/**
* 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;
import java.io.File;
import java.io.FileOutputStream;
import org.apache.camel.Endpoint;
import org.apache.camel.Exchange;
import org.apache.camel.ExchangePattern;
import org.apache.camel.Producer;
import org.apache.camel.test.AvailablePortFinder;
import org.apache.camel.test.junit4.CamelSpringTestSupport;
import org.junit.BeforeClass;
import org.junit.Test;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class SpringJmsClientServerTest extends CamelSpringTestSupport {
@BeforeClass
public static void setupFreePort() throws Exception {
// find a free port number, and write that in the custom.properties file
// which we will use for the unit tests, to avoid port number in use problems
int port = AvailablePortFinder.getNextAvailable();
String bank1 = "tcp.port=" + port;
File custom = new File("target/custom.properties");
FileOutputStream fos = new FileOutputStream(custom);
fos.write(bank1.getBytes());
fos.close();
}
@Override
protected AbstractApplicationContext createApplicationContext() {
return new ClassPathXmlApplicationContext("/META-INF/spring/camel-server.xml");
}
@Test
public void testCamelClientInvocation() {
// as opposed to the CamelClientRemoting example we need to define the service URI in this java code
int response = template.requestBody("jms:queue:numbers", 22, Integer.class);
assertEquals("Get a wrong response", 66, response);
}
@Test
public void testCamelEndpointInvocation() throws Exception {
// get the endpoint from the camel context
Endpoint endpoint = context.getEndpoint("jms:queue:numbers");
// create the exchange used for the communication
// we use the in out pattern for a synchronized exchange where we expect a response
Exchange exchange = endpoint.createExchange(ExchangePattern.InOut);
// set the input on the in body
// must you correct type to match the expected type of an Integer object
exchange.getIn().setBody(11);
// to send the exchange we need an producer to do it for us
Producer producer = endpoint.createProducer();
// start the producer so it can operate
producer.start();
// let the producer process the exchange where it does all the work in this one line of code
producer.process(exchange);
// get the response from the out body and cast it to an integer
int response = exchange.getOut().getBody(Integer.class);
assertEquals("Get a wrong response.", 33, response);
// stop the producer after usage
producer.stop();
}
}