryBuilder().withQuery(builder).build();
final List<Article> articles = elasticsearchTemplate.queryForList(searchQuery, Article.class);
final NativeSearchQuery searchQuery = new NativeSearchQueryBuilder().withQuery(builder)
.build();
final SearchHits<Article> articles = elasticsearchTemplate.search(searchQuery, Article.class, IndexCoordinates.of("blog"));
assertEquals(2, articles.size());
assertEquals(2, articles.getTotalHits());
}
@Test
public void givenAnalyzedQuery_whenMakeAggregationOnTermCount_thenEachTokenCountsSeparately() {
final TermsAggregationBuilder aggregation = AggregationBuilders.terms("top_tags").field("title");
final SearchResponse response = client.prepareSearch("blog").setTypes("article").addAggregation(aggregation)
.execute().actionGet();
public void givenAnalyzedQuery_whenMakeAggregationOnTermCount_thenEachTokenCountsSeparately() throws Exception {
final TermsAggregationBuilder aggregation = AggregationBuilders.terms("top_tags")
.field("title");
final Map<String, Aggregation> results = response.getAggregations().asMap();
final StringTerms topTags = (StringTerms) results.get("top_tags");
final SearchSourceBuilder builder = new SearchSourceBuilder().aggregation(aggregation);
final SearchRequest searchRequest = new SearchRequest("blog").source(builder);
final List<String> keys = topTags.getBuckets().stream()
final SearchResponse response = client.search(searchRequest, RequestOptions.DEFAULT);
final Map<String, Aggregation> results = response.getAggregations()
.asMap();
final ParsedStringTerms topTags = (ParsedStringTerms) results.get("top_tags");
final List<String> keys = topTags.getBuckets()
.stream()
.map(MultiBucketsAggregation.Bucket::getKeyAsString)
.sorted()
.collect(toList());
@ -157,16 +178,23 @@ public class ElasticSearchQueryManualTest {
}
@Test
public void givenNotAnalyzedQuery_whenMakeAggregationOnTermCount_thenEachTermCountsIndividually() {
final TermsAggregationBuilder aggregation = AggregationBuilders.terms("top_tags").field("tags")
.order(Terms.Order.count(false));
final SearchResponse response = client.prepareSearch("blog").setTypes("article").addAggregation(aggregation)
.execute().actionGet();
public void givenNotAnalyzedQuery_whenMakeAggregationOnTermCount_thenEachTermCountsIndividually() throws Exception {
final TermsAggregationBuilder aggregation = AggregationBuilders.terms("top_tags")
.field("tags")
.order(BucketOrder.count(false));
final Map<String, Aggregation> results = response.getAggregations().asMap();
final StringTerms topTags = (StringTerms) results.get("top_tags");
final SearchSourceBuilder builder = new SearchSourceBuilder().aggregation(aggregation);
final SearchRequest searchRequest = new SearchRequest().indices("blog")
.source(builder);
final List<String> keys = topTags.getBuckets().stream()
final SearchResponse response = client.search(searchRequest, RequestOptions.DEFAULT);
final Map<String, Aggregation> results = response.getAggregations()
.asMap();
final ParsedStringTerms topTags = (ParsedStringTerms) results.get("top_tags");
final List<String> keys = topTags.getBuckets()
.stream()
.map(MultiBucketsAggregation.Bucket::getKeyAsString)
.collect(toList());
assertEquals(asList("elasticsearch", "spring data", "search engines", "tutorial"), keys);
@ -174,30 +202,36 @@ public class ElasticSearchQueryManualTest {
@Test
public void givenNotExactPhrase_whenUseSlop_thenQueryMatches() {
final SearchQuery searchQuery = new NativeSearchQueryBuilder()
.withQuery(matchPhraseQuery("title", "spring elasticsearch").slop(1)).build();
final List<Article> articles = elasticsearchTemplate.queryForList(searchQuery, Article.class);
assertEquals(1, articles.size());
final NativeSearchQuery searchQuery = new NativeSearchQueryBuilder().withQuery(matchPhraseQuery("title", "spring elasticsearch").slop(1))
.build();
final SearchHits<Article> articles = elasticsearchTemplate.search(searchQuery, Article.class, IndexCoordinates.of("blog"));
assertEquals(1, articles.getTotalHits());
}
@Test
public void givenPhraseWithType_whenUseFuzziness_thenQueryMatches() {
final SearchQuery searchQuery = new NativeSearchQueryBuilder()
.withQuery(matchQuery("title", "spring date elasticserch").operator(AND).fuzziness(Fuzziness.ONE)
.prefixLength(3)).build();
final NativeSearchQuery searchQuery = new NativeSearchQueryBuilder().withQuery(matchQuery("title", "spring date elasticserch").operator(Operator.AND)
.fuzziness(Fuzziness.ONE)
.prefixLength(3))
.build();
final List<Article> articles = elasticsearchTemplate.queryForList(searchQuery, Article.class);
assertEquals(1, articles.size());
final SearchHits<Article> articles = elasticsearchTemplate.search(searchQuery, Article.class, IndexCoordinates.of("blog"));
assertEquals(1, articles.getTotalHits());
}
@Test
public void givenMultimatchQuery_whenDoSearch_thenAllProvidedFieldsMatch() {
final SearchQuery searchQuery = new NativeSearchQueryBuilder()
.withQuery(multiMatchQuery("tutorial").field("title").field("tags")
.type(MultiMatchQueryBuilder.Type.BEST_FIELDS)).build();
final NativeSearchQuery searchQuery = new NativeSearchQueryBuilder().withQuery(multiMatchQuery("tutorial").field("title")
.field("tags")
.type(MultiMatchQueryBuilder.Type.BEST_FIELDS))
.build();
final List<Article> articles = elasticsearchTemplate.queryForList(searchQuery, Article.class);
assertEquals(2, articles.size());
final SearchHits<Article> articles = elasticsearchTemplate.search(searchQuery, Article.class, IndexCoordinates.of("blog"));
assertEquals(2, articles.getTotalHits());
}
@Test
@ -205,10 +239,10 @@ public class ElasticSearchQueryManualTest {
final QueryBuilder builder = boolQuery().must(nestedQuery("authors", boolQuery().must(termQuery("authors.name", "doe")), ScoreMode.None))
.filter(termQuery("tags", "elasticsearch"));
final SearchQuery searchQuery = new NativeSearchQueryBuilder().withQuery(builder)
final NativeSearchQuery searchQuery = new NativeSearchQueryBuilder().withQuery(builder)
.build();
final List<Article> articles = elasticsearchTemplate.queryForList(searchQuery, Article.class);
final SearchHits<Article> articles = elasticsearchTemplate.search(searchQuery, Article.class, IndexCoordinates.of("blog"));
assertEquals(2, articles.size());
assertEquals(2, articles.getTotalHits());
}
}

