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Refactor JMS examples

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This commit is contained in:
Grzegorz Piwowarek 2016-10-09 21:21:09 +02:00
parent b279f27f35
commit dd360db060
6 changed files with 81 additions and 78 deletions
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22
spring-jms/pom.xml
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@ -26,6 +26,12 @@
<artifactId>activemq-all</artifactId> <artifactId>activemq-all</artifactId>
<version>${activemq.version}</version> <version>${activemq.version}</version>
</dependency> </dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
</dependencies> </dependencies>
<build> <build>
@ -36,8 +42,8 @@
<artifactId>maven-compiler-plugin</artifactId> <artifactId>maven-compiler-plugin</artifactId>
<version>3.2</version> <version>3.2</version>
<configuration> <configuration>
<source>1.7</source> <source>1.8</source>
<target>1.7</target> <target>1.8</target>
</configuration> </configuration>
</plugin> </plugin>
<plugin> <plugin>
@ -52,6 +58,16 @@
</plugin> </plugin>
</plugins> </plugins>
</pluginManagement> </pluginManagement>
<finalName>spring-jms</finalName> <plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
<finalName>spring-jms</finalName>
</build> </build>
</project> </project>

19
spring-jms/src/main/java/com/baeldung/spring/jms/SampleJmsMessageSender.java
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@ -1,16 +1,11 @@
package com.baeldung.spring.jms; package com.baeldung.spring.jms;
import org.springframework.jms.core.JmsTemplate;
import javax.jms.Queue;
import java.util.HashMap; import java.util.HashMap;
import java.util.Map; import java.util.Map;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Queue;
import javax.jms.Session;
import org.springframework.jms.core.JmsTemplate;
import org.springframework.jms.core.MessageCreator;
public class SampleJmsMessageSender { public class SampleJmsMessageSender {
private JmsTemplate jmsTemplate; private JmsTemplate jmsTemplate;
@ -25,16 +20,12 @@ public class SampleJmsMessageSender {
} }
public void simpleSend() { public void simpleSend() {
this.jmsTemplate.send(this.queue, new MessageCreator() { jmsTemplate.send(queue, s -> s.createTextMessage("hello queue world"));
public Message createMessage(Session session) throws JMSException {
return session.createTextMessage("hello queue world");
}
});
} }
public void sendMessage(final Employee employee) { public void sendMessage(final Employee employee) {
System.out.println("Jms Message Sender : " + employee); System.out.println("Jms Message Sender : " + employee);
Map<String, Object> map = new HashMap<String, Object>(); Map<String, Object> map = new HashMap<>();
map.put("name", employee.getName()); map.put("name", employee.getName());
map.put("age", employee.getAge()); map.put("age", employee.getAge());
this.jmsTemplate.convertAndSend(map); this.jmsTemplate.convertAndSend(map);

8
spring-jms/src/main/java/com/baeldung/spring/jms/SampleListener.java
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@ -1,13 +1,12 @@
package com.baeldung.spring.jms; package com.baeldung.spring.jms;
import java.util.Map; import org.springframework.jms.core.JmsTemplate;
import javax.jms.JMSException; import javax.jms.JMSException;
import javax.jms.Message; import javax.jms.Message;
import javax.jms.MessageListener; import javax.jms.MessageListener;
import javax.jms.TextMessage; import javax.jms.TextMessage;
import java.util.Map;
import org.springframework.jms.core.JmsTemplate;
public class SampleListener implements MessageListener { public class SampleListener implements MessageListener {
@ -31,7 +30,6 @@ public class SampleListener implements MessageListener {
public Employee receiveMessage() throws JMSException { public Employee receiveMessage() throws JMSException {
Map map = (Map) getJmsTemplate().receiveAndConvert(); Map map = (Map) getJmsTemplate().receiveAndConvert();
Employee employee = new Employee((String) map.get("name"), (Integer) map.get("age")); return new Employee((String) map.get("name"), (Integer) map.get("age"));
return employee;
} }
} }

