2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with the com.oreilly.servlet library, any library
22 * licensed under the Apache Software License, The Sun (tm) Java Advanced
23 * Imaging library (JAI), The Sun JIMI library (or with modified versions of
24 * the above that use the same license as the above), and distribute linked
25 * combinations including the two. You must obey the GNU General Public
26 * License in all respects for all of the code used other than the above
27 * mentioned libraries. If you modify this file, you may extend this exception
28 * to your version of the file, but you are not obligated to do so. If you do
29 * not wish to do so, delete this exception statement from your version.
32 package mircoders.servlet;
36 import javax.servlet.http.HttpServletRequest;
37 import javax.servlet.http.HttpServletResponse;
39 import mir.config.MirPropertiesConfiguration;
40 import mir.entity.adapter.EntityAdapterModel;
41 import mir.entity.adapter.EntityIteratorAdapter;
42 import mir.log.LoggerWrapper;
43 import mir.servlet.ServletModule;
44 import mir.servlet.ServletModuleExc;
45 import mir.servlet.ServletModuleFailure;
46 import mir.util.CachingRewindableIterator;
47 import mir.util.HTTPRequestParser;
48 import mir.util.JDBCStringRoutines;
49 import mir.util.SQLQueryBuilder;
50 import mir.util.URLBuilder;
51 import mircoders.global.MirGlobal;
52 import mircoders.module.ModuleComment;
53 import mircoders.module.ModuleContent;
54 import mircoders.storage.DatabaseComment;
55 import mircoders.storage.DatabaseCommentStatus;
56 import mircoders.storage.DatabaseContent;
57 import mircoders.storage.DatabaseLanguage;
58 import freemarker.template.SimpleHash;
59 import freemarker.template.TemplateModelRoot;
62 * ServletModuleComment - controls navigation for Comments
68 public class ServletModuleComment extends ServletModule
71 private ModuleContent moduleContent;
73 // Singelton / Kontruktor
74 private static ServletModuleComment instance = new ServletModuleComment();
75 public static ServletModule getInstance() { return instance; }
77 private ServletModuleComment() {
78 logger = new LoggerWrapper("ServletModule.Comment");
82 configuration = MirPropertiesConfiguration.instance();
83 templateListString = configuration.getString("ServletModule.Comment.ListTemplate");
84 templateObjektString = configuration.getString("ServletModule.Comment.ObjektTemplate");
85 templateConfirmString = configuration.getString("ServletModule.Comment.ConfirmTemplate");
87 mainModule = new ModuleComment(DatabaseComment.getInstance());
88 moduleContent = new ModuleContent(DatabaseContent.getInstance());
91 logger.error("servletmodule comment could not be initialized:" + e.getMessage());
95 public void edit(HttpServletRequest req, HttpServletResponse res) throws ServletModuleExc
97 String idParam = req.getParameter("id");
100 throw new ServletModuleExc("Invalid call: id not supplied ");
102 showComment(idParam, req, res);
105 public void showComment(String anId, HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc {
107 SimpleHash extraInfo = new SimpleHash();
108 TemplateModelRoot data;
110 data = (TemplateModelRoot) mainModule.getById(anId);
112 extraInfo.put("languages", DatabaseLanguage.getInstance().getPopupData());
113 extraInfo.put("comment_status_values", DatabaseCommentStatus.getInstance().getPopupData());
115 deliver(aRequest, aResponse, data, extraInfo, templateObjektString);
117 catch (Throwable e) {
118 throw new ServletModuleFailure(e);
123 public void list(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
125 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
127 String where = requestParser.getParameter("where");
128 String order = requestParser.getParameterWithDefault("order", "webdb_create desc");
129 int offset = requestParser.getIntegerWithDefault("offset", 0);
131 returnCommentList(aRequest, aResponse, where, order, offset);
134 public void search(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
136 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
137 SQLQueryBuilder queryBuilder = new SQLQueryBuilder();
139 String queryField = "";
140 String searchField = requestParser.getParameter("searchfield");
141 String searchText = requestParser.getParameter("searchtext");
142 String searchIsPublished = requestParser.getParameter("searchispublished");
143 String searchStatus = requestParser.getParameter("searchstatus");
