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package org.codehaus.plexus.i18n; |
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import org.codehaus.plexus.logging.AbstractLogEnabled; |
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import org.codehaus.plexus.personality.plexus.lifecycle.phase.Initializable; |
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import org.codehaus.plexus.personality.plexus.lifecycle.phase.InitializationException; |
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import org.codehaus.plexus.util.StringUtils; |
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import java.text.MessageFormat; |
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import java.util.HashMap; |
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import java.util.Locale; |
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import java.util.Map; |
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import java.util.MissingResourceException; |
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import java.util.ResourceBundle; |
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import java.lang.reflect.Field; |
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36 | 3 | public class DefaultI18N |
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extends AbstractLogEnabled |
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implements I18N, Initializable |
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{ |
40 | 1 | private static final Object[] NO_ARGS = new Object[0]; |
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private HashMap bundles; |
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private String[] bundleNames; |
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private String defaultBundleName; |
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48 | 3 | private Locale defaultLocale = Locale.getDefault(); |
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50 | 3 | private String defaultLanguage = Locale.getDefault().getLanguage(); |
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52 | 3 | private String defaultCountry = Locale.getDefault().getCountry(); |
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private boolean devMode; |
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public String getDefaultLanguage() |
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{ |
62 | 0 | return defaultLanguage; |
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} |
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public String getDefaultCountry() |
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{ |
67 | 0 | return defaultCountry; |
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} |
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public String getDefaultBundleName() |
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{ |
72 | 3 | return defaultBundleName; |
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} |
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public String[] getBundleNames() |
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{ |
77 | 0 | return (String[]) bundleNames.clone(); |
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} |
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public ResourceBundle getBundle() |
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{ |
82 | 0 | return getBundle( getDefaultBundleName(), (Locale) null ); |
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} |
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public ResourceBundle getBundle( String bundleName ) |
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{ |
87 | 0 | return getBundle( bundleName, (Locale) null ); |
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} |
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public ResourceBundle getBundle( String bundleName, String languageHeader ) |
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{ |
101 | 0 | return getBundle( bundleName, getLocale( languageHeader ) ); |
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} |
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public ResourceBundle getBundle( String bundleName, Locale locale ) |
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{ |
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117 | 13 | bundleName = ( bundleName == null ? getDefaultBundleName() : bundleName.trim() ); |
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123 | 13 | if ( devMode ) |
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{ |
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try |
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{ |
127 | 0 | Class klass = ResourceBundle.getBundle( bundleName ).getClass().getSuperclass(); |
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129 | 0 | Field field = klass.getDeclaredField( "cacheList" ); |
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131 | 0 | field.setAccessible( true ); |
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137 | 0 | Object cache = field.get( null ); |
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139 | 0 | cache.getClass().getDeclaredMethod( "clear", null ).invoke( cache, null ); |
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141 | 0 | field.setAccessible( false ); |
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} |
143 | 0 | catch ( Exception e ) |
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{ |
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146 | 0 | } |
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} |
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149 | 13 | if ( locale == null ) |
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{ |
151 | 0 | locale = getLocale( null ); |
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} |
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ResourceBundle rb; |
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157 | 13 | HashMap bundlesByLocale = (HashMap) bundles.get( bundleName ); |
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159 | 13 | if ( bundlesByLocale != null ) |
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{ |
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163 | 8 | rb = (ResourceBundle) bundlesByLocale.get( locale ); |
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165 | 8 | if ( rb == null ) |
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{ |
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168 | 8 | rb = cacheBundle( bundleName, locale ); |
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} |
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} |
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else |
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{ |
173 | 5 | rb = cacheBundle( bundleName, locale ); |
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} |
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176 | 13 | return rb; |
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} |
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public Locale getLocale( String header ) |
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{ |
184 | 5 | if ( !StringUtils.isEmpty( header ) ) |
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{ |
186 | 0 | I18NTokenizer tok = new I18NTokenizer( header ); |
