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 any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
31 package mircoders.global;
33 import mir.config.MirPropertiesConfiguration;
34 import mir.config.MirPropertiesConfiguration.PropertiesConfigExc;
35 import mir.misc.ConfigException;
36 import mircoders.localizer.MirCachingLocalizerDecorator;
37 import mircoders.localizer.MirLocalizer;
38 import mircoders.accesscontrol.*;
40 public class MirGlobal {
41 static private MirPropertiesConfiguration configuration;
42 static private MirLocalizer localizer;
43 static private ProducerEngine producerEngine;
44 static private Abuse abuse;
45 static private MRUCache mruCache;
46 static private AccessControl accessControl;
48 public static MirLocalizer localizer() {
49 String localizerClassName;
52 if (localizer == null ) {
53 synchronized(MirGlobal.class) {
54 if (localizer == null ) {
55 localizerClassName = config().getString("Mir.Localizer", "mirlocal.localizer.basic.MirBasicLocalizer");
58 localizerClass = Class.forName(localizerClassName);
61 throw new ConfigException("localizer class '" + localizerClassName + "' not found: " + t.toString());
64 if (!(MirLocalizer.class.isAssignableFrom(localizerClass)))
65 throw new ConfigException("localizer class '" + localizerClassName + "' is not assignable from MirLocalizer");
68 localizer = new MirCachingLocalizerDecorator((MirLocalizer) localizerClass.newInstance());
71 throw new ConfigException("localizer class '" + localizerClassName + "' cannot be instantiated: " + t.toString());
80 public static Abuse abuse() {
82 synchronized(MirGlobal.class) {
91 public static MirPropertiesConfiguration config() {
93 return MirPropertiesConfiguration.instance();
95 catch (PropertiesConfigExc e) {
96 throw new RuntimeException(e.getMessage());
100 public static ProducerEngine producerEngine() {
101 if (producerEngine == null) {
102 producerEngine = new ProducerEngine();
105 return producerEngine;
108 public static MRUCache mruCache() {
109 synchronized(MirGlobal.class) {
110 if (mruCache == null) {
111 mruCache = new MRUCache();
117 public static synchronized AccessControl accessControl() {
118 if (accessControl == null) {
119 accessControl=new AccessControl();
122 return accessControl;