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.journal.action;
21  
22  import com.liferay.portal.kernel.language.LanguageUtil;
23  import com.liferay.portal.kernel.servlet.ImageServletTokenUtil;
24  import com.liferay.portal.kernel.upload.UploadServletRequest;
25  import com.liferay.portal.kernel.util.Constants;
26  import com.liferay.portal.kernel.util.FileUtil;
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.kernel.xml.Document;
31  import com.liferay.portal.kernel.xml.Element;
32  import com.liferay.portal.kernel.xml.SAXReaderUtil;
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.util.PortalUtil;
37  import com.liferay.portal.util.WebKeys;
38  import com.liferay.portlet.journal.model.JournalArticle;
39  import com.liferay.portlet.journal.model.impl.JournalArticleImpl;
40  import com.liferay.portlet.journal.service.JournalArticleImageLocalServiceUtil;
41  import com.liferay.portlet.journal.service.JournalArticleLocalServiceUtil;
42  import com.liferay.portlet.journal.service.JournalArticleServiceUtil;
43  import com.liferay.portlet.journal.util.JournalUtil;
44  import com.liferay.util.PwdGenerator;
45  
46  import java.io.File;
47  
48  import java.util.Date;
49  import java.util.Iterator;
50  import java.util.Map;
51  
52  import javax.servlet.http.HttpServletRequest;
53  import javax.servlet.http.HttpServletResponse;
54  
55  import org.apache.struts.action.Action;
56  import org.apache.struts.action.ActionForm;
57  import org.apache.struts.action.ActionForward;
58  import org.apache.struts.action.ActionMapping;
59  
60  /**
61   * <a href="ViewArticleContentAction.java.html"><b><i>View Source</i></b></a>
62   *
63   * @author Brian Wing Shun Chan
64   * @author Raymond Augé
65   *
66   */
67  public class ViewArticleContentAction extends Action {
68  
69      public ActionForward execute(
70              ActionMapping mapping, ActionForm form, HttpServletRequest request,
71              HttpServletResponse response)
72          throws Exception {
73  
74          UploadServletRequest uploadRequest = null;
75  
76          try {
77              String cmd = ParamUtil.getString(request, Constants.CMD);
78  
79              ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
80                  WebKeys.THEME_DISPLAY);
81  
82              long groupId = ParamUtil.getLong(request, "groupId");
83              String articleId = ParamUtil.getString(request, "articleId");
84              double version = ParamUtil.getDouble(
85                  request, "version", JournalArticleImpl.DEFAULT_VERSION);
86  
87              String languageId = LanguageUtil.getLanguageId(request);
88  
89              String output = null;
90  
91              if (cmd.equals(Constants.PREVIEW)) {
92                  uploadRequest = PortalUtil.getUploadServletRequest(request);
93  
94                  String title = ParamUtil.getString(uploadRequest, "title");
95                  String description = ParamUtil.getString(
96                      uploadRequest, "description");
97                  String type = ParamUtil.getString(uploadRequest, "type");
98                  String structureId = ParamUtil.getString(
99                      uploadRequest, "structureId");
100                 String templateId = ParamUtil.getString(
101                     uploadRequest, "templateId");
102 
103                 Date now = new Date();
104 
105                 Date createDate = now;
106                 Date modifiedDate = now;
107                 Date displayDate = now;
108 
109                 User user = PortalUtil.getUser(uploadRequest);
110 
111                 String xml = ParamUtil.getString(uploadRequest, "xml");
112 
113                 Document doc = SAXReaderUtil.read(xml);
114 
115                 Element root = doc.getRootElement();
116 
117                 String previewArticleId =
118                     "PREVIEW_" +
119                     PwdGenerator.getPassword(PwdGenerator.KEY3, 10);
120 
121                 format(
122                     groupId, articleId, version, previewArticleId, root,
123                     uploadRequest);
124 
125                 Map<String, String> tokens = JournalUtil.getTokens(
126                     groupId, themeDisplay);
127 
128                 tokens.put("article_resource_pk", "-1");
129 
130                 JournalArticle article = new JournalArticleImpl();
131 
132                 article.setGroupId(groupId);
133                 article.setCompanyId(user.getCompanyId());
134                 article.setUserId(user.getUserId());
135                 article.setUserName(user.getFullName());
