001    /**
002     * Copyright (c) 2000-2011 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.portlet.journal.action;
016    
017    import com.liferay.portal.kernel.language.LanguageUtil;
018    import com.liferay.portal.kernel.upload.UploadServletRequest;
019    import com.liferay.portal.kernel.util.Constants;
020    import com.liferay.portal.kernel.util.FileUtil;
021    import com.liferay.portal.kernel.util.ParamUtil;
022    import com.liferay.portal.kernel.util.StringPool;
023    import com.liferay.portal.kernel.util.Validator;
024    import com.liferay.portal.kernel.xml.Document;
025    import com.liferay.portal.kernel.xml.Element;
026    import com.liferay.portal.kernel.xml.SAXReaderUtil;
027    import com.liferay.portal.model.User;
028    import com.liferay.portal.service.ImageLocalServiceUtil;
029    import com.liferay.portal.theme.ThemeDisplay;
030    import com.liferay.portal.util.PortalUtil;
031    import com.liferay.portal.util.WebKeys;
032    import com.liferay.portal.webserver.WebServerServletTokenUtil;
033    import com.liferay.portlet.journal.model.JournalArticle;
034    import com.liferay.portlet.journal.model.JournalArticleConstants;
035    import com.liferay.portlet.journal.model.impl.JournalArticleImpl;
036    import com.liferay.portlet.journal.service.JournalArticleImageLocalServiceUtil;
037    import com.liferay.portlet.journal.service.JournalArticleLocalServiceUtil;
038    import com.liferay.portlet.journal.service.JournalArticleServiceUtil;
039    import com.liferay.portlet.journal.util.JournalUtil;
040    import com.liferay.util.PwdGenerator;
041    
042    import java.io.File;
043    
044    import java.util.Date;
045    import java.util.Iterator;
046    import java.util.Map;
047    
048    import javax.servlet.http.HttpServletRequest;
049    import javax.servlet.http.HttpServletResponse;
050    
051    import org.apache.struts.action.Action;
052    import org.apache.struts.action.ActionForm;
053    import org.apache.struts.action.ActionForward;
054    import org.apache.struts.action.ActionMapping;
055    
056    /**
057     * @author Brian Wing Shun Chan
058     * @author Raymond Augé
059     */
060    public class ViewArticleContentAction extends Action {
061    
062            @Override
063            public ActionForward execute(
064                            ActionMapping mapping, ActionForm form, HttpServletRequest request,
065                            HttpServletResponse response)
066                    throws Exception {
067    
068                    UploadServletRequest uploadServletRequest = null;
069    
070                    try {
071                            String cmd = ParamUtil.getString(request, Constants.CMD);
072    
073                            ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
074                                    WebKeys.THEME_DISPLAY);
075    
076                            long groupId = ParamUtil.getLong(request, "groupId");
077                            String articleId = ParamUtil.getString(request, "articleId");
078                            double version = ParamUtil.getDouble(
079                                    request, "version", JournalArticleConstants.VERSION_DEFAULT);
080    
081                            String languageId = LanguageUtil.getLanguageId(request);
082    
083                            String output = null;
084    
085                            if (cmd.equals(Constants.PREVIEW)) {
086                                    uploadServletRequest = PortalUtil.getUploadServletRequest(
087                                            request);
088    
089                                    String title = ParamUtil.getString(
090                                            uploadServletRequest, "title");
091                                    String description = ParamUtil.getString(
092                                            uploadServletRequest, "description");
093                                    String type = ParamUtil.getString(uploadServletRequest, "type");
094                                    String structureId = ParamUtil.getString(
095                                            uploadServletRequest, "structureId");
096                                    String templateId = ParamUtil.getString(
097                                            uploadServletRequest, "templateId");
098    
099                                    Date now = new Date();
100    
101                                    Date createDate = now;
102                                    Date modifiedDate = now;
103                                    Date displayDate = now;
104    
105                                    User user = PortalUtil.getUser(uploadServletRequest);
106    
107                                    String xml = ParamUtil.getString(uploadServletRequest, "xml");
108    
109                                    Document doc = SAXReaderUtil.read(xml);
110    
111                                    Element root = doc.getRootElement();
112    
113                                    String previewArticleId =
114                                            "PREVIEW_" +
115                                                    PwdGenerator.getPassword(PwdGenerator.KEY3, 10);
116    
117                                    format(
118                                            groupId, articleId, version, previewArticleId, root,
119                                            uploadServletRequest);
120    
121                                    Map<String, String> tokens = JournalUtil.getTokens(
122                                            groupId, themeDisplay);
123    
124                                    tokens.put("article_resource_pk", "-1");
125    
126                                    JournalArticle article = new JournalArticleImpl();
127    
128                                    article.setGroupId(groupId);
129                                    article.setCompanyId(user.getCompanyId());
130                                    article.setUserId(user.getUserId());
131                                    article.setUserName(user.getFullName());
132                                    article.setCreateDate(createDate);
133                                    article.setModifiedDate(modifiedDate);
134                                    article.setArticleId(articleId);
135                                    article.setVersion(version);