38
persistence-modules/spring-data-jpa-5/pom.xml
View File

@ -1,6 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>spring-data-jpa-5</artifactId>
<name>spring-data-jpa-5</name>
@ -28,10 +29,43 @@
<artifactId>spring-boot-starter-data-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-cache</artifactId>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
</dependency>
</dependencies>
</project>
<dependency>
<groupId>org.mapstruct</groupId>
<artifactId>mapstruct-jdk8</artifactId>
<version>1.3.1.Final</version>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<sourceDirectory>src/main/java</sourceDirectory>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<annotationProcessorPaths>
<path>
<groupId>org.mapstruct</groupId>
<artifactId>mapstruct-processor</artifactId>
<version>1.3.1.Final</version>
</path>
</annotationProcessorPaths>
</configuration>
</plugin>
</plugins>
</build>
</project>

12
persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/partialupdate/PartialUpdateApplication.java Normal file
View File

@ -0,0 +1,12 @@
package com.baeldung.partialupdate;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class PartialUpdateApplication {
public static void main(String[] args) {
SpringApplication.run(PartialUpdateApplication.class, args);
}
}

22
persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/partialupdate/model/ContactPhone.java Normal file
View File

@ -0,0 +1,22 @@
package com.baeldung.partialupdate.model;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
@Entity
public class ContactPhone {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
public long id;
@Column(nullable=false)
public long customerId;
public String phone;
@Override
public String toString() {
return phone;
}
}

23
persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/partialupdate/model/Customer.java Normal file
View File

@ -0,0 +1,23 @@
package com.baeldung.partialupdate.model;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
@Entity
public class Customer {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
public long id;
public String name;
public String phone;
//...
public String phone99;
@Override public String toString() {
return String.format("Customer %s, Phone: %s",
this.name, this.phone);
}
}

31
persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/partialupdate/model/CustomerDto.java Normal file
View File

