01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * 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: * Copies the node.
37: */
38: public class XslCopyOf extends XslNode {
39: private String _select;
40:
41: /**
42: * Adds an attribute.
43: */
44: public void addAttribute(QName name, String value)
45: throws XslParseException {
46: if (name.getName().equals("select")) {
47: _select = value;
48: } else
49: super .addAttribute(name, value);
50: }
51:
52: /**
53: * Ends the attributes.
54: */
55: public void endAttributes() throws XslParseException {
56: if (_select == null)
57: throw error(L.l("xsl:copy-of needs a 'select' attribute."));
58: }
59:
60: /**
61: * Generates the code for the tag
62: *
63: * @param out the output writer for the generated java.
64: */
65: public void generate(JavaWriter out) throws Exception {
66: out.println("out.copyOf(_exprs[ "
67: + _gen.addExpr(parseExpr(_select))
68: + "].evalObject(node, env));");
69: }
70: }
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