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.dao.DAOParamUtil;
26  import com.liferay.portal.kernel.language.LanguageUtil;
27  import com.liferay.portal.kernel.util.ContentTypes;
28  import com.liferay.portal.kernel.util.DateUtil;
29  import com.liferay.portal.kernel.util.GetterUtil;
30  import com.liferay.portal.kernel.util.OrderByComparator;
31  import com.liferay.portal.kernel.util.ParamUtil;
32  import com.liferay.portal.kernel.util.StringUtil;
33  import com.liferay.portal.kernel.util.Validator;
34  import com.liferay.portal.struts.ActionConstants;
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.service.JournalArticleLocalServiceUtil;
40  import com.liferay.portlet.journal.util.JournalUtil;
41  import com.liferay.portlet.journal.util.comparator.ArticleDisplayDateComparator;
42  import com.liferay.portlet.journal.util.comparator.ArticleModifiedDateComparator;
43  import com.liferay.util.servlet.ServletResponseUtil;
44  
45  import java.io.StringReader;
46  
47  import java.text.DateFormat;
48  
49  import java.util.Date;
50  import java.util.Iterator;
51  import java.util.List;
52  import java.util.Map;
53  
54  import javax.servlet.http.HttpServletRequest;
55  import javax.servlet.http.HttpServletResponse;
56  import javax.servlet.jsp.PageContext;
57  
58  import org.apache.commons.logging.Log;
59  import org.apache.commons.logging.LogFactory;
60  import org.apache.struts.action.Action;
61  import org.apache.struts.action.ActionForm;
62  import org.apache.struts.action.ActionForward;
63  import org.apache.struts.action.ActionMapping;
64  
65  import org.dom4j.Document;
66  import org.dom4j.DocumentFactory;
67  import org.dom4j.Element;
68  import org.dom4j.io.SAXReader;
69  
70  /**
71   * <a href="GetArticlesAction.java.html"><b><i>View Source</i></b></a>
72   *
73   * @author Raymond Augé
74   * @author Brian Wing Shun Chan
75   *
76   */
77  public class GetArticlesAction extends Action {
78  
79      public ActionForward execute(
80              ActionMapping mapping, ActionForm form, HttpServletRequest req,
81              HttpServletResponse res)
82          throws Exception {
83  
84          try {
85              List articles = getArticles(req);
86  
87              String fileName = null;
88              byte[] byteArray = getContent(req, articles);
89  
90              ServletResponseUtil.sendFile(
91                  res, fileName, byteArray, ContentTypes.TEXT_XML_UTF8);
92  
93              return null;
94          }
95          catch (Exception e) {
96              req.setAttribute(PageContext.EXCEPTION, e);
97  
98              return mapping.findForward(ActionConstants.COMMON_ERROR);
99          }
100     }
101 
102     protected List getArticles(HttpServletRequest req) throws Exception {
103         long companyId = PortalUtil.getCompanyId(req);
104         long groupId = DAOParamUtil.getLong(req, "groupId");
105         String articleId = null;
106         Double version = null;
107         String title = null;
108         String description = null;
109         String content = null;
110         String type = DAOParamUtil.getString(req, "type");
111         String[] structureIds = StringUtil.split(
112             DAOParamUtil.getString(req, "structureId"));
113         String[] templateIds = StringUtil.split(
114             DAOParamUtil.getString(req, "templateId"));
115 
116         Date displayDateGT = null;
117 
118         String displayDateGTParam = ParamUtil.getString(req, "displayDateGT");
119 
120         if (Validator.isNotNull(displayDateGTParam)) {
121             DateFormat displayDateGTFormat = DateUtil.getISOFormat(
122                 displayDateGTParam);
123 
124             displayDateGT = GetterUtil.getDate(
125                 displayDateGTParam, displayDateGTFormat);
126         }
127 
128         if (_log.isDebugEnabled()) {
129             _log.debug("displayDateGT is " + displayDateGT);
130         }
131 
132         Date displayDateLT = null;
133 
134         String displayDateLTParam = ParamUtil.getString(req, "displayDateLT");
135 
136         if (Validator.isNotNull(displayDateLTParam)) {
137             DateFormat displayDateLTFormat = DateUtil.getISOFormat(
138                 displayDateLTParam);
139 
140             displayDateLT = GetterUtil.getDate(
141                 displayDateLTParam, displayDateLTFormat);
142         }
143 
144         if (_log.isDebugEnabled()) {
145             _log.debug("displayDateLT is " + displayDateLT);
146         }
147 
148         Boolean approved = Boolean.TRUE;
149         Boolean expired = Boolean.FALSE;
150         Date reviewDate = null;
151         boolean andOperator = true;
152         int begin = 0;
153         int end = ParamUtil.getInteger(req, "delta", 5);
154         String orderBy = ParamUtil.getString(req, "orderBy");
155         String orderByCol = ParamUtil.getString(req, "orderByCol", orderBy);
156         String orderByType = ParamUtil.getString(req, "orderByType");
157         boolean orderByAsc = orderByType.equals("asc");
158 
159         OrderByComparator obc = new ArticleModifiedDateComparator(orderByAsc);
160 
161         if (orderByCol.equals("display-date")) {
162             obc = new ArticleDisplayDateComparator(orderByAsc);
163         }
164 
165         return JournalArticleLocalServiceUtil.search(
166             companyId, groupId, articleId, version, title, description, content,
167             type, structureIds, templateIds, displayDateGT, displayDateLT,
168             approved, expired, reviewDate, andOperator, begin, end, obc);
169     }
170 
171     protected byte[] getContent(HttpServletRequest req, List articles)
172         throws Exception {
173 
174         long groupId = ParamUtil.getLong(req, "groupId");
175 
176         String languageId = LanguageUtil.getLanguageId(req);
177 
178         ThemeDisplay themeDisplay =
179             (ThemeDisplay)req.getAttribute(WebKeys.THEME_DISPLAY);
180 
181         Map tokens = JournalUtil.getTokens(groupId, themeDisplay);
182 
183         Document resultsDoc =
184             DocumentFactory.getInstance().createDocument("UTF-8");
185 
186         Element resultSetEl = resultsDoc.addElement("result-set");
187 
188         SAXReader reader = new SAXReader();
189 
190         Iterator itr = articles.iterator();
191 
192         while (itr.hasNext()) {
193             JournalArticle article = (JournalArticle)itr.next();
194 
195             Element resultEl = resultSetEl.addElement("result");
196 
197             Document articleDoc = reader.read(new StringReader(
198                 article.getContentByLocale(languageId)));
199 
200             resultEl.content().add(
201                 articleDoc.getRootElement().createCopy());
202 
203             if (article.isTemplateDriven()) {
204                 resultEl = resultEl.element("root");
205             }
206 
207             JournalUtil.addAllReservedEls(resultEl, tokens, article);
208         }
209 
210         return JournalUtil.formatXML(resultsDoc).getBytes("UTF-8");
211     }
212 
213     private static Log _log = LogFactory.getLog(GetArticlesAction.class);
214 
215 }