@ -0,0 +1,31 @@
package com.baeldung.partialupdate.model;
public class CustomerDto {
private long id;
public String name;
public String phone;
//...
private String phone99;
public CustomerDto(long id) {
this.id = id;
}
public CustomerDto(Customer c) {
this.id = c.id;
this.name = c.name;
this.phone = c.phone;
}
public long getId() {
return this.id;
}
public Customer convertToEntity() {
Customer c = new Customer();
c.id = id;
c.name = name;
c.phone = phone;
return c;
}
}

27
persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/partialupdate/model/CustomerStructured.java Normal file
View File

@ -0,0 +1,27 @@
package com.baeldung.partialupdate.model;
import java.util.List;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
@Entity
public class CustomerStructured {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
public long id;
public String name;
@OneToMany(fetch = FetchType.EAGER, targetEntity = ContactPhone.class, mappedBy = "customerId")
public List<ContactPhone> contactPhones;
@Override public String toString() {
return String.format("Customer %s, Phone: %s",
this.name, this.contactPhones.stream()
.map(e -> e.toString()).reduce("", String::concat));
}
}

12
persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/partialupdate/repository/ContactPhoneRepository.java Normal file
View File

@ -0,0 +1,12 @@
package com.baeldung.partialupdate.repository;
import org.springframework.data.repository.CrudRepository;
import org.springframework.stereotype.Repository;
import com.baeldung.partialupdate.model.ContactPhone;
@Repository
public interface ContactPhoneRepository extends CrudRepository<ContactPhone, Long> {
ContactPhone findById(long id);
ContactPhone findByCustomerId(long id);
}

18
persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/partialupdate/repository/CustomerRepository.java Normal file
View File

@ -0,0 +1,18 @@
package com.baeldung.partialupdate.repository;
import org.springframework.data.jpa.repository.Modifying;
import org.springframework.data.jpa.repository.Query;
import org.springframework.data.repository.CrudRepository;
import org.springframework.data.repository.query.Param;
import org.springframework.stereotype.Repository;
import com.baeldung.partialupdate.model.Customer;
@Repository
public interface CustomerRepository extends CrudRepository<Customer, Long> {
Customer findById(long id);
@Modifying
@Query("update Customer u set u.phone = :phone where u.id = :id")
void updatePhone(@Param(value = "id") long id, @Param(value = "phone") String phone);
}

11
persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/partialupdate/repository/CustomerStructuredRepository.java Normal file
View File

@ -0,0 +1,11 @@
package com.baeldung.partialupdate.repository;
import org.springframework.data.repository.CrudRepository;
import org.springframework.stereotype.Repository;
import com.baeldung.partialupdate.model.CustomerStructured;
@Repository
public interface CustomerStructuredRepository extends CrudRepository<CustomerStructured, Long> {
CustomerStructured findById(long id);
}

87
persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/partialupdate/service/CustomerService.java Normal file
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@ -0,0 +1,87 @@
package com.baeldung.partialupdate.service;
import javax.transaction.Transactional;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.baeldung.partialupdate.model.ContactPhone;
import com.baeldung.partialupdate.model.Customer;
import com.baeldung.partialupdate.model.CustomerDto;
import com.baeldung.partialupdate.model.CustomerStructured;
import com.baeldung.partialupdate.repository.ContactPhoneRepository;
import com.baeldung.partialupdate.repository.CustomerRepository;
import com.baeldung.partialupdate.repository.CustomerStructuredRepository;
import com.baeldung.partialupdate.util.CustomerMapper;
@Service
@Transactional
public class CustomerService {
@Autowired
CustomerRepository repo;
@Autowired
CustomerStructuredRepository repo2;
@Autowired
ContactPhoneRepository repo3;
@Autowired
CustomerMapper mapper;
public Customer getCustomer(long id) {
return repo.findById(id);
}
public void updateCustomerWithCustomQuery(long id, String phone) {
repo.updatePhone(id, phone);
}
public Customer addCustomer(String name) {
Customer myCustomer = new Customer();
myCustomer.name = name;
repo.save(myCustomer);
return myCustomer;
}
public Customer updateCustomer(long id, String phone) {
Customer myCustomer = repo.findById(id);
myCustomer.phone = phone;
repo.save(myCustomer);
return myCustomer;
}
public Customer addCustomer(CustomerDto dto) {
Customer myCustomer = new Customer();
mapper.updateCustomerFromDto(dto, myCustomer);
repo.save(myCustomer);
return myCustomer;
}
public Customer updateCustomer(CustomerDto dto) {
Customer myCustomer = repo.findById(dto.getId());
mapper.updateCustomerFromDto(dto, myCustomer);
repo.save(myCustomer);
return myCustomer;
}
public CustomerStructured addCustomerStructured(String name) {
CustomerStructured myCustomer = new CustomerStructured();
myCustomer.name = name;
repo2.save(myCustomer);
return myCustomer;
}
public void addCustomerPhone(long customerId, String phone) {
ContactPhone myPhone = new ContactPhone();
myPhone.phone = phone;
myPhone.customerId = customerId;
repo3.save(myPhone);
}
public CustomerStructured updateCustomerStructured(long id, String name) {
CustomerStructured myCustomer = repo2.findById(id);
myCustomer.name = name;
repo2.save(myCustomer);
return myCustomer;
}
}