9
spring-jms/src/main/java/com/baeldung/spring/jms/SampleMessageConverter.java
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@ -1,13 +1,13 @@
package com.baeldung.spring.jms; package com.baeldung.spring.jms;
import org.springframework.jms.support.converter.MessageConversionException;
import org.springframework.jms.support.converter.MessageConverter;
import javax.jms.JMSException; import javax.jms.JMSException;
import javax.jms.MapMessage; import javax.jms.MapMessage;
import javax.jms.Message; import javax.jms.Message;
import javax.jms.Session; import javax.jms.Session;
import org.springframework.jms.support.converter.MessageConversionException;
import org.springframework.jms.support.converter.MessageConverter;
public class SampleMessageConverter implements MessageConverter { public class SampleMessageConverter implements MessageConverter {
public Message toMessage(Object object, Session session) throws JMSException, MessageConversionException { public Message toMessage(Object object, Session session) throws JMSException, MessageConversionException {
@ -20,8 +20,7 @@ public class SampleMessageConverter implements MessageConverter {
public Object fromMessage(Message message) throws JMSException, MessageConversionException { public Object fromMessage(Message message) throws JMSException, MessageConversionException {
MapMessage mapMessage = (MapMessage) message; MapMessage mapMessage = (MapMessage) message;
Employee employee = new Employee(mapMessage.getString("name"), mapMessage.getInt("age")); return new Employee(mapMessage.getString("name"), mapMessage.getInt("age"));
return employee;
} }
} }

50
spring-jms/src/test/com/baeldung/spring/jms/DefaultTextMessageSenderTest.java → spring-jms/src/test/java/com/baeldung/spring/jms/DefaultTextMessageSenderTest.java
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@ -1,25 +1,25 @@
package com.baeldung.spring.jms; package com.baeldung.spring.jms;
import com.baeldung.spring.jms.SampleJmsMessageSender; import org.junit.BeforeClass;
import org.junit.BeforeClass; import org.junit.Test;
import org.junit.Test; import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class DefaultTextMessageSenderTest {
public class DefaultTextMessageSenderTest {
private static SampleJmsMessageSender messageProducer;
private static SampleJmsMessageSender messageProducer;
@SuppressWarnings("resource")
@SuppressWarnings("resource") @BeforeClass
@BeforeClass public static void setUp() {
public static void setUp() { ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
ApplicationContext applicationContext = new ClassPathXmlApplicationContext(new String[] { "classpath:EmbeddedActiveMQ.xml", "classpath:applicationContext.xml" }); "classpath:EmbeddedActiveMQ.xml", "classpath:applicationContext.xml");
messageProducer = (SampleJmsMessageSender) applicationContext.getBean("SampleJmsMessageSender"); messageProducer = (SampleJmsMessageSender) applicationContext.getBean("SampleJmsMessageSender");
} }
@Test @Test
public void testSimpleSend() { public void testSimpleSend() {
messageProducer.simpleSend(); messageProducer.simpleSend();
} }
} }

51
spring-jms/src/test/com/baeldung/spring/jms/MapMessageConvertAndSendTest.java → spring-jms/src/test/java/com/baeldung/spring/jms/MapMessageConvertAndSendTest.java
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@ -1,26 +1,25 @@
package com.baeldung.spring.jms; package com.baeldung.spring.jms;
import com.baeldung.spring.jms.Employee; import org.junit.BeforeClass;
import com.baeldung.spring.jms.SampleJmsMessageSender; import org.junit.Test;
import org.junit.BeforeClass; import org.springframework.context.ApplicationContext;
import org.junit.Test; import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext; public class MapMessageConvertAndSendTest {
public class MapMessageConvertAndSendTest { private static SampleJmsMessageSender messageProducer;
private static SampleJmsMessageSender messageProducer; @SuppressWarnings("resource")
@BeforeClass
@SuppressWarnings("resource") public static void setUp() {
@BeforeClass ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
public static void setUp() { "classpath:EmbeddedActiveMQ.xml", "classpath:applicationContext.xml");
ApplicationContext applicationContext = new ClassPathXmlApplicationContext(new String[] { "classpath:EmbeddedActiveMQ.xml", "classpath:applicationContext.xml" }); messageProducer = (SampleJmsMessageSender) applicationContext.getBean("SampleJmsMessageSender");
messageProducer = (SampleJmsMessageSender) applicationContext.getBean("SampleJmsMessageSender"); }
}
@Test
@Test public void testSendMessage() {
public void testSendMessage() { messageProducer.sendMessage(new Employee("JavaDeveloper2", 22));
messageProducer.sendMessage(new Employee("JavaDeveloper2", 22)); }
}
}
}