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.kernel.language.LanguageUtil;
26  import com.liferay.portal.kernel.servlet.ImageServletTokenUtil;
27  import com.liferay.portal.kernel.upload.UploadServletRequest;
28  import com.liferay.portal.kernel.util.Constants;
29  import com.liferay.portal.kernel.util.FileUtil;
30  import com.liferay.portal.kernel.util.ParamUtil;
31  import com.liferay.portal.kernel.util.StringPool;
32  import com.liferay.portal.kernel.util.Validator;
33  import com.liferay.portal.model.User;
34  import com.liferay.portal.service.ImageLocalServiceUtil;
35  import com.liferay.portal.theme.ThemeDisplay;
36  import com.liferay.portal.upload.UploadServletRequestImpl;
37  import com.liferay.portal.util.PortalUtil;
38  import com.liferay.portal.util.WebKeys;
39  import com.liferay.portlet.journal.model.JournalArticle;
40  import com.liferay.portlet.journal.model.JournalTemplate;
41  import com.liferay.portlet.journal.model.impl.JournalArticleImpl;
42  import com.liferay.portlet.journal.service.JournalArticleImageLocalServiceUtil;
43  import com.liferay.portlet.journal.service.JournalArticleServiceUtil;
44  import com.liferay.portlet.journal.service.JournalTemplateLocalServiceUtil;
45  import com.liferay.portlet.journal.util.JournalUtil;
46  import com.liferay.util.PwdGenerator;
47  
48  import java.io.File;
49  import java.io.StringReader;
50  
51  import java.util.Date;
52  import java.util.Iterator;
53  import java.util.Map;
54  
55  import javax.servlet.http.HttpServletRequest;
56  import javax.servlet.http.HttpServletResponse;
57  
58  import org.apache.struts.action.Action;
59  import org.apache.struts.action.ActionForm;
60  import org.apache.struts.action.ActionForward;
61  import org.apache.struts.action.ActionMapping;
62  
63  import org.dom4j.Document;
64  import org.dom4j.Element;
65  import org.dom4j.io.SAXReader;
66  
67  /**
68   * <a href="ViewArticleContentAction.java.html"><b><i>View Source</i></b></a>
69   *
70   * @author Brian Wing Shun Chan
71   * @author Raymond Augé
72   *
73   */
74  public class ViewArticleContentAction extends Action {
75  
76      public ActionForward execute(
77              ActionMapping mapping, ActionForm form, HttpServletRequest request,
78              HttpServletResponse response)
79          throws Exception {
80  
81          UploadServletRequest uploadRequest = null;
82  
83          try {
84              String cmd = ParamUtil.getString(request, Constants.CMD);
85  
86              ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
87                  WebKeys.THEME_DISPLAY);
88  
89              long groupId = ParamUtil.getLong(request, "groupId");
90              String articleId = ParamUtil.getString(request, "articleId");
91              double version = ParamUtil.getDouble(
92                  request, "version", JournalArticleImpl.DEFAULT_VERSION);
93  
94              String languageId = LanguageUtil.getLanguageId(request);
95  
96              String output = null;
97  
98              if (cmd.equals(Constants.PREVIEW)) {
99                  uploadRequest = new UploadServletRequestImpl(request);
100 
101                 String title = ParamUtil.getString(uploadRequest, "title");
102                 String description = ParamUtil.getString(
103                     uploadRequest, "description");
104 
105                 Date now = new Date();
106 
107                 Date createDate = now;
108                 Date modifiedDate = now;
109                 Date displayDate = now;
110 
111                 User user = PortalUtil.getUser(uploadRequest);
112 
113                 String xml = ParamUtil.getString(uploadRequest, "xml");
114 
115                 SAXReader reader = new SAXReader();
116 
117                 Document doc = reader.read(new StringReader(xml));
118 
119                 Element root = doc.getRootElement();
120 
121                 String previewArticleId =
122                     "PREVIEW_" +
123                     PwdGenerator.getPassword(PwdGenerator.KEY3, 10);
124 
125                 format(
126                     groupId, articleId, version, previewArticleId, root,
127                     uploadRequest);
128 
129                 Map<String, String> tokens = JournalUtil.getTokens(
130                     groupId, themeDisplay);
131 
132                 tokens.put("article_resource_pk", "-1");
133 
134                 JournalArticle article = new JournalArticleImpl();
135 
136                 article.setUserId(user.getUserId());
137                 article.setCreateDate(createDate);
138                 article.setModifiedDate(modifiedDate);
139                 article.setArticleId(articleId);
140                 article.setVersion(version);
