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.jsp;
30:
31: import com.caucho.log.Log;
32:
33: import javax.servlet.jsp.JspContext;
34: import javax.servlet.jsp.JspException;
35: import javax.servlet.jsp.PageContext;
36: import javax.servlet.jsp.tagext.JspFragment;
37: import java.io.Writer;
38: import java.util.logging.Logger;
39:
40: /**
41: * Abstract implementation for the fragment support.
42: */
43: public class StaticJspFragmentSupport extends JspFragment {
44: private static final Logger log = Log
45: .open(StaticJspFragmentSupport.class);
46:
47: private String _value;
48:
49: private PageContext _pageContext;
50:
51: public static StaticJspFragmentSupport create(
52: StaticJspFragmentSupport frag, PageContext pageContext,
53: String value) {
54: if (frag == null)
55: frag = new StaticJspFragmentSupport();
56:
57: frag._value = value;
58: frag._pageContext = pageContext;
59:
60: return frag;
61: }
62:
63: /**
64: * Returns the JSP context.
65: */
66: public JspContext getJspContext() {
67: return _pageContext;
68: }
69:
70: /**
71: * Returns the fragment value.
72: */
73: public String getValue() {
74: return _value;
75: }
76:
77: /**
78: * The public JspFragment interface.
79: *
80: * @param out optional location for the output
81: * @param vars optional map to replace the page context
82: */
83: public void invoke(Writer out) throws JspException {
84: try {
85: if (out == null)
86: _pageContext.getOut().write(_value);
87: else
88: out.write(_value);
89: } catch (RuntimeException e) {
90: throw e;
91: } catch (Exception e) {
92: throw new JspException(e);
93: }
94: }
95: }
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