144 String searchOrder = requestParser.getParameter("searchorder");
146 if (searchIsPublished.equals("0")) {
147 queryBuilder.appendAndCondition("is_published='f'");
149 else if (searchIsPublished.equals("1")) {
150 queryBuilder.appendAndCondition("is_published='t'");
153 if (searchText.length()>0) {
154 queryBuilder.appendAndCondition(
155 "lower("+ searchField + ") like " +
156 "'%" + JDBCStringRoutines.escapeStringLiteral(searchText.toLowerCase()) + "%'");
159 if (searchStatus.length()>0) {
160 queryBuilder.appendAndCondition("to_comment_status="+Integer.parseInt(searchStatus));
163 if (searchOrder.length()>0) {
164 if (searchOrder.equals("datedesc"))
165 queryBuilder.appendAscendingOrder("webdb_create");
166 else if (searchOrder.equals("dateasc"))
167 queryBuilder.appendDescendingOrder("webdb_create");
168 else if (searchOrder.equals("articletitle"))
169 queryBuilder.appendAscendingOrder("(select content.title from content where content.id = comment.to_media)");
170 else if (searchOrder.equals("creator"))
171 queryBuilder.appendDescendingOrder("creator");
174 returnCommentList(aRequest, aResponse, queryBuilder.getWhereClause(), queryBuilder.getOrderByClause(), 0);
177 public void articlecomments(HttpServletRequest req, HttpServletResponse res) throws ServletModuleExc
179 String articleIdString = req.getParameter("articleid");
183 articleId = Integer.parseInt(articleIdString);
185 returnCommentList( req, res, "to_media="+articleId, "webdb_create desc", 0);
187 catch (Throwable e) {
188 throw new ServletModuleFailure(e);
192 public void returnCommentList(HttpServletRequest aRequest, HttpServletResponse aResponse,
193 String aWhereClause, String anOrderByClause, int anOffset) throws ServletModuleExc {
194 // ML: experiment in using the producer's generation system instead of the
197 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
198 URLBuilder urlBuilder = new URLBuilder();
199 EntityAdapterModel model;
200 int nrCommentsPerPage = 20;
204 Map responseData = ServletHelper.makeGenerationData(getLocale(aRequest));
205 model = MirGlobal.localizer().dataModel().adapterModel();
208 new CachingRewindableIterator(
209 new EntityIteratorAdapter( aWhereClause, anOrderByClause, nrCommentsPerPage,
210 MirGlobal.localizer().dataModel().adapterModel(), "comment", nrCommentsPerPage, anOffset)
213 responseData.put("nexturl", null);
214 responseData.put("prevurl", null);
216 count=mainModule.getSize(aWhereClause);
218 urlBuilder.setValue("module", "Comment");
219 urlBuilder.setValue("do", "list");
220 urlBuilder.setValue("where", aWhereClause);
221 urlBuilder.setValue("order", anOrderByClause);
223 urlBuilder.setValue("searchfield", requestParser.getParameter("searchfield"));
224 urlBuilder.setValue("searchtext", requestParser.getParameter("searchtext"));
225 urlBuilder.setValue("searchispublished", requestParser.getParameter("searchispublished"));
226 urlBuilder.setValue("searchstatus", requestParser.getParameter("searchstatus"));
227 urlBuilder.setValue("searchorder", requestParser.getParameter("searchorder"));
229 responseData.put("searchfield", requestParser.getParameter("searchfield"));
230 responseData.put("searchtext", requestParser.getParameter("searchtext"));
231 responseData.put("searchispublished", requestParser.getParameter("searchispublished"));
232 responseData.put("searchstatus", requestParser.getParameter("searchstatus"));
233 responseData.put("searchorder", requestParser.getParameter("searchorder"));
235 urlBuilder.setValue("offset", anOffset);
236 responseData.put("offset" , new Integer(anOffset).toString());
237 responseData.put("thisurl" , urlBuilder.getQuery());
239 if (count>=anOffset+nrCommentsPerPage) {
240 urlBuilder.setValue("offset", anOffset + nrCommentsPerPage);
241 responseData.put("nexturl" , urlBuilder.getQuery());
245 urlBuilder.setValue("offset", Math.max(anOffset - nrCommentsPerPage, 0));
246 responseData.put("prevurl" , urlBuilder.getQuery());
249 responseData.put("comments", commentList);
250 responseData.put("from" , Integer.toString(anOffset+1));
251 responseData.put("count", Integer.toString(count));
252 responseData.put("to", Integer.toString(Math.min(anOffset+nrCommentsPerPage, count)));
254 ServletHelper.generateResponse(aResponse.getWriter(), responseData, "commentlist.template");
256 catch (Throwable e) {
257 throw new ServletModuleFailure(e);