1 /*
   2  * Copyright (c) 1997, 2005, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.rmi.server;
  27 
  28 import java.io.IOException;
  29 import java.io.ObjectInput;
  30 import java.io.ObjectOutput;
  31 import sun.rmi.transport.LiveRef;
  32 
  33 /**
  34  * NOTE: There is a JDK-internal dependency on the existence of this
  35  * class and its getLiveRef method (inherited from UnicastRef) in the
  36  * implementation of javax.management.remote.rmi.RMIConnector.
  37  **/
  38 public class UnicastRef2 extends UnicastRef {
  39     private static final long serialVersionUID = 1829537514995881838L;
  40 
  41     /**
  42      * Create a new (empty) Unicast remote reference.
  43      */
  44     public UnicastRef2()
  45     {}
  46 
  47     /**
  48      * Create a new Unicast RemoteRef.
  49      */
  50     public UnicastRef2(LiveRef liveRef) {
  51         super(liveRef);
  52     }
  53 
  54     /**
  55      * Returns the class of the ref type to be serialized
  56      */
  57     public String getRefClass(ObjectOutput out)
  58     {
  59         return "UnicastRef2";
  60     }
  61 
  62     /**
  63      * Write out external representation for remote ref.
  64      */
  65     public void writeExternal(ObjectOutput out) throws IOException
  66     {
  67         ref.write(out, true);
  68     }
  69 
  70     /**
  71      * Read in external representation for remote ref.
  72      * @exception ClassNotFoundException If the class for an object
  73      * being restored cannot be found.
  74      */
  75     public void readExternal(ObjectInput in)
  76         throws IOException, ClassNotFoundException
  77     {
  78         ref = LiveRef.read(in, true);
  79     }
  80 }