Source for gnu.classpath.jdwp.value.ObjectValue

   1: /* ObjectValue.java -- JDWP wrapper class for an Object value
   2:    Copyright (C) 2007 Free Software Foundation
   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: package gnu.classpath.jdwp.value;
  39: 
  40: import gnu.classpath.jdwp.JdwpConstants;
  41: import gnu.classpath.jdwp.VMIdManager;
  42: import gnu.classpath.jdwp.id.ObjectId;
  43: 
  44: import java.io.DataOutputStream;
  45: import java.io.IOException;
  46: 
  47: /**
  48:  * Wrapper for an Object value.
  49:  *
  50:  * @author Kyle Galloway <kgallowa@redhat.com>
  51:  */
  52: public final class ObjectValue
  53:     extends Value
  54: {
  55:   // The Object wrapped by this class
  56:   Object _value;
  57: 
  58:   /**
  59:    * Create a new ObjectValue from an Object
  60:    *
  61:    * @param value the Object to wrap
  62:    */
  63:   public ObjectValue(Object value)
  64:   {
  65:     super(JdwpConstants.Tag.OBJECT);
  66:     _value = value;
  67:   }
  68: 
  69:   /**
  70:    * Get the value held in this Value
  71:    *
  72:    * @return the value represented by this Value object
  73:    */
  74:   public Object getValue()
  75:   {
  76:     return _value;
  77:   }
  78: 
  79:   /**
  80:    * Return an object representing this type
  81:    *
  82:    * @return an Object represntation of this value
  83:    */
  84:   @Override
  85:   protected Object getObject()
  86:   {
  87:     return _value;
  88:   }
  89: 
  90:   /**
  91:    * Write the wrapped object to the given DataOutputStream.
  92:    *
  93:    * @param os the output stream to write to
  94:    */
  95:   @Override
  96:   protected void write(DataOutputStream os)
  97:     throws IOException
  98:   {
  99:     ObjectId oid = VMIdManager.getDefault().getObjectId(_value);
 100:     oid.write(os);
 101:   }
 102: }