1 /* 2 * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.jndi.cosnaming; 27 28 import javax.naming.*; 29 import javax.naming.spi.StateFactory; 30 import java.util.Hashtable; 31 32 import org.omg.CORBA.ORB; 33 34 import java.rmi.Remote; 35 import java.rmi.server.ExportException; 36 37 import com.sun.jndi.toolkit.corba.CorbaUtils; // for RMI-IIOP 38 39 /** 40 * StateFactory that turns java.rmi.Remote objects to org.omg.CORBA.Object. 41 * 42 * @author Rosanna Lee 43 */ 44 45 public class RemoteToCorba implements StateFactory { 46 public RemoteToCorba() { 47 } 48 49 /** 50 * Returns the CORBA object for a Remote object. 51 * If input is not a Remote object, or if Remote object uses JRMP, return null. 52 * If the RMI-IIOP library is not available, throw ConfigurationException. 53 * 54 * @param orig The object to turn into a CORBA object. If not Remote, 55 * or if is a JRMP stub or impl, return null. 56 * @param name Ignored 57 * @param ctx The non-null CNCtx whose ORB to use. 58 * @param env Ignored 59 * @return The CORBA object for <tt>orig</tt> or null. 60 * @exception ConfigurationException If the CORBA object cannot be obtained 61 * due to configuration problems, for instance, if RMI-IIOP not available. 62 * @exception NamingException If some other problem prevented a CORBA 63 * object from being obtained from the Remote object. 64 */ 65 public Object getStateToBind(Object orig, Name name, Context ctx, 66 Hashtable<?,?> env) throws NamingException { 67 if (orig instanceof org.omg.CORBA.Object) { 68 // Already a CORBA object, just use it 69 return null; 70 } 71 72 if (orig instanceof Remote) { 73 // Turn remote object into org.omg.CORBA.Object 74 // Returns null if JRMP; let next factory try 75 // CNCtx will eventually throw IllegalArgumentException if 76 // no CORBA object gotten 77 return CorbaUtils.remoteToCorba((Remote)orig, ((CNCtx)ctx)._orb); 78 } 79 return null; // pass and let next state factory try 80 } 81 }