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Java > Open Source Codes > com > caucho > xsl > java > XslKey


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.xsl.java;
30
31 import com.caucho.java.JavaWriter;
32 import com.caucho.xml.QName;
33 import com.caucho.xsl.XslParseException;
34
35 /**
36  * Includes a stylesheet.
37  */
38 public class XslKey extends XslNode implements XslTopNode {
39   private String JavaDoc _name;
40   private String JavaDoc _match;
41   private String JavaDoc _use;
42   private String JavaDoc _as;
43   private String JavaDoc _collation;
44   
45   /**
46    * Returns the tag name.
47    */
48   public String JavaDoc getTagName()
49   {
50     return "xsl:key";
51   }
52   
53   /**
54    * Adds an attribute.
55    */
56   public void addAttribute(QName name, String JavaDoc value)
57     throws XslParseException
58   {
59     if (name.getName().equals("name"))
60       _name = value;
61     else if (name.getName().equals("match"))
62       _match = value;
63     else if (name.getName().equals("use"))
64       _use = value;
65     else if (name.getName().equals("as"))
66       _as = value;
67     else if (name.getName().equals("collation"))
68       _collation = value;
69     else
70       super.addAttribute(name, value);
71   }
72
73   /**
74    * Ends the attributes.
75    */
76   public void endAttributes()
77     throws XslParseException
78   {
79     if (_name == null)
80       throw error(L.l("xsl:key needs a 'name' attribute."));
81     else if (_match == null)
82       throw error(L.l("xsl:key needs a 'match' attribute."));
83     else if (_use == null)
84       throw error(L.l("xsl:key needs a 'use' attribute."));
85   }
86
87   /**
88    * Called when the element ends.
89    */
90   public void endElement()
91     throws Exception JavaDoc
92   {
93     _gen.addKey(_name, parseMatch(_match), parseExpr(_use));
94   }
95
96   /**
97    * Generates the code for the tag
98    *
99    * @param out the output writer for the generated java.
100    */
101   public void generate(JavaWriter out)
102     throws Exception JavaDoc
103   {
104   }
105 }
106
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