1 /*
   2  * Copyright (c) 2000, 2013, 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.impl.protocol.giopmsgheaders;
  27 
  28 import org.omg.CORBA.INTERNAL;
  29 import org.omg.CORBA.CompletionStatus;
  30 import org.omg.CORBA.SystemException;
  31 
  32 import com.sun.corba.se.spi.ior.IOR;
  33 import com.sun.corba.se.spi.ior.IORFactories;
  34 
  35 import com.sun.corba.se.spi.orb.ORB;
  36 
  37 import com.sun.corba.se.spi.servicecontext.ServiceContexts;
  38 import com.sun.corba.se.spi.ior.iiop.GIOPVersion;
  39 import com.sun.corba.se.impl.orbutil.ORBUtility;
  40 import com.sun.corba.se.spi.ior.IOR;
  41 import com.sun.corba.se.impl.encoding.CDRInputStream;
  42 
  43 import com.sun.corba.se.spi.logging.CORBALogDomains ;
  44 import com.sun.corba.se.impl.logging.ORBUtilSystemException ;
  45 
  46 /**
  47  * This implements the GIOP 1.0 Reply header.
  48  *
  49  * @author Ram Jeyaraman 05/14/2000
  50  */
  51 
  52 public final class ReplyMessage_1_0 extends Message_1_0
  53         implements ReplyMessage {
  54 
  55     // Instance variables
  56 
  57     private ORB orb = null;
  58     private ORBUtilSystemException wrapper = null ;
  59     private ServiceContexts service_contexts = null;
  60     private int request_id = (int) 0;
  61     private int reply_status = (int) 0;
  62     private IOR ior = null;
  63     private String exClassName = null;
  64     private int minorCode = (int) 0;
  65     private CompletionStatus completionStatus = null;
  66 
  67     // Constructors
  68 
  69     ReplyMessage_1_0(ORB orb) {
  70         this.orb = orb;
  71         this.wrapper = ORBUtilSystemException.get( orb,
  72             CORBALogDomains.RPC_PROTOCOL ) ;
  73     }
  74 
  75     ReplyMessage_1_0(ORB orb, ServiceContexts _service_contexts,
  76             int _request_id, int _reply_status, IOR _ior) {
  77         super(Message.GIOPBigMagic, false, Message.GIOPReply, 0);
  78         this.orb = orb;
  79         this.wrapper = ORBUtilSystemException.get( orb,
  80             CORBALogDomains.RPC_PROTOCOL ) ;
  81         service_contexts = _service_contexts;
  82         request_id = _request_id;
  83         reply_status = _reply_status;
  84         ior = _ior;
  85     }
  86 
  87     // Accessor methods
  88 
  89     public int getRequestId() {
  90         return this.request_id;
  91     }
  92 
  93     public int getReplyStatus() {
  94         return this.reply_status;
  95     }
  96 
  97     public short getAddrDisposition() {
  98         return KeyAddr.value;
  99     }
 100 
 101     public ServiceContexts getServiceContexts() {
 102         return this.service_contexts;
 103     }
 104 
 105     public void setServiceContexts( ServiceContexts sc ) {
 106         this.service_contexts = sc;
 107     }
 108 
 109     public SystemException getSystemException(String message) {
 110         return MessageBase.getSystemException(
 111             exClassName, minorCode, completionStatus, message, wrapper);
 112     }
 113 
 114     public IOR getIOR() {
 115         return this.ior;
 116     }
 117 
 118     public void setIOR( IOR ior ) {
 119         this.ior = ior;
 120     }
 121 
 122     // IO methods
 123 
 124     public void read(org.omg.CORBA.portable.InputStream istream) {
 125         super.read(istream);
 126         this.service_contexts
 127             = new ServiceContexts((org.omg.CORBA_2_3.portable.InputStream) istream);
 128         this.request_id = istream.read_ulong();
 129         this.reply_status = istream.read_long();
 130         isValidReplyStatus(this.reply_status); // raises exception on error
 131 
 132         // The code below reads the reply body in some cases
 133         // SYSTEM_EXCEPTION & LOCATION_FORWARD
 134         if (this.reply_status == SYSTEM_EXCEPTION) {
 135 
 136             String reposId = istream.read_string();
 137             this.exClassName = ORBUtility.classNameOf(reposId);
 138             this.minorCode = istream.read_long();
 139             int status = istream.read_long();
 140 
 141             switch (status) {
 142             case CompletionStatus._COMPLETED_YES:
 143                 this.completionStatus = CompletionStatus.COMPLETED_YES;
 144                 break;
 145             case CompletionStatus._COMPLETED_NO:
 146                 this.completionStatus = CompletionStatus.COMPLETED_NO;
 147                 break;
 148             case CompletionStatus._COMPLETED_MAYBE:
 149                 this.completionStatus = CompletionStatus.COMPLETED_MAYBE;
 150                 break;
 151             default:
 152                 throw wrapper.badCompletionStatusInReply(
 153                     CompletionStatus.COMPLETED_MAYBE, new Integer(status) );
 154             }
 155 
 156         } else if (this.reply_status == USER_EXCEPTION) {
 157             // do nothing. The client stub will read the exception from body.
 158         } else if (this.reply_status == LOCATION_FORWARD) {
 159             CDRInputStream cdr = (CDRInputStream) istream;
 160             this.ior = IORFactories.makeIOR( cdr ) ;
 161         }
 162     }
 163 
 164     // Note, this writes only the header information. SystemException or
 165     // IOR may be written afterwards into the reply mesg body.
 166     public void write(org.omg.CORBA.portable.OutputStream ostream) {
 167         super.write(ostream);
 168         if (this.service_contexts != null) {
 169                 service_contexts.write(
 170                 (org.omg.CORBA_2_3.portable.OutputStream) ostream,
 171                 GIOPVersion.V1_0);
 172             } else {
 173                 ServiceContexts.writeNullServiceContext(
 174                 (org.omg.CORBA_2_3.portable.OutputStream) ostream);
 175         }
 176         ostream.write_ulong(this.request_id);
 177         ostream.write_long(this.reply_status);
 178     }
 179 
 180     // Static methods
 181 
 182     public static void isValidReplyStatus(int replyStatus) {
 183         switch (replyStatus) {
 184         case NO_EXCEPTION :
 185         case USER_EXCEPTION :
 186         case SYSTEM_EXCEPTION :
 187         case LOCATION_FORWARD :
 188             break;
 189         default :
 190             ORBUtilSystemException localWrapper = ORBUtilSystemException.get(
 191                 CORBALogDomains.RPC_PROTOCOL ) ;
 192             throw localWrapper.illegalReplyStatus( CompletionStatus.COMPLETED_MAYBE);
 193         }
 194     }
 195 
 196     public void callback(MessageHandler handler)
 197         throws java.io.IOException
 198     {
 199         handler.handleInput(this);
 200     }
 201 } //