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.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   * @author Raymond Augé
51   *
52   */
53  public class ViewAction extends PortletAction {
54  
55      public ActionForward render(
56              ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
57              RenderRequest renderRequest, RenderResponse renderResponse)
58          throws Exception {
59  
60          PortletPreferences prefs = renderRequest.getPreferences();
61  
62          ThemeDisplay themeDisplay = (ThemeDisplay)renderRequest.getAttribute(
63              WebKeys.THEME_DISPLAY);
64  
65          long groupId = ParamUtil.getLong(renderRequest, "groupId");
66  
67          if (groupId < 1) {
68              groupId = GetterUtil.getLong(
69                  prefs.getValue("group-id", StringPool.BLANK));
70          }
71  
72          String articleId = ParamUtil.getString(renderRequest, "articleId");
73          String templateId = ParamUtil.getString(renderRequest, "templateId");
74  
75          if (Validator.isNull(articleId)) {
76              articleId = GetterUtil.getString(
77                  prefs.getValue("article-id", StringPool.BLANK));
78              templateId = GetterUtil.getString(
79                  prefs.getValue("template-id", StringPool.BLANK));
80          }
81  
82          String languageId = LanguageUtil.getLanguageId(renderRequest);
83  
84          int page = ParamUtil.getInteger(renderRequest, "page", 1);
85  
86          String xmlRequest = PortletRequestUtil.toXML(
87              renderRequest, renderResponse);
88  
89          JournalArticleDisplay articleDisplay = null;
90  
91          if ((groupId > 0) && Validator.isNotNull(articleId)) {
92              articleDisplay = JournalContentUtil.getDisplay(
93                  groupId, articleId, templateId, languageId, themeDisplay,
94                  page, xmlRequest);
95          }
96  
97          if (articleDisplay != null) {
98              renderRequest.setAttribute(
99                  WebKeys.JOURNAL_ARTICLE_DISPLAY, articleDisplay);
100         }
101         else {
102             renderRequest.removeAttribute(WebKeys.JOURNAL_ARTICLE_DISPLAY);
103 
104             // Don't decorate this portlet if there is no content. This will
105             // prevent end users from seeing empty portlets from expired
106             // articles. Administrators can still see the portlet and either
107             // remove the portlet or select a new article.
108 
109             renderRequest.setAttribute(WebKeys.PORTLET_DECORATE, Boolean.FALSE);
110         }
111 
112         return mapping.findForward("portlet.journal_content.view");
113     }
114 
115 }