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 any library licensed under the Apache Software License,
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22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
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23 * (or with modified versions of the above that use the same license as the above),
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24 * and distribute linked combinations including the two. You must obey the
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25 * GNU General Public License in all respects for all of the code used other than
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26 * the above mentioned libraries. If you modify this file, you may extend this
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27 * exception to your version of the file, but you are not obligated to do so.
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28 * If you do not wish to do so, delete this exception statement from your version.
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31 package mircoders.global;
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33 import java.util.HashMap;
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34 import java.util.Iterator;
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35 import java.util.List;
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36 import java.util.Map;
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37 import java.util.Vector;
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39 import mir.config.MirPropertiesConfiguration;
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40 import mir.config.MirPropertiesConfiguration.PropertiesConfigExc;
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41 import mir.entity.adapter.EntityAdapter;
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42 import mir.log.LoggerWrapper;
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43 import mir.misc.ConfigException;
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44 import mircoders.accesscontrol.AccessControl;
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45 import mircoders.entity.EntityComment;
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46 import mircoders.entity.EntityContent;
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47 import mircoders.entity.EntityUsers;
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48 import mircoders.localizer.MirAdminInterfaceLocalizer;
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49 import mircoders.localizer.MirCachingLocalizerDecorator;
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50 import mircoders.localizer.MirLocalizer;
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52 public class MirGlobal {
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53 static private MirPropertiesConfiguration configuration;
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54 static private MirLocalizer localizer;
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55 static private ProducerEngine producerEngine;
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56 static private Abuse abuse;
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57 static private MRUCache mruCache;
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58 static private AccessControl accessControl;
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59 static private Map articleOperations;
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60 static private Map commentOperations;
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61 static private Map loggedInUsers = new HashMap();
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62 static private Map loggedInUserIds = new HashMap();
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63 static private LoggerWrapper logger = new LoggerWrapper("Global");
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64 static private LoggerWrapper adminUsageLogger = new LoggerWrapper("AdminUsage");
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66 public synchronized static MirLocalizer localizer() {
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67 String localizerClassName;
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68 Class localizerClass;
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70 if (localizer == null ) {
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71 localizerClassName = config().getString("Mir.Localizer", "mirlocal.localizer.basic.MirBasicLocalizer");
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74 localizerClass = Class.forName(localizerClassName);
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76 catch (Throwable t) {
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77 throw new ConfigException("localizer class '" + localizerClassName + "' not found: " + t.toString());
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80 if (!(MirLocalizer.class.isAssignableFrom(localizerClass)))
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81 throw new ConfigException("localizer class '" + localizerClassName + "' is not assignable from MirLocalizer");
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84 localizer = new MirCachingLocalizerDecorator((MirLocalizer) localizerClass.newInstance());
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86 catch (Throwable t) {
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87 throw new ConfigException("localizer class '" + localizerClassName + "' cannot be instantiated: " + t.toString());
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94 public static String getStatus() {
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95 StringBuffer result = new StringBuffer();
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98 result.append(Runtime.getRuntime().freeMemory()).append("/");
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99 result.append(Runtime.getRuntime().freeMemory()).append(" free memory | ");
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100 result.append(Thread.currentThread().activeCount()).append(" active threads");
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102 return result.toString();
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105 public synchronized static Abuse abuse() {
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107 abuse = new Abuse();
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112 public static MirPropertiesConfiguration config() {
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114 return MirPropertiesConfiguration.instance();
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116 catch (PropertiesConfigExc e) {
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117 throw new RuntimeException(e.getMessage());
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121 public static ProducerEngine producerEngine() {
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122 if (producerEngine == null) {
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123 producerEngine = new ProducerEngine();
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126 return producerEngine;
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129 public static MRUCache mruCache() {
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130 synchronized(MirGlobal.class) {
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131 if (mruCache == null) {
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132 mruCache = new MRUCache();
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138 public static synchronized AccessControl accessControl() {
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139 if (accessControl == null) {
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140 accessControl=new AccessControl();
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143 return accessControl;
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146 public static void performArticleOperation(EntityUsers aUser, EntityContent anArticle, String anOperation) {