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|
188 | 0 | if ( tok.hasNext() ) |
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{ |
190 | 0 | return (Locale) tok.next(); |
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} |
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} |
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195 | 5 | return defaultLocale; |
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} |
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public String getString( String key ) |
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{ |
200 | 0 | return getString( key, null ); |
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} |
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public String getString( String key, Locale locale ) |
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{ |
205 | 1 | return getString( getDefaultBundleName(), locale, key ); |
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} |
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public String getString( String bundleName, Locale locale, String key ) |
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{ |
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String value; |
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216 | 13 | if ( locale == null ) |
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{ |
218 | 2 | locale = getLocale( null ); |
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} |
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222 | 13 | ResourceBundle rb = getBundle( bundleName, locale ); |
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224 | 13 | value = getStringOrNull( rb, key ); |
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227 | 13 | if ( value == null && bundleNames.length > 0 ) |
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{ |
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String name; |
230 | 0 | for ( int i = 0; i < bundleNames.length; i++ ) |
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{ |
232 | 0 | name = bundleNames[i]; |
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234 | 0 | if ( !name.equals( bundleName ) ) |
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{ |
236 | 0 | rb = getBundle( name, locale ); |
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238 | 0 | value = getStringOrNull( rb, key ); |
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240 | 0 | if ( value != null ) |
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{ |
242 | 0 | locale = rb.getLocale(); |
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244 | 0 | break; |
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} |
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} |
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} |
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} |
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250 | 13 | if ( value == null ) |
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{ |
252 | 0 | String loc = locale.toString(); |
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254 | 0 | String mesg = "Noticed missing resource: " + "bundleName=" + bundleName + ", locale=" + loc + ", key=" + key; |
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256 | 0 | getLogger().debug( mesg ); |
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260 | 0 | value = key; |
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} |
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263 | 13 | return value; |
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} |
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public String format( String key, Object arg1 ) |
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{ |
268 | 0 | return format( defaultBundleName, defaultLocale, key, new Object[]{arg1} ); |
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} |
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public String format( String key, Object arg1, Object arg2 ) |
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{ |
273 | 0 | return format( defaultBundleName, defaultLocale, key, new Object[]{arg1, arg2} ); |
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} |
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public String format( String bundleName, |
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Locale locale, |
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String key, |
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Object arg1 ) |
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{ |
284 | 1 | return format( bundleName, locale, key, new Object[]{arg1} ); |
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} |
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public String format( String bundleName, |
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Locale locale, |
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String key, |
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Object arg1, |
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Object arg2 ) |
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{ |
296 | 1 | return format( bundleName, locale, key, new Object[]{arg1, arg2} ); |
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} |
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public String format( String bundleName, Locale locale, String key, Object[] args ) |
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{ |
310 | 3 | if ( locale == null ) |
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{ |
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314 | 3 | locale = getLocale( null ); |
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} |
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317 | 3 | String value = getString( bundleName, locale, key ); |
318 | 3 | if ( args == null ) |
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{ |
320 | 0 | args = NO_ARGS; |
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} |
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327 | 3 | MessageFormat messageFormat = new MessageFormat( "" ); |
328 | 3 | messageFormat.setLocale( locale ); |
329 | 3 | messageFormat.applyPattern( value ); |
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331 | 3 | return messageFormat.format( args ); |
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} |
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public void initialize() |
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throws InitializationException |
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{ |
341 | 3 | bundles = new HashMap(); |
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|
343 | 3 | defaultLocale = new Locale( defaultLanguage, defaultCountry ); |
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|
345 | 3 | initializeBundleNames(); |
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347 | 3 | if ( "true".equals( System.getProperty( "PLEXUS_DEV_MODE" ) ) ) |
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{ |
349 | 0 | devMode = true; |
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} |
351 | 3 | } |
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protected void initializeBundleNames() |
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{ |
