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1
28
29
30 package com.caucho.widget;
31
32 import com.caucho.util.L10N;
33
34 import java.util.HashMap  ;
35 import java.util.Locale ;
36 import java.util.Map ;
37 import java.util.logging.Logger ;
38
39
42 public class LocaleString
43 {
44 private static L10N L = new L10N( LocaleString.class );
45
46 static protected final Logger log =
47 Logger.getLogger( LocaleString.class.getName() );
48
49 private static ThreadLocal _threadLocale = new ThreadLocal <Locale >();
50
51 private Locale _locale;
52
53 private String _text = null;
55 private String _anyText = null;
57 private HashMap <Locale ,String > _textMap;
59
60
64 public static void setThreadLocale( Locale locale )
65 {
66 _threadLocale.set( locale );
67 }
68
69 public static LocaleString add( LocaleString localeString,
70 LocaleString value )
71 {
72 if ( localeString == null )
73 localeString = new LocaleString();
74
75 localeString.add( value );
76
77 return localeString;
78 }
79
80 public static LocaleString add( LocaleString localeString,
81 String value )
82 {
83 if ( localeString == null )
84 localeString = new LocaleString();
85
86 localeString.addText( value );
87
88 return localeString;
89 }
90
91 public static LocaleString add( LocaleString localeString,
92 Locale locale, String value )
93 {
94 if ( localeString == null )
95 localeString = new LocaleString();
96
97 localeString.put( locale, value );
98
99 return localeString;
100 }
101
102 public static String get( LocaleString localeString, Locale locale )
103 {
104 return localeString == null ? null : localeString.get( locale );
105 }
106
107 public static String get( LocaleString localeString )
108 {
109 return localeString == null ? null : localeString.getValue();
110 }
111
112 public LocaleString()
113 {
114 setLocale( null );
115 }
116
117
120 public LocaleString( Locale locale )
121 {
122 setLocale( locale );
123 }
124
125
128 public LocaleString( String text )
129 {
130 setLocale( null );
131 addText( text );
132 }
133
134
137 public LocaleString( Locale locale, String text )
138 {
139 setLocale( locale );
140 addText( text );
141 }
142
143
147 public void setLocale( Locale locale )
148 {
149 if ( locale == null ) {
150 String lang = System.getProperty( "user.language" );
151 String country = System.getProperty( "user.region" );
152
153 if ( lang != null && country != null )
154 locale = new Locale ( lang, country );
155 else if ( lang != null )
156 locale = new Locale ( lang );
157 else
158 locale = Locale.ENGLISH;
159 }
160
161 _locale = locale;
162 }
163
164 public Locale getLocale()
165 {
166 return _locale;
167 }
168
169
173 public void setLang( String lang )
174 {
175 int index = lang.indexOf('-');
176
177 if (index > -1 ) {
178 String language = lang.substring( 0, index );
179 String country = lang.substring( index + 1 );
180 setLocale( new Locale ( language, country ) );
181 }
182 else
183 setLocale( new Locale ( lang ) );
184 }
185
186 public void addText( String text )
187 {
188 _text = text;
189 }
190
191 public void put( Locale locale, String text )
192 {
193 if ( locale == null )
194 _text = text;
195 else {
196 if ( locale.equals( _locale ) )
197 _text = text;
198 else {
199 if ( _textMap == null ) {
200 _textMap = new HashMap <Locale ,String >();
201 _anyText = text;
202 }
203
204 _textMap.put( locale, text );
205 }
206 }
207 }
208
209
219 public String getValue()
220 {
221 Locale locale = (Locale ) _threadLocale.get();
222
223 return get( locale );
224 }
225
226
236 public String get( Locale locale )
237 {
238 if ( locale == null ) {
239 if ( _text != null )
240 return _text;
241 else if ( _anyText != null )
242 return _anyText;
243 else
244 return null;
245 }
246
247 String text = null;
248
249 if ( _text != null && locale.equals( _locale ) )
250 text = _text;
251 else if ( _textMap != null )
252 text = _textMap.get( locale );
253
254 if ( text != null )
255 return text;
256
257 Locale reducedLocale = reduceLocale( locale );
258
259 return get( reducedLocale );
260 }
261
262
267 public void add( LocaleString localeString )
268 {
269 if ( localeString._text != null )
270 put( localeString._locale, localeString._text );
271
272 if ( localeString._textMap != null ) {
273 for ( Map.Entry <Locale ,String > entry : localeString._textMap.entrySet() )
274 {
275 put( entry.getKey(), entry.getValue() );
276 }
277 }
278 }
279
280 private static Locale reduceLocale( Locale locale )
281 {
282 String language = locale.getLanguage();
283 String country = locale.getCountry();
284 String variant = locale.getVariant();
285
286 if ( variant.length() > 0 )
287 return new Locale ( language, country );
288 else if ( country.length() > 0 )
289 return new Locale ( language );
290 else
291 return null;
292 }
293
294 public String toString()
295 {
296 return getValue();
297 }
298 }
299 |
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