2 * Copyright (C) 2001, 2002 The Mir-coders group
\r
4 * This file is part of Mir.
\r
6 * Mir is free software; you can redistribute it and/or modify
\r
7 * it under the terms of the GNU General Public License as published by
\r
8 * the Free Software Foundation; either version 2 of the License, or
\r
9 * (at your option) any later version.
\r
11 * Mir is distributed in the hope that it will be useful,
\r
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
\r
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
\r
14 * GNU General Public License for more details.
\r
16 * You should have received a copy of the GNU General Public License
\r
17 * along with Mir; if not, write to the Free Software
\r
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
\r
20 * In addition, as a special exception, The Mir-coders gives permission to link
\r
21 * the code of this program with any library licensed under the Apache Software License,
\r
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
\r
23 * (or with modified versions of the above that use the same license as the above),
\r
24 * and distribute linked combinations including the two. You must obey the
\r
25 * GNU General Public License in all respects for all of the code used other than
\r
26 * the above mentioned libraries. If you modify this file, you may extend this
\r
27 * exception to your version of the file, but you are not obligated to do so.
\r
28 * If you do not wish to do so, delete this exception statement from your version.
\r
31 package mircoders.global;
\r
33 import java.util.HashMap;
\r
34 import java.util.Iterator;
\r
35 import java.util.List;
\r
36 import java.util.Map;
\r
37 import java.util.Vector;
\r
39 import mir.bundle.BasicBundleFactory;
\r
40 import mir.bundle.BundleFactory;
\r
41 import mir.bundle.CascadingBundleFactory;
\r
42 import mir.bundle.PropertiesFileBundleLoader;
\r
43 import mir.config.MirPropertiesConfiguration;
\r
44 import mir.entity.adapter.EntityAdapter;
\r
45 import mir.log.LoggerEngine;
\r
46 import mir.log.LoggerWrapper;
\r
47 import mir.misc.ConfigException;
\r
48 import mircoders.accesscontrol.AccessControl;
\r
49 import mircoders.entity.EntityComment;
\r
50 import mircoders.entity.EntityContent;
\r
51 import mircoders.entity.EntityUsers;
\r
52 import mircoders.localizer.MirAdminInterfaceLocalizer;
\r
53 import mircoders.localizer.MirCachingLocalizerDecorator;
\r
54 import mircoders.localizer.MirLocalizer;
\r
56 public class MirGlobal {
\r
57 static private MirLocalizer localizer;
\r
58 static private ProducerEngine producerEngine;
\r
59 static private Abuse abuse;
\r
60 static private MRUCache mruCache;
\r
61 static private AccessControl accessControl;
\r
62 static private Map articleOperations;
\r
63 static private Map commentOperations;
\r
64 static private Map loggedInUsers = new HashMap();
\r
65 static private Map loggedInUserIds = new HashMap();
\r
66 static private LoggerWrapper logger = new LoggerWrapper("Global");
\r
67 static private LoggerWrapper adminUsageLogger = new LoggerWrapper("AdminUsage");
\r
68 // static private ChangeEngine changeEngine = new ChangeEngine();
\r
69 static private DatabaseEngine databaseEngine;
\r
71 static private BundleFactory bundleFactory =
\r
72 new CascadingBundleFactory(
\r
73 new BasicBundleFactory(
\r
74 new PropertiesFileBundleLoader(
\r
75 config().getHome())));
\r
77 public synchronized static MirLocalizer localizer() {
\r
78 String localizerClassName;
\r
79 Class localizerClass;
\r
81 if (localizer == null ) {
\r
82 localizerClassName = config().getString("Mir.Localizer", "mirlocal.localizer.basic.MirBasicLocalizer");