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360 | 3 | if ( defaultBundleName != null && defaultBundleName.length() > 0 ) |
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{ |
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363 | 3 | if ( bundleNames == null || bundleNames.length <= 0 ) |
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{ |
365 | 3 | bundleNames = new String[]{defaultBundleName}; |
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} |
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else |
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{ |
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|
370 | 0 | String[] array = new String[bundleNames.length + 1]; |
371 | 0 | array[0] = defaultBundleName; |
372 | 0 | System.arraycopy( bundleNames, 0, array, 1, bundleNames.length ); |
373 | 0 | bundleNames = array; |
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} |
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} |
376 | 3 | if ( bundleNames == null ) |
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{ |
378 | 0 | bundleNames = new String[0]; |
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} |
380 | 3 | } |
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private synchronized ResourceBundle cacheBundle( String bundleName, Locale locale ) |
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throws MissingResourceException |
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{ |
392 | 13 | HashMap bundlesByLocale = (HashMap) bundles.get( bundleName ); |
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|
394 | 13 | ResourceBundle rb = ( bundlesByLocale == null ? null : (ResourceBundle) bundlesByLocale.get( locale ) ); |
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|
396 | 13 | if ( rb == null ) |
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{ |
398 | 13 | bundlesByLocale = ( bundlesByLocale == null ? new HashMap( 3 ) : new HashMap( bundlesByLocale ) ); |
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try |
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{ |
402 | 13 | rb = ResourceBundle.getBundle( bundleName, locale ); |
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} |
404 | 0 | catch ( MissingResourceException e ) |
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{ |
406 | 0 | rb = findBundleByLocale( bundleName, locale, bundlesByLocale ); |
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|
408 | 0 | if ( rb == null ) |
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{ |
410 | 0 | throw (MissingResourceException) e.fillInStackTrace(); |
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} |
412 | 13 | } |
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414 | 13 | if ( rb != null ) |
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{ |
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417 | 13 | bundlesByLocale.put( rb.getLocale(), rb ); |
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419 | 13 | HashMap bundlesByName = new HashMap( bundles ); |
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|
421 | 13 | bundlesByName.put( bundleName, bundlesByLocale ); |
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|
423 | 13 | this.bundles = bundlesByName; |
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} |
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} |
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427 | 13 | return rb; |
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} |
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private ResourceBundle findBundleByLocale( String bundleName, |
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Locale locale, |
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Map bundlesByLocale ) |
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{ |
449 | 0 | ResourceBundle rb = null; |
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|
451 | 0 | if ( !StringUtils.isNotEmpty( locale.getCountry() ) && |
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defaultLanguage.equals( locale.getLanguage() ) ) |
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{ |
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459 | 0 | Locale withDefaultCountry = new Locale( locale.getLanguage(), |
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defaultCountry ); |
461 | 0 | rb = (ResourceBundle) bundlesByLocale.get( withDefaultCountry ); |
462 | 0 | if ( rb == null ) |
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{ |
464 | 0 | rb = getBundleIgnoreException( bundleName, withDefaultCountry ); |
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} |
466 | 0 | } |
467 | 0 | else if ( !StringUtils.isNotEmpty( locale.getLanguage() ) && |
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defaultCountry.equals( locale.getCountry() ) ) |
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{ |
470 | 0 | Locale withDefaultLanguage = new Locale( defaultLanguage, |
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locale.getCountry() ); |
472 | 0 | rb = (ResourceBundle) bundlesByLocale.get( withDefaultLanguage ); |
473 | 0 | if ( rb == null ) |
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{ |
475 | 0 | rb = getBundleIgnoreException( bundleName, withDefaultLanguage ); |
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} |
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} |
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|
479 | 0 | if ( rb == null && !defaultLocale.equals( locale ) ) |
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{ |
481 | 0 | rb = getBundleIgnoreException( bundleName, defaultLocale ); |
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} |
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|
484 | 0 | return rb; |
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} |
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private ResourceBundle getBundleIgnoreException( String bundleName, Locale locale ) |
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{ |
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try |
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{ |
497 | 0 | return ResourceBundle.getBundle( bundleName, locale ); |
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} |
499 | 0 | catch ( MissingResourceException ignored ) |
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{ |
501 | 0 | return null; |
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} |
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} |
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protected final String getStringOrNull( ResourceBundle rb, String key ) |
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{ |
513 | 13 | if ( rb != null ) |
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{ |
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try |
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{ |
517 | 13 | return rb.getString( key ); |
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} |
519 | 0 | catch ( MissingResourceException ignored ) |
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{ |
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} |
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} |
524 | 0 | return null; |
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} |
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} |