GNU Classpath (0.17) | ||
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1: /* PortableRemoteObject.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; 40: 41: import gnu.javax.rmi.CORBA.DelegateFactory; 42: import gnu.javax.rmi.CORBA.GetDelegateInstanceException; 43: 44: import java.rmi.NoSuchObjectException; 45: import java.rmi.Remote; 46: import java.rmi.RemoteException; 47: 48: import javax.rmi.CORBA.PortableRemoteObjectDelegate; 49: 50: public class PortableRemoteObject 51: implements Remote /* why doc doesn't say should implement Remote */ 52: { 53: 54: private static PortableRemoteObjectDelegate delegate; 55: static 56: { 57: try 58: { 59: delegate = (PortableRemoteObjectDelegate)DelegateFactory.getInstance 60: ("PortableRemoteObject"); 61: } 62: catch(GetDelegateInstanceException e) 63: { 64: e.printStackTrace(); 65: delegate = null; 66: } 67: } 68: 69: protected PortableRemoteObject() 70: throws RemoteException 71: { 72: if(delegate != null) 73: exportObject((Remote)this); 74: } 75: 76: public static void connect(Remote target, Remote source) 77: throws RemoteException 78: { 79: if(delegate != null) 80: delegate.connect(target, source); 81: } 82: 83: public static void exportObject(Remote obj) 84: throws RemoteException 85: { 86: if(delegate != null) 87: delegate.exportObject(obj); 88: } 89: 90: public static Object narrow(Object narrowFrom, Class narrowTo) 91: throws ClassCastException 92: { 93: if(delegate != null) 94: return delegate.narrow(narrowFrom, narrowTo); 95: else 96: return null; 97: } 98: 99: public static Remote toStub(Remote obj) 100: throws NoSuchObjectException 101: { 102: if(delegate != null) 103: return delegate.toStub(obj); 104: else 105: return null; 106: } 107: 108: public static void unexportObject(Remote obj) 109: throws NoSuchObjectException 110: { 111: if(delegate != null) 112: delegate.unexportObject(obj); 113: } 114: 115: }
GNU Classpath (0.17) |