1   /**
2    * Copyright (c) 2000-2007 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.StringMaker;
26  import com.liferay.portal.kernel.util.StringPool;
27  import com.liferay.portal.kernel.util.StringUtil;
28  import com.liferay.portal.kernel.util.Validator;
29  import com.liferay.util.Http;
30  import com.liferay.util.HttpUtil;
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  import org.apache.commons.logging.Log;
40  import org.apache.commons.logging.LogFactory;
41  
42  /**
43   * <a href="RenderURLParamsTagUtil.java.html"><b><i>View Source</i></b></a>
44   *
45   * @author Brian Wing Shun Chan
46   *
47   */
48  public class RenderURLParamsTagUtil {
49  
50      public static String doEndTag(String varImpl, PageContext pageContext)
51          throws JspException {
52  
53          try {
54              PortletURL portletURL =
55                  (PortletURL)pageContext.getAttribute(varImpl);
56  
57              String params = StringPool.BLANK;
58  
59              if (portletURL != null) {
60                  params = _toParamsString(portletURL);
61  
62                  pageContext.getOut().print(params);
63              }
64  
65              return params;
66          }
67          catch (Exception e) {
68              _log.error(e, e);
69  
70              throw new JspException(e);
71          }
72      }
73  
74      private static String _toParamsString(PortletURL portletURL)
75          throws Exception {
76  
77          StringMaker sm = new StringMaker();
78  
79          String url = portletURL.toString();
80  
81          String queryString = Http.getQueryString(url);
82  
83          StringTokenizer st = new StringTokenizer(
84              queryString, StringPool.AMPERSAND);
85  
86          while (st.hasMoreTokens()) {
87              String token = st.nextToken();
88  
89              if (Validator.isNotNull(token)) {
90                  String[] kvp = StringUtil.split(token, StringPool.EQUAL);
91  
92                  if ((kvp != null) && (kvp.length > 0)) {
93                      String key = kvp[0];
94                      String value = StringPool.BLANK;
95  
96                      if (kvp.length > 1) {
97                          value = kvp[1];
98                      }
99  
100                     value = HttpUtil.decodeURL(value);
101 
102                     sm.append("<input name=\"");
103                     sm.append(key);
104                     sm.append("\" type=\"hidden\" value=\"");
105                     sm.append(value);
106                     sm.append("\" />");
107                 }
108             }
109         }
110 
111         return sm.toString();
112     }
113 
114     private static Log _log = LogFactory.getLog(ActionURLTagUtil.class);
115 
116 }