136                 article.setCreateDate(createDate);
137                 article.setModifiedDate(modifiedDate);
138                 article.setArticleId(articleId);
139                 article.setVersion(version);
140                 article.setTitle(title);
141                 article.setDescription(description);
142                 article.setContent(xml);
143                 article.setType(type);
144                 article.setStructureId(structureId);
145                 article.setTemplateId(templateId);
146                 article.setDisplayDate(displayDate);
147 
148                 output = JournalArticleLocalServiceUtil.getArticleContent(
149                     article, templateId, languageId, themeDisplay);
150             }
151             else {
152                 output = JournalArticleServiceUtil.getArticleContent(
153                     groupId, articleId, version, languageId, themeDisplay);
154             }
155 
156             request.setAttribute(WebKeys.JOURNAL_ARTICLE_CONTENT, output);
157 
158             if (output.startsWith("<?xml ")) {
159                 return mapping.findForward(
160                     "portlet.journal.raw_article_content");
161             }
162             else {
163                 return mapping.findForward(
164                     "portlet.journal.view_article_content");
165             }
166         }
167         catch (Exception e) {
168             PortalUtil.sendError(e, request, response);
169 
170             return null;
171         }
172         finally {
173             if (uploadRequest != null) {
174                 uploadRequest.cleanUp();
175             }
176         }
177     }
178 
179     protected void format(
180             long groupId, String articleId, double version,
181             String previewArticleId, Element root,
182             UploadServletRequest uploadRequest)
183         throws Exception {
184 
185         Iterator<Element> itr = root.elements().iterator();
186 
187         while (itr.hasNext()) {
188             Element el = itr.next();
189 
190             Element dynamicContent = el.element("dynamic-content");
191 
192             String elName = el.attributeValue("name", StringPool.BLANK);
193             String elType = el.attributeValue("type", StringPool.BLANK);
194             String elContent = StringPool.BLANK;
195             String elLanguage = StringPool.BLANK;
196 
197             if (dynamicContent != null) {
198                 elContent = dynamicContent.getTextTrim();
199 
200                 elLanguage = dynamicContent.attributeValue(
201                     "language-id", StringPool.BLANK);
202 
203                 if (!elLanguage.equals(StringPool.BLANK)) {
204                     elLanguage = "_" + elLanguage;
205                 }
206             }
207 
208             if (elType.equals("image") && Validator.isNull(elContent)) {
209                 File file = uploadRequest.getFile(
210                     "structure_image_" + elName + elLanguage);
211                 byte[] bytes = FileUtil.getBytes(file);
212 
213                 if ((bytes != null) && (bytes.length > 0)) {
214                     long imageId =
215                         JournalArticleImageLocalServiceUtil.getArticleImageId(
216                             groupId, previewArticleId, version, elName,
217                             elLanguage, true);
218 
219                     String token = ImageServletTokenUtil.getToken(imageId);
220 
221                     dynamicContent.setText(
222                         "/image/journal/article?img_id=" + imageId + "&t=" +
223                             token);
224 
225                     ImageLocalServiceUtil.updateImage(imageId, bytes);
226                 }
227                 else {
228                     if (Validator.isNotNull(articleId)) {
229                         long imageId = JournalArticleImageLocalServiceUtil.
230                             getArticleImageId(
231                                 groupId, articleId, version, elName,
232                                 elLanguage);
233 
234                         String token = ImageServletTokenUtil.getToken(imageId);
235 
236                         dynamicContent.setText(
237                             "/image/journal/article?img_id=" + imageId +
238                                 "&t=" + token);
239                     }
240                 }
241             }
242 
243             format(
244                 groupId, articleId, version, previewArticleId, el,
245                 uploadRequest);
246         }
247     }
248 
249 }