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: * Represents the xtp:expression node from the stylesheet.
37: */
38: public class XtpExpression extends XslNode {
39: private String _text = "";
40:
41: /**
42: * Returns the tag name.
43: */
44: public String getTagName() {
45: return "xtp:expression";
46: }
47:
48: /**
49: * Adds an attribute.
50: */
51: public void addAttribute(QName name, String value)
52: throws XslParseException {
53: if (name.getName().equals("expr"))
54: _text = value;
55: else
56: super .addAttribute(name, value);
57: }
58:
59: /**
60: * Adds a child node.
61: */
62: public void addChild(XslNode node) throws XslParseException {
63: if (node == null)
64: return;
65:
66: if (node instanceof TextNode) {
67: _text += ((TextNode) node).getText();
68: } else
69: throw error(L.l(
70: "'{0}' is not allowed as an xtp:expression child.",
71: node));
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) throws Exception {
80: out.println("out.print(" + _text + ");");
81: }
82: }
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