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


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  * Represents the top-level xsl:transform node.
37  */
38 public class XslTransform extends XslStylesheet {
39   private String JavaDoc _version;
40
41   /**
42    * Returns the tag name.
43    */
44   public String JavaDoc getTagName()
45   {
46     return "xsl:transform";
47   }
48
49   /**
50    * Adds an attribute.
51    */
52   public void addAttribute(QName name, String JavaDoc value)
53     throws XslParseException
54   {
55     if (name.getName().equals("version"))
56       _version = value;
57     else
58       super.addAttribute(name, value);
59   }
60
61   /**
62    * Ends the attributes.
63    */
64   public void endAttributes()
65     throws XslParseException
66   {
67     if (_version == null)
68       throw error(L.l("xsl:stylesheet needs a 'version' attribute."));
69     else if (! _version.equals("1.0"))
70       throw error(L.l("'{0}' is an unknown xsl:stylesheet version.",
71               _version));
72   }
73
74   /**
75    * Generates the code for the tag
76    *
77    * @param out the output writer for the generated java.
78    */
79   public void generate(JavaWriter out)
80     throws Exception JavaDoc
81   {
82     generateChildren(out);
83   }
84 }
85
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