1   /**
2    * Copyright (c) 2000-2010 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   *
12   *
13   */
14  
15  package com.liferay.portlet.journal.action;
16  
17  import com.liferay.portal.kernel.language.LanguageUtil;
18  import com.liferay.portal.kernel.servlet.ImageServletTokenUtil;
19  import com.liferay.portal.kernel.upload.UploadServletRequest;
20  import com.liferay.portal.kernel.util.Constants;
21  import com.liferay.portal.kernel.util.FileUtil;
22  import com.liferay.portal.kernel.util.ParamUtil;
23  import com.liferay.portal.kernel.util.StringPool;
24  import com.liferay.portal.kernel.util.Validator;
25  import com.liferay.portal.kernel.xml.Document;
26  import com.liferay.portal.kernel.xml.Element;
27  import com.liferay.portal.kernel.xml.SAXReaderUtil;
28  import com.liferay.portal.model.User;
29  import com.liferay.portal.service.ImageLocalServiceUtil;
30  import com.liferay.portal.theme.ThemeDisplay;
31  import com.liferay.portal.util.PortalUtil;
32  import com.liferay.portal.util.WebKeys;
33  import com.liferay.portlet.journal.model.JournalArticle;
34  import com.liferay.portlet.journal.model.impl.JournalArticleImpl;
35  import com.liferay.portlet.journal.service.JournalArticleImageLocalServiceUtil;
36  import com.liferay.portlet.journal.service.JournalArticleLocalServiceUtil;
37  import com.liferay.portlet.journal.service.JournalArticleServiceUtil;
38  import com.liferay.portlet.journal.util.JournalUtil;
39  import com.liferay.util.PwdGenerator;
40  
41  import java.io.File;
42  
43  import java.util.Date;
44  import java.util.Iterator;
45  import java.util.Map;
46  
47  import javax.servlet.http.HttpServletRequest;
48  import javax.servlet.http.HttpServletResponse;
49  
50  import org.apache.struts.action.Action;
51  import org.apache.struts.action.ActionForm;
52  import org.apache.struts.action.ActionForward;
53  import org.apache.struts.action.ActionMapping;
54  
55  /**
56   * <a href="ViewArticleContentAction.java.html"><b><i>View Source</i></b></a>
57   *
58   * @author Brian Wing Shun Chan
59   * @author Raymond Augé
60   */
61  public class ViewArticleContentAction extends Action {
62  
63      public ActionForward execute(
64              ActionMapping mapping, ActionForm form, HttpServletRequest request,
65              HttpServletResponse response)
66          throws Exception {
67  
68          UploadServletRequest uploadRequest = null;
69  
70          try {
71              String cmd = ParamUtil.getString(request, Constants.CMD);
72  
73              ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
74                  WebKeys.THEME_DISPLAY);
75  
76              long groupId = ParamUtil.getLong(request, "groupId");
77              String articleId = ParamUtil.getString(request, "articleId");
78              double version = ParamUtil.getDouble(
79                  request, "version", JournalArticleImpl.DEFAULT_VERSION);
80  
81              String languageId = LanguageUtil.getLanguageId(request);
82  
83              String output = null;
84  
85              if (cmd.equals(Constants.PREVIEW)) {
86                  uploadRequest = PortalUtil.getUploadServletRequest(request);
87  
88                  String title = ParamUtil.getString(uploadRequest, "title");
89                  String description = ParamUtil.getString(
90                      uploadRequest, "description");
91                  String type = ParamUtil.getString(uploadRequest, "type");
92                  String structureId = ParamUtil.getString(
93                      uploadRequest, "structureId");
94                  String templateId = ParamUtil.getString(
95                      uploadRequest, "templateId");
96  
97                  Date now = new Date();
98  
99                  Date createDate = now;
100                 Date modifiedDate = now;
101                 Date displayDate = now;
102 
103                 User user = PortalUtil.getUser(uploadRequest);
104 
105                 String xml = ParamUtil.getString(uploadRequest, "xml");
106 
107                 Document doc = SAXReaderUtil.read(xml);
108 
109                 Element root = doc.getRootElement();
110 
111                 String previewArticleId =
112                     "PREVIEW_" +
113                         PwdGenerator.getPassword(PwdGenerator.KEY3, 10);
114 
115                 format(
116                     groupId, articleId, version, previewArticleId, root,
117                     uploadRequest);
118 
119                 Map<String, String> tokens = JournalUtil.getTokens(
120                     groupId, themeDisplay);
121 
122                 tokens.put("article_resource_pk", "-1");
123 
124                 JournalArticle article = new JournalArticleImpl();
125 
126                 article.setGroupId(groupId);
127                 article.setCompanyId(user.getCompanyId());
