ActiveMQPropagateSerializableHeadersTest.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.
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package org.apache.camel.component.jms.issues;

import java.util.Calendar;
import java.util.Date;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.jms.ConnectionFactory;

import org.apache.activemq.command.ActiveMQQueue;
import org.apache.camel.CamelContext;
import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.jms.CamelJmsTestHelper;
import org.apache.camel.component.mock.AssertionClause;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Before;
import org.junit.Test;

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

public class ActiveMQPropagateSerializableHeadersTest extends CamelTestSupport {

    protected Object expectedBody = "<time>" + new Date() + "</time>";
    protected ActiveMQQueue replyQueue = new ActiveMQQueue("test.reply.queue");
    protected String correlationID = "ABC-123";
    protected String messageType = getClass().getName();
    private Calendar calValue;
    private Map<String, Object> mapValue;

    @Before
    public void setup() {
        calValue = Calendar.getInstance();
        mapValue = new LinkedHashMap<String, Object>();
        mapValue.put("myStringEntry", "stringValue");
        mapValue.put("myCalEntry", Calendar.getInstance());
        mapValue.put("myIntEntry", 123);
    }

    @Test
    public void testForwardingAMessageAcrossJMSKeepingCustomJMSHeaders() throws Exception {
        MockEndpoint resultEndpoint = resolveMandatoryEndpoint("mock:result", MockEndpoint.class);

        resultEndpoint.expectedBodiesReceived(expectedBody);
        AssertionClause firstMessageExpectations = resultEndpoint.message(0);
        firstMessageExpectations.header("myCal").isEqualTo(calValue);
        firstMessageExpectations.header("myMap").isEqualTo(mapValue);

        template.sendBody("activemq:test.a", expectedBody);

        resultEndpoint.assertIsSatisfied();

        List<Exchange> list = resultEndpoint.getReceivedExchanges();
        Exchange exchange = list.get(0);
        {
            String headerValue = exchange.getIn().getHeader("myString", String.class);
            assertEquals("myString", "stringValue", headerValue);
        }
        {
            Calendar headerValue = exchange.getIn().getHeader("myCal", Calendar.class);
            assertEquals("myCal", calValue, headerValue);
        }
        {
            Map<String, Object> headerValue = exchange.getIn().getHeader("myMap", Map.class);
            assertEquals("myMap", mapValue, headerValue);
        }
    }

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

        // START SNIPPET: example
        ConnectionFactory connectionFactory = CamelJmsTestHelper.createConnectionFactory();
        camelContext.addComponent("activemq", jmsComponentAutoAcknowledge(connectionFactory));
        // END SNIPPET: example

        return camelContext;
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            public void configure() throws Exception {
                from("activemq:test.a").process(new Processor() {
                    public void process(Exchange exchange) throws Exception {
                        // set the JMS headers
                        Message in = exchange.getIn();
                        in.setHeader("myString", "stringValue");
                        in.setHeader("myMap", mapValue);
                        in.setHeader("myCal", calValue);
                    }
                }).to("activemq:test.b?transferExchange=true&allowSerializedHeaders=true");

                from("activemq:test.b").to("mock:result");
            }
        };
    }
}