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.portlet.tagscompiler;
24  
25  import com.liferay.portal.kernel.portlet.LiferayPortlet;
26  import com.liferay.portal.kernel.util.ArrayUtil;
27  import com.liferay.portal.kernel.util.ParamUtil;
28  import com.liferay.portal.kernel.util.StringUtil;
29  import com.liferay.portal.theme.ThemeDisplay;
30  import com.liferay.portal.util.PortalUtil;
31  import com.liferay.portal.util.PortletKeys;
32  import com.liferay.portal.util.WebKeys;
33  import com.liferay.portlet.RenderParametersPool;
34  import com.liferay.portlet.tagscompiler.util.TagsCompilerSessionUtil;
35  
36  import java.io.IOException;
37  
38  import java.util.Collection;
39  
40  import javax.portlet.PortletException;
41  import javax.portlet.RenderRequest;
42  import javax.portlet.RenderResponse;
43  
44  import javax.servlet.http.HttpServletRequest;
45  
46  import org.apache.commons.logging.Log;
47  import org.apache.commons.logging.LogFactory;
48  
49  /**
50   * <a href="TagsCompilerPortlet.java.html"><b><i>View Source</i></b></a>
51   *
52   * @author Brian Wing Shun Chan
53   *
54   */
55  public class TagsCompilerPortlet extends LiferayPortlet {
56  
57      public void render(RenderRequest req, RenderResponse res)
58          throws IOException, PortletException {
59  
60          // Compile entries
61  
62          String entriesFromURL = ParamUtil.getString(req, "entries");
63          String[] entriesFromURLArray = StringUtil.split(entriesFromURL);
64  
65          if (_log.isDebugEnabled()) {
66              _log.debug("Entries from friendly URL " + entriesFromURL);
67          }
68  
69          Collection<String> entriesFromSession =
70              TagsCompilerSessionUtil.getEntries(req);
71          String[] entriesFromSessionArray = entriesFromSession.toArray(
72              new String[entriesFromSession.size()]);
73  
74          if (_log.isDebugEnabled()) {
75              _log.debug(
76                  "Entries from session " +
77                      StringUtil.merge(entriesFromSessionArray));
78          }
79  
80          String[] entries = ArrayUtil.append(
81              entriesFromURLArray, entriesFromSessionArray);
82  
83          req.setAttribute(WebKeys.TAGS_COMPILER_ENTRIES, entries);
84  
85          // Clear render parameters cache
86  
87          HttpServletRequest httpReq = PortalUtil.getHttpServletRequest(req);
88  
89          ThemeDisplay themeDisplay = (ThemeDisplay)req.getAttribute(
90              WebKeys.THEME_DISPLAY);
91  
92          RenderParametersPool.clear(
93              httpReq, themeDisplay.getPlid(), PortletKeys.TAGS_COMPILER);
94      }
95  
96      private static Log _log = LogFactory.getLog(TagsCompilerPortlet.class);
97  
98  }