15
persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/partialupdate/util/CustomerMapper.java Normal file
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@ -0,0 +1,15 @@
package com.baeldung.partialupdate.util;
import org.mapstruct.BeanMapping;
import org.mapstruct.Mapper;
import org.mapstruct.MappingTarget;
import org.mapstruct.NullValuePropertyMappingStrategy;
import com.baeldung.partialupdate.model.Customer;
import com.baeldung.partialupdate.model.CustomerDto;
@Mapper(componentModel = "spring")
public interface CustomerMapper {
@BeanMapping(nullValuePropertyMappingStrategy = NullValuePropertyMappingStrategy.IGNORE)
void updateCustomerFromDto(CustomerDto dto, @MappingTarget Customer entity);
}

63
persistence-modules/spring-data-jpa-5/src/test/java/com/baeldung/partialupdate/PartialUpdateUnitTest.java Normal file
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@ -0,0 +1,63 @@
package com.baeldung.partialupdate;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import com.baeldung.partialupdate.model.Customer;
import com.baeldung.partialupdate.model.CustomerDto;
import com.baeldung.partialupdate.model.CustomerStructured;
import com.baeldung.partialupdate.service.CustomerService;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = PartialUpdateApplication.class)
public class PartialUpdateUnitTest {
@Autowired
CustomerService service;
@Test
public void givenCustomer_whenUpdate_thenSuccess() {
Customer myCustomer = service.addCustomer("John");
myCustomer = service.updateCustomer(myCustomer.id, "+00");
assertEquals("+00", myCustomer.phone);
}
@Test
public void givenCustomer_whenUpdateWithQuery_thenSuccess() {
Customer myCustomer = service.addCustomer("John");
service.updateCustomerWithCustomQuery(myCustomer.id, "+88");
myCustomer = service.getCustomer(myCustomer.id);
assertEquals("+88", myCustomer.phone);
}
@Test
public void givenCustomerDto_whenUpdateWithMapper_thenSuccess() {
CustomerDto dto = new CustomerDto(new Customer());
dto.name = "Johnny";
Customer entity = service.addCustomer(dto);
CustomerDto dto2 = new CustomerDto(entity.id);
dto2.phone = "+44";
entity = service.updateCustomer(dto2);
assertEquals("Johnny", entity.name);
}
@Test
public void givenCustomerStructured_whenUpdateCustomerPhone_thenSuccess() {
CustomerStructured myCustomer = service.addCustomerStructured("John");
assertEquals(null, myCustomer.contactPhones);
service.addCustomerPhone(myCustomer.id, "+44");
myCustomer = service.updateCustomerStructured(myCustomer.id, "Mr. John");
assertNotEquals(null, myCustomer.contactPhones);
assertEquals(1, myCustomer.contactPhones.size());
}
}

