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;
34 import java.io.PrintWriter;
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.LoggerToWriterAdapter;
44 import mir.log.LoggerWrapper;
45 import mir.servlet.ServletModule;
46 import mir.servlet.ServletModuleExc;
47 import mir.servlet.ServletModuleFailure;
48 import mir.util.CachingRewindableIterator;
49 import mir.util.HTTPRequestParser;
50 import mir.util.JDBCStringRoutines;
51 import mir.util.SQLQueryBuilder;
52 import mir.util.URLBuilder;
53 import mircoders.global.MirGlobal;
54 import mircoders.module.ModuleComment;
55 import mircoders.module.ModuleContent;
56 import mircoders.storage.DatabaseComment;
57 import mircoders.storage.DatabaseCommentStatus;
58 import mircoders.storage.DatabaseContent;
59 import mircoders.storage.DatabaseLanguage;
60 import freemarker.template.SimpleHash;
61 import freemarker.template.TemplateModelRoot;
64 * ServletModuleComment - controls navigation for Comments
70 public class ServletModuleComment extends ServletModule
73 private ModuleContent moduleContent;
75 // Singelton / Kontruktor
76 private static ServletModuleComment instance = new ServletModuleComment();
77 public static ServletModule getInstance() { return instance; }
79 private ServletModuleComment() {
80 logger = new LoggerWrapper("ServletModule.Comment");
84 configuration = MirPropertiesConfiguration.instance();
85 templateListString = configuration.getString("ServletModule.Comment.ListTemplate");
86 templateObjektString = configuration.getString("ServletModule.Comment.ObjektTemplate");
87 templateConfirmString = configuration.getString("ServletModule.Comment.ConfirmTemplate");
89 mainModule = new ModuleComment(DatabaseComment.getInstance());
90 moduleContent = new ModuleContent(DatabaseContent.getInstance());
93 logger.error("servletmodule comment could not be initialized:" + e.getMessage());
97 public void edit(HttpServletRequest req, HttpServletResponse res) throws ServletModuleExc
99 String idParam = req.getParameter("id");
102 throw new ServletModuleExc("Invalid call: id not supplied ");
104 showComment(idParam, req, res);
107 public void showComment(String anId, HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc {
109 SimpleHash extraInfo = new SimpleHash();
110 TemplateModelRoot data;
112 data = (TemplateModelRoot) mainModule.getById(anId);
114 extraInfo.put("languages", DatabaseLanguage.getInstance().getPopupData());
115 extraInfo.put("comment_status_values", DatabaseCommentStatus.getInstance().getPopupData());
117 deliver(aRequest, aResponse, data, extraInfo, templateObjektString);
119 catch (Throwable e) {
120 throw new ServletModuleFailure(e);
125 public void list(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
127 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
129 String where = requestParser.getParameter("where");
130 String order = requestParser.getParameterWithDefault("order", "webdb_create desc");
131 int offset = requestParser.getIntegerWithDefault("offset", 0);
133 returnCommentList(aRequest, aResponse, where, order, offset);
136 public void search(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
138 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
139 SQLQueryBuilder queryBuilder = new SQLQueryBuilder();
141 String queryField = "";
142 String searchField = requestParser.getParameter("searchfield");
143 String searchText = requestParser.getParameter("searchtext");
144 String searchIsPublished = requestParser.getParameter("searchispublished");
145 String searchStatus = requestParser.getParameter("searchstatus");
146 String searchOrder = requestParser.getParameter("searchorder");
148 if (searchIsPublished.equals("0")) {
149 queryBuilder.appendAndCondition("is_published='f'");
151 else if (searchIsPublished.equals("1")) {
152 queryBuilder.appendAndCondition("is_published='t'");
155 if (searchText.length()>0) {
156 queryBuilder.appendAndCondition(
157 "lower("+ searchField + ") like " +
