01 /*
02 * Copyright 2010-2013 the original author or authors.
03 *
04 * Licensed under the Apache License, Version 2.0 (the "License");
05 * you may not use this file except in compliance with the License.
06 * You may obtain a copy of the License at
07 *
08 * http://www.apache.org/licenses/LICENSE-2.0
09 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.codehaus.griffon.runtime.core.i18n;
18
19 import griffon.core.i18n.NoSuchMessageException;
20 import org.codehaus.griffon.runtime.util.CompositeResourceBundle;
21
22 import java.util.Locale;
23 import java.util.Map;
24 import java.util.ResourceBundle;
25 import java.util.concurrent.ConcurrentHashMap;
26
27 /**
28 * @author Andres Almiray
29 * @since 1.1.0
30 */
31 public class DefaultMessageSource extends AbstractMessageSource {
32 private final String basename;
33 private final Map<Locale, ResourceBundle> bundles = new ConcurrentHashMap<Locale, ResourceBundle>();
34
35 public DefaultMessageSource(String basename) {
36 this.basename = basename;
37 }
38
39 public String getBasename() {
40 return basename;
41 }
42
43 protected String resolveMessage(String key, Locale locale) throws NoSuchMessageException {
44 return getBundle(locale).getString(key);
45 }
46
47 protected ResourceBundle getBundle(Locale locale) {
48 if (null == locale) locale = Locale.getDefault();
49 ResourceBundle rb = bundles.get(locale);
50 if (null == rb) {
51 rb = CompositeResourceBundle.create(basename, locale);
52 bundles.put(locale, rb);
53 }
54 return rb;
55 }
56 }
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