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1 /*
2  * Copyright 2001-2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */

16 package test;
17
18 import org.apache.axis.AxisFault;
19 import org.apache.axis.Message;
20 import org.apache.axis.MessageContext;
21 import org.apache.axis.handlers.BasicHandler;
22
23 import java.io.FileInputStream JavaDoc;
24 import java.io.FileNotFoundException JavaDoc;
25
26 /**
27  * A trivial service which simply echoes back a desired SOAP message. This
28  * is useful for testing, as we can simulate responses from particular packages,
29  * bugs, etc. This should be deployed with provider="Handler".
30  *
31  * @author Glen Daniels (gdaniels@apache.org)
32  */

33 public class PlaybackService extends BasicHandler {
34     /**
35      * Get the filename which contains the response message. Looks in
36      * the MessageContext/service/engine for a "responseFile" property, and
37      * if found simply returns that value. Otherwise defaults to
38      * "response.xml" in the current directory of the server.
39      *
40      * This mechanism can be configured in two ways. First, anyone can set
41      * the "responseFile" property based on the message contents, etc. As long
42      * as this happens earlier in the handler chain, the value will be picked
43      * up and used here. Second, this class can be subclassed and this
44      * method overriden to do the right thing.
45      *
46      * @param context the current MessageContext
47      * @return the filename containing the canned response
48      */

49     protected String JavaDoc getFilename(MessageContext context) {
50         String JavaDoc filename = context.getStrProp("responseFile");
51         if (filename == null) {
52             filename = "response.xml";
53         }
54         return filename;
55     }
56     
57     public void invoke(MessageContext context) throws AxisFault {
58         try {
59             FileInputStream JavaDoc stream = new FileInputStream JavaDoc(getFilename(context));
60             context.setResponseMessage(new Message(stream));
61         } catch (FileNotFoundException JavaDoc e) {
62             throw AxisFault.makeFault(e);
63         }
64     }
65 }
66
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