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.portlet.journalcontent.action;
24  
25  import com.liferay.portal.kernel.language.LanguageUtil;
26  import com.liferay.portal.kernel.util.GetterUtil;
27  import com.liferay.portal.kernel.util.ParamUtil;
28  import com.liferay.portal.kernel.util.StringPool;
29  import com.liferay.portal.kernel.util.Validator;
30  import com.liferay.portal.struts.PortletAction;
31  import com.liferay.portal.theme.ThemeDisplay;
32  import com.liferay.portal.util.WebKeys;
33  import com.liferay.portlet.journal.model.JournalArticleDisplay;
34  import com.liferay.portlet.journalcontent.util.JournalContentUtil;
35  import com.liferay.util.portlet.PortletRequestUtil;
36  
37  import javax.portlet.PortletConfig;
38  import javax.portlet.PortletPreferences;
39  import javax.portlet.RenderRequest;
40  import javax.portlet.RenderResponse;
41  
42  import org.apache.struts.action.ActionForm;
43  import org.apache.struts.action.ActionForward;
44  import org.apache.struts.action.ActionMapping;
45  
46  /**
47   * <a href="ViewAction.java.html"><b><i>View Source</i></b></a>
48   *
49   * @author Brian Wing Shun Chan
50   *
51   */
52  public class ViewAction extends PortletAction {
53  
54      public ActionForward render(
55              ActionMapping mapping, ActionForm form, PortletConfig config,
56              RenderRequest req, RenderResponse res)
57          throws Exception {
58  
59          PortletPreferences prefs = req.getPreferences();
60  
61          ThemeDisplay themeDisplay =
62              (ThemeDisplay)req.getAttribute(WebKeys.THEME_DISPLAY);
63  
64          long groupId = ParamUtil.getLong(req, "groupId");
65  
66          if (groupId < 1) {
67              groupId = GetterUtil.getLong(
68                  prefs.getValue("group-id", StringPool.BLANK));
69          }
70  
71          String articleId = ParamUtil.getString(req, "articleId");
72          String templateId = ParamUtil.getString(req, "templateId");
73  
74          if (Validator.isNull(articleId)) {
75              articleId = GetterUtil.getString(
76                  prefs.getValue("article-id", StringPool.BLANK));
77              templateId = GetterUtil.getString(
78                  prefs.getValue("template-id", StringPool.BLANK));
79          }
80  
81          String languageId = LanguageUtil.getLanguageId(req);
82  
83          boolean disableCaching = GetterUtil.getBoolean(
84              prefs.getValue("disable-caching", StringPool.BLANK));
85  
86          String xmlRequest = PortletRequestUtil.toXML(req, res);
87  
88          JournalArticleDisplay articleDisplay = null;
89  
90          if ((groupId > 0) && Validator.isNotNull(articleId)) {
91              articleDisplay = JournalContentUtil.getDisplay(
92                  groupId, articleId, templateId, languageId, themeDisplay,
93                  disableCaching, xmlRequest);
94          }
95  
96          if (articleDisplay != null) {
97              req.setAttribute(WebKeys.JOURNAL_ARTICLE_DISPLAY, articleDisplay);
98          }
99          else {
100             req.removeAttribute(WebKeys.JOURNAL_ARTICLE_DISPLAY);
101 
102             // Don't decorate this portlet if there is no content. This will
103             // prevent end users from seeing empty portlets from expired
104             // articles. Administrators can still see the portlet and either
105             // remove the portlet or select a new article.
106 
107             req.setAttribute(WebKeys.PORTLET_DECORATE, Boolean.FALSE);
108         }
109 
110         return mapping.findForward("portlet.journal_content.view");
111     }
112 
113 }