2 * Copyright (C) 2001, 2002 The Mir-coders group
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4 * This file is part of Mir.
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6 * Mir is free software; you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation; either version 2 of the License, or
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9 * (at your option) any later version.
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11 * Mir is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with Mir; if not, write to the Free Software
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18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20 * In addition, as a special exception, The Mir-coders gives permission to link
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21 * the code of this program with the com.oreilly.servlet library, any library
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22 * licensed under the Apache Software License, The Sun (tm) Java Advanced
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23 * Imaging library (JAI), The Sun JIMI library (or with modified versions of
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24 * the above that use the same license as the above), and distribute linked
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25 * combinations including the two. You must obey the GNU General Public
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26 * License in all respects for all of the code used other than the above
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27 * mentioned libraries. If you modify this file, you may extend this exception
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28 * to your version of the file, but you are not obligated to do so. If you do
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29 * not wish to do so, delete this exception statement from your version.
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32 package mircoders.servlet;
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34 import java.io.IOException;
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35 import java.util.GregorianCalendar;
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36 import java.util.HashMap;
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37 import java.util.Iterator;
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38 import java.util.List;
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39 import java.util.Map;
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41 import javax.servlet.http.HttpServletRequest;
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42 import javax.servlet.http.HttpServletResponse;
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43 import javax.servlet.http.HttpSession;
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45 import mir.entity.adapter.EntityAdapterModel;
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46 import mir.entity.adapter.EntityIteratorAdapter;
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47 import mir.log.LoggerWrapper;
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48 import mir.misc.StringUtil;
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49 import mir.module.ModuleException;
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50 import mir.servlet.ServletModule;
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51 import mir.servlet.ServletModuleExc;
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52 import mir.servlet.ServletModuleUserExc;
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53 import mir.servlet.ServletModuleFailure;
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54 import mir.storage.StorageObjectFailure;
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55 import mir.util.CachingRewindableIterator;
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56 import mir.util.HTTPRequestParser;
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57 import mir.util.JDBCStringRoutines;
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58 import mir.util.SQLQueryBuilder;
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59 import mir.util.URLBuilder;
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60 import mircoders.entity.EntityContent;
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61 import mircoders.entity.EntityUsers;
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62 import mircoders.global.MirGlobal;
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63 import mircoders.module.ModuleContent;
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64 import mircoders.search.IndexUtil;
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65 import mircoders.storage.DatabaseComment;
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66 import mircoders.storage.DatabaseContent;
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67 import mircoders.storage.DatabaseContentToTopics;
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69 import org.apache.lucene.index.IndexReader;
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71 import freemarker.template.SimpleHash;
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74 * ServletModuleContent -
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75 * deliver html for the article admin form.
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77 * @version $Id: ServletModuleContent.java,v 1.40 2003/03/06 05:40:40 zapata Exp $
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78 * @author rk, mir-coders
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82 public class ServletModuleContent extends ServletModule
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84 private String editTemplate = configuration.getString("ServletModule.Content.ObjektTemplate");;
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85 private String listTemplate = configuration.getString("ServletModule.Content.ListTemplate");
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87 private static ServletModuleContent instance = new ServletModuleContent();
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88 public static ServletModule getInstance() { return instance; }
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90 private ServletModuleContent() {
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92 logger = new LoggerWrapper("ServletModule.Content");
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95 templateListString = configuration.getString("ServletModule.Content.ListTemplate");
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96 templateObjektString = configuration.getString("ServletModule.Content.ObjektTemplate");
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97 templateConfirmString = configuration.getString("ServletModule.Content.ConfirmTemplate");
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99 mainModule = new ModuleContent(DatabaseContent.getInstance());
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101 catch (StorageObjectFailure e) {
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102 logger.error("servletmodulecontent konnte nicht initialisiert werden");
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106 public void list(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
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108 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
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110 String where = requestParser.getParameter("where");
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111 String order = requestParser.getParameterWithDefault("order", "webdb_create desc");
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112 int offset = requestParser.getIntegerWithDefault("offset", 0);
