--- old/src/java.corba/share/classes/com/sun/corba/se/impl/javax/rmi/PortableRemoteObject.java 2018-01-30 20:18:03.000000000 -0500
+++ /dev/null 2018-01-30 20:18:04.000000000 -0500
@@ -1,362 +0,0 @@
-/*
- * Copyright (c) 1999, 2004, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code 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
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-/*
- * Licensed Materials - Property of IBM
- * RMI-IIOP v1.0
- * Copyright IBM Corp. 1998 1999 All Rights Reserved
- *
- */
-
-package com.sun.corba.se.impl.javax.rmi;
-
-import java.lang.reflect.Method ;
-
-import javax.rmi.CORBA.Tie;
-import javax.rmi.CORBA.Util;
-
-import java.rmi.RemoteException;
-import java.rmi.NoSuchObjectException;
-import java.rmi.Remote;
-
-import java.util.Properties;
-
-import org.omg.CORBA.ORB;
-import org.omg.CORBA.portable.Delegate;
-import org.omg.CORBA.SystemException;
-
-import java.rmi.server.UnicastRemoteObject;
-import java.rmi.server.RemoteStub;
-import java.rmi.server.ExportException;
-
-import java.net.URL;
-
-import com.sun.corba.se.impl.util.JDKBridge;
-import com.sun.corba.se.impl.util.Utility;
-import com.sun.corba.se.impl.util.RepositoryId;
-
-import com.sun.corba.se.spi.presentation.rmi.StubAdapter;
-
-import java.security.AccessController;
-import com.sun.corba.se.impl.orbutil.GetPropertyAction;
-
-/**
- * Server implementation objects may either inherit from
- * javax.rmi.PortableRemoteObject or they may implement a remote interface
- * and then use the exportObject method to register themselves as a server object.
- * The toStub method takes a server implementation and returns a stub that
- * can be used to access that server object.
- * The connect method makes a Remote object ready for remote communication.
- * The unexportObject method is used to deregister a server object, allowing it to become
- * available for garbage collection.
- * The narrow method takes an object reference or abstract interface type and
- * attempts to narrow it to conform to
- * the given interface. If the operation is successful the result will be an
- * object of the specified type, otherwise an exception will be thrown.
- */
-public class PortableRemoteObject
- implements javax.rmi.CORBA.PortableRemoteObjectDelegate {
-
- /**
- * Makes a server object ready to receive remote calls. Note
- * that subclasses of PortableRemoteObject do not need to call this
- * method, as it is called by the constructor.
- * @param obj the server object to export.
- * @exception RemoteException if export fails.
- */
- public void exportObject(Remote obj)
- throws RemoteException {
-
- if (obj == null) {
- throw new NullPointerException("invalid argument");
- }
-
- // Has this object already been exported to IIOP?
-
- if (Util.getTie(obj) != null) {
-
- // Yes, so this is an error...
-
- throw new ExportException (obj.getClass().getName() + " already exported");
- }
-
- // Can we load a Tie?
-
- Tie theTie = Utility.loadTie(obj);
-
- if (theTie != null) {
-
- // Yes, so export it to IIOP...
-
- Util.registerTarget(theTie,obj);
-
- } else {
-
- // No, so export to JRMP. If this is called twice for the
- // same object, it will throw an ExportException...
-
- UnicastRemoteObject.exportObject(obj);
- }
- }
-
- /**
- * Returns a stub for the given server object.
- * @param obj the server object for which a stub is required. Must either be a subclass
- * of PortableRemoteObject or have been previously the target of a call to
- * {@link #exportObject}.
- * @return the most derived stub for the object.
- * @exception NoSuchObjectException if a stub cannot be located for the given server object.
- */
- public Remote toStub (Remote obj)
- throws NoSuchObjectException
- {
- Remote result = null;
- if (obj == null) {
- throw new NullPointerException("invalid argument");
- }
-
- // If the class is already an IIOP stub then return it.
- if (StubAdapter.isStub( obj )) {
- return obj;
- }
-
- // If the class is already a JRMP stub then return it.
- if (obj instanceof java.rmi.server.RemoteStub) {
- return obj;
- }
-
- // Has it been exported to IIOP?
- Tie theTie = Util.getTie(obj);
-
- if (theTie != null) {
- result = Utility.loadStub(theTie,null,null,true);
- } else {
- if (Utility.loadTie(obj) == null) {
- result = java.rmi.server.RemoteObject.toStub(obj);
- }
- }
-
- if (result == null) {
- throw new NoSuchObjectException("object not exported");
- }
-
- return result;
- }
-
- /**
- * Deregisters a server object from the runtime, allowing the object to become
- * available for garbage collection.
- * @param obj the object to unexport.
- * @exception NoSuchObjectException if the remote object is not
- * currently exported.
