| 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.HtmlUtil;
28 import com.liferay.portal.kernel.util.HttpUtil;
29 import com.liferay.portal.kernel.util.StringPool;
30 import com.liferay.portal.kernel.util.StringUtil;
31 import com.liferay.portal.kernel.util.Validator;
32
33 import java.util.StringTokenizer;
34
35 import javax.portlet.PortletURL;
36
37 import javax.servlet.jsp.JspException;
38 import javax.servlet.jsp.PageContext;
39
40 /**
41 * <a href="RenderURLParamsTagUtil.java.html"><b><i>View Source</i></b></a>
42 *
43 * @author Brian Wing Shun Chan
44 *
45 */
46 public class RenderURLParamsTagUtil {
47
48 public static String doEndTag(String varImpl, PageContext pageContext)
49 throws JspException {
50
51 try {
52 PortletURL portletURL =
53 (PortletURL)pageContext.getAttribute(varImpl);
54
55 String params = StringPool.BLANK;
56
57 if (portletURL != null) {
58 params = _toParamsString(portletURL);
59
60 pageContext.getOut().print(params);
61 }
62
63 return params;
64 }
65 catch (Exception e) {
66 _log.error(e, e);
67
68 throw new JspException(e);
69 }
70 }
71
72 private static String _toParamsString(PortletURL portletURL)
73 throws Exception {
74
75 StringBuilder sb = new StringBuilder();
76
77 String url = portletURL.toString();
78
79 String queryString = HttpUtil.getQueryString(url);
80
81 StringTokenizer st = new StringTokenizer(
82 queryString, StringPool.AMPERSAND);
83
84 while (st.hasMoreTokens()) {
85 String token = st.nextToken();
86
87 if (Validator.isNotNull(token)) {
88 String[] kvp = StringUtil.split(token, StringPool.EQUAL);
89
90 if ((kvp != null) && (kvp.length > 0)) {
91 String key = kvp[0];
92 String value = StringPool.BLANK;
93
94 if (kvp.length > 1) {
95 value = kvp[1];
96 }
97
98 value = HttpUtil.decodeURL(value);
99
100 sb.append("<input name=\"");
101 sb.append(key);
102 sb.append("\" type=\"hidden\" value=\"");
103 sb.append(HtmlUtil.escape(value));
104 sb.append("\" />");
105 }
106 }
107 }
108
109 return sb.toString();
110 }
111
112 private static Log _log = LogFactoryUtil.getLog(ActionURLTagUtil.class);
113
114 }