INTSAMPLES-4 Add Simple TCP Client/Server Sample
This commit is contained in:
Gary Russell
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/*
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* Copyright 2002-2010 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.integration.samples.tcpclientserver;
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/**
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* Simple service that receives data in a byte array,
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* converts it to a String and appends it to 'echo:'.
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*
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* @author Gary Russell
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*
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*/
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public class EchoService {
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public String test(byte[] bytes) {
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return "echo:" + new String(bytes);
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}
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}
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/*
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* Copyright 2002-2010 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.integration.samples.tcpclientserver;
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/**
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* @author Gary Russell
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*
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*/
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public interface SimpleGateway {
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public byte[] send(String text);
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}
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<?xml version="1.0" encoding="UTF-8"?>
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<beans:beans xmlns:beans="http://www.springframework.org/schema/beans"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns="http://www.springframework.org/schema/integration"
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xmlns:ip="http://www.springframework.org/schema/integration/ip"
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xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
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http://www.springframework.org/schema/integration http://www.springframework.org/schema/integration/spring-integration.xsd
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http://www.springframework.org/schema/integration/ip http://www.springframework.org/schema/integration/ip/spring-integration-ip.xsd">
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<!-- Client side -->
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<gateway id="gw"
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service-interface="org.springframework.integration.samples.tcpclientserver.SimpleGateway"
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default-request-channel="input"/>
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<ip:tcp-connection-factory id="client"
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type="client"
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host="localhost"
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port="11111"
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single-use="true"
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so-timeout="10000"
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/>
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<channel id="input" />
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<ip:tcp-outbound-gateway id="outGateway"
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request-channel="input"
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connection-factory="client"
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request-timeout="10000"
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reply-timeout="10000"
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/>
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<!-- Server side -->
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<ip:tcp-connection-factory id="crLfServer"
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type="server"
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port="11111"/>
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<ip:tcp-inbound-gateway id="gatewayCrLf"
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connection-factory="crLfServer"
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request-channel="toSA" />
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<channel id="toSA" />
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<service-activator input-channel="toSA"
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ref="echoService"
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method="test"
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/>
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<beans:bean id="echoService"
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class="org.springframework.integration.samples.tcpclientserver.EchoService" />
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</beans:beans>
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/*
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* Copyright 2002-2010 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.integration.samples.tcpclientserver;
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import static org.junit.Assert.assertEquals;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.test.context.ContextConfiguration;
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import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
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/**
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* Demonstrates the use of a gateway as an entry point into the integration flow.
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* The message generated by the gateway is sent over tcp by the outbound gateway
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* to the inbound gateway. In turn the inbound gateway sends the message to an
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* echo service and the echoed response comes back over tcp and is returned to
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* the test case for verification.
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*
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* @author Gary Russell
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*
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*/
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@ContextConfiguration("/META-INF/spring/integration/tcpClientServerDemo-context.xml")
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@RunWith(SpringJUnit4ClassRunner.class)
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public class TcpClientServerDemoTest {
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@Autowired
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SimpleGateway gw;
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@Test
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public void test() {
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byte[] echo = gw.send("Hello world!");
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String result = new String(echo);
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System.out.println(result);
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assertEquals("echo:Hello world!", result);
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}
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}
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28
basic/tcp-client-server/src/test/resources/log4j.xml
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28
basic/tcp-client-server/src/test/resources/log4j.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
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<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
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<!-- Appenders -->
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<appender name="console" class="org.apache.log4j.ConsoleAppender">
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<param name="Target" value="System.out" />
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<layout class="org.apache.log4j.PatternLayout">
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<param name="ConversionPattern" value="%-5p: %c - %m%n" />
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</layout>
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</appender>
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<!-- Loggers -->
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<logger name="org.springframework">
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<level value="warn" />
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</logger>
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<logger name="org.springframework.integration.samples">
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<level value="debug" />
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</logger>
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<!-- Root Logger -->
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<root>
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<priority value="warn" />
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<appender-ref ref="console" />
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</root>
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</log4j:configuration>
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