INT-1477 restructuring samples repo to have basic, intermediate, advancedand applications directories

basic/helloworld/src/main/java/org/springframework/integration/samples/helloworld/HelloService.java

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+/*
+ * Copyright 2002-2010 the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+package org.springframework.integration.samples.helloworld;
+
+/**
+ * Simple POJO to be referenced from a Service Activator.
+ * 
+ * @author Mark Fisher
+ */
+public class HelloService {
+
+	public String sayHello(String name) {
+		return "Hello " + name;
+	}
+
+}

basic/helloworld/src/main/resources/META-INF/spring/integration/helloWorldDemo.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<beans:beans xmlns="http://www.springframework.org/schema/integration"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns:beans="http://www.springframework.org/schema/beans"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans
+			http://www.springframework.org/schema/beans/spring-beans.xsd
+			http://www.springframework.org/schema/integration
+			http://www.springframework.org/schema/integration/spring-integration.xsd">
+
+	<channel id="inputChannel"/>
+
+	<channel id="outputChannel">
+		<queue capacity="10"/>
+	</channel>
+
+	<service-activator input-channel="inputChannel"
+	                   output-channel="outputChannel"
+	                   ref="helloService"
+	                   method="sayHello"/>
+
+	<beans:bean id="helloService" class="org.springframework.integration.samples.helloworld.HelloService"/>
+
+</beans:beans>

basic/helloworld/src/test/java/org/springframework/integration/samples/helloworld/HelloWorldDemoTest.java

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+/*
+ * Copyright 2002-2010 the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+package org.springframework.integration.samples.helloworld;
+
+import org.apache.log4j.Logger;
+import org.junit.Test;
+import org.springframework.context.support.AbstractApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+import org.springframework.integration.MessageChannel;
+import org.springframework.integration.core.PollableChannel;
+import org.springframework.integration.message.GenericMessage;
+
+/**
+ * Demonstrates a basic Message Endpoint that simply prepends a greeting
+ * ("Hello ") to an inbound String payload from a Message. This is a very
+ * low-level example, using Message Channels directly for both input and
+ * output. Notice that the output channel has a queue sub-element. It is
+ * therefore a PollableChannel and its consumers must invoke receive() as
+ * demonstrated below.
+ * <p>
+ * View the configuration of the channels and the endpoint (a &lt;service-activator/&gt;
+ * element) in 'helloWorldDemo.xml' within this same package.
+ * 
+ * @author Mark Fisher
+ * @author Oleg Zhurakousky
+ */
+public class HelloWorldDemoTest {
+
+	private static Logger logger = Logger.getLogger(HelloWorldDemoTest.class);
+	
+	@Test
+	public void testHelloWorld(){
+		AbstractApplicationContext context = new ClassPathXmlApplicationContext("/META-INF/spring/integration/helloWorldDemo.xml", HelloWorldDemoTest.class);
+		MessageChannel inputChannel = context.getBean("inputChannel", MessageChannel.class);
+		PollableChannel outputChannel = context.getBean("outputChannel", PollableChannel.class);
+		inputChannel.send(new GenericMessage<String>("World"));
+		logger.info("==> HelloWorldDemo: " + outputChannel.receive(0).getPayload());		
+	}
+
+}

basic/helloworld/src/test/resources/log4j.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
+<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
+
+	<!-- Appenders -->
+	<appender name="console" class="org.apache.log4j.ConsoleAppender">
+		<param name="Target" value="System.out" />
+		<layout class="org.apache.log4j.PatternLayout">
+			<param name="ConversionPattern" value="%-5p: %c - %m%n" />
+		</layout>
+	</appender>
+
+	<!-- Loggers -->
+	<logger name="org.springframework">
+		<level value="warn" />
+	</logger>
+
+	<logger name="org.springframework.integration.samples">
+		<level value="debug" />
+	</logger>
+
+	<!-- Root Logger -->
+	<root>
+		<priority value="warn" />
+		<appender-ref ref="console" />
+	</root>
+	
+</log4j:configuration>