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;
35 import java.util.Locale;
37 import javax.servlet.http.HttpServletRequest;
38 import javax.servlet.http.HttpServletResponse;
40 import mir.config.MirPropertiesConfiguration;
41 import mir.entity.adapter.EntityAdapterModel;
42 import mir.entity.adapter.EntityIteratorAdapter;
43 import mir.log.LoggerWrapper;
44 import mir.servlet.ServletModule;
45 import mir.servlet.ServletModuleExc;
46 import mir.servlet.ServletModuleFailure;
47 import mir.util.CachingRewindableIterator;
48 import mir.util.HTTPRequestParser;
49 import mir.util.JDBCStringRoutines;
50 import mir.util.SQLQueryBuilder;
51 import mir.util.URLBuilder;
52 import mircoders.global.MirGlobal;
53 import mircoders.module.ModuleComment;
54 import mircoders.module.ModuleContent;
55 import mircoders.storage.DatabaseComment;
56 import mircoders.storage.DatabaseCommentStatus;
57 import mircoders.storage.DatabaseContent;
58 import mircoders.storage.DatabaseLanguage;
59 import freemarker.template.SimpleHash;
60 import freemarker.template.TemplateModelRoot;
63 * ServletModuleComment - controls navigation for Comments
69 public class ServletModuleComment extends ServletModule
72 private ModuleContent moduleContent;
74 // Singelton / Kontruktor
75 private static ServletModuleComment instance = new ServletModuleComment();
76 public static ServletModule getInstance() { return instance; }
78 private ServletModuleComment() {
79 logger = new LoggerWrapper("ServletModule.Comment");
83 configuration = MirPropertiesConfiguration.instance();
84 templateListString = configuration.getString("ServletModule.Comment.ListTemplate");
85 templateObjektString = configuration.getString("ServletModule.Comment.ObjektTemplate");
86 templateConfirmString = configuration.getString("ServletModule.Comment.ConfirmTemplate");
88 mainModule = new ModuleComment(DatabaseComment.getInstance());
89 moduleContent = new ModuleContent(DatabaseContent.getInstance());
92 logger.error("servletmodule comment could not be initialized:" + e.getMessage());
96 public void edit(HttpServletRequest req, HttpServletResponse res) throws ServletModuleExc
98 String idParam = req.getParameter("id");
101 throw new ServletModuleExc("Invalid call: id not supplied ");
103 showComment(idParam, req, res);
106 public void showComment(String anId, HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc {
108 SimpleHash extraInfo = new SimpleHash();
109 TemplateModelRoot data;
111 data = (TemplateModelRoot) mainModule.getById(anId);
113 extraInfo.put("languages", DatabaseLanguage.getInstance().getPopupData());
114 extraInfo.put("comment_status_values", DatabaseCommentStatus.getInstance().getPopupData());
116 deliver(aRequest, aResponse, data, extraInfo, templateObjektString);
118 catch (Throwable e) {
119 throw new ServletModuleFailure(e);
124 public void list(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
126 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
128 String where = requestParser.getParameter("where");
129 String order = requestParser.getParameterWithDefault("order", "webdb_create desc");
130 int offset = requestParser.getIntegerWithDefault("offset", 0);
132 returnCommentList(aRequest, aResponse, where, order, offset);
135 public void search(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
137 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
138 SQLQueryBuilder queryBuilder = new SQLQueryBuilder();
140 String queryField = "";
141 String searchField = requestParser.getParameter("searchfield");
142 String searchText = requestParser.getParameter("searchtext");
143 String searchIsPublished = requestParser.getParameter("searchispublished");
144 String searchStatus = requestParser.getParameter("searchstatus");
145 String searchOrder = requestParser.getParameter("searchorder");
147 if (searchIsPublished.equals("0")) {
148 queryBuilder.appendAndCondition("is_published='f'");
150 else if (searchIsPublished.equals("1")) {
151 queryBuilder.appendAndCondition("is_published='t'");
154 if (searchText.length()>0) {
155 queryBuilder.appendAndCondition(
