1 /**
2 * This file Copyright (c) 2003-2013 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.cms.i18n;
35
36 import info.magnolia.context.MgnlContext;
37 import info.magnolia.objectfactory.Components;
38
39 import java.util.Collection;
40 import java.util.Locale;
41
42 /**
43 * From this class you get the i18n messages. You should pass a request, but if you can't the getMessages method will
44 * handle it properly. The get() methods are easy to use.
45 *
46 * @version $Id$
47 */
48 public abstract class MessagesManager {
49
50 /**
51 * Use this locale if no other provided.
52 */
53 public static final String FALLBACK_LOCALE = "en";
54
55 /**
56 * Use this basename if no other is provided.
57 */
58 public static final String DEFAULT_BASENAME = "info.magnolia.ui.admincentral.messages_legacy";
59
60 /**
61 * The node name where the configuration for i18n is stored.
62 */
63 public static final String I18N_CONFIG_PATH = "/server/i18n/system";
64
65 /**
66 * The name of the property to store the current system language.
67 */
68 public static final String FALLBACK_NODEDATA = "fallbackLanguage";
69
70 /**
71 * Under this node all the available languages are stored. They are showed in the user dialog.
72 */
73 public static final String LANGUAGES_NODE_NAME = "languages";
74
75 /**
76 * @deprecated since 4.5, use IoC !
77 */
78 public static MessagesManager getInstance() {
79 return Components.getSingleton(MessagesManager.class);
80 }
81
82 public static Messages getMessages() {
83 return getMessages(null, getCurrentLocale());
84 }
85
86 public static Messages getMessages(String basename) {
87 return getMessages(basename, getCurrentLocale());
88 }
89
90 public static Messages getMessages(Locale locale) {
91 return getMessages(null, locale);
92 }
93
94 public static Messages getMessages(String basename, Locale locale) {
95 return getInstance().getMessagesInternal(basename, locale);
96 }
97
98 public static String get(String key) {
99 return getMessages().get(key);
100 }
101
102 /**
103 * Get a message with parameters inside: the value {0} must be a number.
104 *
105 * @param key key to find
106 * @param args replacement strings
107 * @return message
108 */
109 public static String get(String key, Object[] args) {
110 return getMessages().get(key, args);
111 }
112
113 /**
114 * Use a default string.
115 *
116 * @param key key to find
117 * @param defaultMsg default message
118 * @return message
119 */
120 public static String getWithDefault(String key, String defaultMsg) {
121 return getMessages().getWithDefault(key, defaultMsg);
122 }
123
124 /**
125 * Get a message with parameters inside: the value {0} must be a number. Use a default message.
126 *
127 * @param key key to find
128 * @param args replacement strings
129 * @param defaultMsg default message
130 * @return message
131 */
132 public static String getWithDefault(String key, Object[] args, String defaultMsg) {
133 return getMessages().getWithDefault(key, args, defaultMsg);
134 }
135
136 private static Locale getCurrentLocale() {
137 return MgnlContext.getInstance().getLocale();
138 }
139
140 public abstract void init();
141
142 public abstract Collection getAvailableLocales();
143
144 public abstract Locale getDefaultLocale();
145
146 protected abstract Messages getMessagesInternal(String basename, Locale locale);
147
148 public abstract void reload();
149 }