Initial revision

From-SVN: r102074

libjava/classpath/javax/rmi/PortableRemoteObject.java

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+/* PortableRemoteObject.java -- 
+   Copyright (C) 2002, 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.rmi;
+
+import gnu.javax.rmi.CORBA.DelegateFactory;
+import gnu.javax.rmi.CORBA.GetDelegateInstanceException;
+
+import java.rmi.NoSuchObjectException;
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+
+import javax.rmi.CORBA.PortableRemoteObjectDelegate;
+
+public class PortableRemoteObject
+  implements Remote /* why doc doesn't say should implement Remote */
+{
+
+  private static PortableRemoteObjectDelegate delegate;
+  static
+  {
+    try
+      {
+	delegate = (PortableRemoteObjectDelegate)DelegateFactory.getInstance
+	  ("PortableRemoteObject");
+      }
+    catch(GetDelegateInstanceException e)
+      {
+	e.printStackTrace();
+	delegate = null;
+      }
+  }
+
+  protected PortableRemoteObject()
+    throws RemoteException
+  {
+    if(delegate != null)
+      exportObject((Remote)this);
+  }
+
+  public static void connect(Remote target, Remote source)
+    throws RemoteException
+  {
+    if(delegate != null)
+      delegate.connect(target, source);
+  }
+    
+  public static void exportObject(Remote obj)
+    throws RemoteException
+  {
+    if(delegate != null)
+      delegate.exportObject(obj);
+  }
+
+  public static Object narrow(Object narrowFrom, Class narrowTo)
+    throws ClassCastException
+  {
+    if(delegate != null)
+      return delegate.narrow(narrowFrom, narrowTo);
+    else
+      return null;
+  }
+
+  public static Remote toStub(Remote obj)
+    throws NoSuchObjectException
+  {
+    if(delegate != null)
+      return delegate.toStub(obj);
+    else
+      return null;
+  }
+
+  public static void unexportObject(Remote obj)
+    throws NoSuchObjectException
+  {
+    if(delegate != null)
+      delegate.unexportObject(obj);
+  }
+  
+}