Source for gnu.java.security.prng.RandomEvent

   1: /* RandomEvent.java -- an event with random data.
   2:    Copyright (C) 2004, 2006 Free Software Foundation, Inc.
   3: 
   4: This file is a 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 of the License, or (at
   9: your option) 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; if not, write to the Free Software
  18: Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
  19: 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.security.prng;
  40: 
  41: import java.util.EventObject;
  42: 
  43: /**
  44:  * A type for entropy accumulators that will be notified of random events.
  45:  */
  46: public class RandomEvent
  47:     extends EventObject
  48: {
  49:   private final byte sourceNumber;
  50: 
  51:   private final byte poolNumber;
  52: 
  53:   private final byte[] data;
  54: 
  55:   public RandomEvent(Object source, byte sourceNumber, byte poolNumber,
  56:                      byte[] data)
  57:   {
  58:     super(source);
  59:     this.sourceNumber = sourceNumber;
  60:     this.poolNumber = poolNumber;
  61:     if (data.length == 0 || data.length > 32)
  62:       throw new IllegalArgumentException(
  63:           "random events take between 1 and 32 bytes of data");
  64:     this.data = (byte[]) data.clone();
  65:   }
  66: 
  67:   public byte getSourceNumber()
  68:   {
  69:     return sourceNumber;
  70:   }
  71: 
  72:   public byte getPoolNumber()
  73:   {
  74:     return poolNumber;
  75:   }
  76: 
  77:   public byte[] getData()
  78:   {
  79:     return data;
  80:   }
  81: }