JAVA-15787 Created new messaging-modules and saas-modules

- Moved jgroups, rabbitmq, spring-amqp, spring-apache-camel, spring-jms to messaging-modules
- Moved twilio, twitter4j, strip to saas-modules
- Renamed existing saas to jira-rest-integration

messaging-modules/spring-apache-camel/src/main/java/com/baeldung/camel/file/ContentBasedFileRouter.java

@@ -0,0 +1,16 @@
+package com.baeldung.camel.file;
+
+import org.apache.camel.builder.RouteBuilder;
+
+public class ContentBasedFileRouter extends RouteBuilder {
+
+    private static final String SOURCE_FOLDER = "src/test/source-folder";
+    private static final String DESTINATION_FOLDER_TXT = "src/test/destination-folder-txt";
+    private static final String DESTINATION_FOLDER_OTHER = "src/test/destination-folder-other";
+
+    @Override
+    public void configure() throws Exception {
+        from("file://" + SOURCE_FOLDER + "?delete=true").choice().when(simple("${file:ext} == 'txt'")).to("file://" + DESTINATION_FOLDER_TXT).otherwise().to("file://" + DESTINATION_FOLDER_OTHER);
+    }
+
+}

messaging-modules/spring-apache-camel/src/main/java/com/baeldung/camel/file/DeadLetterChannelFileRouter.java

@@ -0,0 +1,18 @@
+package com.baeldung.camel.file;
+
+import org.apache.camel.LoggingLevel;
+import org.apache.camel.builder.RouteBuilder;
+
+public class DeadLetterChannelFileRouter extends RouteBuilder {
+    private static final String SOURCE_FOLDER = "src/test/source-folder";
+
+    @Override
+    public void configure() throws Exception {
+        errorHandler(deadLetterChannel("log:dead?level=ERROR").maximumRedeliveries(3)
+                .redeliveryDelay(1000).retryAttemptedLogLevel(LoggingLevel.ERROR));
+
+        from("file://" + SOURCE_FOLDER + "?delete=true").process((exchange) -> {
+            throw new IllegalArgumentException("Exception thrown!");
+        });
+    }
+}

messaging-modules/spring-apache-camel/src/main/java/com/baeldung/camel/file/FileProcessor.java

@@ -0,0 +1,20 @@
+package com.baeldung.camel.file;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import org.apache.camel.Exchange;
+import org.apache.camel.Processor;
+
+public class FileProcessor implements Processor {
+
+    public void process(Exchange exchange) throws Exception {
+        String originalFileName = (String) exchange.getIn().getHeader(Exchange.FILE_NAME, String.class);
+
+        Date date = new Date();
+        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH-mm-ss");
+        String changedFileName = dateFormat.format(date) + originalFileName;
+        exchange.getIn().setHeader(Exchange.FILE_NAME, changedFileName);
+    }
+
+}

messaging-modules/spring-apache-camel/src/main/java/com/baeldung/camel/file/FileRouter.java

@@ -0,0 +1,15 @@
+package com.baeldung.camel.file;
+
+import org.apache.camel.builder.RouteBuilder;
+
+public class FileRouter extends RouteBuilder {
+
+    private static final String SOURCE_FOLDER = "src/test/source-folder";
+    private static final String DESTINATION_FOLDER = "src/test/destination-folder";
+
+    @Override
+    public void configure() throws Exception {
+        from("file://" + SOURCE_FOLDER + "?delete=true").process(new FileProcessor()).to("file://" + DESTINATION_FOLDER);
+    }
+
+}

messaging-modules/spring-apache-camel/src/main/java/com/baeldung/camel/file/MessageTranslatorFileRouter.java

@@ -0,0 +1,14 @@
+package com.baeldung.camel.file;
+
+import org.apache.camel.Exchange;
+import org.apache.camel.builder.RouteBuilder;
+
+public class MessageTranslatorFileRouter extends RouteBuilder {
+    private static final String SOURCE_FOLDER = "src/test/source-folder";
+    private static final String DESTINATION_FOLDER = "src/test/destination-folder";
+
+    @Override
+    public void configure() throws Exception {
+        from("file://" + SOURCE_FOLDER + "?delete=true").transform(body().append(header(Exchange.FILE_NAME))).to("file://" + DESTINATION_FOLDER);
+    }
+}

messaging-modules/spring-apache-camel/src/main/java/com/baeldung/camel/file/MulticastFileRouter.java

