org.apache.camel.example.client.CamelClient Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of camel-example-spring-jms Show documentation

An example using Spring XML to talk to the JMS server from different kind of client techniques and having AOP aspect to perform audit trails in the Camel Server

There is a newer version: 2.19.5

Show newest version

/**
 * 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.client;

import org.apache.camel.ExchangePattern;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.util.IOHelper;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
 * Client that uses the {@link ProducerTemplate} to easily exchange messages with the Server.
 * 
 * Requires that the JMS broker is running, as well as CamelServer
 */
public final class CamelClient {
    private CamelClient() {
        // Helper class
    }

    // START SNIPPET: e1
    public static void main(final String[] args) throws Exception {
        System.out.println("Notice this client requires that the CamelServer is already running!");

        AbstractApplicationContext context = new ClassPathXmlApplicationContext("camel-client.xml");

        // get the camel template for Spring template style sending of messages (= producer)
        ProducerTemplate camelTemplate = context.getBean("camelTemplate", ProducerTemplate.class);

        System.out.println("Invoking the multiply with 22");
        // as opposed to the CamelClientRemoting example we need to define the service URI in this java code
        int response = (Integer)camelTemplate.sendBody("jms:queue:numbers", ExchangePattern.InOut, 22);
        System.out.println("... the result is: " + response);

        // we're done so let's properly close the application context
        IOHelper.close(context);
    }
    // END SNIPPET: e1

}