2
persistence-modules/spring-data-redis/README.md
View File

@ -4,7 +4,6 @@
- [Introduction to Spring Data Redis](https://www.baeldung.com/spring-data-redis-tutorial)
- [PubSub Messaging with Spring Data Redis](https://www.baeldung.com/spring-data-redis-pub-sub)
- [An Introduction to Spring Data Redis Reactive](https://www.baeldung.com/spring-data-redis-reactive)
- [Delete Everything in Redis](https://www.baeldung.com/redis-delete-data)
### Build the Project with Tests Running
```
@ -15,4 +14,3 @@ mvn clean install
```
mvn test
```

12
persistence-modules/spring-data-redis/src/main/java/com/baeldung/spring/data/redis/config/RedisConfig.java
View File

@ -36,18 +36,6 @@ public class RedisConfig {
return template;
}
@Bean
public LettuceConnectionFactory lettuceConnectionFactory() {
return new LettuceConnectionFactory();
}
@Bean(name = "flushRedisTemplate")
public RedisTemplate<String, String> flushRedisTemplate() {
RedisTemplate<String, String> template = new RedisTemplate<>();
template.setConnectionFactory(lettuceConnectionFactory());
return template;
}
@Bean
MessageListenerAdapter messageListener() {
return new MessageListenerAdapter(new RedisMessageSubscriber());

92
persistence-modules/spring-data-redis/src/test/java/com/baeldung/spring/data/redis/delete/RedisFlushDatabaseIntegrationTest.java
View File

@ -1,92 +0,0 @@
package com.baeldung.spring.data.redis.delete;
import static org.assertj.core.api.Assertions.assertThat;
import java.io.IOException;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.dao.DataAccessException;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.core.RedisCallback;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.annotation.DirtiesContext.ClassMode;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import com.baeldung.spring.data.redis.config.RedisConfig;
import redis.embedded.RedisServer;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = { RedisConfig.class })
@DirtiesContext(classMode = ClassMode.BEFORE_CLASS)
public class RedisFlushDatabaseIntegrationTest {
private RedisServer redisServer;
@Autowired
@Qualifier("flushRedisTemplate")
private RedisTemplate<String, String> flushRedisTemplate;
@Before
public void setup() throws IOException {
redisServer = new RedisServer(6390);
redisServer.start();
}
@After
public void tearDown() {
redisServer.stop();
}
@Test
public void whenFlushDB_thenAllKeysInDatabaseAreCleared() {
ValueOperations<String, String> simpleValues = flushRedisTemplate.opsForValue();
String key = "key";
String value = "value";
simpleValues.set(key, value);
assertThat(simpleValues.get(key)).isEqualTo(value);
flushRedisTemplate.execute(new RedisCallback<Void>() {
@Override
public Void doInRedis(RedisConnection connection) throws DataAccessException {
connection.flushDb();
return null;
}
});
assertThat(simpleValues.get(key)).isNull();
}
@Test
public void whenFlushAll_thenAllKeysInDatabasesAreCleared() {
ValueOperations<String, String> simpleValues = flushRedisTemplate.opsForValue();
String key = "key";
String value = "value";
simpleValues.set(key, value);
assertThat(simpleValues.get(key)).isEqualTo(value);
flushRedisTemplate.execute(new RedisCallback<Void>() {
@Override
public Void doInRedis(RedisConnection connection) throws DataAccessException {
connection.flushAll();
return null;
}
});
assertThat(simpleValues.get(key)).isNull();
}
}

2
pom.xml
View File

@ -513,6 +513,7 @@
<module>libraries-rpc</module>
<module>libraries-security</module>
<module>libraries-server</module>
<module>libraries-server-2</module>
<module>libraries-testing</module>
<module>linkrest</module>
<module>logging-modules</module>
@ -1032,6 +1033,7 @@
<module>libraries-primitive</module>
<module>libraries-security</module>
<module>libraries-server</module>
<module>libraries-server-2</module>
<module>libraries-testing</module>
<module>linkrest</module>
<module>logging-modules</module>

5
spring-5-mvc/pom.xml
View File

@ -42,11 +42,6 @@
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
</dependency>
<dependency>
<groupId>net.bytebuddy</groupId>
<artifactId>byte-buddy</artifactId>
<version>${byte-buddy.version}</version>
</dependency>
<!--kotlin deps -->
<dependency>
<groupId>org.jetbrains.kotlin</groupId>

5
spring-boot-groovy/pom.xml
View File

@ -41,11 +41,6 @@
<artifactId>h2</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>net.bytebuddy</groupId>
<artifactId>byte-buddy-dep</artifactId>
<version>1.10.9</version>
