Source for gnu.classpath.jdwp.event.ClassUnloadEvent

   1: /* ClassUnloadEvent.java -- event generated when a class is unloaded
   2:  Copyright (C) 2006 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.classpath.jdwp.event;
  40: 
  41: import gnu.classpath.jdwp.JdwpConstants;
  42: import gnu.classpath.jdwp.VMIdManager;
  43: import gnu.classpath.jdwp.util.JdwpString;
  44: 
  45: import java.io.DataOutputStream;
  46: import java.io.IOException;
  47: 
  48: /**
  49:  * "Notification of a class unload in the target VM" -- JDWP 1.4.2
  50:  *
  51:  * @author Kyle Galloway (kgallowa@redhat.com)
  52:  */
  53: public class ClassUnloadEvent
  54:     extends Event
  55: {
  56:   //signature directly from VM
  57:   private String _signature;
  58: 
  59:   /**
  60:    * Constructs a new <code>ClassUnloadEvent</code>
  61:    *
  62:    * @param signature the signature reported from the VM
  63:    */
  64:   public ClassUnloadEvent(String signature)
  65:   {
  66:     super(JdwpConstants.EventKind.CLASS_UNLOAD);
  67:     _signature = signature;
  68:   }
  69: 
  70:   /**
  71:    * Returns a specific filtering parameter for this event. Class is the only
  72:    * valid type.
  73:    *
  74:    * @param type the type of parameter desired
  75:    * @returns the desired parameter or <code>null</code>
  76:    */
  77:   public Object getParameter(int type)
  78:   {
  79: 
  80:     return null;
  81:   }
  82: 
  83:   /**
  84:    * Writes the event to the given stream
  85:    *
  86:    * @param outStream the output stream to write the event to
  87:    */
  88:   protected void _writeData(DataOutputStream outStream)
  89:     throws IOException
  90:   {
  91:     VMIdManager idm = VMIdManager.getDefault();
  92: 
  93:     JdwpString.writeString(outStream, _signature);
  94:   }
  95: 
  96: }