| RenderURLParamsTagUtil.java |
1 /**
2 * Copyright (c) 2000-2009 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.log.Log;
26 import com.liferay.portal.kernel.log.LogFactoryUtil;
27 import com.liferay.portal.kernel.util.HttpUtil;
28 import com.liferay.portal.kernel.util.StringPool;
29 import com.liferay.portal.kernel.util.StringUtil;
30 import com.liferay.portal.kernel.util.Validator;
31
32 import java.util.StringTokenizer;
33
34 import javax.portlet.PortletURL;
35
36 import javax.servlet.jsp.JspException;
37 import javax.servlet.jsp.PageContext;
38
39 /**
40 * <a href="RenderURLParamsTagUtil.java.html"><b><i>View Source</i></b></a>
41 *
42 * @author Brian Wing Shun Chan
43 *
44 */
45 public class RenderURLParamsTagUtil {
46
47 public static String doEndTag(String varImpl, PageContext pageContext)
48 throws JspException {
49
50 try {
51 PortletURL portletURL =
52 (PortletURL)pageContext.getAttribute(varImpl);
53
54 String params = StringPool.BLANK;
55
56 if (portletURL != null) {
57 params = _toParamsString(portletURL);
58
59 pageContext.getOut().print(params);
60 }
61
62 return params;
63 }
64 catch (Exception e) {
65 _log.error(e, e);
66
67 throw new JspException(e);
68 }
69 }
70
71 private static String _toParamsString(PortletURL portletURL)
72 throws Exception {
73
74 StringBuilder sb = new StringBuilder();
75
76 String url = portletURL.toString();
77
78 String queryString = HttpUtil.getQueryString(url);
79
80 StringTokenizer st = new StringTokenizer(
81 queryString, StringPool.AMPERSAND);
82
83 while (st.hasMoreTokens()) {
84 String token = st.nextToken();
85
86 if (Validator.isNotNull(token)) {
87 String[] kvp = StringUtil.split(token, StringPool.EQUAL);
88
89 if ((kvp != null) && (kvp.length > 0)) {
90 String key = kvp[0];
91 String value = StringPool.BLANK;
92
93 if (kvp.length > 1) {
94 value = kvp[1];
95 }
96
97 value = HttpUtil.decodeURL(value);
98
99 sb.append("<input name=\"");
100 sb.append(key);
101 sb.append("\" type=\"hidden\" value=\"");
102 sb.append(value);
103 sb.append("\" />");
104 }
105 }
106 }
107
108 return sb.toString();
109 }
110
111 private static Log _log = LogFactoryUtil.getLog(ActionURLTagUtil.class);
112
113 }