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147 MirAdminInterfaceLocalizer.MirSimpleEntityOperation operation = getArticleOperationForName(anOperation);
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150 EntityAdapter user = null;
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152 user = localizer().dataModel().adapterModel().makeEntityAdapter("user", aUser);
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154 if (operation!=null)
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157 localizer().dataModel().adapterModel().makeEntityAdapter("content", anArticle));
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159 catch (Throwable t) {
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160 t.printStackTrace(logger.asPrintWriter(LoggerWrapper.DEBUG_MESSAGE));
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162 throw new RuntimeException(t.toString());
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166 public static void performCommentOperation(EntityUsers aUser, EntityComment aComment, String anOperation) {
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167 MirAdminInterfaceLocalizer.MirSimpleEntityOperation operation = getCommentOperationForName(anOperation);
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170 EntityAdapter user = null;
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172 user = localizer().dataModel().adapterModel().makeEntityAdapter("user", aUser);
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174 if (operation!=null)
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177 localizer().dataModel().adapterModel().makeEntityAdapter("comment", aComment));
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179 catch (Throwable t) {
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180 throw new RuntimeException(t.toString());
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184 private synchronized static MirAdminInterfaceLocalizer.MirSimpleEntityOperation getArticleOperationForName(String aName) {
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186 if (articleOperations == null) {
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187 articleOperations = new HashMap();
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188 Iterator i = localizer().adminInterface().simpleArticleOperations().iterator();
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189 while (i.hasNext()) {
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190 MirAdminInterfaceLocalizer.MirSimpleEntityOperation operation = (MirAdminInterfaceLocalizer.MirSimpleEntityOperation) i.next();
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191 articleOperations.put(operation.getName(), operation);
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195 return (MirAdminInterfaceLocalizer.MirSimpleEntityOperation) articleOperations.get(aName);
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197 catch (Throwable t) {
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198 throw new RuntimeException(t.toString());
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202 private synchronized static MirAdminInterfaceLocalizer.MirSimpleEntityOperation getCommentOperationForName(String aName) {
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204 if (commentOperations == null) {
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205 commentOperations = new HashMap();
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206 Iterator i = localizer().adminInterface().simpleCommentOperations().iterator();
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207 while (i.hasNext()) {
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208 MirAdminInterfaceLocalizer.MirSimpleEntityOperation operation = (MirAdminInterfaceLocalizer.MirSimpleEntityOperation) i.next();
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209 commentOperations.put(operation.getName(), operation);
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213 return (MirAdminInterfaceLocalizer.MirSimpleEntityOperation) commentOperations.get(aName);
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215 catch (Throwable t) {
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216 throw new RuntimeException(t.toString());
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220 public static boolean isUserLoggedIn(String anId) {
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221 synchronized (loggedInUserIds) {
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222 return loggedInUserIds.containsKey(anId);
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226 public static List getLoggedInUsers() {
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227 List result = new Vector();
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229 synchronized (loggedInUsers) {
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230 Iterator i = loggedInUsers.entrySet().iterator();
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232 while (i.hasNext()) {
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233 Map.Entry entry = (Map.Entry) i.next();
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235 Map item = new HashMap();
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236 item.put("name", entry.getKey());
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237 item.put("count", entry.getValue());
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245 public static void registerLogin(String aName, String anId) {
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246 modifyLoggedInCount(aName, anId, 1);
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249 public static void registerLogout(String aName, String anId) {
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250 modifyLoggedInCount(aName, anId, -1);
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253 private static void modifyLoggedInCount(String aName, String anId, int aModifier) {
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254 synchronized (loggedInUsers) {
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255 Integer count = (Integer) loggedInUsers.get(aName);
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257 count = new Integer(0);
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259 if (count.intValue()+aModifier<=0) {
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260 loggedInUsers.remove(aName);
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263 loggedInUsers.put(aName, new Integer(count.intValue() + aModifier));
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267 synchronized (loggedInUserIds) {
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268 Integer count = (Integer) loggedInUserIds.get(anId);
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270 count = new Integer(0);
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272 if (count.intValue()+aModifier<=0) {
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273 loggedInUserIds.remove(anId);
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276 loggedInUserIds.put(anId, new Integer(count.intValue() + aModifier));
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281 public static void logAdminUsage(EntityUsers aUser, String anObject, String aDescription) {
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283 if (config().getString("Mir.Admin.LogAdminActivity", "0").equals("1")) {
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284 String user = "unknown (" + aUser.toString() + ")";
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286 user = aUser.getValue("login");
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287 adminUsageLogger.info(user + " | " + anObject + " | " + aDescription);
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290 catch (Throwable t) {
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291 logger.error("Error while logging admin usage ("+aUser.toString()+", "+aDescription+"): " +t.toString());
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