libjava/java/rmi/server/UnicastRemoteObject.java

   1 /*
   2   Copyright (c) 1996, 1997, 1998, 1999, 2002, 2003 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., 59 Temple Place, Suite 330, Boston, MA
  19 02111-1307 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 java.rmi.server;
  39
  40 import java.rmi.RemoteException;
  41 import java.rmi.Remote;
  42 import java.rmi.server.RemoteRef;
  43 import java.rmi.NoSuchObjectException;
  44 import gnu.java.rmi.server.UnicastServerRef;
  45 import gnu.java.rmi.server.UnicastServer;
  46
  47 public class UnicastRemoteObject
  48         extends RemoteServer {
  49
  50 private static final long serialVersionUID = 4974527148936298033L;
  51 //The following serialized fields are from Java API Documentation "Serialized form"
  52 private int port = 0;
  53 private RMIClientSocketFactory csf = null;
  54 private RMIServerSocketFactory ssf = null;
  55
  56 protected UnicastRemoteObject() throws RemoteException {
  57         this(0);
  58 }
  59
  60 protected UnicastRemoteObject(int port) throws RemoteException {
  61         this(port, RMISocketFactory.getSocketFactory(), RMISocketFactory.getSocketFactory());
  62 }
  63
  64 protected UnicastRemoteObject(int port, RMIClientSocketFactory csf, RMIServerSocketFactory ssf) throws RemoteException {
  65   this.port = port;
  66   //Is RMIXXXSocketFactory serializable
  67   //this.csf = csf;
  68   //this.ssf = ssf;
  69   this.ref = new UnicastServerRef(new ObjID(), port, ssf);
  70   exportObject(this);
  71 }
  72
  73 protected UnicastRemoteObject(RemoteRef ref) throws RemoteException {
  74         super((UnicastServerRef)ref);
  75         exportObject(this);
  76 }
  77
  78 public Object clone() throws CloneNotSupportedException {
  79         throw new Error("Not implemented");
  80 }
  81
  82 public static RemoteStub exportObject(Remote obj) throws RemoteException {
  83         UnicastServerRef sref = (UnicastServerRef)((RemoteObject)obj).getRef();
  84         return (sref.exportObject(obj));
  85 }
  86
  87   public static Remote exportObject(Remote obj, int port) throws RemoteException
  88   {
  89     return exportObject(obj, port, null);
  90   }
  91
  92   protected static Remote exportObject(Remote obj, int port, RMIServerSocketFactory ssf)
  93     throws RemoteException
  94   {
  95     UnicastServerRef sref = null;
  96     if (obj instanceof RemoteObject)
  97       sref = (UnicastServerRef)((RemoteObject)obj).getRef ();
  98     if(sref == null)
  99       {
 100         sref = new UnicastServerRef(new ObjID (), port, ssf);
 101       }
 102     return (sref.exportObject (obj));
 103   }
 104
 105   /**
 106    * FIX ME
 107    */
 108   public static Remote exportObject(Remote obj, int port, RMIClientSocketFactory csf,
 109                                     RMIServerSocketFactory ssf)
 110     throws RemoteException
 111   {
 112     return (exportObject(obj, port, ssf));
 113   }
 114
 115   public static boolean unexportObject(Remote obj, boolean force)
 116     throws NoSuchObjectException
 117   {
 118     if (obj instanceof RemoteObject)
 119       {
 120         UnicastServerRef sref = (UnicastServerRef)((RemoteObject)obj).getRef();
 121         return sref.unexportObject(obj, force);
 122       }
 123     else
 124       //FIX ME
 125       ;
 126     return true;
 127   }
 128
 129 }