\r
85 localizerClass = Class.forName(localizerClassName);
\r
87 catch (Throwable t) {
\r
88 throw new ConfigException("localizer class '" +
\r
89 localizerClassName + "' not found: " + t.toString());
\r
92 if (!(MirLocalizer.class.isAssignableFrom(localizerClass)))
\r
93 throw new ConfigException("localizer class '" +
\r
94 localizerClassName + "' is not assignable from MirLocalizer");
\r
97 localizer = new MirCachingLocalizerDecorator((MirLocalizer) localizerClass.newInstance());
\r
99 catch (Throwable t) {
\r
100 throw new ConfigException("localizer class '" +
\r
101 localizerClassName + "' cannot be instantiated: " + t.toString());
\r
109 * Returns a string that provides some global status information
\r
111 public static String getStatus() {
\r
112 StringBuffer result = new StringBuffer();
\r
114 result.append((Runtime.getRuntime().totalMemory()-Runtime.getRuntime().freeMemory())/(1024*1024));
\r
115 result.append("M in use, ");
\r
116 result.append(Thread.currentThread().activeCount()).append(" threads, ");
\r
117 result.append(getDatabaseEngine().getStatus());
\r
119 return result.toString();
\r
122 public synchronized static Abuse abuse() {
\r
124 abuse = new Abuse();
\r
130 * returns the global change engine (used to track changed files)
\r
132 // public static ChangeEngine getChangeEngine() {
\r
133 // return changeEngine;
\r
136 public static MirPropertiesConfiguration config() {
\r
137 return MirPropertiesConfiguration.instance();
\r
140 public synchronized static DatabaseEngine getDatabaseEngine() {
\r
141 if (databaseEngine==null)
\r
142 databaseEngine = new DatabaseEngine();
\r
144 return databaseEngine;
\r
147 public static ProducerEngine getProducerEngine() {
\r
148 if (producerEngine == null) {
\r
149 producerEngine = new ProducerEngine();
\r
152 return producerEngine;
\r
155 public static MRUCache mruCache() {
\r
156 synchronized(MirGlobal.class) {
\r
157 if (mruCache == null) {
\r
158 mruCache = new MRUCache();
\r
164 public static synchronized AccessControl accessControl() {
\r
165 if (accessControl == null) {
\r
166 accessControl=new AccessControl();
\r
169 return accessControl;
\r
172 public static void performArticleOperation(EntityUsers aUser, EntityContent anArticle, String anOperation) {
\r
173 MirAdminInterfaceLocalizer.MirSimpleEntityOperation operation = getArticleOperationForName(anOperation);
\r
176 EntityAdapter user = null;
\r
178 user = localizer().dataModel().adapterModel().makeEntityAdapter("user", aUser);
\r
180 if (operation!=null)
\r
183 localizer().dataModel().adapterModel().makeEntityAdapter("content", anArticle));
\r
185 catch (Throwable t) {
\r
186 t.printStackTrace(logger.asPrintWriter(LoggerWrapper.DEBUG_MESSAGE));
\r
188 throw new RuntimeException(t.toString());
\r
192 public static void performCommentOperation(EntityUsers aUser, EntityComment aComment, String anOperation) {
\r
193 MirAdminInterfaceLocalizer.MirSimpleEntityOperation operation = getCommentOperationForName(anOperation);
\r
196 EntityAdapter user = null;
\r
198 user = localizer().dataModel().adapterModel().makeEntityAdapter("user", aUser);
\r
200 if (operation!=null)
\r
203 localizer().dataModel().adapterModel().makeEntityAdapter("comment", aComment));
\r
205 catch (Throwable t) {
\r
206 throw new RuntimeException(t.toString());
\r
210 private synchronized static MirAdminInterfaceLocalizer.MirSimpleEntityOperation
\r
211 getArticleOperationForName(String aName) {
\r
213 if (articleOperations == null) {
\r
214 articleOperations = new HashMap();
\r
215 Iterator i = localizer().adminInterface().simpleArticleOperations().iterator();
