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Java > Open Source Codes > org > apache > servicemix > jbi > nmr > flow > jms > PingService


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 package org.apache.servicemix.jbi.nmr.flow.jms;
18
19 import javax.jbi.messaging.ExchangeStatus;
20 import javax.jbi.messaging.MessageExchange;
21 import javax.jbi.messaging.MessagingException;
22 import javax.jbi.messaging.NormalizedMessage;
23
24 import org.apache.servicemix.MessageExchangeListener;
25 import org.apache.servicemix.components.util.ComponentSupport;
26 import org.apache.servicemix.jbi.jaxp.StringSource;
27
28 /**
29  * Test service from SM-174 - (Craig Wall orginal author)
30  */
31 public class PingService extends ComponentSupport implements MessageExchangeListener{
32     public void onMessageExchange(MessageExchange exchange) throws MessagingException{
33         if (exchange.getStatus() == ExchangeStatus.ACTIVE) {
34             System.out.println("GOT A MESSAGE; exchange.status="+exchange.getStatus());
35             NormalizedMessage out=exchange.createMessage();
36             out.setContent(new StringSource("<response>Ping back at ya!</response>"));
37             System.out.println("SENDING RESPONSE; exchange.status="+exchange.getStatus());
38             exchange.setMessage(out, "out");
39             getDeliveryChannel().sendSync(exchange);
40             System.out.println("RESPONSE SENT; exchange.status="+exchange.getStatus());
41         } else {
42             System.out.println("GOT A MESSAGE; exchange.status="+exchange.getStatus());
43         }
44     }
45 }
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