01: /*
02: * regain - A file search engine providing plenty of formats
03: * Copyright (C) 2004 Til Schneider
04: *
05: * This library is free software; you can redistribute it and/or
06: * modify it under the terms of the GNU Lesser General Public
07: * License as published by the Free Software Foundation; either
08: * version 2.1 of the License, or (at your option) any later version.
09: *
10: * This library is distributed in the hope that it will be useful,
11: * but WITHOUT ANY WARRANTY; without even the implied warranty of
12: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13: * Lesser General Public License for more details.
14: *
15: * You should have received a copy of the GNU Lesser General Public
16: * License along with this library; if not, write to the Free Software
17: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18: *
19: * Contact: Til Schneider, info@murfman.de
20: *
21: * CVS information:
22: * $RCSfile$
23: * $Source$
24: * $Date: 2005-03-01 17:04:30 +0100 (Di, 01 Mrz 2005) $
25: * $Author: til132 $
26: * $Revision: 46 $
27: */
28: package net.sf.regain.search.sharedlib;
29:
30: import net.sf.regain.RegainException;
31: import net.sf.regain.util.sharedtag.PageRequest;
32: import net.sf.regain.util.sharedtag.PageResponse;
33: import net.sf.regain.util.sharedtag.SharedTag;
34:
35: /**
36: * Generates the value of a HTML request parameter.
37: * <p>
38: * Tag Parameters:
39: * <ul>
40: * <li><code>name</code>: The name of the request parameter whichs value should
41: * be generated.</li>
42: * </ul>
43: *
44: * @author Til Schneider, www.murfman.de
45: */
46: public class ParamTag extends SharedTag {
47:
48: /**
49: * Called when the parser reaches the end tag.
50: *
51: * @param request The page request.
52: * @param response The page response.
53: * @throws RegainException If there was an exception.
54: */
55: public void printEndTag(PageRequest request, PageResponse response)
56: throws RegainException {
57: String name = getParameter("name", true);
58: String value = request.getParameter(name);
59: if (value != null) {
60: response.print(value);
61: }
62: }
63:
64: }
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