\r
216 while (i.hasNext()) {
\r
217 MirAdminInterfaceLocalizer.MirSimpleEntityOperation operation =
\r
218 (MirAdminInterfaceLocalizer.MirSimpleEntityOperation) i.next();
\r
219 articleOperations.put(operation.getName(), operation);
\r
223 return (MirAdminInterfaceLocalizer.MirSimpleEntityOperation) articleOperations.get(aName);
\r
225 catch (Throwable t) {
\r
226 throw new RuntimeException(t.toString());
\r
230 private synchronized static MirAdminInterfaceLocalizer.MirSimpleEntityOperation
\r
231 getCommentOperationForName(String aName) {
\r
233 if (commentOperations == null) {
\r
234 commentOperations = new HashMap();
\r
235 Iterator i = localizer().adminInterface().simpleCommentOperations().iterator();
\r
236 while (i.hasNext()) {
\r
237 MirAdminInterfaceLocalizer.MirSimpleEntityOperation operation =
\r
238 (MirAdminInterfaceLocalizer.MirSimpleEntityOperation) i.next();
\r
239 commentOperations.put(operation.getName(), operation);
\r
243 return (MirAdminInterfaceLocalizer.MirSimpleEntityOperation) commentOperations.get(aName);
\r
245 catch (Throwable t) {
\r
246 throw new RuntimeException(t.toString());
\r
250 public static boolean isUserLoggedIn(String anId) {
\r
251 synchronized (loggedInUserIds) {
\r
252 return loggedInUserIds.containsKey(anId);
\r
256 public static List getLoggedInUsers() {
\r
257 List result = new Vector();
\r
259 synchronized (loggedInUsers) {
\r
260 Iterator i = loggedInUsers.entrySet().iterator();
\r
262 while (i.hasNext()) {
\r
263 Map.Entry entry = (Map.Entry) i.next();
\r
265 Map item = new HashMap();
\r
266 item.put("name", entry.getKey());
\r
267 item.put("count", entry.getValue());
\r
275 public static BundleFactory getBundleFactory() {
\r
276 return bundleFactory;
\r
279 public static void registerLogin(String aName, String anId) {
\r
280 modifyLoggedInCount(aName, anId, 1);
\r
283 public static void registerLogout(String aName, String anId) {
\r
284 modifyLoggedInCount(aName, anId, -1);
\r
287 private static void modifyLoggedInCount(String aName, String anId, int aModifier) {
\r
288 synchronized (loggedInUsers) {
\r
289 Integer count = (Integer) loggedInUsers.get(aName);
\r
291 count = new Integer(0);
\r
293 if (count.intValue()+aModifier<=0) {
\r
294 loggedInUsers.remove(aName);
\r
297 loggedInUsers.put(aName, new Integer(count.intValue() + aModifier));
\r
301 synchronized (loggedInUserIds) {
\r
302 Integer count = (Integer) loggedInUserIds.get(anId);
\r
304 count = new Integer(0);
\r
306 if (count.intValue()+aModifier<=0) {
\r
307 loggedInUserIds.remove(anId);
\r
310 loggedInUserIds.put(anId, new Integer(count.intValue() + aModifier));
\r
316 * Called whenever a modifying admin action occurs. Used to log
\r
317 * the action, if admin activity logging is turned on,
\r
319 public static void logAdminUsage(EntityUsers aUser, String anObject, String aDescription) {
\r
321 if (config().getString("Mir.Admin.LogAdminActivity", "0").equals("1")) {
\r
322 String user = "unknown (" + aUser.toString() + ")";
\r
324 user = aUser.getFieldValue("login");
\r
325 adminUsageLogger.info(user + " | " + anObject + " | " + aDescription);
\r
328 catch (Throwable t) {
\r
329 logger.error("Error while logging admin usage ("+
\r
330 aUser.toString()+", "+aDescription+"): " +t.toString());
\r
335 * Reloads all reloadable configurations, such as the producer subsystem.
\r
337 public static void reloadConfigurations() throws MirGlobalExc, MirGlobalFailure {
\r
338 getProducerEngine().reloadConfiguration();
\r
340 LoggerEngine.reload();
\r
342 catch (Throwable e) {
\r
343 throw new MirGlobalFailure(e);
\r
345 getBundleFactory().reload();
\r