INTSAMPLES-4 Add Simple TCP Client/Server Sample

basic/tcp-client-server/src/main/java/org/springframework/integration/samples/tcpclientserver/EchoService.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.tcpclientserver;
+
+/**
+ * Simple service that receives data in a byte array,
+ * converts it to a String and appends it to 'echo:'.
+ * 
+ * @author Gary Russell
+ *
+ */
+public class EchoService {
+
+	public String test(byte[] bytes) {
+		return "echo:" + new String(bytes);
+	}
+
+}

basic/tcp-client-server/src/main/java/org/springframework/integration/samples/tcpclientserver/SimpleGateway.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.tcpclientserver;
+
+/**
+ * @author Gary Russell
+ *
+ */
+public interface SimpleGateway {
+
+	public byte[] send(String text);
+	
+}

basic/tcp-client-server/src/main/resources/META-INF/spring/integration/tcpClientServerDemo-context.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<beans:beans xmlns:beans="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns="http://www.springframework.org/schema/integration"
+	xmlns:ip="http://www.springframework.org/schema/integration/ip"
+	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
+		http://www.springframework.org/schema/integration/ip http://www.springframework.org/schema/integration/ip/spring-integration-ip.xsd">
+
+	<!-- Client side -->
+	
+	<gateway id="gw" 
+        service-interface="org.springframework.integration.samples.tcpclientserver.SimpleGateway"
+        default-request-channel="input"/>
+
+	<ip:tcp-connection-factory id="client"
+		type="client"
+		host="localhost"
+		port="11111"
+		single-use="true"
+		so-timeout="10000"
+        />
+	
+	<channel id="input" />
+	
+	<ip:tcp-outbound-gateway id="outGateway"
+		request-channel="input"
+		connection-factory="client"
+		request-timeout="10000"
+		reply-timeout="10000"
+		/>
+		
+	<!-- Server side -->
+	
+	<ip:tcp-connection-factory id="crLfServer"
+		type="server"
+		port="11111"/>
+			
+	<ip:tcp-inbound-gateway id="gatewayCrLf"
+		connection-factory="crLfServer"
+		request-channel="toSA" />
+		
+	<channel id="toSA" />
+
+	<service-activator input-channel="toSA"
+					   ref="echoService"
+					   method="test"
+	/>
+
+	<beans:bean id="echoService" 
+		  class="org.springframework.integration.samples.tcpclientserver.EchoService" />
+		  
+</beans:beans>