128                 article.setUserId(user.getUserId());
129                 article.setUserName(user.getFullName());
130                 article.setCreateDate(createDate);
131                 article.setModifiedDate(modifiedDate);
132                 article.setArticleId(articleId);
133                 article.setVersion(version);
134                 article.setTitle(title);
135                 article.setDescription(description);
136                 article.setContent(xml);
137                 article.setType(type);
138                 article.setStructureId(structureId);
139                 article.setTemplateId(templateId);
140                 article.setDisplayDate(displayDate);
141 
142                 output = JournalArticleLocalServiceUtil.getArticleContent(
143                     article, templateId, null, languageId, themeDisplay);
144             }
145             else {
146                 output = JournalArticleServiceUtil.getArticleContent(
147                     groupId, articleId, version, languageId, themeDisplay);
148             }
149 
150             request.setAttribute(WebKeys.JOURNAL_ARTICLE_CONTENT, output);
151 
152             if (output.startsWith("<?xml ")) {
153                 return mapping.findForward(
154                     "portlet.journal.raw_article_content");
155             }
156             else {
157                 return mapping.findForward(
158                     "portlet.journal.view_article_content");
159             }
160         }
161         catch (Exception e) {
162             PortalUtil.sendError(e, request, response);
163 
164             return null;
165         }
166         finally {
167             if (uploadRequest != null) {
168                 uploadRequest.cleanUp();
169             }
170         }
171     }
172 
173     protected void format(
174             long groupId, String articleId, double version,
175             String previewArticleId, Element root,
176             UploadServletRequest uploadRequest)
177         throws Exception {
178 
179         Iterator<Element> itr = root.elements().iterator();
180 
181         while (itr.hasNext()) {
182             Element el = itr.next();
183 
184             Element dynamicContent = el.element("dynamic-content");
185 
186             String elInstanceId = el.attributeValue(
187                 "instance-id", StringPool.BLANK);
188             String elName = el.attributeValue("name", StringPool.BLANK);
189             String elType = el.attributeValue("type", StringPool.BLANK);
190             String elContent = StringPool.BLANK;
191             String elLanguage = StringPool.BLANK;
192 
193             if (dynamicContent != null) {
194                 elContent = dynamicContent.getTextTrim();
195 
196                 elLanguage = dynamicContent.attributeValue(
197                     "language-id", StringPool.BLANK);
198 
199                 if (!elLanguage.equals(StringPool.BLANK)) {
200                     elLanguage = "_" + elLanguage;
201                 }
202             }
203 
204             if (elType.equals("image") && Validator.isNull(elContent)) {
205                 File file = uploadRequest.getFile(
206                     "structure_image_" + elName + elLanguage);
207                 byte[] bytes = FileUtil.getBytes(file);
208 
209                 if ((bytes != null) && (bytes.length > 0)) {
210                     long imageId =
211                         JournalArticleImageLocalServiceUtil.getArticleImageId(
212                             groupId, previewArticleId, version, elInstanceId,
213                             elName, elLanguage, true);
214 
215                     String token = ImageServletTokenUtil.getToken(imageId);
216 
217                     dynamicContent.setText(
218                         "/image/journal/article?img_id=" + imageId + "&t=" +
219                             token);
220 
221                     ImageLocalServiceUtil.updateImage(imageId, bytes);
222                 }
223                 else {
224                     if (Validator.isNotNull(articleId)) {
225                         long imageId = JournalArticleImageLocalServiceUtil.
226                             getArticleImageId(
227                                 groupId, articleId, version, elInstanceId,
228                                 elName, elLanguage);
229 
230                         String token = ImageServletTokenUtil.getToken(imageId);
231 
232                         dynamicContent.setText(
233                             "/image/journal/article?img_id=" + imageId +
234                                 "&t=" + token);
235                     }
236                 }
237             }
238 
239             format(
240                 groupId, articleId, version, previewArticleId, el,
241                 uploadRequest);
242         }
243     }
244 
245 }