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.global;
34 import mir.config.MirPropertiesConfiguration;
35 import mir.config.MirPropertiesConfiguration.PropertiesConfigExc;
36 import mir.misc.ConfigException;
37 import mircoders.localizer.MirCachingLocalizerDecorator;
38 import mircoders.localizer.MirLocalizer;
40 public class MirGlobal {
41 static private MirPropertiesConfiguration configuration;
42 static private MirLocalizer localizer;
43 static private ProducerEngine producerEngine;
45 public static MirLocalizer localizer() {
46 String localizerClassName;
49 if (localizer == null ) {
50 synchronized(MirGlobal.class) {
51 if (localizer == null ) {
52 localizerClassName = getConfigPropertyWithDefault("Mir.Localizer", "mirlocal.localizer.basic.MirBasicLocalizer");
55 localizerClass = Class.forName(localizerClassName);
58 throw new ConfigException("localizer class '" + localizerClassName + "' not found: " + t.toString());
61 if (!(MirLocalizer.class.isAssignableFrom(localizerClass)))
62 throw new ConfigException("localizer class '" + localizerClassName + "' is not assignable from MirLocalizer");
65 localizer = new MirCachingLocalizerDecorator((MirLocalizer) localizerClass.newInstance());
68 throw new ConfigException("localizer class '" + localizerClassName + "' cannot be instantiated: " + t.toString());
77 public static MirPropertiesConfiguration config() {
79 return MirPropertiesConfiguration.instance();
81 catch (PropertiesConfigExc e) {
82 throw new RuntimeException(e.getMessage());
86 public static ProducerEngine producerEngine() {
87 if (producerEngine == null) {
88 producerEngine = new ProducerEngine();
91 return producerEngine;
94 public static String getConfigPropertyWithDefault(String aPropertyName, String aDefault) {
97 //this try-catch is sort of a hack, if we make everything use MirGlobal
98 //instead of MirConfig, we can get rid of the Runtime exception we through
99 //in getProp, and deal with it here.. needs more thinking.. -mh
101 result = config().getString(aPropertyName);
102 } catch (Throwable t) {
113 public static String getConfigProperty(String aPropertyName) {
116 result = config().getString(aPropertyName);
119 throw new ConfigException("Property '" + aPropertyName + "' not present");
124 public static int getConfigIntegerProperty(String aPropertyName) {
125 return config().getInt(aPropertyName);
128 public static boolean getConfigBooleanProperty(String aPropertyName) {
129 return config().getBoolean(aPropertyName);