1 /*
   2  * Copyright (c) 1996, 2003, 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.corba.se.spi.protocol;
  27 
  28 import org.omg.CORBA.BAD_PARAM ;
  29 
  30 import com.sun.corba.se.impl.orbutil.ORBUtility ;
  31 
  32 import com.sun.corba.se.spi.ior.IOR ;
  33 
  34 import com.sun.corba.se.spi.orb.ORB ;
  35 
  36 /**
  37  * Thrown to signal an OBJECT_FORWARD or LOCATION_FORWARD
  38  */
  39 public class ForwardException extends RuntimeException {
  40     private ORB orb ;
  41     private org.omg.CORBA.Object obj;
  42     private IOR ior ;
  43 
  44     public ForwardException( ORB orb, IOR ior ) {
  45         super();
  46 
  47         this.orb = orb ;
  48         this.obj = null ;
  49         this.ior = ior ;
  50     }
  51 
  52     public ForwardException( ORB orb, org.omg.CORBA.Object obj) {
  53         super();
  54 
  55         // This check is done early so that no attempt
  56         // may be made to do a location forward to a local
  57         // object.  Doing this lazily would allow
  58         // forwarding to locals in some restricted cases.
  59         if (obj instanceof org.omg.CORBA.LocalObject)
  60             throw new BAD_PARAM() ;
  61 
  62         this.orb = orb ;
  63         this.obj = obj ;
  64         this.ior = null ;
  65     }
  66 
  67     public synchronized org.omg.CORBA.Object getObject()
  68     {
  69         if (obj == null) {
  70             obj = ORBUtility.makeObjectReference( ior ) ;
  71         }
  72 
  73         return obj ;
  74     }
  75 
  76     public synchronized IOR getIOR()
  77     {
  78         if (ior == null) {
  79             ior = ORBUtility.getIOR( obj ) ;
  80         }
  81 
  82         return ior ;
  83     }
  84 }