- /*
- * @(#)RequestMessage_1_2.java 1.18 04/06/21
- *
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
- 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
- * @version 1.0
- */
-
- 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