Source for java.rmi.server.UnicastRemoteObject

   1: /* UnicastRemoteObject.java --
   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., 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 java.rmi.server;
  40: 
  41: import gnu.java.rmi.server.UnicastServerRef;
  42: 
  43: import java.rmi.NoSuchObjectException;
  44: import java.rmi.Remote;
  45: import java.rmi.RemoteException;
  46: 
  47: public class UnicastRemoteObject extends RemoteServer
  48: {
  49: private static final long serialVersionUID = 4974527148936298033L;
  50: //The following serialized fields are from Java API Documentation "Serialized form"
  51: private int port = 0;
  52: private RMIClientSocketFactory csf = null;
  53: private RMIServerSocketFactory ssf = null;
  54: 
  55: protected UnicastRemoteObject() throws RemoteException {
  56:     this(0);
  57: }
  58: 
  59: protected UnicastRemoteObject(int port) throws RemoteException {
  60:     this(port, RMISocketFactory.getSocketFactory(), RMISocketFactory.getSocketFactory());
  61: }
  62: 
  63: protected UnicastRemoteObject(int port, RMIClientSocketFactory csf, RMIServerSocketFactory ssf) throws RemoteException {
  64:   this.port = port;
  65:   //Is RMIXXXSocketFactory serializable
  66:   //this.csf = csf;
  67:   //this.ssf = ssf;
  68:   this.ref = new UnicastServerRef(new ObjID(), port, ssf);
  69:   exportObject(this);
  70: }
  71: 
  72: protected UnicastRemoteObject(RemoteRef ref) throws RemoteException {
  73:     super((UnicastServerRef)ref);
  74:     exportObject(this);
  75: }
  76: 
  77: public Object clone() throws CloneNotSupportedException {
  78:     throw new Error("Not implemented");
  79: }
  80: 
  81: public static RemoteStub exportObject(Remote obj) throws RemoteException {
  82:     UnicastServerRef sref = (UnicastServerRef)((RemoteObject)obj).getRef();
  83:     return (sref.exportObject(obj));
  84: }
  85: 
  86:   public static Remote exportObject(Remote obj, int port) throws RemoteException 
  87:   {
  88:     return exportObject(obj, port, null);
  89:   }
  90:   
  91:   static Remote exportObject(Remote obj, int port, RMIServerSocketFactory ssf) 
  92:     throws RemoteException 
  93:   {
  94:     UnicastServerRef sref = null;
  95:     if (obj instanceof RemoteObject)
  96:       sref = (UnicastServerRef)((RemoteObject)obj).getRef ();
  97:     if(sref == null)
  98:       {
  99:     sref = new UnicastServerRef(new ObjID (), port, ssf);
 100:       }
 101:     Remote stub = sref.exportObject (obj); 
 102:     addStub(obj, stub);
 103:     return stub;
 104:   }
 105: 
 106:   /**
 107:    * FIXME
 108:    */
 109:   public static Remote exportObject(Remote obj, int port, RMIClientSocketFactory csf, 
 110:                     RMIServerSocketFactory ssf) 
 111:     throws RemoteException 
 112:   {
 113:     return (exportObject(obj, port, ssf));
 114:   }
 115: 
 116:   public static boolean unexportObject(Remote obj, boolean force) 
 117:     throws NoSuchObjectException 
 118:   {
 119:     if (obj instanceof RemoteObject)
 120:       {
 121:     deleteStub(obj);
 122:     UnicastServerRef sref = (UnicastServerRef)((RemoteObject)obj).getRef();
 123:     return sref.unexportObject(obj, force);
 124:       }
 125:     else
 126:       {
 127:     //FIX ME
 128:     ;
 129:       }
 130:     return true;
 131:   }
 132: 
 133: }