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.jstl;
30:
31: import com.caucho.util.L10N;
32:
33: import javax.servlet.jsp.JspException;
34: import javax.servlet.jsp.tagext.TagSupport;
35:
36: /**
37: * Tag representing an "choose" condition.
38: */
39: public class ChooseTag extends TagSupport {
40: private static L10N L = new L10N(ChooseTag.class);
41:
42: private boolean isMatch;
43:
44: /**
45: * Return true if a match has already occurred.
46: */
47: public boolean isMatch() {
48: return isMatch;
49: }
50:
51: /**
52: * Set true if a match has already occurred.
53: */
54: public void setMatch() {
55: isMatch = true;
56: }
57:
58: /**
59: * Process the tag.
60: */
61: public int doStartTag() throws JspException {
62: isMatch = false;
63:
64: return EVAL_BODY_INCLUDE;
65: }
66: }
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