INT-197 Adding a Web Service Sample

org.springframework.integration.samples/src/main/java/org/springframework/integration/samples/ws/WebServiceDemo.java

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+/*
+ * Copyright 2002-2008 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.ws;
+
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+import org.springframework.integration.channel.MessageChannel;
+import org.springframework.integration.message.GenericMessage;
+import org.springframework.integration.message.Message;
+import org.springframework.integration.ws.adapter.AbstractWebServiceTargetAdapter;
+
+/**
+ * Demonstrating a web service invocation through a Web Service Target.
+ * 
+ * @author Marius Bogoevici
+ */
+public class WebServiceDemo {
+
+	public static void main(String[] args) {
+		ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("temperatureConversion.xml",
+				WebServiceDemo.class);
+		context.start();
+		
+		// Compose the XML message according to the server's schema
+		String requestMessage = "<FahrenheitToCelsius xmlns=\"http://tempuri.org/\">" +
+				"					<Fahrenheit>90.0</Fahrenheit>" +
+				"				 </FahrenheitToCelsius>";
+		
+		// Prepare the Message object 
+		Message<String> message = new GenericMessage<String>(requestMessage);
+		// In this case the service expects a SoapAction header
+		message.getHeader().setProperty(AbstractWebServiceTargetAdapter.SOAP_ACTION_PROPERTY_KEY, "http://tempuri.org/FahrenheitToCelsius");
+		// Set the return address for the message - the response message will be returned on this channel
+		message.getHeader().setReturnAddress("celsiusChannel");
+		
+		((MessageChannel)context.getBean("fahrenheitChannel")).send(message);
+	}
+	
+}
+

org.springframework.integration.samples/src/main/java/org/springframework/integration/samples/ws/temperatureConversion.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns:si="http://www.springframework.org/schema/integration"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans
+			http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
+			http://www.springframework.org/schema/integration
+			http://www.springframework.org/schema/integration/spring-integration-ws-1.0.xsd">
+
+	<si:message-bus/>
+
+    <!-- A Web Service target reads messages from the configurd channel, invokes the service and sends 
+    	 the response on the replyAddress configured on the message header -->
+	<si:channel id="fahrenheitChannel"/>
+		
+	<si:ws-target id="temperatureConverter" 
+				  uri="http://www.w3schools.com/webservices/tempconvert.asmx"
+				  channel="fahrenheitChannel" />
+
+	<si:channel id="celsiusChannel"/>
+
+	<!-- The response from the service is logged on the console -->
+	<si:target-endpoint target="console" input-channel="celsiusChannel"/>
+	
+	<si:console-target  id="console"/>
+	
+</beans>