156 "lower("+ searchField + ") like " +
157 "'%" + JDBCStringRoutines.escapeStringLiteral(searchText.toLowerCase()) + "%'");
160 if (searchStatus.length()>0) {
161 queryBuilder.appendAndCondition("to_comment_status="+Integer.parseInt(searchStatus));
164 if (searchOrder.length()>0) {
165 if (searchOrder.equals("datedesc"))
166 queryBuilder.appendAscendingOrder("webdb_create");
167 else if (searchOrder.equals("dateasc"))
168 queryBuilder.appendDescendingOrder("webdb_create");
169 else if (searchOrder.equals("articletitle"))
170 queryBuilder.appendAscendingOrder("(select content.title from content where content.id = comment.to_media)");
171 else if (searchOrder.equals("creator"))
172 queryBuilder.appendDescendingOrder("creator");
175 returnCommentList(aRequest, aResponse, queryBuilder.getWhereClause(), queryBuilder.getOrderByClause(), 0);
178 public void articlecomments(HttpServletRequest req, HttpServletResponse res) throws ServletModuleExc
180 String articleIdString = req.getParameter("articleid");
184 articleId = Integer.parseInt(articleIdString);
186 returnCommentList( req, res, "to_media="+articleId, "webdb_create desc", 0);
188 catch (Throwable e) {
189 throw new ServletModuleFailure(e);
193 public void returnCommentList(HttpServletRequest aRequest, HttpServletResponse aResponse,
194 String aWhereClause, String anOrderByClause, int anOffset) throws ServletModuleExc {
195 // ML: experiment in using the producer's generation system instead of the
198 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
199 URLBuilder urlBuilder = new URLBuilder();
200 EntityAdapterModel model;
201 int nrCommentsPerPage = 20;
205 Map responseData = ServletHelper.makeGenerationData(new Locale[] { getLocale(aRequest), getFallbackLocale(aRequest)});
206 model = MirGlobal.localizer().dataModel().adapterModel();
209 new CachingRewindableIterator(
210 new EntityIteratorAdapter( aWhereClause, anOrderByClause, nrCommentsPerPage,
211 MirGlobal.localizer().dataModel().adapterModel(), "comment", nrCommentsPerPage, anOffset)
214 responseData.put("nexturl", null);
215 responseData.put("prevurl", null);
217 count=mainModule.getSize(aWhereClause);
219 urlBuilder.setValue("module", "Comment");
220 urlBuilder.setValue("do", "list");
221 urlBuilder.setValue("where", aWhereClause);
222 urlBuilder.setValue("order", anOrderByClause);
224 urlBuilder.setValue("searchfield", requestParser.getParameter("searchfield"));
225 urlBuilder.setValue("searchtext", requestParser.getParameter("searchtext"));
226 urlBuilder.setValue("searchispublished", requestParser.getParameter("searchispublished"));
227 urlBuilder.setValue("searchstatus", requestParser.getParameter("searchstatus"));
228 urlBuilder.setValue("searchorder", requestParser.getParameter("searchorder"));
230 responseData.put("searchfield", requestParser.getParameter("searchfield"));
231 responseData.put("searchtext", requestParser.getParameter("searchtext"));
232 responseData.put("searchispublished", requestParser.getParameter("searchispublished"));
233 responseData.put("searchstatus", requestParser.getParameter("searchstatus"));
234 responseData.put("searchorder", requestParser.getParameter("searchorder"));
236 urlBuilder.setValue("offset", anOffset);
237 responseData.put("offset" , new Integer(anOffset).toString());
238 responseData.put("thisurl" , urlBuilder.getQuery());
240 if (count>=anOffset+nrCommentsPerPage) {
241 urlBuilder.setValue("offset", anOffset + nrCommentsPerPage);
242 responseData.put("nexturl" , urlBuilder.getQuery());
246 urlBuilder.setValue("offset", Math.max(anOffset - nrCommentsPerPage, 0));
247 responseData.put("prevurl" , urlBuilder.getQuery());
250 responseData.put("comments", commentList);
251 responseData.put("from" , Integer.toString(anOffset+1));
252 responseData.put("count", Integer.toString(count));
253 responseData.put("to", Integer.toString(Math.min(anOffset+nrCommentsPerPage, count)));
255 ServletHelper.generateResponse(aResponse.getWriter(), responseData, "commentlist.template");
257 catch (Throwable e) {
258 throw new ServletModuleFailure(e);