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Java > Open Source Codes > com > caucho > relaxng > pattern > TextPattern


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  * Free SoftwareFoundation, Inc.
23  * 59 Temple Place, Suite 330
24  * Boston, MA 02111-1307 USA
25  *
26  * @author Scott Ferguson
27  */
28
29 package com.caucho.relaxng.pattern;
30
31 import com.caucho.relaxng.RelaxException;
32 import com.caucho.relaxng.program.Item;
33 import com.caucho.relaxng.program.TextItem;
34
35 /**
36  * Relax empty pattern
37  */
38 public class TextPattern extends Pattern {
39   /**
40    * Creates a new empty pattern.
41    */
42   public TextPattern()
43   {
44   }
45
46   /**
47    * Creates the program (somewhat bogus)
48    */
49   public Item createItem(GrammarPattern grammar)
50     throws RelaxException
51   {
52     return TextItem.TEXT;
53   }
54
55   /**
56    * Returns a string for the production.
57    */
58   public String JavaDoc toProduction()
59   {
60     return "text";
61   }
62
63   public boolean equals(Object JavaDoc o)
64   {
65     if (this == o)
66       return true;
67
68     return o instanceof TextPattern;
69   }
70
71   /**
72    * Debugging.
73    */
74   public String JavaDoc toString()
75   {
76     return "TextPattern[]";
77   }
78 }
79
80
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