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113 String selectArticleUrl = requestParser.getParameter("selectarticleurl");
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115 returnArticleList(aRequest, aResponse, where, order, offset, selectArticleUrl);
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118 public void search(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc, ServletModuleFailure {
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120 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
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121 SQLQueryBuilder queryBuilder = new SQLQueryBuilder();
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122 String searchField = requestParser.getParameterWithDefault("searchfield", "");
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123 String searchValue = requestParser.getParameterWithDefault("searchvalue", "").trim();
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124 String searchOrder = requestParser.getParameterWithDefault("searchorder", "");
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125 String searchispublished = requestParser.getParameterWithDefault("searchispublished", "");
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126 String searchArticleType = requestParser.getParameterWithDefault("searcharticletype", "");
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127 String selectArticleUrl = requestParser.getParameter("selectarticleurl");
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129 if (searchValue.length()>0) {
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130 if (searchField.equals("contents"))
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131 queryBuilder.appendAndCondition(
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132 "(lower(content_data) like " + "'%" + JDBCStringRoutines.escapeStringLiteral(searchValue.toLowerCase()) + "%')"+
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133 " or (lower(description) like " + "'%" + JDBCStringRoutines.escapeStringLiteral(searchValue.toLowerCase()) + "%')");
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135 queryBuilder.appendAndCondition(
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136 "lower("+ searchField + ") like " +
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137 "'%" + JDBCStringRoutines.escapeStringLiteral(searchValue.toLowerCase()) + "%'");
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140 if (searchispublished.length()>0) {
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141 if (searchispublished.equals("0"))
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142 queryBuilder.appendAndCondition("is_published='f'");
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144 queryBuilder.appendAndCondition("is_published='t'");
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147 if (searchArticleType.length()>0) {
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148 queryBuilder.appendAndCondition("to_article_type="+Integer.parseInt(searchArticleType));
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151 if (searchOrder.length()>0) {
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152 if (searchOrder.equals("datedesc"))
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153 queryBuilder.appendAscendingOrder("webdb_create");
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154 else if (searchOrder.equals("dateasc"))
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155 queryBuilder.appendDescendingOrder("webdb_create");
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156 else if (searchOrder.equals("title"))
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157 queryBuilder.appendDescendingOrder("title");
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158 else if (searchOrder.equals("creator"))
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159 queryBuilder.appendDescendingOrder("creator");
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162 returnArticleList(aRequest, aResponse, queryBuilder.getWhereClause(), queryBuilder.getOrderByClause(), 0, selectArticleUrl);
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164 catch (Throwable e) {
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165 throw new ServletModuleFailure(e);
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169 public void add(HttpServletRequest req, HttpServletResponse res) throws ServletModuleExc {
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170 _showObject(null, req, res);
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174 public void insert(HttpServletRequest req, HttpServletResponse res) throws ServletModuleExc
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176 //theLog.printDebugInfo(":: content :: trying to insert");
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178 EntityUsers user = _getUser(req);
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179 Map withValues = getIntersectingValues(req, DatabaseContent.getInstance());
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181 String now = StringUtil.date2webdbDate(new GregorianCalendar());
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182 withValues.put("date", now);
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183 withValues.put("publish_path", StringUtil.webdbDate2path(now));
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184 withValues.put("to_publisher", user.getId());
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185 withValues.put("is_produced", "0");
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186 if (!withValues.containsKey("is_published"))
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187 withValues.put("is_published","0");
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188 if (!withValues.containsKey("is_html"))
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189 withValues.put("is_html","0");
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191 String id = mainModule.add(withValues);
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192 DatabaseContentToTopics.getInstance().setTopics(id,req.getParameterValues("to_topic"));
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194 _showObject(id, req, res);
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196 catch (Throwable e) {
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197 throw new ServletModuleFailure(e);
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201 public void delete(HttpServletRequest req, HttpServletResponse res) throws ServletModuleExc
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203 EntityUsers user = _getUser(req);
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205 String idParam = req.getParameter("id");
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206 if (idParam == null) throw new ServletModuleExc("Invalid call: id missing");
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208 String confirmParam = req.getParameter("confirm");
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209 String cancelParam = req.getParameter("cancel");
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211 logger.info("where = " + req.getParameter("where"));
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213 if (confirmParam == null && cancelParam == null) {
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215 SimpleHash mergeData = new SimpleHash();
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216 mergeData.put("module", "Content");
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217 mergeData.put("infoString", "Content: " + idParam);
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218 mergeData.put("id", idParam);
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219 mergeData.put("where", req.getParameter("where"));
