components/camel-jms/src/test/java/org/apache/camel/component/jms/JmsMessageCreatedStrategyComponentTest.java

/**
 * 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.component.jms;

import javax.jms.ConnectionFactory;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Session;

import org.apache.camel.CamelContext;
import org.apache.camel.Exchange;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Test;

import static org.apache.camel.component.jms.JmsComponent.jmsComponentAutoAcknowledge;

/**
 * @version 
 */
public class JmsMessageCreatedStrategyComponentTest extends CamelTestSupport {

    protected String componentName = "activemq";

    @Test
    public void testMessageCreatedStrategy() throws Exception {
        MockEndpoint mock = getMockEndpoint("mock:result");
        mock.expectedMessageCount(1);
        mock.expectedHeaderReceived("beer", "Carlsberg");

        template.sendBody("activemq:queue:foo", "Hello World");

        assertMockEndpointsSatisfied();
    }

    protected CamelContext createCamelContext() throws Exception {
        CamelContext camelContext = super.createCamelContext();

        ConnectionFactory connectionFactory = CamelJmsTestHelper.createConnectionFactory();
        camelContext.addComponent(componentName, jmsComponentAutoAcknowledge(connectionFactory));

        JmsComponent jms = camelContext.getComponent(componentName, JmsComponent.class);
        jms.setMessageCreatedStrategy(new MyMessageCreatedStrategy());

        return camelContext;
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("activemq:queue:foo")
                        .to("mock:result");
            }
        };
    }

    private class MyMessageCreatedStrategy implements MessageCreatedStrategy {

        @Override
        public void onMessageCreated(Message message, Session session, Exchange exchange, Throwable cause) {
            try {
                JmsMessageHelper.setProperty(message, "beer", "Carlsberg");
            } catch (JMSException e) {
                // ignore
            }
        }
    }
}