- */
- public void unexportObject(Remote obj)
- throws NoSuchObjectException {
-
- if (obj == null) {
- throw new NullPointerException("invalid argument");
- }
-
- if (StubAdapter.isStub(obj) ||
- obj instanceof java.rmi.server.RemoteStub) {
- throw new NoSuchObjectException(
- "Can only unexport a server object.");
- }
-
- Tie theTie = Util.getTie(obj);
- if (theTie != null) {
- Util.unexportObject(obj);
- } else {
- if (Utility.loadTie(obj) == null) {
- UnicastRemoteObject.unexportObject(obj,true);
- } else {
- throw new NoSuchObjectException("Object not exported.");
- }
- }
- }
-
- /**
- * Checks to ensure that an object of a remote or abstract interface type
- * can be cast to a desired type.
- * @param narrowFrom the object to check.
- * @param narrowTo the desired type.
- * @return an object which can be cast to the desired type.
- * @throws ClassCastException if narrowFrom cannot be cast to narrowTo.
- */
- public java.lang.Object narrow ( java.lang.Object narrowFrom,
- java.lang.Class narrowTo) throws ClassCastException
- {
- java.lang.Object result = null;
-
- if (narrowFrom == null)
- return null;
-
- if (narrowTo == null)
- throw new NullPointerException("invalid argument");
-
- try {
- if (narrowTo.isAssignableFrom(narrowFrom.getClass()))
- return narrowFrom;
-
- // Is narrowTo an interface that might be
- // implemented by a servant running on iiop?
- if (narrowTo.isInterface() &&
- narrowTo != java.io.Serializable.class &&
- narrowTo != java.io.Externalizable.class) {
-
- org.omg.CORBA.Object narrowObj
- = (org.omg.CORBA.Object) narrowFrom;
-
- // Create an id from the narrowTo type...
- String id = RepositoryId.createForAnyType(narrowTo);
-
- if (narrowObj._is_a(id)) {
- return Utility.loadStub(narrowObj,narrowTo);
- } else {
- throw new ClassCastException( "Object is not of remote type " +
- narrowTo.getName() ) ;
- }
- } else {
- throw new ClassCastException( "Class " + narrowTo.getName() +
- " is not a valid remote interface" ) ;
- }
- } catch(Exception error) {
- ClassCastException cce = new ClassCastException() ;
- cce.initCause( error ) ;
- throw cce ;
- }
- }
-
- /**
- * Makes a Remote object ready for remote communication. This normally
- * happens implicitly when the object is sent or received as an argument
- * on a remote method call, but in some circumstances it is useful to
- * perform this action by making an explicit call. See the
- * {@link Stub#connect} method for more information.
- * @param target the object to connect.
- * @param source a previously connected object.
- * @throws RemoteException if source is not connected
- * or if target is already connected to a different ORB than
- * source.
- */
- public void connect (Remote target, Remote source)
- throws RemoteException
- {
- if (target == null || source == null) {
- throw new NullPointerException("invalid argument");
- }
-
- ORB orb = null;
- try {
- if (StubAdapter.isStub( source )) {
- orb = StubAdapter.getORB( source ) ;
- } else {
- // Is this a servant that was exported to iiop?
- Tie tie = Util.getTie(source);
- if (tie == null) {
- /* loadTie always succeeds for dynamic RMI-IIOP
- // No, can we get a tie for it? If not,
- // assume that source is a JRMP object...
- if (Utility.loadTie(source) != null) {
- // Yes, so it is an iiop object which
- // has not been exported...
- throw new RemoteException(
- "'source' object not exported");
- }
- */
- } else {
- orb = tie.orb();
- }
- }
- } catch (SystemException e) {
- throw new RemoteException("'source' object not connected", e );
- }
-
- boolean targetIsIIOP = false ;
- Tie targetTie = null;
- if (StubAdapter.isStub(target)) {
- targetIsIIOP = true;
- } else {
- targetTie = Util.getTie(target);
- if (targetTie != null) {
- targetIsIIOP = true;
- } else {
- /* loadTie always succeeds for dynamic RMI-IIOP
- if (Utility.loadTie(target) != null) {
- throw new RemoteException("'target' servant not exported");
- }
- */
- }
- }
-
- if (!targetIsIIOP) {
- // Yes. Do we have an ORB from the source object?
- // If not, we're done - there is nothing to do to
- // connect a JRMP object. If so, it is an error because
- // the caller mixed JRMP and IIOP...
- if (orb != null) {
- throw new RemoteException(
- "'source' object exported to IIOP, 'target' is JRMP");
- }
- } else {
- // The target object is IIOP. Make sure we have a
- // valid ORB from the source object...
- if (orb == null) {
- throw new RemoteException(
- "'source' object is JRMP, 'target' is IIOP");
- }
-
- // And, finally, connect it up...
- try {
- if (targetTie != null) {
- // Is the tie already connected?
- try {
- ORB existingOrb = targetTie.orb();
-
- // Yes. Is it the same orb?
- if (existingOrb == orb) {
-
- // Yes, so nothing to do...
- return;
- } else {
- // No, so this is an error...
- throw new RemoteException(
- "'target' object was already connected");
- }
- } catch (SystemException e) {}
-
- // No, so do it...
- targetTie.orb(orb);
- } else {
- StubAdapter.connect( target, orb ) ;
- }
- } catch (SystemException e) {
-
- // The stub or tie was already connected...
- throw new RemoteException(
- "'target' object was already connected", e );
- }
- }
- }
-}