158 "'%" + JDBCStringRoutines.escapeStringLiteral(searchText.toLowerCase()) + "%'");
161 if (searchStatus.length()>0) {
162 queryBuilder.appendAndCondition("to_comment_status="+Integer.parseInt(searchStatus));
165 if (searchOrder.length()>0) {
166 if (searchOrder.equals("datedesc"))
167 queryBuilder.appendAscendingOrder("webdb_create");
168 else if (searchOrder.equals("dateasc"))
169 queryBuilder.appendDescendingOrder("webdb_create");
170 else if (searchOrder.equals("articletitle"))
171 queryBuilder.appendAscendingOrder("(select content.title from content where content.id = comment.to_media)");
172 else if (searchOrder.equals("creator"))
173 queryBuilder.appendDescendingOrder("creator");
176 returnCommentList(aRequest, aResponse, queryBuilder.getWhereClause(), queryBuilder.getOrderByClause(), 0);
179 public void articlecomments(HttpServletRequest req, HttpServletResponse res) throws ServletModuleExc
181 String articleIdString = req.getParameter("articleid");
185 articleId = Integer.parseInt(articleIdString);
187 returnCommentList( req, res, "to_media="+articleId, "webdb_create desc", 0);
189 catch (Throwable e) {
190 throw new ServletModuleFailure(e);
194 public void returnCommentList(HttpServletRequest aRequest, HttpServletResponse aResponse,
195 String aWhereClause, String anOrderByClause, int anOffset) throws ServletModuleExc {
196 // ML: experiment in using the producer's generation system instead of the
199 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
200 URLBuilder urlBuilder = new URLBuilder();
201 EntityAdapterModel model;
202 int nrCommentsPerPage = 20;
206 Map responseData = ServletHelper.makeGenerationData(getLocale(aRequest));
207 model = MirGlobal.localizer().dataModel().adapterModel();
210 new CachingRewindableIterator(
211 new EntityIteratorAdapter( aWhereClause, anOrderByClause, nrCommentsPerPage,
212 MirGlobal.localizer().dataModel().adapterModel(), "comment", nrCommentsPerPage, anOffset)
215 responseData.put("nexturl", null);
216 responseData.put("prevurl", null);
218 count=mainModule.getSize(aWhereClause);
220 urlBuilder.setValue("module", "Comment");
221 urlBuilder.setValue("do", "list");
222 urlBuilder.setValue("where", aWhereClause);
223 urlBuilder.setValue("order", anOrderByClause);
225 urlBuilder.setValue("searchfield", requestParser.getParameter("searchfield"));
226 urlBuilder.setValue("searchtext", requestParser.getParameter("searchtext"));
227 urlBuilder.setValue("searchispublished", requestParser.getParameter("searchispublished"));
228 urlBuilder.setValue("searchstatus", requestParser.getParameter("searchstatus"));
229 urlBuilder.setValue("searchorder", requestParser.getParameter("searchorder"));
231 responseData.put("searchfield", requestParser.getParameter("searchfield"));
232 responseData.put("searchtext", requestParser.getParameter("searchtext"));
233 responseData.put("searchispublished", requestParser.getParameter("searchispublished"));
234 responseData.put("searchstatus", requestParser.getParameter("searchstatus"));
235 responseData.put("searchorder", requestParser.getParameter("searchorder"));
237 urlBuilder.setValue("offset", anOffset);
238 responseData.put("offset" , new Integer(anOffset).toString());
239 responseData.put("thisurl" , urlBuilder.getQuery());
241 if (count>=anOffset+nrCommentsPerPage) {
242 urlBuilder.setValue("offset", anOffset + nrCommentsPerPage);
243 responseData.put("nexturl" , urlBuilder.getQuery());
247 urlBuilder.setValue("offset", Math.max(anOffset - nrCommentsPerPage, 0));
248 responseData.put("prevurl" , urlBuilder.getQuery());
251 responseData.put("comments", commentList);
252 responseData.put("from" , Integer.toString(anOffset+1));
253 responseData.put("count", Integer.toString(count));
254 responseData.put("to", Integer.toString(Math.min(anOffset+nrCommentsPerPage, count)));
256 ServletHelper.generateResponse(aResponse.getWriter(), responseData, "commentlist.template");
258 catch (Throwable e) {
259 throw new ServletModuleFailure(e);