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INT-718. OSGi-enabled the sample. README file is included.

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Oleg Zhurakousky
2009-07-11 05:00:31 +00:00
parent 9e74e2aaf0
commit 2cd12df50e
7 changed files with 171 additions and 16 deletions
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16
spring-integration-samples/helloworld/src/main/java/org/springframework/integration/samples/helloworld/HelloWorldDemo.java
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@@ -16,6 +16,7 @@
package org.springframework.integration.samples.helloworld;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.integration.channel.BeanFactoryChannelResolver;
@@ -37,17 +38,22 @@ import org.springframework.integration.message.StringMessage;
* element) in 'helloWorldDemo.xml' within this same package.
*
* @author Mark Fisher
* @author Oleg Zhurakousky
*/
public class HelloWorldDemo {
public static void main(String[] args) {
AbstractApplicationContext context = new ClassPathXmlApplicationContext("helloWorldDemo.xml", HelloWorldDemo.class);
ChannelResolver channelResolver = new BeanFactoryChannelResolver(context);
HelloWorldDemo demo = new HelloWorldDemo();
AbstractApplicationContext applicationContext = new ClassPathXmlApplicationContext("helloWorldDemo.xml", HelloWorldDemo.class);
demo.performDemo(applicationContext);
applicationContext.stop();
}
public void performDemo(ApplicationContext applicationContext){
ChannelResolver channelResolver = new BeanFactoryChannelResolver(applicationContext);
MessageChannel inputChannel = channelResolver.resolveChannelName("inputChannel");
PollableChannel outputChannel = (PollableChannel) channelResolver.resolveChannelName("outputChannel");
inputChannel.send(new StringMessage("World"));
System.out.println(outputChannel.receive(0).getPayload());
context.stop();
System.out.println("==> HelloWorldDemo: " + outputChannel.receive(0).getPayload());
}
}

55
spring-integration-samples/helloworld/src/main/java/org/springframework/integration/samples/osgi/helloworld/HelloWorldBundleActivator.java Normal file
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@@ -0,0 +1,55 @@
/*
* Copyright 2002-2009 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.osgi.helloworld;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.Constants;
import org.osgi.framework.ServiceEvent;
import org.osgi.framework.ServiceListener;
import org.osgi.framework.ServiceReference;
import org.springframework.context.ApplicationContext;
import org.springframework.integration.samples.helloworld.HelloWorldDemo;
/**
* Simple BundleActivator which will register ServiceListener which will listen for
* ApplicationContext published event. Once event is received, HelloWorldDemo will be executed.
*
* @author Oleg Zhurakousky
*/
public class HelloWorldBundleActivator implements BundleActivator, ServiceListener{
private BundleContext context;
/**
*
*/
public void start(BundleContext context) throws Exception {
this.context = context;
context.addServiceListener(this);
}
/**
*
*/
public void stop(BundleContext context) throws Exception {}
/**
*
*/
public void serviceChanged(ServiceEvent serviceEvent) {
ServiceReference sr = serviceEvent.getServiceReference();
if (context.getBundle().getSymbolicName().equals(sr.getProperty(Constants.BUNDLE_SYMBOLICNAME))){
ApplicationContext applicationContext = (ApplicationContext) context.getService(sr);
new HelloWorldDemo().performDemo(applicationContext);
}
}
}