</dependency>
</dependencies>
<build>

1
spring-boot-modules/pom.xml
View File

@ -15,6 +15,7 @@
<modules>
<module>spring-boot</module>
<module>spring-boot-1</module>
<module>spring-boot-admin</module>
<module>spring-boot-angular</module>
<module>spring-boot-annotations</module>

1
spring-boot-modules/spring-boot-1/.mvn/wrapper/maven-wrapper.properties vendored Normal file
View File

@ -0,0 +1 @@
distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.2/apache-maven-3.5.2-bin.zip

6
spring-boot-modules/spring-boot-1/README.md Normal file
View File

@ -0,0 +1,6 @@
## Spring Boot 1.x Actuator
This module contains articles about Spring Boot Actuator in Spring Boot version 1.x.
## Relevant articles:
- [Spring Boot Actuator](https://www.baeldung.com/spring-boot-actuators)

234
spring-boot-modules/spring-boot-1/mvnw vendored Executable file
View File

@ -0,0 +1,234 @@
#!/bin/sh
# ----------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# ----------------------------------------------------------------------------
# ----------------------------------------------------------------------------
# Maven2 Start Up Batch script
#
# Required ENV vars:
# ------------------
# JAVA_HOME - location of a JDK home dir
#
# Optional ENV vars
# -----------------
# M2_HOME - location of maven2's installed home dir
# MAVEN_OPTS - parameters passed to the Java VM when running Maven
# e.g. to debug Maven itself, use
# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
# ----------------------------------------------------------------------------
if [ -z "$MAVEN_SKIP_RC" ]; then
if [ -f /etc/mavenrc ]; then
. /etc/mavenrc
fi
if [ -f "$HOME/.mavenrc" ]; then
. "$HOME/.mavenrc"
fi
fi
# OS specific support. $var _must_ be set to either true or false.
cygwin=false
darwin=false
mingw=false
case "$(uname)" in
CYGWIN*) cygwin=true ;;
MINGW*) mingw=true ;;
Darwin*)
darwin=true
# Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
# See https://developer.apple.com/library/mac/qa/qa1170/_index.html
if [ -z "$JAVA_HOME" ]; then
if [ -x "/usr/libexec/java_home" ]; then
export JAVA_HOME="$(/usr/libexec/java_home)"
else
export JAVA_HOME="/Library/Java/Home"
fi
fi
;;
esac
if [ -z "$JAVA_HOME" ]; then
if [ -r /etc/gentoo-release ]; then
JAVA_HOME=$(java-config --jre-home)
fi
fi
if [ -z "$M2_HOME" ]; then
## resolve links - $0 may be a link to maven's home
PRG="$0"
# need this for relative symlinks
while [ -h "$PRG" ]; do
ls=$(ls -ld "$PRG")
link=$(expr "$ls" : '.*-> \(.*\)$')
if expr "$link" : '/.*' >/dev/null; then
PRG="$link"
else
PRG="$(dirname "$PRG")/$link"
fi
done
saveddir=$(pwd)
M2_HOME=$(dirname "$PRG")/..
# make it fully qualified
M2_HOME=$(cd "$M2_HOME" && pwd)
cd "$saveddir"
# echo Using m2 at $M2_HOME
fi
# For Cygwin, ensure paths are in UNIX format before anything is touched
if $cygwin; then
[ -n "$M2_HOME" ] &&
M2_HOME=$(cygpath --unix "$M2_HOME")
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=$(cygpath --unix "$JAVA_HOME")
[ -n "$CLASSPATH" ] &&
CLASSPATH=$(cygpath --path --unix "$CLASSPATH")
fi
# For Migwn, ensure paths are in UNIX format before anything is touched
if $mingw; then
[ -n "$M2_HOME" ] &&
M2_HOME="$( (
cd "$M2_HOME"
pwd
))"
[ -n "$JAVA_HOME" ] &&
JAVA_HOME="$( (
cd "$JAVA_HOME"
pwd
))"
# TODO classpath?
fi
if [ -z "$JAVA_HOME" ]; then
javaExecutable="$(which javac)"
if [ -n "$javaExecutable" ] && ! [ "$(expr \"$javaExecutable\" : '\([^ ]*\)')" = "no" ]; then
# readlink(1) is not available as standard on Solaris 10.
readLink=$(which readlink)
if [ ! $(expr "$readLink" : '\([^ ]*\)') = "no" ]; then
if $darwin; then
javaHome="$(dirname \"$javaExecutable\")"
javaExecutable="$(cd \"$javaHome\" && pwd -P)/javac"
else
javaExecutable="$(readlink -f \"$javaExecutable\")"
fi
javaHome="$(dirname \"$javaExecutable\")"
javaHome=$(expr "$javaHome" : '\(.*\)/bin')
JAVA_HOME="$javaHome"
export JAVA_HOME
fi
fi
fi
if [ -z "$JAVACMD" ]; then
if [ -n "$JAVA_HOME" ]; then
if [ -x "$JAVA_HOME/jre/sh/java" ]; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
else
JAVACMD="$(which java)"
fi
fi
if [ ! -x "$JAVACMD" ]; then
echo "Error: JAVA_HOME is not defined correctly." >&2
echo " We cannot execute $JAVACMD" >&2
exit 1
fi
if [ -z "$JAVA_HOME" ]; then
echo "Warning: JAVA_HOME environment variable is not set."
fi
CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
# traverses directory structure from process work directory to filesystem root
# first directory with .mvn subdirectory is considered project base directory
find_maven_basedir() {
