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Java > Open Source Codes > org > apache > xalan > trace > TraceListenerEx3


1 /*
2  * Copyright 2002-2004 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 /*
17  * $Id: TraceListenerEx3.java,v 1.3 2004/02/16 23:00:27 minchau Exp $
18  */
19  
20 package org.apache.xalan.trace;
21
22 /**
23  * Extends TraceListenerEx2 but adds extensions trace events.
24  * @xsl.usage advanced
25  */
26 public interface TraceListenerEx3 extends TraceListenerEx2 {
27
28     /**
29      * Method that is called when an extension event occurs.
30      * The method is blocking. It must return before processing continues.
31      *
32      * @param ev the extension event.
33      */
34     public void extension(ExtensionEvent ee);
35
36     /**
37      * Method that is called when the end of an extension event occurs.
38      * The method is blocking. It must return before processing continues.
39      *
40      * @param ev the extension event.
41      */
42     public void extensionEnd(ExtensionEvent ee);
43
44 }
45
46
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