@@ -0,0 +1,18 @@
+package com.baeldung.camel.file;
+
+import org.apache.camel.builder.RouteBuilder;
+
+public class MulticastFileRouter extends RouteBuilder {
+    private static final String SOURCE_FOLDER = "src/test/source-folder";
+    private static final String DESTINATION_FOLDER_WORLD = "src/test/destination-folder-world";
+    private static final String DESTINATION_FOLDER_HELLO = "src/test/destination-folder-hello";
+
+    @Override
+    public void configure() throws Exception {
+        from("file://" + SOURCE_FOLDER + "?delete=true").multicast().to("direct:append", "direct:prepend").end();
+
+        from("direct:append").transform(body().append("World")).to("file://" + DESTINATION_FOLDER_WORLD);
+
+        from("direct:prepend").transform(body().prepend("Hello")).to("file://" + DESTINATION_FOLDER_HELLO);
+    }
+}

messaging-modules/spring-apache-camel/src/main/java/com/baeldung/camel/file/SplitterFileRouter.java

@@ -0,0 +1,15 @@
+package com.baeldung.camel.file;
+
+import org.apache.camel.Exchange;
+import org.apache.camel.builder.RouteBuilder;
+
+public class SplitterFileRouter extends RouteBuilder {
+    private static final String SOURCE_FOLDER = "src/test/source-folder";
+    private static final String DESTINATION_FOLDER = "src/test/destination-folder";
+
+    @Override
+    public void configure() throws Exception {
+
+        from("file://" + SOURCE_FOLDER + "?delete=true").split(body().convertToString().tokenize("\n")).setHeader(Exchange.FILE_NAME, body()).to("file://" + DESTINATION_FOLDER);
+    }
+}

messaging-modules/spring-apache-camel/src/main/java/com/baeldung/camel/file/cfg/ContentBasedFileRouterConfig.java

@@ -0,0 +1,26 @@
+package com.baeldung.camel.file.cfg;
+
+import java.util.Arrays;
+import java.util.List;
+
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.spring.javaconfig.CamelConfiguration;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import com.baeldung.camel.file.ContentBasedFileRouter;
+
+@Configuration
+public class ContentBasedFileRouterConfig extends CamelConfiguration {
+
+	@Bean
+	ContentBasedFileRouter getContentBasedFileRouter() {
+		return new ContentBasedFileRouter();
+	}
+
+	@Override
+	public List<RouteBuilder> routes() {
+		return Arrays.asList(getContentBasedFileRouter());
+	}
+
+}

messaging-modules/spring-apache-camel/src/main/java/com/baeldung/camel/jackson/Fruit.java

@@ -0,0 +1,24 @@
+package com.baeldung.camel.jackson;
+
+public class Fruit {
+
+    private String name;
+    private int id;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+}

messaging-modules/spring-apache-camel/src/main/java/com/baeldung/camel/jackson/FruitList.java

@@ -0,0 +1,17 @@
+package com.baeldung.camel.jackson;
+
+import java.util.List;
+
+public class FruitList {
+
+    private List<Fruit> fruits;
+
+    public List<Fruit> getFruits() {
+        return fruits;
+    }
+
+    public void setFruits(List<Fruit> fruits) {
+        this.fruits = fruits;
+    }
+
+}

messaging-modules/spring-apache-camel/src/main/java/com/baeldung/camel/main/App.java

@@ -0,0 +1,12 @@
+package com.baeldung.camel.main;
+
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+public class App {
+    public static void main(final String[] args) throws Exception {
+        ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext("camel-context.xml");
+        // Keep main thread alive for some time to let application finish processing the input files.
+        Thread.sleep(5000);
+        applicationContext.close();
+    }
+}

messaging-modules/spring-apache-camel/src/main/java/com/baeldung/camel/processor/FileProcessor.java

