Source for gnu.java.beans.editors.NativeBooleanEditor

   1: /* gnu.java.beans.editors.NativeBooleanEditor
   2:    Copyright (C) 1998, 2002 Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package gnu.java.beans.editors;
  40: 
  41: import java.beans.PropertyEditorSupport;
  42: 
  43: /**
  44:  ** NativeBooleanEditor is a property editor for the
  45:  ** boolean type.<P>
  46:  **
  47:  ** <STRONG>To Do:</STRONG> add support for a checkbox
  48:  ** as the custom editor.
  49:  **
  50:  ** @author John Keiser
  51:  ** @version 1.1.0, 29 Jul 1998
  52:  **/
  53: 
  54: public class NativeBooleanEditor extends PropertyEditorSupport {
  55:         String[] tags = {"true","false"};
  56: 
  57:         /**
  58:          * setAsText for boolean checks for true or false or t or f.
  59:          * "" also means false.
  60:          **/
  61:         public void setAsText(String val) throws IllegalArgumentException {
  62:                 if(val.equalsIgnoreCase("true") || val.equalsIgnoreCase("t")) {
  63:                         setValue(Boolean.TRUE);
  64:                 } else if(val.equalsIgnoreCase("false") || val.equalsIgnoreCase("f") || val.equals("")) {
  65:                         setValue(Boolean.FALSE);
  66:                 } else {
  67:                         throw new IllegalArgumentException("Value must be true, false, t, f or empty.");
  68:                 }
  69:         }
  70: 
  71: 
  72:         /** getAsText for boolean calls Boolean.toString(). **/
  73:         public String getAsText() {
  74:                 return getValue().toString();
  75:         }
  76: }