| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
| CamelJmsToFileExample |
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| 1.25;1.25 |
| 1 | /** |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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| 3 | * contributor license agreements. See the NOTICE file distributed with |
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| 4 | * this work for additional information regarding copyright ownership. |
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| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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| 6 | * (the "License"); you may not use this file except in compliance with |
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| 7 | * the License. You may obtain a copy of the License at |
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| 8 | * |
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 10 | * |
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| 11 | * Unless required by applicable law or agreed to in writing, software |
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 14 | * See the License for the specific language governing permissions and |
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| 15 | * limitations under the License. |
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| 16 | */ |
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| 17 | package org.apache.camel.example.jmstofile; |
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| 18 | ||
| 19 | import javax.jms.ConnectionFactory; |
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| 20 | ||
| 21 | import org.apache.activemq.ActiveMQConnectionFactory; |
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| 22 | import org.apache.camel.CamelContext; |
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| 23 | import org.apache.camel.CamelTemplate; |
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| 24 | import org.apache.camel.Exchange; |
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| 25 | import org.apache.camel.Processor; |
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| 26 | import org.apache.camel.builder.RouteBuilder; |
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| 27 | import org.apache.camel.component.jms.JmsComponent; |
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| 28 | import org.apache.camel.impl.DefaultCamelContext; |
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| 29 | ||
| 30 | /** |
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| 31 | * An example class for demonstrating some of the basics behind camel This |
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| 32 | * example will send some text messages on to a JMS Queue, consume them and |
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| 33 | * persist them to disk |
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| 34 | * |
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| 35 | * @version $Revision: 529902 $ |
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| 36 | */ |
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| 37 | public final class CamelJmsToFileExample { |
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| 38 | ||
| 39 | 0 | private CamelJmsToFileExample() { |
| 40 | 0 | } |
| 41 | ||
| 42 | public static void main(String args[]) throws Exception { |
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| 43 | // START SNIPPET: e1 |
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| 44 | 0 | CamelContext context = new DefaultCamelContext(); |
| 45 | // END SNIPPET: e1 |
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| 46 | // Set up the ActiveMQ JMS Components |
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| 47 | // START SNIPPET: e2 |
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| 48 | 0 | ConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://localhost?broker.persistent=false"); |
| 49 | // note we can explicity name the component |
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| 50 | 0 | context.addComponent("test-jms", JmsComponent.jmsComponentAutoAcknowledge(connectionFactory)); |
| 51 | // END SNIPPET: e2 |
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| 52 | // Add some configuration by hand ... |
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| 53 | // START SNIPPET: e3 |
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| 54 | 0 | context.addRoutes(new RouteBuilder() { |
| 55 | ||
| 56 | 0 | public void configure() { |
| 57 | 0 | from("test-jms:queue:test.queue").to("file://test"); |
| 58 | // set up a listener on the file component |
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| 59 | 0 | from("file://test").process(new Processor() { |
| 60 | ||
| 61 | 0 | public void process(Exchange e) { |
| 62 | 0 | System.out.println("Received exchange: " + e.getIn()); |
| 63 | 0 | } |
| 64 | }); |
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| 65 | 0 | } |
| 66 | }); |
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| 67 | // END SNIPPET: e3 |
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| 68 | // Camel template - a handy class for kicking off exchanges |
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| 69 | // START SNIPPET: e4 |
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| 70 | 0 | CamelTemplate template = new CamelTemplate(context); |
| 71 | // END SNIPPET: e4 |
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| 72 | // Now everything is set up - lets start the context |
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| 73 | 0 | context.start(); |
| 74 | // now send some test text to a component - for this case a JMS Queue |
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| 75 | // The text get converted to JMS messages - and sent to the Queue |
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| 76 | // test.queue |
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| 77 | // The file component is listening for messages from the Queue |
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| 78 | // test.queue, consumes |
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| 79 | // them and stores them to disk. The content of each file will be the |
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| 80 | // test test we sent here. |
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| 81 | // The listener on the file component gets notfied when new files are |
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| 82 | // found ... |
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| 83 | // that's it! |
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| 84 | // START SNIPPET: e5 |
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| 85 | 0 | for (int i = 0; i < 10; i++) { |
| 86 | 0 | template.sendBody("test-jms:queue:test.queue", "Test Message: " + i); |
| 87 | } |
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| 88 | // END SNIPPET: e5 |
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| 89 | 0 | Thread.sleep(1000); |
| 90 | 0 | context.stop(); |
| 91 | 0 | } |
| 92 | } |