@@ -0,0 +1,14 @@
+package com.baeldung.camel.processor;
+
+import org.apache.camel.Exchange;
+import org.apache.camel.Processor;
+
+public class FileProcessor implements Processor {
+
+    public void process(Exchange exchange) throws Exception {
+        String originalFileContent = exchange.getIn().getBody(String.class);
+        String upperCaseFileContent = originalFileContent.toUpperCase();
+        exchange.getIn().setBody(upperCaseFileContent);
+    }
+
+}

messaging-modules/spring-apache-camel/src/main/resources/camel-context-ContentBasedFileRouterTest.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
+	 http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd">
+
+	<bean id="contentBasedFileRouter" class="com.baeldung.camel.file.ContentBasedFileRouter" />
+
+	<camelContext xmlns="http://camel.apache.org/schema/spring">
+		<routeBuilder ref="contentBasedFileRouter" />
+	</camelContext>
+
+</beans>

messaging-modules/spring-apache-camel/src/main/resources/camel-context-DeadLetterChannelFileRouter.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
+	 http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd">
+
+	<bean id="deadLetterChannelFileRouter" class="com.baeldung.camel.file.DeadLetterChannelFileRouter" />
+
+	<camelContext xmlns="http://camel.apache.org/schema/spring">
+		<routeBuilder ref="deadLetterChannelFileRouter" />
+	</camelContext>
+
+</beans>

messaging-modules/spring-apache-camel/src/main/resources/camel-context-MessageTranslatorFileRouterTest.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
+	 http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd">
+
+	<bean id="messageTranslatorFileRouter" class="com.baeldung.camel.file.MessageTranslatorFileRouter" />
+
+	<camelContext xmlns="http://camel.apache.org/schema/spring">
+		<routeBuilder ref="messageTranslatorFileRouter" />
+	</camelContext>
+
+</beans>

messaging-modules/spring-apache-camel/src/main/resources/camel-context-MulticastFileRouterTest.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
+	 http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd">
+
+	<bean id="multicastFileRouter" class="com.baeldung.camel.file.MulticastFileRouter" />
+
+	<camelContext xmlns="http://camel.apache.org/schema/spring">
+		<routeBuilder ref="multicastFileRouter" />
+	</camelContext>
+
+</beans>

messaging-modules/spring-apache-camel/src/main/resources/camel-context-SplitterFileRouter.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
+	 http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd">
+
+	<bean id="splitterFileRouter" class="com.baeldung.camel.file.SplitterFileRouter" />
+
+	<camelContext xmlns="http://camel.apache.org/schema/spring">
+		<routeBuilder ref="splitterFileRouter" />
+	</camelContext>
+
+</beans>

messaging-modules/spring-apache-camel/src/main/resources/camel-context-test.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
+	 http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd">
+
+	<bean id="fileRouter" class="com.baeldung.camel.file.FileRouter" />
+	<bean id="fileProcessor" class="com.baeldung.camel.file.FileProcessor" />
+
+	<camelContext xmlns="http://camel.apache.org/schema/spring">
+		<routeBuilder ref="fileRouter" />
+	</camelContext>
+
+</beans>

messaging-modules/spring-apache-camel/src/main/resources/camel-context.xml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
+	 http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd">
+
+	<camelContext xmlns="http://camel.apache.org/schema/spring">
+
+		<route customId="true" id="route1">
+
+			<!-- Read files from input directory -->
+			<from uri="file://src/test/data/input" />
+
+			<!-- Transform content to UpperCase -->
+			<process ref="myFileProcessor" />
+
+			<!-- Write converted file content -->
+			<to uri="file://src/test/data/outputUpperCase" />
+
+			<!-- Transform content to LowerCase -->
+			<transform>
+				<simple>${body.toLowerCase()}</simple>
+			</transform>
+
+			<!-- Write converted file content -->
+			<to uri="file://src/test/data/outputLowerCase" />
+
+			<!-- Display process completion message on console -->
+			<transform>
+				<simple>.......... File content conversion completed ..........</simple>
+			</transform>
+			<to uri="stream:out" />
+
+		</route>
+
+	</camelContext>
+
+	<bean id="myFileProcessor" class="com.baeldung.camel.processor.FileProcessor" />
+</beans>

messaging-modules/spring-apache-camel/src/main/resources/logback.xml

@@ -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>

messaging-modules/spring-apache-camel/src/test/data/sampleInputFile/file.txt

@@ -0,0 +1 @@
+This is data that will be processed by a Camel route!

