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Java > Open Source Codes > org > enhydra > xml > xmlc > perf > NoOpEditor


1 /*
2  * Enhydra Java Application Server Project
3  *
4  * The contents of this file are subject to the Enhydra Public License
5  * Version 1.1 (the "License"); you may not use this file except in
6  * compliance with the License. You may obtain a copy of the License on
7  * the Enhydra web site ( http://www.enhydra.org/ ).
8  *
9  * Software distributed under the License is distributed on an "AS IS"
10  * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
11  * the License for the specific terms governing rights and limitations
12  * under the License.
13  *
14  * The Initial Developer of the Enhydra Application Server is Lutris
15  * Technologies, Inc. The Enhydra Application Server and portions created
16  * by Lutris Technologies, Inc. are Copyright Lutris Technologies, Inc.
17  * All Rights Reserved.
18  *
19  * Contributor(s):
20  *
21  * $Id: NoOpEditor.java,v 1.2 2005/01/26 08:29:25 jkjome Exp $
22  */
23
24 package org.enhydra.xml.xmlc.perf;
25
26 import org.w3c.dom.Document JavaDoc;
27
28 /**
29  * No OP editor. Does nothing. Just implements
30  * DOMEditor interface.
31  */
32 public class NoOpEditor implements DOMEditor {
33
34     private boolean firstTime = true;
35
36     /**
37      * Noop.
38      *
39      * @return the number of elements edited (zero).
40      */
41     public int edit(Document JavaDoc doc) throws Exception JavaDoc {
42     firstTime = false;
43     return 0;
44     }
45
46     public String JavaDoc toString() {
47     return "NoOpEditor: performs NO operations on the DOM tree.";
48     }
49
50     /**
51      * The edit function can be called as long as this method returns true.
52      * The editor may contain multiple configurations, this method cycles
53      * through each configuration.
54      *
55      * @return true if there is another editor configuration that should be run.
56      */
57     public synchronized boolean next() {
58     if (firstTime) {
59         firstTime = false;
60         return true;
61     }
62     return false;
63     }
64
65     /**
66      * Reset the editor configuration queue.
67      */
68     public synchronized void reset() {
69     firstTime = true;
70     }
71     
72 }
73
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