| RenderURLParamsTagUtil.java |
1 /**
2 * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.servlet.taglib.portlet;
24
25 import com.liferay.portal.kernel.util.HttpUtil;
26 import com.liferay.portal.kernel.util.StringMaker;
27 import com.liferay.portal.kernel.util.StringPool;
28 import com.liferay.portal.kernel.util.StringUtil;
29 import com.liferay.portal.kernel.util.Validator;
30
31 import java.util.StringTokenizer;
32
33 import javax.portlet.PortletURL;
34
35 import javax.servlet.jsp.JspException;
36 import javax.servlet.jsp.PageContext;
37
38 import org.apache.commons.logging.Log;
39 import org.apache.commons.logging.LogFactory;
40
41 /**
42 * <a href="RenderURLParamsTagUtil.java.html"><b><i>View Source</i></b></a>
43 *
44 * @author Brian Wing Shun Chan
45 *
46 */
47 public class RenderURLParamsTagUtil {
48
49 public static String doEndTag(String varImpl, PageContext pageContext)
50 throws JspException {
51
52 try {
53 PortletURL portletURL =
54 (PortletURL)pageContext.getAttribute(varImpl);
55
56 String params = StringPool.BLANK;
57
58 if (portletURL != null) {
59 params = _toParamsString(portletURL);
60
61 pageContext.getOut().print(params);
62 }
63
64 return params;
65 }
66 catch (Exception e) {
67 _log.error(e, e);
68
69 throw new JspException(e);
70 }
71 }
72
73 private static String _toParamsString(PortletURL portletURL)
74 throws Exception {
75
76 StringMaker sm = new StringMaker();
77
78 String url = portletURL.toString();
79
80 String queryString = HttpUtil.getQueryString(url);
81
82 StringTokenizer st = new StringTokenizer(
83 queryString, StringPool.AMPERSAND);
84
85 while (st.hasMoreTokens()) {
86 String token = st.nextToken();
87
88 if (Validator.isNotNull(token)) {
89 String[] kvp = StringUtil.split(token, StringPool.EQUAL);
90
91 if ((kvp != null) && (kvp.length > 0)) {
92 String key = kvp[0];
93 String value = StringPool.BLANK;
94
95 if (kvp.length > 1) {
96 value = kvp[1];
97 }
98
99 value = HttpUtil.decodeURL(value);
100
101 sm.append("<input name=\"");
102 sm.append(key);
103 sm.append("\" type=\"hidden\" value=\"");
104 sm.append(value);
105 sm.append("\" />");
106 }
107 }
108 }
109
110 return sm.toString();
111 }
112
113 private static Log _log = LogFactory.getLog(ActionURLTagUtil.class);
114
115 }