messaging-modules/spring-apache-camel/src/test/java/com/apache/camel/file/processor/ContentBasedFileRouterIntegrationTest.java

@@ -0,0 +1,71 @@
+package com.apache.camel.file.processor;
+
+import java.io.File;
+
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.support.AbstractApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+import com.baeldung.camel.file.cfg.ContentBasedFileRouterConfig;
+
+@RunWith(JUnit4.class)
+public class ContentBasedFileRouterIntegrationTest {
+
+	private static final long DURATION_MILIS = 10000;
+	private static final String SOURCE_FOLDER = "src/test/source-folder";
+	private static final String DESTINATION_FOLDER_TXT = "src/test/destination-folder-txt";
+	private static final String DESTINATION_FOLDER_OTHER = "src/test/destination-folder-other";
+
+	@Before
+	public void setUp() throws Exception {
+		File sourceFolder = new File(SOURCE_FOLDER);
+		File destinationFolderTxt = new File(DESTINATION_FOLDER_TXT);
+		File destinationFolderOther = new File(DESTINATION_FOLDER_OTHER);
+
+		cleanFolder(sourceFolder);
+		cleanFolder(destinationFolderTxt);
+		cleanFolder(destinationFolderOther);
+
+		sourceFolder.mkdirs();
+		File file1 = new File(SOURCE_FOLDER + "/File1.txt");
+		File file2 = new File(SOURCE_FOLDER + "/File2.csv");
+		file1.createNewFile();
+		file2.createNewFile();
+	}
+
+	private void cleanFolder(File folder) {
+		File[] files = folder.listFiles();
+		if (files != null) {
+			for (File file : files) {
+				if (file.isFile()) {
+					file.delete();
+				}
+			}
+		}
+	}
+
+	@Test
+	@Ignore
+	public void routeWithXMLConfigTest() throws InterruptedException {
+		AbstractApplicationContext applicationContext = new ClassPathXmlApplicationContext(
+				"camel-context-ContentBasedFileRouterTest.xml");
+		Thread.sleep(DURATION_MILIS);
+		applicationContext.close();
+
+	}
+
+	@Test
+	@Ignore
+	public void routeWithJavaConfigTest() throws InterruptedException {
+		AbstractApplicationContext applicationContext = new AnnotationConfigApplicationContext(
+				ContentBasedFileRouterConfig.class);
+		Thread.sleep(DURATION_MILIS);
+		applicationContext.close();
+
+	}
+}

messaging-modules/spring-apache-camel/src/test/java/com/apache/camel/file/processor/DeadLetterChannelFileRouterIntegrationTest.java

@@ -0,0 +1,43 @@
+package com.apache.camel.file.processor;
+
+import java.io.File;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+public class DeadLetterChannelFileRouterIntegrationTest {
+
+    private static final long DURATION_MILIS = 10000;
+    private static final String SOURCE_FOLDER = "src/test/source-folder";
+
+    @Before
+    public void setUp() throws Exception {
+        File sourceFolder = new File(SOURCE_FOLDER);
+
+        cleanFolder(sourceFolder);
+
+        sourceFolder.mkdirs();
+        File file = new File(SOURCE_FOLDER + "/File.txt");
+        file.createNewFile();
+    }
+
+    private void cleanFolder(File folder) {
+        File[] files = folder.listFiles();
+        if (files != null) {
+            for (File file : files) {
+                if (file.isFile()) {
+                    file.delete();
+                }
+            }
+        }
+    }
+
+    @Test
+    public void routeTest() throws InterruptedException {
+        ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext("camel-context-DeadLetterChannelFileRouter.xml");
+        Thread.sleep(DURATION_MILIS);
+        applicationContext.close();
+
+    }
+}

messaging-modules/spring-apache-camel/src/test/java/com/apache/camel/file/processor/FileProcessorIntegrationTest.java

