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: * changes the output
37: */
38: public class XslResultDocument extends XslNode {
39: private String _href;
40:
41: /**
42: * Returns the tag name.
43: */
44: public String getTagName() {
45: return "xsl:result-document";
46: }
47:
48: /**
49: * Adds an attribute.
50: */
51: public void addAttribute(QName name, String value)
52: throws XslParseException {
53: if (name.getName().equals("href")) {
54: _href = value;
55: } else
56: super .addAttribute(name, value);
57: }
58:
59: /**
60: * Adds an attribute.
61: */
62: public void endAttributes() throws XslParseException {
63: if (_href == null)
64: throw error(L
65: .l("xsl:result-document requires a 'href' attribute."));
66: }
67:
68: /**
69: * Generates the code for the tag
70: *
71: * @param out the output writer for the generated java.
72: */
73: public void generate(JavaWriter out) throws Exception {
74: out.println("XslWriter oldOut = out;");
75: out.println("OutputStream os = null;");
76: out.println("try {");
77: out.pushDepth();
78: out.print("os = out.openWrite(env, ");
79: generateString(out, _href, '+');
80: out.println(");");
81:
82: out.println("out = out.openResultDocument(os);");
83:
84: generateChildren(out);
85:
86: out.println("out.close();");
87: out.popDepth();
88: out.println("} finally {");
89: out.println(" if (os != null)");
90: out.println(" os.close();");
91: out.println(" out = oldOut;");
92: out.println("}");
93: }
94: }
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