| /* Messages.java -- I18N related helper class |
| Copyright (C) 2006 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.classpath.tools.keytool; |
| |
| import gnu.classpath.Configuration; |
| |
| import java.text.MessageFormat; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.MissingResourceException; |
| import java.util.ResourceBundle; |
| import java.util.logging.Logger; |
| |
| /** |
| * An initially generated Eclipse helper class to ease the use of localized |
| * messages. |
| * <p> |
| * Enriched to handle localized message formats. |
| */ |
| class Messages |
| { |
| private static final Logger log = Logger.getLogger(Messages.class.getName()); |
| private static final String BUNDLE_NAME = "gnu.classpath.tools.keytool.messages"; |
| private static final ResourceBundle RESOURCE_BUNDLE = ResourceBundle.getBundle(BUNDLE_NAME); |
| private static final Map CACHED_FORMATS = new HashMap(5); |
| |
| private Messages() |
| { |
| super(); |
| } |
| |
| public static String getString(String key) |
| { |
| try |
| { |
| return RESOURCE_BUNDLE.getString(key); |
| } |
| catch (MissingResourceException e) |
| { |
| return constructMessage(key, null); |
| } |
| } |
| |
| public static String getFormattedString(String key, Object args) |
| { |
| MessageFormat mf = (MessageFormat) CACHED_FORMATS.get(key); |
| if (mf == null) |
| { |
| String formatString = getString(key); |
| if (formatString.startsWith("!")) |
| return constructMessage(key, args); |
| |
| mf = new MessageFormat(formatString); |
| CACHED_FORMATS.put(key, mf); |
| } |
| |
| // if the argument is not an array, then build one consisting of the |
| // sole argument before passing it to the format() method |
| try |
| { |
| if (args instanceof Object[]) |
| return mf.format(args); |
| |
| return mf.format(new Object[] { args }); |
| } |
| catch (IllegalArgumentException x) |
| { |
| if (Configuration.DEBUG) |
| log.fine("Exception while rendering a message format keyed by [" |
| + key + "]: " + mf.toPattern()); |
| return constructMessage(mf.toPattern(), args); |
| } |
| } |
| |
| private static final String constructMessage(String m, Object args) |
| { |
| if (args == null) |
| return '!' + m + '!'; |
| |
| return '!' + m + '!' + String.valueOf(args) + '!'; |
| } |
| } |