Source for gnu.javax.net.ssl.provider.EmptyExchangeKeys

   1: /* EmptyExchangeKeys.java --
   2:    Copyright (C) 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.javax.net.ssl.provider;
  40: 
  41: import java.nio.ByteBuffer;
  42: 
  43: /**
  44:  * @author Casey Marshall (csm@gnu.org)
  45:  */
  46: public class EmptyExchangeKeys
  47:   extends ExchangeKeys
  48: {
  49: 
  50:   public EmptyExchangeKeys()
  51:   {
  52:     super(ByteBuffer.allocate(0));
  53:   }
  54: 
  55:   /* (non-Javadoc)
  56:    * @see gnu.javax.net.ssl.provider.Constructed#length()
  57:    */
  58:   public int length()
  59:   {
  60:     return 0;
  61:   }
  62: 
  63:   public String toString()
  64:   {
  65:     return toString(null);
  66:   }
  67: 
  68:   /* (non-Javadoc)
  69:    * @see gnu.javax.net.ssl.provider.Constructed#toString(java.lang.String)
  70:    */
  71:   public String toString(String prefix)
  72:   {
  73:     String ret = "struct { };";
  74:     if (prefix != null) ret = prefix + ret;
  75:     return ret;
  76:   }
  77: }