@@ -0,0 +1,68 @@
+package com.apache.camel.file.processor;
+
+import java.io.File;
+
+import org.apache.camel.CamelContext;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.impl.DefaultCamelContext;
+import org.junit.Before;
+import org.junit.Test;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+import com.baeldung.camel.file.FileProcessor;
+
+
+public class FileProcessorIntegrationTest {
+
+    private static final long DURATION_MILIS = 10000;
+    private static final String SOURCE_FOLDER = "src/test/source-folder";
+    private static final String DESTINATION_FOLDER = "src/test/destination-folder";
+
+    @Before
+    public void setUp() throws Exception {
+        File sourceFolder = new File(SOURCE_FOLDER);
+        File destinationFolder = new File(DESTINATION_FOLDER);
+
+        cleanFolder(sourceFolder);
+        cleanFolder(destinationFolder);
+
+        sourceFolder.mkdirs();
+        File file1 = new File(SOURCE_FOLDER + "/File1.txt");
+        File file2 = new File(SOURCE_FOLDER + "/File2.txt");
+        file1.createNewFile();
+        file2.createNewFile();
+    }
+
+    private void cleanFolder(File folder) {
+        File[] files = folder.listFiles();
+        if (files != null) {
+            for (File file : files) {
+                if (file.isFile()) {
+                    file.delete();
+                }
+            }
+        }
+    }
+
+    @Test
+    public void moveFolderContentJavaDSLTest() throws Exception {
+        final CamelContext camelContext = new DefaultCamelContext();
+        camelContext.addRoutes(new RouteBuilder() {
+            @Override
+            public void configure() throws Exception {
+                from("file://" + SOURCE_FOLDER + "?delete=true").process(new FileProcessor()).to("file://" + DESTINATION_FOLDER);
+            }
+        });
+        camelContext.start();
+        Thread.sleep(DURATION_MILIS);
+        camelContext.stop();
+    }
+
+    @Test
+    public void moveFolderContentSpringDSLTest() throws InterruptedException {
+        ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext("camel-context-test.xml");
+        Thread.sleep(DURATION_MILIS);
+        applicationContext.close();
+
+    }
+}

messaging-modules/spring-apache-camel/src/test/java/com/apache/camel/file/processor/MessageTranslatorFileRouterIntegrationTest.java

@@ -0,0 +1,50 @@
+package com.apache.camel.file.processor;
+
+import java.io.File;
+
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+public class MessageTranslatorFileRouterIntegrationTest {
+
+    private static final long DURATION_MILIS = 10000;
+    private static final String SOURCE_FOLDER = "src/test/source-folder";
+    private static final String DESTINATION_FOLDER = "src/test/destination-folder";
+
+    @Before
+    public void setUp() throws Exception {
+        File sourceFolder = new File(SOURCE_FOLDER);
+        File destinationFolder = new File(DESTINATION_FOLDER);
+
+        cleanFolder(sourceFolder);
+        cleanFolder(destinationFolder);
+
+        sourceFolder.mkdirs();
+        File file1 = new File(SOURCE_FOLDER + "/File1.txt");
+        File file2 = new File(SOURCE_FOLDER + "/File2.txt");
+        file1.createNewFile();
+        file2.createNewFile();
+    }
+
+    private void cleanFolder(File folder) {
+        File[] files = folder.listFiles();
+        if (files != null) {
+            for (File file : files) {
+                if (file.isFile()) {
+                    file.delete();
+                }
+            }
+        }
+    }
+
+    @Test
+    @Ignore
+    public void routeTest() throws InterruptedException {
+        ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext("camel-context-MessageTranslatorFileRouterTest.xml");
+        Thread.sleep(DURATION_MILIS);
+        applicationContext.close();
+
+    }
+}

messaging-modules/spring-apache-camel/src/test/java/com/apache/camel/file/processor/MulticastFileRouterIntegrationTest.java

