Source for javax.rmi.CORBA.Stub

   1: /* Stub.java -- 
   2:    Copyright (C) 2002, 2004 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 javax.rmi.CORBA;
  40: 
  41: import gnu.javax.rmi.CORBA.DelegateFactory;
  42: import gnu.javax.rmi.CORBA.GetDelegateInstanceException;
  43: 
  44: import java.io.IOException;
  45: import java.io.ObjectInputStream;
  46: import java.io.ObjectOutputStream;
  47: import java.io.Serializable;
  48: import java.rmi.RemoteException;
  49: 
  50: public abstract class Stub extends ObjectImpl
  51:   implements Serializable
  52: {
  53:   /**
  54:    * For compatability with Sun's JDK 1.4.2 rev. 5
  55:    */
  56:   private static final long serialVersionUID = 1087775603798577179L;
  57: 
  58:   private transient StubDelegate delegate;
  59:                 
  60:   protected Stub()
  61:   {
  62:     try
  63:       {
  64:     delegate = (StubDelegate)DelegateFactory.getInstance("Stub");
  65:       }
  66:     catch(GetDelegateInstanceException e)
  67:       {
  68:     delegate = null;
  69:       }
  70:   }
  71: 
  72:   public int hashCode()
  73:   {
  74:     if(delegate != null)
  75:       return delegate.hashCode(this);
  76:     else
  77:       return 0;
  78:   }
  79: 
  80:   public boolean equals(Object obj)
  81:   {
  82:     if(delegate != null)
  83:       return delegate.equals(this, obj);
  84:     else
  85:       return false;
  86:   }
  87: 
  88:   public String toString()
  89:   {
  90:     String s = null;
  91:     if(delegate != null)
  92:       s = delegate.toString(this);
  93:     if(s == null)
  94:       s = super.toString();
  95:     return s;
  96:   }
  97: 
  98:   // XXX javax.rmi.ORB -> org.omg.CORBA.ORB
  99:   public void connect(javax.rmi.ORB orb)
 100:     throws RemoteException
 101:   {
 102:     if(delegate != null)
 103:       delegate.connect(this, orb);
 104:   }
 105: 
 106:   /**
 107:    * The following two routines are required by serialized form of Java API doc.
 108:    */
 109:   private void readObject(ObjectInputStream stream)
 110:     throws IOException, ClassNotFoundException
 111:   {
 112:     if(delegate != null)
 113:       delegate.readObject(this, stream);
 114:   }
 115: 
 116:   private void writeObject(ObjectOutputStream stream)
 117:     throws IOException
 118:   {
 119:     if(delegate != null)
 120:       delegate.writeObject(this, stream);
 121:   }
 122: 
 123: }