1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portlet.journalcontent.action;
21  
22  import com.liferay.portal.kernel.language.LanguageUtil;
23  import com.liferay.portal.kernel.util.GetterUtil;
24  import com.liferay.portal.kernel.util.ParamUtil;
25  import com.liferay.portal.kernel.util.StringPool;
26  import com.liferay.portal.kernel.util.Validator;
27  import com.liferay.portal.struts.PortletAction;
28  import com.liferay.portal.theme.ThemeDisplay;
29  import com.liferay.portal.util.WebKeys;
30  import com.liferay.portlet.journal.model.JournalArticleDisplay;
31  import com.liferay.portlet.journalcontent.util.JournalContentUtil;
32  import com.liferay.util.portlet.PortletRequestUtil;
33  
34  import javax.portlet.PortletConfig;
35  import javax.portlet.PortletPreferences;
36  import javax.portlet.RenderRequest;
37  import javax.portlet.RenderResponse;
38  
39  import org.apache.struts.action.ActionForm;
40  import org.apache.struts.action.ActionForward;
41  import org.apache.struts.action.ActionMapping;
42  
43  /**
44   * <a href="ViewAction.java.html"><b><i>View Source</i></b></a>
45   *
46   * @author Brian Wing Shun Chan
47   * @author Raymond Augé
48   *
49   */
50  public class ViewAction extends PortletAction {
51  
52      public ActionForward render(
53              ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
54              RenderRequest renderRequest, RenderResponse renderResponse)
55          throws Exception {
56  
57          PortletPreferences prefs = renderRequest.getPreferences();
58  
59          ThemeDisplay themeDisplay = (ThemeDisplay)renderRequest.getAttribute(
60              WebKeys.THEME_DISPLAY);
61  
62          long groupId = ParamUtil.getLong(renderRequest, "groupId");
63  
64          if (groupId < 1) {
65              groupId = GetterUtil.getLong(
66                  prefs.getValue("group-id", StringPool.BLANK));
67          }
68  
69          String articleId = ParamUtil.getString(renderRequest, "articleId");
70          String templateId = ParamUtil.getString(renderRequest, "templateId");
71  
72          if (Validator.isNull(articleId)) {
73              articleId = GetterUtil.getString(
74                  prefs.getValue("article-id", StringPool.BLANK));
75              templateId = GetterUtil.getString(
76                  prefs.getValue("template-id", StringPool.BLANK));
77          }
78  
79          String languageId = LanguageUtil.getLanguageId(renderRequest);
80  
81          int page = ParamUtil.getInteger(renderRequest, "page", 1);
82  
83          String xmlRequest = PortletRequestUtil.toXML(
84              renderRequest, renderResponse);
85  
86          JournalArticleDisplay articleDisplay = null;
87  
88          if ((groupId > 0) && Validator.isNotNull(articleId)) {
89              articleDisplay = JournalContentUtil.getDisplay(
90                  groupId, articleId, templateId, languageId, themeDisplay,
91                  page, xmlRequest);
92          }
93  
94          if (articleDisplay != null) {
95              renderRequest.setAttribute(
96                  WebKeys.JOURNAL_ARTICLE_DISPLAY, articleDisplay);
97          }
98          else {
99              renderRequest.removeAttribute(WebKeys.JOURNAL_ARTICLE_DISPLAY);
100 
101             // Don't decorate this portlet if there is no content. This will
102             // prevent end users from seeing empty portlets from expired
103             // articles. Administrators can still see the portlet and either
104             // remove the portlet or select a new article.
105 
106             renderRequest.setAttribute(WebKeys.PORTLET_DECORATE, Boolean.FALSE);
107         }
108 
109         return mapping.findForward("portlet.journal_content.view");
110     }
111 
112 }