Source for org.jfree.report.modules.gui.swing.common.localization.JLabelLocaleUpdateHandler

   1: /**
   2:  * ========================================
   3:  * JFreeReport : a free Java report library
   4:  * ========================================
   5:  *
   6:  * Project Info:  http://reporting.pentaho.org/
   7:  *
   8:  * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
   9:  *
  10:  * This library is free software; you can redistribute it and/or modify it under the terms
  11:  * of the GNU Lesser General Public License as published by the Free Software Foundation;
  12:  * either version 2.1 of the License, or (at your option) any later version.
  13:  *
  14:  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  15:  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  16:  * See the GNU Lesser General Public License for more details.
  17:  *
  18:  * You should have received a copy of the GNU Lesser General Public License along with this
  19:  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  20:  * Boston, MA 02111-1307, USA.
  21:  *
  22:  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
  23:  * in the United States and other countries.]
  24:  *
  25:  * ------------
  26:  * $Id: JLabelLocaleUpdateHandler.java 3525 2007-10-16 11:43:48Z tmorgner $
  27:  * ------------
  28:  * (C) Copyright 2000-2005, by Object Refinery Limited.
  29:  * (C) Copyright 2005-2007, by Pentaho Corporation.
  30:  */
  31: 
  32: package org.jfree.report.modules.gui.swing.common.localization;
  33: 
  34: import java.awt.IllegalComponentStateException;
  35: import java.beans.PropertyChangeEvent;
  36: import java.beans.PropertyChangeListener;
  37: import java.util.Locale;
  38: import java.util.MissingResourceException;
  39: import java.util.ResourceBundle;
  40: import javax.swing.JLabel;
  41: 
  42: /**
  43:  * Creation-Date: 30.11.2006, 13:04:07
  44:  *
  45:  * @author Thomas Morgner
  46:  */
  47: public class JLabelLocaleUpdateHandler implements PropertyChangeListener
  48: {
  49:   private String resourceBundleName;
  50:   private String resourceKey;
  51:   private JLabel target;
  52: 
  53:   public JLabelLocaleUpdateHandler(final JLabel target,
  54:                                    final String resourceBundleName,
  55:                                    final String resourceKey)
  56:   {
  57:     this.target = target;
  58:     this.resourceBundleName = resourceBundleName;
  59:     this.resourceKey = resourceKey;
  60:   }
  61: 
  62:   /**
  63:    * This method gets called when a bound property is changed.
  64:    *
  65:    * @param evt A PropertyChangeEvent object describing the event source and the
  66:    *            property that has changed.
  67:    */
  68: 
  69:   public void propertyChange(final PropertyChangeEvent evt)
  70:   {
  71:     try
  72:     {
  73:       final Locale locale = target.getLocale();
  74:       final ResourceBundle bundle =
  75:           ResourceBundle.getBundle(resourceBundleName, locale);
  76:       final String string = bundle.getString(resourceKey);
  77:       target.setText(string);
  78:     }
  79:     catch(IllegalComponentStateException ice)
  80:     {
  81:       target.setText("!ERROR: No Parent: " + resourceKey);
  82:     }
  83:     catch(MissingResourceException mre)
  84:     {
  85:       target.setText("!ERROR: MissingResource: " + resourceKey);
  86:     }
  87: 
  88:   }
  89: }