/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.example.jmstofile;
import javax.jms.ConnectionFactory;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.camel.CamelContext;
import org.apache.camel.CamelTemplate;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.jms.JmsComponent;
import org.apache.camel.impl.DefaultCamelContext;
/**
* An example class for demonstrating some of the basics behind camel This
* example will send some text messages on to a JMS Queue, consume them and
* persist them to disk
*
* @version $Revision: 529902 $
*/
public final class CamelJmsToFileExample {
private CamelJmsToFileExample() {
}
public static void main(String args[]) throws Exception {
// START SNIPPET: e1
CamelContext context = new DefaultCamelContext();
// END SNIPPET: e1
// Set up the ActiveMQ JMS Components
// START SNIPPET: e2
ConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://localhost?broker.persistent=false");
// note we can explicity name the component
context.addComponent("test-jms", JmsComponent.jmsComponentAutoAcknowledge(connectionFactory));
// END SNIPPET: e2
// Add some configuration by hand ...
// START SNIPPET: e3
context.addRoutes(new RouteBuilder() {
public void configure() {
from("test-jms:queue:test.queue").to("file://test");
// set up a listener on the file component
from("file://test").process(new Processor() {
public void process(Exchange e) {
System.out.println("Received exchange: " + e.getIn());
}
});
}
});
// END SNIPPET: e3
// Camel template - a handy class for kicking off exchanges
// START SNIPPET: e4
CamelTemplate template = new CamelTemplate(context);
// END SNIPPET: e4
// Now everything is set up - lets start the context
context.start();
// now send some test text to a component - for this case a JMS Queue
// The text get converted to JMS messages - and sent to the Queue
// test.queue
// The file component is listening for messages from the Queue
// test.queue, consumes
// them and stores them to disk. The content of each file will be the
// test test we sent here.
// The listener on the file component gets notfied when new files are
// found ...
// that's it!
// START SNIPPET: e5
for (int i = 0; i < 10; i++) {
template.sendBody("test-jms:queue:test.queue", "Test Message: " + i);
}
// END SNIPPET: e5
Thread.sleep(1000);
context.stop();
}
}