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220 mergeData.put("order", req.getParameter("order"));
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221 mergeData.put("offset", req.getParameter("offset"));
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222 deliver(req, res, mergeData, templateConfirmString);
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225 if (confirmParam!= null && !confirmParam.equals("")) {
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227 mainModule.deleteById(idParam);
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229 /** @todo the following two should be implied in
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230 * DatabaseContent */
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232 //delete rows in the content_x_topic-table
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233 DatabaseContentToTopics.getInstance().deleteByContentId(idParam);
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234 //delete rows in the comment-table
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235 DatabaseComment.getInstance().deleteByContentId(idParam);
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236 //delete from lucene index, if any
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237 String index = configuration.getString("IndexPath");
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238 if (IndexReader.indexExists(index)){
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239 IndexUtil.unindexID(idParam,index);
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243 catch (Throwable e) {
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244 throw new ServletModuleFailure(e);
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249 // Datensatz anzeigen
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250 _showObject(idParam, req, res);
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255 public void edit(HttpServletRequest req, HttpServletResponse res) throws ServletModuleExc
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257 String idParam = req.getParameter("id");
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258 if (idParam == null)
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259 throw new ServletModuleExc("Invalid call: id not supplied ");
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260 _showObject(idParam, req, res);
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263 // methods for attaching media file
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264 public void attach(HttpServletRequest req, HttpServletResponse res) throws ServletModuleExc
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266 String mediaIdParam = req.getParameter("mid");
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267 String idParam = req.getParameter("cid");
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268 if (idParam == null||mediaIdParam==null) throw new ServletModuleExc("smod content :: attach :: cid/mid missing");
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271 EntityContent entContent = (EntityContent)mainModule.getById(idParam);
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272 entContent.attach(mediaIdParam);
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274 catch(ModuleException e) {
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275 logger.error("smod content :: attach :: could not get entityContent");
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277 catch(StorageObjectFailure e) {
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278 logger.error("smod content :: attach :: could not get entityContent");
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281 _showObject(idParam, req, res);
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284 public void dettach(HttpServletRequest req, HttpServletResponse res) throws ServletModuleExc
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286 String cidParam = req.getParameter("cid");
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287 String midParam = req.getParameter("mid");
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288 if (cidParam == null)
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289 throw new ServletModuleExc("smod content :: dettach :: cid missing");
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290 if (midParam == null)
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291 throw new ServletModuleExc("smod content :: dettach :: mid missing");
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294 EntityContent entContent = (EntityContent)mainModule.getById(cidParam);
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295 entContent.dettach(cidParam,midParam);
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297 catch(ModuleException e) {
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298 logger.error("smod content :: dettach :: could not get entityContent");
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300 catch(StorageObjectFailure e) {
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301 logger.error("smod content :: dettach :: could not get entityContent");
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304 _showObject(cidParam, req, res);
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307 public void update(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
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310 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
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312 String returnUrl = requestParser.getParameter("returnurl");
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314 String idParam = aRequest.getParameter("id");
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315 if (idParam == null)
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316 throw new ServletModuleExc("Wrong call: (id) is missing");
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318 Map withValues = getIntersectingValues(aRequest, DatabaseContent.getInstance());
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319 String[] topic_id = aRequest.getParameterValues("to_topic");
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320 String content_id = aRequest.getParameter("id");
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322 withValues.put("is_produced", "0");
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323 if (!withValues.containsKey("is_published"))
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324 withValues.put("is_published","0");
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325 if (!withValues.containsKey("is_html"))
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326 withValues.put("is_html","0");
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328 String id = mainModule.set(withValues);
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329 DatabaseContentToTopics.getInstance().setTopics(aRequest.getParameter("id"),topic_id);
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331 String whereParam = aRequest.getParameter("where");
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332 String orderParam = aRequest.getParameter("order");
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334 if (returnUrl!=null){
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335 redirect(aResponse, returnUrl);
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338 _showObject(idParam, aRequest, aResponse);
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340 catch (Throwable e) {
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341 throw new ServletModuleFailure(e);
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346 * HelperMethod shows the basic article editing form.