@@ -0,0 +1,53 @@
+package com.apache.camel.file.processor;
+
+import java.io.File;
+
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+public class MulticastFileRouterIntegrationTest {
+
+    private static final long DURATION_MILIS = 10000;
+    private static final String SOURCE_FOLDER = "src/test/source-folder";
+    private static final String DESTINATION_FOLDER_WORLD = "src/test/destination-folder-world";
+    private static final String DESTINATION_FOLDER_HELLO = "src/test/destination-folder-hello";
+
+    @Before
+    public void setUp() throws Exception {
+        File sourceFolder = new File(SOURCE_FOLDER);
+        File destinationFolderWorld = new File(DESTINATION_FOLDER_WORLD);
+        File destinationFolderHello = new File(DESTINATION_FOLDER_HELLO);
+
+        cleanFolder(sourceFolder);
+        cleanFolder(destinationFolderWorld);
+        cleanFolder(destinationFolderHello);
+
+        sourceFolder.mkdirs();
+        File file1 = new File(SOURCE_FOLDER + "/File1.txt");
+        File file2 = new File(SOURCE_FOLDER + "/File2.txt");
+        file1.createNewFile();
+        file2.createNewFile();
+    }
+
+    private void cleanFolder(File folder) {
+        File[] files = folder.listFiles();
+        if (files != null) {
+            for (File file : files) {
+                if (file.isFile()) {
+                    file.delete();
+                }
+            }
+        }
+    }
+
+    @Test
+    @Ignore
+    public void routeTest() throws InterruptedException {
+        ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext("camel-context-MulticastFileRouterTest.xml");
+        Thread.sleep(DURATION_MILIS);
+        applicationContext.close();
+
+    }
+}

messaging-modules/spring-apache-camel/src/test/java/com/apache/camel/file/processor/SplitterFileRouterIntegrationTest.java

@@ -0,0 +1,52 @@
+package com.apache.camel.file.processor;
+
+import java.io.File;
+import java.io.FileWriter;
+
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+public class SplitterFileRouterIntegrationTest {
+
+    private static final long DURATION_MILIS = 10000;
+    private static final String SOURCE_FOLDER = "src/test/source-folder";
+    private static final String DESTINATION_FOLDER = "src/test/destination-folder";
+
+    @Before
+    public void setUp() throws Exception {
+        File sourceFolder = new File(SOURCE_FOLDER);
+        File destinationFolder = new File(DESTINATION_FOLDER);
+
+        cleanFolder(sourceFolder);
+        cleanFolder(destinationFolder);
+
+        sourceFolder.mkdirs();
+        File file = new File(SOURCE_FOLDER + "/File.txt");
+        FileWriter fileWriter = new FileWriter(file, false);
+        fileWriter.write("Hello\nWorld");
+        file.createNewFile();
+        fileWriter.close();
+    }
+
+    private void cleanFolder(File folder) {
+        File[] files = folder.listFiles();
+        if (files != null) {
+            for (File file : files) {
+                if (file.isFile()) {
+                    file.delete();
+                }
+            }
+        }
+    }
+
+    @Test
+    @Ignore
+    public void routeTests() throws InterruptedException {
+        ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext("camel-context-SplitterFileRouter.xml");
+        Thread.sleep(DURATION_MILIS);
+        applicationContext.close();
+
+    }
+}

messaging-modules/spring-apache-camel/src/test/java/com/apache/camel/main/AppIntegrationTest.java

