1 /**
2 * This file Copyright (c) 2003-2010 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.cms.util.ClasspathResourcesUtil;
37
38 import java.io.IOException;
39 import java.io.InputStream;
40 import java.util.Iterator;
41 import java.util.Locale;
42 import java.util.MissingResourceException;
43 import java.util.PropertyResourceBundle;
44 import java.util.ResourceBundle;
45
46 import org.apache.commons.collections.IteratorUtils;
47 import org.apache.commons.lang.StringUtils;
48 import org.apache.commons.io.IOUtils;
49
50
51 /**
52 * @author Philipp Bracher
53 * @version $Revision: 32667 $ ($Author: gjoseph $)
54 */
55 public class DefaultMessagesImpl extends AbstractMessagesImpl {
56
57 protected DefaultMessagesImpl(String basename, Locale locale) {
58 super(basename, locale);
59 }
60
61 /**
62 * Get the message from the bundle.
63 * @param key the key
64 * @return message
65 */
66 public String get(String key) {
67 if(key == null){
68 return "??????";
69 }
70 try {
71 return getBundle().getString(key);
72 }
73 catch (MissingResourceException e) {
74 return "???" + key + "???"; //$NON-NLS-1$ //$NON-NLS-2$
75 }
76 }
77
78 /**
79 * Returns the bundle for the current basename.
80 */
81 protected ResourceBundle getBundle() {
82 if (bundle == null) {
83 InputStream stream = null;
84 try {
85 // TODO : isnt this what ResourceBundle does? except maybe for some ClasspathResourcesUtil magic ?
86 final String path = "/" + StringUtils.replace(basename, ".", "/");
87 final Locale locale = getLocale();
88 final Locale defaultLocale = MessagesManager.getInstance().getDefaultLocale();
89
90 stream = ClasspathResourcesUtil.getStream(path + "_" + locale.getLanguage() + "_" + locale.getCountry() + ".properties", false);
91 if (stream == null) {
92 stream = ClasspathResourcesUtil.getStream(path + "_" + locale.getLanguage() + ".properties", false);
93 }
94 if (stream == null) {
95 stream = ClasspathResourcesUtil.getStream(path + "_" + defaultLocale.getLanguage() + ".properties", false);
96 }
97 if (stream == null) {
98 stream = ClasspathResourcesUtil.getStream(path + ".properties", false);
99 }
100
101 if (stream != null) {
102 bundle = new PropertyResourceBundle(stream);
103 }
104 else {
105 bundle = ResourceBundle.getBundle(getBasename(), locale);
106 }
107 }
108 catch (IOException e) {
109 log.error("can't load messages for " + basename);
110 } finally {
111 IOUtils.closeQuietly(stream);
112 }
113 }
114 return bundle;
115 }
116
117 public void reload() throws Exception {
118 this.bundle = null;
119 }
120
121 /**
122 * Iterate over the keys.
123 */
124 public Iterator keys() {
125 ResourceBundle bundle = this.getBundle();
126 if(bundle != null) {
127 return IteratorUtils.asIterator(bundle.getKeys());
128 }
129 return IteratorUtils.EMPTY_ITERATOR;
130 }
131 }