141                 article.setTitle(title);
142                 article.setDescription(description);
143                 article.setDisplayDate(displayDate);
144 
145                 JournalUtil.addAllReservedEls(root, tokens, article);
146 
147                 xml = JournalUtil.formatXML(doc);
148 
149                 String templateId = ParamUtil.getString(
150                     uploadRequest, "templateId");
151 
152                 JournalTemplate template =
153                     JournalTemplateLocalServiceUtil.getTemplate(
154                         groupId, templateId);
155 
156                 String langType = template.getLangType();
157                 String script = template.getXsl();
158 
159                 output = JournalUtil.transform(
160                     tokens, languageId, xml, script, langType);
161             }
162             else {
163                 output = JournalArticleServiceUtil.getArticleContent(
164                     groupId, articleId, version, languageId, themeDisplay);
165             }
166 
167             request.setAttribute(WebKeys.JOURNAL_ARTICLE_CONTENT, output);
168 
169             if (output.startsWith("<?xml ")) {
170                 return mapping.findForward(
171                     "portlet.journal.raw_article_content");
172             }
173             else {
174                 return mapping.findForward(
175                     "portlet.journal.view_article_content");
176             }
177         }
178         catch (Exception e) {
179             PortalUtil.sendError(e, request, response);
180 
181             return null;
182         }
183         finally {
184             if (uploadRequest != null) {
185                 uploadRequest.cleanUp();
186             }
187         }
188     }
189 
190     protected void format(
191             long groupId, String articleId, double version,
192             String previewArticleId, Element root,
193             UploadServletRequest uploadRequest)
194         throws Exception {
195 
196         Iterator<Element> itr = root.elements().iterator();
197 
198         while (itr.hasNext()) {
199             Element el = itr.next();
200 
201             Element dynamicContent = el.element("dynamic-content");
202 
203             String elName = el.attributeValue("name", StringPool.BLANK);
204             String elType = el.attributeValue("type", StringPool.BLANK);
205             String elContent = StringPool.BLANK;
206             String elLanguage = StringPool.BLANK;
207 
208             if (dynamicContent != null) {
209                 elContent = dynamicContent.getTextTrim();
210 
211                 elLanguage = dynamicContent.attributeValue(
212                     "language-id", StringPool.BLANK);
213 
214                 if (!elLanguage.equals(StringPool.BLANK)) {
215                     elLanguage = "_" + elLanguage;
216                 }
217             }
218 
219             if (elType.equals("image") && Validator.isNull(elContent)) {
220                 File file = uploadRequest.getFile(
221                     "structure_image_" + elName + elLanguage);
222                 byte[] bytes = FileUtil.getBytes(file);
223 
224                 if ((bytes != null) && (bytes.length > 0)) {
225                     long imageId =
226                         JournalArticleImageLocalServiceUtil.getArticleImageId(
227                             groupId, previewArticleId, version, elName,
228                             elLanguage, true);
229 
230                     String token = ImageServletTokenUtil.getToken(imageId);
231 
232                     dynamicContent.setText(
233                         "/image/journal/article?img_id=" + imageId + "&t=" +
234                             token);
235 
236                     ImageLocalServiceUtil.updateImage(imageId, bytes);
237                 }
238                 else {
239                     if (Validator.isNotNull(articleId)) {
240                         long imageId = JournalArticleImageLocalServiceUtil.
241                             getArticleImageId(
242                                 groupId, articleId, version, elName,
243                                 elLanguage);
244 
245                         String token = ImageServletTokenUtil.getToken(imageId);
246 
247                         dynamicContent.setText(
248                             "/image/journal/article?img_id=" + imageId +
249                                 "&t=" + token);
250                     }
251                 }
252             }
253 
254             format(
255                 groupId, articleId, version, previewArticleId, el,
256                 uploadRequest);
257         }
258     }
259 
260 }