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.journal.action;
24  
25  import com.liferay.portal.PortalException;
26  import com.liferay.portal.kernel.language.LanguageUtil;
27  import com.liferay.portal.kernel.util.ContentTypes;
28  import com.liferay.portal.kernel.util.ParamUtil;
29  import com.liferay.portal.security.auth.PrincipalException;
30  import com.liferay.portal.struts.ActionConstants;
31  import com.liferay.portal.util.PortalUtil;
32  import com.liferay.portlet.journal.NoSuchArticleException;
33  import com.liferay.portlet.journal.model.JournalArticle;
34  import com.liferay.portlet.journal.service.JournalArticleLocalServiceUtil;
35  import com.liferay.util.servlet.ServletResponseUtil;
36  
37  import javax.servlet.http.HttpServletRequest;
38  import javax.servlet.http.HttpServletResponse;
39  import javax.servlet.jsp.PageContext;
40  
41  import org.apache.struts.action.Action;
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="GetLatestArticleContentAction.java.html"><b><i>View Source</i></b>
48   * </a>
49   *
50   * @author Raymond Aug�
51   * @author Brian Wing Shun Chan
52   *
53   */
54  public class GetLatestArticleContentAction extends Action {
55  
56      public ActionForward execute(
57              ActionMapping mapping, ActionForm form, HttpServletRequest req,
58              HttpServletResponse res)
59          throws Exception {
60  
61          try {
62              long groupId = ParamUtil.getLong(req, "groupId");
63              String articleId = ParamUtil.getString(req, "articleId");
64  
65              String languageId = LanguageUtil.getLanguageId(req);
66  
67              JournalArticle article =
68                  JournalArticleLocalServiceUtil.getLatestArticle(
69                      groupId, articleId, Boolean.TRUE);
70  
71              String fileName = "content.xml";
72              byte[] byteArray =
73                  article.getContentByLocale(languageId).getBytes();
74  
75              ServletResponseUtil.sendFile(
76                  res, fileName, byteArray, ContentTypes.TEXT_XML_UTF8);
77  
78              return null;
79          }
80          catch (PortalException pe) {
81              if (pe instanceof PrincipalException) {
82                  PortalUtil.sendError(
83                      HttpServletResponse.SC_FORBIDDEN, pe, req, res);
84              }
85              else if (pe instanceof NoSuchArticleException) {
86                  PortalUtil.sendError(
87                      HttpServletResponse.SC_NOT_FOUND, pe, req, res);
88              }
89  
90              return null;
91          }
92          catch (Exception e) {
93              req.setAttribute(PageContext.EXCEPTION, e);
94  
95              return mapping.findForward(ActionConstants.COMMON_ERROR);
96          }
97      }
98  
99  }