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348 * if the "id" parameter is null, it means show an empty form to add a new
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351 public void _showObject(String id, HttpServletRequest aRequest, HttpServletResponse aResponse)
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352 throws ServletModuleExc {
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354 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
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355 Map responseData = ServletHelper.makeGenerationData(getLocale(aRequest));
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356 EntityAdapterModel model = MirGlobal.localizer().dataModel().adapterModel();
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358 URLBuilder urlBuilder = new URLBuilder();
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360 urlBuilder.setValue("module", "Content");
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361 urlBuilder.setValue("do", "edit");
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362 urlBuilder.setValue("id", id);
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363 urlBuilder.setValue("returnurl", requestParser.getParameter("returnurl"));
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366 responseData.put("new", Boolean.FALSE);
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367 article = model.makeEntityAdapter("content", mainModule.getById(id));
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370 List fields = DatabaseContent.getInstance().getFields();
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371 responseData.put("new", Boolean.TRUE);
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372 article = new HashMap();
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373 Iterator i = fields.iterator();
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374 while (i.hasNext()) {
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375 article.put(i.next(), null);
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378 article.put("to_topics", null);
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380 MirGlobal.localizer().adminInterface().initializeArticle(article);
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382 responseData.put("article", article);
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384 responseData.put("returnurl", requestParser.getParameter("returnurl"));
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385 responseData.put("thisurl", urlBuilder.getQuery());
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387 ServletHelper.generateResponse(aResponse.getWriter(), responseData, editTemplate);
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389 catch (Throwable e) {
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390 throw new ServletModuleFailure(e);
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394 public void returnArticleList(
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395 HttpServletRequest aRequest,
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396 HttpServletResponse aResponse,
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397 String aWhereClause,
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398 String anOrderByClause,
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400 String aSelectArticleUrl) throws ServletModuleExc {
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402 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
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403 URLBuilder urlBuilder = new URLBuilder();
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404 EntityAdapterModel model;
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405 int nrArticlesPerPage = 20;
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409 Map responseData = ServletHelper.makeGenerationData(getLocale(aRequest));
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410 model = MirGlobal.localizer().dataModel().adapterModel();
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412 Object articleList =
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413 new CachingRewindableIterator(
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414 new EntityIteratorAdapter( aWhereClause, anOrderByClause, nrArticlesPerPage,
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415 MirGlobal.localizer().dataModel().adapterModel(), "content", nrArticlesPerPage, anOffset)
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418 responseData.put("nexturl", null);
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419 responseData.put("prevurl", null);
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421 count=mainModule.getSize(aWhereClause);
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423 urlBuilder.setValue("module", "Content");
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424 urlBuilder.setValue("do", "list");
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425 urlBuilder.setValue("where", aWhereClause);
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426 urlBuilder.setValue("order", anOrderByClause);
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429 urlBuilder.setValue("searchfield", requestParser.getParameter("searchfield"));
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430 urlBuilder.setValue("searchvalue", requestParser.getParameter("searchvalue"));
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431 urlBuilder.setValue("searchispublished", requestParser.getParameter("searchispublished"));
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432 urlBuilder.setValue("searchorder", requestParser.getParameter("searchorder"));
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433 urlBuilder.setValue("searcharticletype", requestParser.getParameter("searcharticletype"));
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434 urlBuilder.setValue("selectarticleurl", aSelectArticleUrl);
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436 responseData.put("searchfield", requestParser.getParameter("searchfield"));
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437 responseData.put("searchvalue", requestParser.getParameter("searchvalue"));
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438 responseData.put("searchispublished", requestParser.getParameter("searchispublished"));
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439 responseData.put("searchorder", requestParser.getParameter("searchorder"));
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440 responseData.put("searcharticletype", requestParser.getParameter("searcharticletype"));
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441 responseData.put("selectarticleurl", aSelectArticleUrl);
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443 urlBuilder.setValue("offset", anOffset);