if [ -z "$1" ]; then
echo "Path not specified to find_maven_basedir"
return 1
fi
basedir="$1"
wdir="$1"
while [ "$wdir" != '/' ]; do
if [ -d "$wdir"/.mvn ]; then
basedir=$wdir
break
fi
# workaround for JBEAP-8937 (on Solaris 10/Sparc)
if [ -d "${wdir}" ]; then
wdir=$(
cd "$wdir/.."
pwd
)
fi
# end of workaround
done
echo "${basedir}"
}
# concatenates all lines of a file
concat_lines() {
if [ -f "$1" ]; then
echo "$(tr -s '\n' ' ' <"$1")"
fi
}
BASE_DIR=$(find_maven_basedir "$(pwd)")
if [ -z "$BASE_DIR" ]; then
exit 1
fi
export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
echo $MAVEN_PROJECTBASEDIR
MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
# For Cygwin, switch paths to Windows format before running java
if $cygwin; then
[ -n "$M2_HOME" ] &&
M2_HOME=$(cygpath --path --windows "$M2_HOME")
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME")
[ -n "$CLASSPATH" ] &&
CLASSPATH=$(cygpath --path --windows "$CLASSPATH")
[ -n "$MAVEN_PROJECTBASEDIR" ] &&
MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR")
fi
WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
exec "$JAVACMD" \
$MAVEN_OPTS \
-classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
"-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"

143
spring-boot-modules/spring-boot-1/mvnw.cmd vendored Normal file
View File

@ -0,0 +1,143 @@
@REM ----------------------------------------------------------------------------
@REM Licensed to the Apache Software Foundation (ASF) under one
@REM or more contributor license agreements. See the NOTICE file
@REM distributed with this work for additional information
@REM regarding copyright ownership. The ASF licenses this file
@REM to you under the Apache License, Version 2.0 (the
@REM "License"); you may not use this file except in compliance
@REM with the License. You may obtain a copy of the License at
@REM
@REM http://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@REM KIND, either express or implied. See the License for the
@REM specific language governing permissions and limitations
@REM under the License.
@REM ----------------------------------------------------------------------------
@REM ----------------------------------------------------------------------------
@REM Maven2 Start Up Batch script
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@REM
@REM Optional ENV vars
@REM M2_HOME - location of maven2's installed home dir
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
@REM ----------------------------------------------------------------------------
@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
@echo off
@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
@REM set %HOME% to equivalent of $HOME
if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
@REM Execute a user defined script before this one
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
@REM check for pre script, once with legacy .bat ending and once with .cmd ending
if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
:skipRcPre
@setlocal
set ERROR_CODE=0
@REM To isolate internal variables from possible post scripts, we use another setlocal
@setlocal
@REM ==== START VALIDATION ====
if not "%JAVA_HOME%" == "" goto OkJHome
echo.
echo Error: JAVA_HOME not found in your environment. >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
:OkJHome
if exist "%JAVA_HOME%\bin\java.exe" goto init
echo.
echo Error: JAVA_HOME is set to an invalid directory. >&2
echo JAVA_HOME = "%JAVA_HOME%" >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
@REM ==== END VALIDATION ====
:init
@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
@REM Fallback to current working directory if not found.
set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
set EXEC_DIR=%CD%
set WDIR=%EXEC_DIR%
:findBaseDir
IF EXIST "%WDIR%"\.mvn goto baseDirFound
cd ..
IF "%WDIR%"=="%CD%" goto baseDirNotFound
set WDIR=%CD%
goto findBaseDir
:baseDirFound
set MAVEN_PROJECTBASEDIR=%WDIR%
cd "%EXEC_DIR%"
goto endDetectBaseDir
:baseDirNotFound
set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
cd "%EXEC_DIR%"
:endDetectBaseDir
IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
@setlocal EnableExtensions EnableDelayedExpansion
for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
:endReadAdditionalConfig
SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