136                                    article.setTitle(title);
137                                    article.setDescription(description);
138                                    article.setContent(xml);
139                                    article.setType(type);
140                                    article.setStructureId(structureId);
141                                    article.setTemplateId(templateId);
142                                    article.setDisplayDate(displayDate);
143    
144                                    output = JournalArticleLocalServiceUtil.getArticleContent(
145                                            article, templateId, null, languageId, themeDisplay);
146                            }
147                            else {
148                                    output = JournalArticleServiceUtil.getArticleContent(
149                                            groupId, articleId, version, languageId, themeDisplay);
150                            }
151    
152                            request.setAttribute(WebKeys.JOURNAL_ARTICLE_CONTENT, output);
153    
154                            if (output.startsWith("<?xml ")) {
155                                    return mapping.findForward(
156                                            "portlet.journal.raw_article_content");
157                            }
158                            else {
159                                    return mapping.findForward(
160                                            "portlet.journal.view_article_content");
161                            }
162                    }
163                    catch (Exception e) {
164                            PortalUtil.sendError(e, request, response);
165    
166                            return null;
167                    }
168                    finally {
169                            if (uploadServletRequest != null) {
170                                    uploadServletRequest.cleanUp();
171                            }
172                    }
173            }
174    
175            protected void format(
176                            long groupId, String articleId, double version,
177                            String previewArticleId, Element root,
178                            UploadServletRequest uploadServletRequest)
179                    throws Exception {
180    
181                    Iterator<Element> itr = root.elements().iterator();
182    
183                    while (itr.hasNext()) {
184                            Element el = itr.next();
185    
186                            Element dynamicContent = el.element("dynamic-content");
187    
188                            String elInstanceId = el.attributeValue(
189                                    "instance-id", StringPool.BLANK);
190                            String elName = el.attributeValue("name", StringPool.BLANK);
191                            String elType = el.attributeValue("type", StringPool.BLANK);
192                            String elContent = StringPool.BLANK;
193                            String elLanguage = StringPool.BLANK;
194    
195                            if (dynamicContent != null) {
196                                    elContent = dynamicContent.getTextTrim();
197    
198                                    elLanguage = dynamicContent.attributeValue(
199                                            "language-id", StringPool.BLANK);
200    
201                                    if (!elLanguage.equals(StringPool.BLANK)) {
202                                            elLanguage = "_" + elLanguage;
203                                    }
204                            }
205    
206                            if (elType.equals("image") && Validator.isNull(elContent)) {
207                                    File file = uploadServletRequest.getFile(
208                                            "structure_image_" + elName + elLanguage);
209                                    byte[] bytes = FileUtil.getBytes(file);
210    
211                                    if ((bytes != null) && (bytes.length > 0)) {
212                                            long imageId =
213                                                    JournalArticleImageLocalServiceUtil.getArticleImageId(
214                                                            groupId, previewArticleId, version, elInstanceId,
215                                                            elName, elLanguage, true);
216    
217                                            String token = WebServerServletTokenUtil.getToken(imageId);
218    
219                                            dynamicContent.setText(
220                                                    "/image/journal/article?img_id=" + imageId + "&t=" +
221                                                            token);
222    
223                                            ImageLocalServiceUtil.updateImage(imageId, bytes);
224                                    }
225                                    else {
226                                            if (Validator.isNotNull(articleId)) {
227                                                    long imageId = JournalArticleImageLocalServiceUtil.
228                                                            getArticleImageId(
229                                                                    groupId, articleId, version, elInstanceId,
230                                                                    elName, elLanguage);
231    
232                                                    String token = WebServerServletTokenUtil.getToken(
233                                                            imageId);
234    
235                                                    dynamicContent.setText(
236                                                            "/image/journal/article?img_id=" + imageId +
237                                                                    "&t=" + token);
238                                            }
239                                    }
240                            }
241    
242                            format(
243                                    groupId, articleId, version, previewArticleId, el,
244                                    uploadServletRequest);
245                    }
246            }
247    
248    }