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444 responseData.put("offset" , new Integer(anOffset).toString());
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445 responseData.put("thisurl" , urlBuilder.getQuery());
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447 if (count>=anOffset+nrArticlesPerPage) {
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448 urlBuilder.setValue("offset", (anOffset + nrArticlesPerPage));
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449 responseData.put("nexturl" , urlBuilder.getQuery());
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453 urlBuilder.setValue("offset", Math.max(anOffset - nrArticlesPerPage, 0));
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454 responseData.put("prevurl" , urlBuilder.getQuery());
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457 responseData.put("articles", articleList);
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459 responseData.put("from" , Integer.toString(anOffset+1));
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460 responseData.put("count", Integer.toString(count));
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461 responseData.put("to", Integer.toString(Math.min(anOffset+nrArticlesPerPage, count)));
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462 responseData.put("offset" , Integer.toString(anOffset));
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463 responseData.put("order", anOrderByClause);
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464 responseData.put("where" , aWhereClause);
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466 ServletHelper.generateResponse(aResponse.getWriter(), responseData, listTemplate);
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468 catch (Throwable e) {
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469 throw new ServletModuleFailure(e);
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473 public void selectparent(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
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476 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
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477 URLBuilder urlBuilder = new URLBuilder();
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479 urlBuilder.setValue("module", "Content");
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480 urlBuilder.setValue("do", "setparent");
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481 urlBuilder.setValue("childid", requestParser.getParameter("id"));
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482 urlBuilder.setValue("returnurl", requestParser.getParameter("returnurl"));
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484 returnArticleList(aRequest, aResponse, "", "", 0, urlBuilder.getQuery());
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486 catch (Throwable e) {
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487 throw new ServletModuleFailure(e);
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491 public void listchildren(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
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494 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
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495 String articleId = requestParser.getParameter("article_id");
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497 if (articleId == null)
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498 throw new ServletModuleExc("ServletModuleContent.listchildren: article_id not set!");
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500 returnArticleList(aRequest, aResponse, "to_content = " + articleId, "", 0, null);
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502 catch (Throwable e) {
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503 throw new ServletModuleFailure(e);
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507 public void setparent(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
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509 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
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510 String articleId = aRequest.getParameter("childid");
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511 String parentId = aRequest.getParameter("id");
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512 String returnUrl = aRequest.getParameter("returnurl");
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515 EntityContent article = (EntityContent) mainModule.getById(articleId);
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516 article.setValueForProperty("to_content", parentId);
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517 article.setProduced(false);
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520 catch(Throwable e) {
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521 logger.error("ServletModuleContent.setparent: " + e.getMessage());
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522 throw new ServletModuleFailure(e);
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525 redirect(aResponse, returnUrl);
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528 public void clearparent(HttpServletRequest aRequest, HttpServletResponse aResponse) throws ServletModuleExc
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530 HTTPRequestParser requestParser = new HTTPRequestParser(aRequest);
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531 String articleId = requestParser.getParameter("id");
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532 String returnUrl = requestParser.getParameter("returnurl");
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535 EntityContent article = (EntityContent) mainModule.getById(articleId);
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536 article.setValueForProperty("to_content", "");
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537 article.setProduced(false);
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540 catch(Throwable e) {
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541 e.printStackTrace(logger.asPrintWriter(LoggerWrapper.DEBUG_MESSAGE));
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542 logger.error("ServletModuleContent.clearparent: " + e.getMessage());
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544 throw new ServletModuleFailure("ServletModuleContent.clearparent: " + e.getMessage(), e);
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547 redirect(aResponse, returnUrl);
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550 private EntityUsers _getUser(HttpServletRequest req)
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552 HttpSession session=req.getSession(false);
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554 return (EntityUsers)session.getAttribute("login.uid");
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