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


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 xsl:call-template node.
37  */
38 public class XslCallTemplate extends XslNode {
39   private String JavaDoc _name;
40   
41   /**
42    * Adds an attribute.
43    */
44   public void addAttribute(QName name, String JavaDoc value)
45     throws XslParseException
46   {
47     if (name.getName().equals("name"))
48       _name = value;
49     else
50       super.addAttribute(name, value);
51   }
52
53   /**
54    * Ends the attributes.
55    */
56   public void endAttributes()
57     throws XslParseException
58   {
59     if (_name == null)
60       throw error(L.l("xsl:call-template needs a 'name' attribute."));
61   }
62
63   /**
64    * Generates the code for the tag
65    *
66    * @param out the output writer for the generated java.
67    */
68   public void generate(JavaWriter out)
69     throws Exception JavaDoc
70   {
71     if (! _gen.hasMacro(_name))
72       throw error(L.l("'{0}' is an unknown template name. xsl:call-template name must match a defined xsl:template name.",
73               _name));
74     
75     pushCall(out);
76     generateChildren(out);
77     out.println(_gen.getMacroName(_name) + "(out, node, _xsl_arg" +
78         _gen.getCallDepth() + ");");
79     
80     popCall(out);
81   }
82
83   protected void popScope(JavaWriter out)
84     throws Exception JavaDoc
85   {
86   }
87 }
88
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