1 /*
2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 /*
27 * (C) Copyright Taligent, Inc. 1996, 1997 - All Rights Reserved
28 * (C) Copyright IBM Corp. 1996 - 1998 - All Rights Reserved
29 *
30 * The original version of this source code and documentation
31 * is copyrighted and owned by Taligent, Inc., a wholly-owned
32 * subsidiary of IBM. These materials are provided under terms
33 * of a License Agreement between Taligent and Sun. This technology
34 * is protected by multiple US and International patents.
35 *
36 * This notice and attribution to Taligent may not be removed.
37 * Taligent is a registered trademark of Taligent, Inc.
38 *
39 */
40
41 package sun.util.locale.provider;
42
43 import java.text.MessageFormat;
44 import java.util.Calendar;
45 import java.util.Locale;
46 import java.util.ResourceBundle;
47 import java.util.concurrent.ConcurrentHashMap;
48 import java.util.concurrent.ConcurrentMap;
49 import sun.util.resources.TimeZoneNamesBundle;
50
51 /**
52 * Central accessor to locale-dependent resources.
53 *
54 * @author Masayoshi Okutsu
55 */
56 public class LocaleResources {
57
58 private final LocaleProviderAdapter adapter;
59 private final Locale locale;
60
61 // Resource cache
62 private ConcurrentMap<String, Object> cache = new ConcurrentHashMap<>();
63
64
65 LocaleResources(LocaleProviderAdapter adapter, Locale locale) {
66 this.adapter = adapter;
67 this.locale = locale;
68 }
69
70 public TimeZoneNamesBundle getTimeZoneNames() {
71 TimeZoneNamesBundle tznames = (TimeZoneNamesBundle) cache.get("TimeZoneNames");
72 if (tznames == null) {
73 tznames = adapter.getLocaleData().getTimeZoneNames(locale);
74 TimeZoneNamesBundle tznb = (TimeZoneNamesBundle) cache.putIfAbsent("TimeZoneNames", tznames);
75 if (tznb != null) {
76 tznames = tznb;
77 }
78 }
79 return tznames;
80 }
81
82 public String getDateTimePattern(int timeStyle, int dateStyle, Calendar cal) {
83 String pattern;
84
85 if (cal == null) {
86 cal = Calendar.getInstance(locale);
87 }
88 String calType = cal.getCalendarType();
89 String timePattern = null;
90 String datePattern = null;
91 if (timeStyle >= 0) {
92 timePattern = getDateTimePattern("TimePatterns", timeStyle, calType);
93 }
94 if (dateStyle >= 0) {
95 datePattern = getDateTimePattern("DatePatterns", dateStyle, calType);
96 }
97 if (timeStyle >= 0) {
98 if (dateStyle >= 0) {
99 String dateTimePattern = getDateTimePattern("DateTimePatterns", 0, calType);
100 switch (dateTimePattern) {
101 case "{1} {0}":
102 pattern = datePattern + " " + timePattern;
103 break;
104 case "{0} {1}":
105 pattern = timePattern + " " + datePattern;
106 break;
107 default:
108 pattern = MessageFormat.format(dateTimePattern, timePattern, datePattern);
109 break;
110 }
111 } else {
112 pattern = timePattern;
113 }
114 } else if (dateStyle >= 0) {
115 pattern = datePattern;
116 } else {
117 throw new IllegalArgumentException("No date or time style specified");
118 }
119 return pattern;
120 }
121
122 public String[] getNumberPatterns() {
123 /* try the cache first */
124 String[] numberPatterns = (String[]) cache.get("NumberPatterns");
125 if (numberPatterns == null) { /* cache miss */
126 ResourceBundle resource = adapter.getLocaleData().getNumberFormatData(locale);
127 numberPatterns = resource.getStringArray("NumberPatterns");
128 /* update cache */
129 cache.put("NumberPatterns", numberPatterns);
130 }
131 return numberPatterns;
132 }
133
134 private String getDateTimePattern(String key, int styleIndex, String calendarType) {
135 String resourceKey = "gregory".equals(calendarType) ? key : calendarType + "." + key;
136 /* try the cache first */
137 String[] patterns = (String[]) cache.get(resourceKey);
138 if (patterns == null) { /* cache miss */
139 ResourceBundle r = adapter.getLocaleData().getDateFormatData(locale);
140 if (r.containsKey(resourceKey)) {
141 patterns = r.getStringArray(resourceKey);
142 } else {
143 assert !resourceKey.equals(key);
144 patterns = r.getStringArray(key);
145 }
146 /* update cache */
147 cache.putIfAbsent(resourceKey, patterns);
148 }
149 return patterns[styleIndex];
150 }
151 }