if ERRORLEVEL 1 goto error
goto end
:error
set ERROR_CODE=1
:end
@endlocal & set ERROR_CODE=%ERROR_CODE%
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
@REM check for post script, once with legacy .bat ending and once with .cmd ending
if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
:skipRcPost
@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
if "%MAVEN_BATCH_PAUSE%" == "on" pause
if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
exit /B %ERROR_CODE%

45
spring-boot-modules/spring-boot-1/pom.xml Normal file
View File

@ -0,0 +1,45 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>spring-boot-1</artifactId>
<packaging>jar</packaging>
<description>Module for Spring Boot version 1.x</description>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-boot-1</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-boot-1</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>

35
spring-boot-modules/spring-boot-1/src/main/java/com/baeldung/actuator/CustomEndpoint.java Normal file
View File

@ -0,0 +1,35 @@
package com.baeldung.actuator;
import org.springframework.boot.actuate.endpoint.Endpoint;
import org.springframework.stereotype.Component;
import java.util.ArrayList;
import java.util.List;
@Component
public class CustomEndpoint implements Endpoint<List<String>> {
@Override
public String getId() {
return "customEndpoint";
}
@Override
public boolean isEnabled() {
return true;
}
@Override
public boolean isSensitive() {
return true;
}
@Override
public List<String> invoke() {
// Custom logic to build the output
List<String> messages = new ArrayList<>();
messages.add("This is message 1");
messages.add("This is message 2");
return messages;
}
}

23
spring-boot-modules/spring-boot-1/src/main/java/com/baeldung/actuator/HealthCheck.java Normal file
View File

@ -0,0 +1,23 @@
package com.baeldung.actuator;
import org.springframework.boot.actuate.health.Health;
import org.springframework.boot.actuate.health.HealthIndicator;
import org.springframework.stereotype.Component;
@Component("myHealthCheck")
public class HealthCheck implements HealthIndicator {
@Override
public Health health() {
int errorCode = check(); // perform some specific health check
if (errorCode != 0) {
return Health.down().withDetail("Error Code", errorCode).build();
}
return Health.up().build();
}
public int check() {
// Our logic to check health
return 0;
}
}

28
spring-boot-modules/spring-boot-1/src/main/java/com/baeldung/actuator/LoginServiceImpl.java Normal file
View File

@ -0,0 +1,28 @@
package com.baeldung.actuator;
import org.springframework.boot.actuate.metrics.CounterService;
import org.springframework.stereotype.Service;
import java.util.Arrays;
@Service
public class LoginServiceImpl {
private final CounterService counterService;
public LoginServiceImpl(CounterService counterService) {
this.counterService = counterService;
}
public boolean login(String userName, char[] password) {
boolean success;
if (userName.equals("admin") && Arrays.equals("secret".toCharArray(), password)) {
counterService.increment("counter.login.success");
success = true;
} else {
counterService.increment("counter.login.failure");
success = false;
}
return success;
}
}

13
spring-boot-modules/spring-boot-1/src/main/java/com/baeldung/actuator/SpringBoot.java Normal file
View File

@ -0,0 +1,13 @@
package com.baeldung.actuator;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SpringBoot {
public static void main(String[] args) {
SpringApplication.run(SpringBoot.class, args);
}
}

19
spring-boot-modules/spring-boot-1/src/main/resources/application.properties Normal file
View File

@ -0,0 +1,19 @@
### server port
server.port=8080
#port used to expose actuator
management.port=8081
#CIDR allowed to hit actuator
management.address=127.0.0.1
# Actuator Configuration
# customize /beans endpoint
endpoints.beans.id=springbeans
endpoints.beans.sensitive=false
endpoints.beans.enabled=true
# for the Spring Boot version 1.5.0 and above, we have to disable security to expose the health endpoint fully for unauthorized access.
# see: https://docs.spring.io/spring-boot/docs/1.5.x/reference/html/production-ready-monitoring.html
management.security.enabled=false
endpoints.health.sensitive=false
# customize /info endpoint
info.app.name=Spring Sample Application
info.app.description=This is my first spring boot application
info.app.version=1.0.0

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