|
1 /* |
|
2 * Copyright (c) 1997, 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 package com.sun.istack.internal.localization; |
|
27 |
|
28 import java.text.MessageFormat; |
|
29 import java.util.HashMap; |
|
30 import java.util.Locale; |
|
31 import java.util.MissingResourceException; |
|
32 import java.util.ResourceBundle; |
|
33 |
|
34 /** |
|
35 * Localizes the {@link Localizable} into a message |
|
36 * by using a configured {@link Locale}. |
|
37 * |
|
38 * @author WS Development Team |
|
39 */ |
|
40 public class Localizer { |
|
41 |
|
42 private final Locale _locale; |
|
43 private final HashMap _resourceBundles; |
|
44 |
|
45 public Localizer() { |
|
46 this(Locale.getDefault()); |
|
47 } |
|
48 |
|
49 public Localizer(Locale l) { |
|
50 _locale = l; |
|
51 _resourceBundles = new HashMap(); |
|
52 } |
|
53 |
|
54 public Locale getLocale() { |
|
55 return _locale; |
|
56 } |
|
57 |
|
58 public String localize(Localizable l) { |
|
59 String key = l.getKey(); |
|
60 if (key == Localizable.NOT_LOCALIZABLE) { |
|
61 // this message is not localizable |
|
62 return (String) l.getArguments()[0]; |
|
63 } |
|
64 String bundlename = l.getResourceBundleName(); |
|
65 |
|
66 try { |
|
67 ResourceBundle bundle = |
|
68 (ResourceBundle) _resourceBundles.get(bundlename); |
|
69 |
|
70 if (bundle == null) { |
|
71 try { |
|
72 bundle = ResourceBundle.getBundle(bundlename, _locale); |
|
73 } catch (MissingResourceException e) { |
|
74 // work around a bug in the com.sun.enterprise.deployment.WebBundleArchivist: |
|
75 // all files with an extension different from .class (hence all the .properties files) |
|
76 // get copied to the top level directory instead of being in the package where they |
|
77 // are defined |
|
78 // so, since we can't find the bundle under its proper name, we look for it under |
|
79 // the top-level package |
|
80 |
|
81 int i = bundlename.lastIndexOf('.'); |
|
82 if (i != -1) { |
|
83 String alternateBundleName = |
|
84 bundlename.substring(i + 1); |
|
85 try { |
|
86 bundle = |
|
87 ResourceBundle.getBundle( |
|
88 alternateBundleName, |
|
89 _locale); |
|
90 } catch (MissingResourceException e2) { |
|
91 //try context classloader |
|
92 try { |
|
93 bundle = ResourceBundle.getBundle(bundlename, _locale, Thread.currentThread().getContextClassLoader()); |
|
94 } catch (MissingResourceException e3) { |
|
95 // give up |
|
96 return getDefaultMessage(l); |
|
97 } |
|
98 |
|
99 } |
|
100 } |
|
101 } |
|
102 |
|
103 _resourceBundles.put(bundlename, bundle); |
|
104 } |
|
105 |
|
106 if (bundle == null) { |
|
107 return getDefaultMessage(l); |
|
108 } |
|
109 |
|
110 if (key == null) |
|
111 key = "undefined"; |
|
112 |
|
113 String msg; |
|
114 try { |
|
115 msg = bundle.getString(key); |
|
116 } catch (MissingResourceException e) { |
|
117 // notice that this may throw a MissingResourceException of its own (caught below) |
|
118 msg = bundle.getString("undefined"); |
|
119 } |
|
120 |
|
121 // localize all arguments to the given localizable object |
|
122 Object[] args = l.getArguments(); |
|
123 for (int i = 0; i < args.length; ++i) { |
|
124 if (args[i] instanceof Localizable) |
|
125 args[i] = localize((Localizable) args[i]); |
|
126 } |
|
127 |
|
128 String message = MessageFormat.format(msg, args); |
|
129 return message; |
|
130 |
|
131 } catch (MissingResourceException e) { |
|
132 return getDefaultMessage(l); |
|
133 } |
|
134 |
|
135 } |
|
136 |
|
137 private String getDefaultMessage(Localizable l) { |
|
138 String key = l.getKey(); |
|
139 Object[] args = l.getArguments(); |
|
140 StringBuilder sb = new StringBuilder(); |
|
141 sb.append("[failed to localize] "); |
|
142 sb.append(key); |
|
143 if (args != null) { |
|
144 sb.append('('); |
|
145 for (int i = 0; i < args.length; ++i) { |
|
146 if (i != 0) |
|
147 sb.append(", "); |
|
148 sb.append(String.valueOf(args[i])); |
|
149 } |
|
150 sb.append(')'); |
|
151 } |
|
152 return sb.toString(); |
|
153 } |
|
154 |
|
155 } |