@@ -0,0 +1,117 @@
+package com.apache.camel.main;
+
+import com.baeldung.camel.main.App;
+import junit.framework.TestCase;
+import org.apache.camel.util.FileUtil;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.channels.FileChannel;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+
+public class AppIntegrationTest extends TestCase {
+
+    private static final String FILE_NAME = "file.txt";
+    private static final String SAMPLE_INPUT_DIR = "src/test/data/sampleInputFile/";
+    private static final String TEST_INPUT_DIR = "src/test/data/input/";
+    private static final String UPPERCASE_OUTPUT_DIR = "src/test/data/outputUpperCase/";
+    private static final String LOWERCASE_OUTPUT_DIR = "src/test/data/outputLowerCase/";
+
+    @Before
+    public void setUp() throws Exception {
+        // Prepare input file for test
+        copySampleFileToInputDirectory();
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        System.out.println("Deleting the test input and output files...");
+        deleteFile(TEST_INPUT_DIR);
+        deleteFile(LOWERCASE_OUTPUT_DIR);
+        deleteFile(UPPERCASE_OUTPUT_DIR);
+    }
+
+    @Test
+    public final void testMain() throws Exception {
+        App.main(null);
+
+        String inputFileContent = readFileContent(SAMPLE_INPUT_DIR + FILE_NAME);
+        String outputUpperCase = readFileContent(UPPERCASE_OUTPUT_DIR + FILE_NAME);
+        String outputLowerCase = readFileContent(LOWERCASE_OUTPUT_DIR + FILE_NAME);
+
+        System.out.println("Input File content = [" + inputFileContent + "]");
+        System.out.println("UpperCaseOutput file content = [" + outputUpperCase + "]");
+        System.out.println("LowerCaseOtput file content = [" + outputLowerCase + "]");
+
+        assertEquals(inputFileContent.toUpperCase(), outputUpperCase);
+        assertEquals(inputFileContent.toLowerCase(), outputLowerCase);
+    }
+
+    private String readFileContent(String path) throws IOException {
+        byte[] encoded = Files.readAllBytes(Paths.get(path));
+        return new String(encoded);
+    }
+
+    private void deleteFile(String path) {
+        try {
+            FileUtil.removeDir(new File(path));
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * Copy sample input file to input directory.
+     */
+    private void copySampleFileToInputDirectory() {
+        File sourceFile = new File(SAMPLE_INPUT_DIR + FILE_NAME);
+        File destFile = new File(TEST_INPUT_DIR + FILE_NAME);
+
+        if (!sourceFile.exists()) {
+            System.out.println("Sample input file not found at location = [" + SAMPLE_INPUT_DIR + FILE_NAME + "]. Please provide this file.");
+        }
+
+        if (!destFile.exists()) {
+            try {
+                System.out.println("Creating input file = [" + TEST_INPUT_DIR + FILE_NAME + "]");
+
+                File destDir = new File(TEST_INPUT_DIR);
+                if (!destDir.exists()) {
+                    destDir.mkdir();
+                }
+                destFile.createNewFile();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+        FileChannel source = null;
+        FileChannel destination = null;
+
+        try {
+            source = new FileInputStream(sourceFile).getChannel();
+            destination = new FileOutputStream(destFile).getChannel();
+            if (destination != null && source != null) {
+                destination.transferFrom(source, 0, source.size());
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            try {
+                source.close();
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+            try {
+                destination.close();
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+    }
+}

messaging-modules/spring-apache-camel/src/test/java/com/baeldung/SpringContextTest.java

@@ -0,0 +1,13 @@
+package com.baeldung;
+
+import org.junit.Test;
+
+import com.baeldung.camel.main.App;
+
+public class SpringContextTest {
+
+	@Test
+    public final void testMain() throws Exception {
+        App.main(null);
+	}
+}

messaging-modules/spring-apache-camel/src/test/java/com/baeldung/camel/jackson/FruitArrayJacksonUnmarshalUnitTest.java

