1 /* 2 * Copyright (c) 2000, 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.impl.protocol.giopmsgheaders; 27 28 import com.sun.corba.se.spi.ior.ObjectKey; 29 30 import com.sun.corba.se.spi.ior.iiop.GIOPVersion; 31 import com.sun.corba.se.spi.orb.ORB; 32 33 /** 34 * This implements the GIOP 1.2 LocateRequest header. 35 * 36 * @author Ram Jeyaraman 05/14/2000 37 */ 38 39 public final class LocateRequestMessage_1_2 extends Message_1_2 40 implements LocateRequestMessage { 41 42 // Instance variables 43 44 private ORB orb = null; 45 private ObjectKey objectKey = null; 46 private TargetAddress target = null; 47 48 // Constructors 49 50 LocateRequestMessage_1_2(ORB orb) { 51 this.orb = orb; 52 } 53 54 LocateRequestMessage_1_2(ORB orb, int _request_id, TargetAddress _target) { 55 super(Message.GIOPBigMagic, GIOPVersion.V1_2, FLAG_NO_FRAG_BIG_ENDIAN, 56 Message.GIOPLocateRequest, 0); 57 this.orb = orb; 58 request_id = _request_id; 59 target = _target; 60 } 61 62 // Accessor methods (LocateRequestMessage interface) 63 64 public int getRequestId() { 65 return this.request_id; 66 } 67 68 public ObjectKey getObjectKey() { 69 if (this.objectKey == null) { 70 // this will raise a MARSHAL exception upon errors. 71 this.objectKey = MessageBase.extractObjectKey(target, orb); 72 } 73 74 return this.objectKey; 75 } 76 77 // IO methods 78 79 public void read(org.omg.CORBA.portable.InputStream istream) { 80 super.read(istream); 81 this.request_id = istream.read_ulong(); 82 this.target = TargetAddressHelper.read(istream); 83 getObjectKey(); // this does AddressingDisposition check 84 } 85 86 public void write(org.omg.CORBA.portable.OutputStream ostream) { 87 super.write(ostream); 88 ostream.write_ulong (this.request_id); 89 nullCheck(this.target); 90 TargetAddressHelper.write(ostream, this.target); 91 } 92 93 public void callback(MessageHandler handler) 94 throws java.io.IOException 95 { 96 handler.handleInput(this); 97 } 98 } // class LocateRequestMessage_1_2