01: /*
02: * (C) Copyright 2004 Nabh Information Systems, Inc.
03: *
04: * All copyright notices regarding Nabh's products MUST remain
05: * intact in the scripts and in the outputted HTML.
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public License
08: * as published by the Free Software Foundation; either version 2.1
09: * of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public License
17: * along with this program; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19: *
20: */
21: package com.nabhinc.portlet.mvcportlet.taglib;
22:
23: import javax.portlet.RenderRequest;
24: import javax.servlet.jsp.JspException;
25: import javax.servlet.jsp.JspWriter;
26: import javax.servlet.jsp.tagext.TagSupport;
27:
28: /**
29: *
30: *
31: * @author Padmanabh Dabke
32: * (c) 2004 Nabh Information Systems, Inc. All Rights Reserved.
33: */
34: public class ParamTag extends TagSupport {
35: private String ptName = null;
36:
37: public void release() {
38: super .release();
39: ptName = null;
40: }
41:
42: public String getName() {
43: return ptName;
44: }
45:
46: public void setName(String name) {
47: ptName = name;
48: }
49:
50: public int doStartTag() throws JspException {
51:
52: try {
53: RenderRequest request = (RenderRequest) pageContext
54: .getRequest().getAttribute("javax.portlet.request");
55: JspWriter out = pageContext.getOut();
56: String paramValue = request.getParameter(ptName);
57: if (paramValue != null) {
58: out.print(paramValue);
59: out.flush();
60: }
61: } catch (Exception ex) {
62: throw new JspException(ex);
63: }
64:
65: return SKIP_BODY;
66: }
67:
68: public int doEndTag() {
69: return EVAL_PAGE;
70: }
71:
72: }
|