@@ -0,0 +1,60 @@
+package com.baeldung.camel.jackson;
+
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.List;
+
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.component.jackson.ListJacksonDataFormat;
+import org.apache.camel.component.mock.MockEndpoint;
+import org.apache.camel.test.junit4.CamelTestSupport;
+import org.junit.Test;
+
+public class FruitArrayJacksonUnmarshalUnitTest extends CamelTestSupport {
+
+    @Test
+    public void givenJsonFruitArray_whenUnmarshalled_thenSuccess() throws Exception {
+        MockEndpoint mock = getMockEndpoint("mock:marshalledObject");
+        mock.expectedMessageCount(1);
+        mock.message(0).body().isInstanceOf(List.class);
+
+        String json = readJsonFromFile("/json/fruit-array.json");
+        template.sendBody("direct:jsonInput", json);
+        assertMockEndpointsSatisfied();
+
+        @SuppressWarnings("unchecked")
+        List<Fruit> fruitList = mock.getReceivedExchanges().get(0).getIn().getBody(List.class);
+        assertNotNull("Fruit lists should not be null", fruitList);
+
+        assertEquals("There should be two fruits", 2, fruitList.size());
+
+        Fruit fruit = fruitList.get(0);
+        assertEquals("Fruit name", "Banana", fruit.getName());
+        assertEquals("Fruit id", 100, fruit.getId());
+
+        fruit = fruitList.get(1);
+        assertEquals("Fruit name", "Apple", fruit.getName());
+        assertEquals("Fruit id", 101, fruit.getId());
+    }
+    
+    @Override
+    protected RouteBuilder createRouteBuilder() throws Exception {
+        return new RouteBuilder() {
+            @Override
+            public void configure() throws Exception {
+
+                from("direct:jsonInput").unmarshal(new ListJacksonDataFormat(Fruit.class))
+                    .to("mock:marshalledObject");
+            }
+        };
+    }
+
+    private String readJsonFromFile(String path) throws URISyntaxException, IOException {
+        URL resource = FruitArrayJacksonUnmarshalUnitTest.class.getResource(path);
+        return new String(Files.readAllBytes(Paths.get(resource.toURI())));
+    }
+
+}

messaging-modules/spring-apache-camel/src/test/java/com/baeldung/camel/jackson/FruitListJacksonUnmarshalUnitTest.java

@@ -0,0 +1,59 @@
+package com.baeldung.camel.jackson;
+
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.List;
+
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.component.jackson.JacksonDataFormat;
+import org.apache.camel.component.mock.MockEndpoint;
+import org.apache.camel.test.junit4.CamelTestSupport;
+import org.junit.Test;
+
+public class FruitListJacksonUnmarshalUnitTest extends CamelTestSupport {
+
+    @Test
+    public void givenJsonFruitList_whenUnmarshalled_thenSuccess() throws Exception {
+        MockEndpoint mock = getMockEndpoint("mock:marshalledObject");
+        mock.expectedMessageCount(1);
+        mock.message(0).body().isInstanceOf(FruitList.class);
+
+        String json = readJsonFromFile("/json/fruit-list.json");
+        template.sendBody("direct:jsonInput", json);
+        assertMockEndpointsSatisfied();
+
+        FruitList fruitList = mock.getReceivedExchanges().get(0).getIn().getBody(FruitList.class);
+        assertNotNull("Fruit lists should not be null", fruitList);
+
+        List<Fruit> fruits = fruitList.getFruits();
+        assertEquals("There should be two fruits", 2, fruits.size());
+
+        Fruit fruit = fruits.get(0);
+        assertEquals("Fruit name", "Banana", fruit.getName());
+        assertEquals("Fruit id", 100, fruit.getId());
+
+        fruit = fruits.get(1);
+        assertEquals("Fruit name", "Apple", fruit.getName());
+        assertEquals("Fruit id", 101, fruit.getId());
+    }
+
+    @Override
+    protected RouteBuilder createRouteBuilder() throws Exception {
+        return new RouteBuilder() {
+            @Override
+            public void configure() throws Exception {
+                from("direct:jsonInput").unmarshal(new JacksonDataFormat(FruitList.class))
+                    .to("mock:marshalledObject");
+            }
+        };
+    }
+
+    private String readJsonFromFile(String path) throws URISyntaxException, IOException {
+        URL resource = FruitListJacksonUnmarshalUnitTest.class.getResource(path);
+        return new String(Files.readAllBytes(Paths.get(resource.toURI())));
+    }
+
+}

messaging-modules/spring-apache-camel/src/test/resources/json/fruit-array.json

@@ -0,0 +1,10 @@
+[
+	{
+		"id": 100,
+		"name": "Banana"
+	},
+	{
+		"id": 101,
+		"name": "Apple"
+	}
+]

messaging-modules/spring-apache-camel/src/test/resources/json/fruit-list.json

@@ -0,0 +1,12 @@
+{
+	"fruits": [
+		{
+			"id": 100,
+			"name": "Banana"
+		},
+		{
+			"id": 101,
+			"name": "Apple"
+		}
+	]
+}