| /* |
| * Copyright (c) 2000, 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. |
| */ |
| |
| package com.sun.corba.se.impl.protocol.giopmsgheaders; |
| |
| import org.omg.CORBA.Principal; |
| import com.sun.corba.se.spi.servicecontext.ServiceContexts; |
| import com.sun.corba.se.spi.ior.iiop.GIOPVersion; |
| import com.sun.corba.se.spi.orb.ORB; |
| import com.sun.corba.se.spi.ior.ObjectKey; |
| import com.sun.corba.se.impl.encoding.CDRInputStream; |
| import com.sun.corba.se.impl.encoding.CDROutputStream; |
| import com.sun.corba.se.impl.orbutil.ORBConstants; |
| import com.sun.corba.se.impl.encoding.CDRInputStream_1_2; |
| import com.sun.corba.se.impl.encoding.CDROutputStream_1_2; |
| |
| import com.sun.corba.se.spi.logging.CORBALogDomains ; |
| import com.sun.corba.se.impl.logging.ORBUtilSystemException ; |
| |
| /** |
| * This implements the GIOP 1.2 Request header. |
| * |
| * @author Ram Jeyaraman 05/14/2000 |
| */ |
| |
| public final class RequestMessage_1_2 extends Message_1_2 |
| implements RequestMessage { |
| |
| // Instance variables |
| |
| private ORB orb = null; |
| private ORBUtilSystemException wrapper = null ; |
| private byte response_flags = (byte) 0; |
| private byte reserved[] = null; |
| private TargetAddress target = null; |
| private String operation = null; |
| private ServiceContexts service_contexts = null; |
| private ObjectKey objectKey = null; |
| |
| // Constructors |
| |
| RequestMessage_1_2(ORB orb) { |
| this.orb = orb; |
| this.wrapper = ORBUtilSystemException.get( orb, |
| CORBALogDomains.RPC_PROTOCOL ) ; |
| } |
| |
| RequestMessage_1_2(ORB orb, int _request_id, byte _response_flags, |
| byte[] _reserved, TargetAddress _target, |
| String _operation, ServiceContexts _service_contexts) { |
| super(Message.GIOPBigMagic, GIOPVersion.V1_2, FLAG_NO_FRAG_BIG_ENDIAN, |
| Message.GIOPRequest, 0); |
| this.orb = orb; |
| this.wrapper = ORBUtilSystemException.get( orb, |
| CORBALogDomains.RPC_PROTOCOL ) ; |
| request_id = _request_id; |
| response_flags = _response_flags; |
| reserved = _reserved; |
| target = _target; |
| operation = _operation; |
| service_contexts = _service_contexts; |
| } |
| |
| // Accessor methods (RequestMessage interface) |
| |
| public int getRequestId() { |
| return this.request_id; |
| } |
| |
| public boolean isResponseExpected() { |
| /* |
| case 1: LSBit[1] == 1 |
| not a oneway call (DII flag INV_NO_RESPONSE is false) // Ox03 |
| LSBit[0] must be 1. |
| case 2: LSBit[1] == 0 |
| if (LSB[0] == 0) // Ox00 |
| oneway call |
| else if (LSB[0] == 1) // 0x01 |
| oneway call; but server may provide |
| a location forward response or system exception response. |
| */ |
| |
| if ( (this.response_flags & RESPONSE_EXPECTED_BIT) == RESPONSE_EXPECTED_BIT ) { |
| return true; |
| } |
| |
| return false; |
| } |
| |
| public byte[] getReserved() { |
| return this.reserved; |
| } |
| |
| public ObjectKey getObjectKey() { |
| if (this.objectKey == null) { |
| // this will raise a MARSHAL exception upon errors. |
| this.objectKey = MessageBase.extractObjectKey(target, orb); |
| } |
| |
| return this.objectKey; |
| } |
| |
| public String getOperation() { |
| return this.operation; |
| } |
| |
| public Principal getPrincipal() { |
| // REVISIT Should we throw an exception or return null ? |
| return null; |
| } |
| |
| public ServiceContexts getServiceContexts() { |
| return this.service_contexts; |
| } |
| |
| // IO methods |
| |
| public void read(org.omg.CORBA.portable.InputStream istream) { |
| super.read(istream); |
| this.request_id = istream.read_ulong(); |
| this.response_flags = istream.read_octet(); |
| this.reserved = new byte[3]; |
| for (int _o0 = 0;_o0 < (3); ++_o0) { |
| this.reserved[_o0] = istream.read_octet(); |
| } |
| this.target = TargetAddressHelper.read(istream); |
| getObjectKey(); // this does AddressingDisposition check |
| this.operation = istream.read_string(); |
| this.service_contexts |
| = new ServiceContexts((org.omg.CORBA_2_3.portable.InputStream) istream); |
| |
| // CORBA formal 00-11-0 15.4.2.2 GIOP 1.2 body must be |
| // aligned on an 8 octet boundary. |
| // Ensures that the first read operation called from the stub code, |
| // during body deconstruction, would skip the header padding, that was |
| // inserted to ensure that the body was aligned on an 8-octet boundary. |
| ((CDRInputStream)istream).setHeaderPadding(true); |
| |
| } |
| |
| public void write(org.omg.CORBA.portable.OutputStream ostream) { |
| super.write(ostream); |
| ostream.write_ulong(this.request_id); |
| ostream.write_octet(this.response_flags); |
| nullCheck(this.reserved); |
| if (this.reserved.length != (3)) { |
| throw wrapper.badReservedLength( |
| org.omg.CORBA.CompletionStatus.COMPLETED_MAYBE); |
| } |
| for (int _i0 = 0;_i0 < (3); ++_i0) { |
| ostream.write_octet(this.reserved[_i0]); |
| } |
| nullCheck(this.target); |
| TargetAddressHelper.write(ostream, this.target); |
| ostream.write_string(this.operation); |
| if (this.service_contexts != null) { |
| service_contexts.write( |
| (org.omg.CORBA_2_3.portable.OutputStream) ostream, |
| GIOPVersion.V1_2); |
| } else { |
| ServiceContexts.writeNullServiceContext( |
| (org.omg.CORBA_2_3.portable.OutputStream) ostream); |
| } |
| |
| // CORBA formal 00-11-0 15.4.2.2 GIOP 1.2 body must be |
| // aligned on an 8 octet boundary. |
| // Ensures that the first write operation called from the stub code, |
| // during body construction, would insert a header padding, such that |
| // the body is aligned on an 8-octet boundary. |
| ((CDROutputStream)ostream).setHeaderPadding(true); |
| } |
| |
| public void callback(MessageHandler handler) |
| throws java.io.IOException |
| { |
| handler.handleInput(this); |
| } |
| } // class RequestMessage_1_2 |
