com.sun.corba.se.spi.protocol.CorbaMessageMediator Java Examples

public boolean read()
{
    try {
        if (orb.transportDebugFlag) {
            dprint(".read->: " + this);
        }
        CorbaMessageMediator messageMediator = readBits();
        if (messageMediator != null) {
            // Null can happen when client closes stream
            // causing purgecalls.
            return dispatch(messageMediator);
        }
        return true;
    } finally {
        if (orb.transportDebugFlag) {
            dprint(".read<-: " + this);
        }
    }
}
 

public CDROutputObject(ORB orb,
                       MessageMediator messageMediator,
                       Message header,
                       byte streamFormatVersion,
                       int strategy)
{
    this(
        orb,
        ((CorbaMessageMediator)messageMediator).getGIOPVersion(),
        header,
        BufferManagerFactory.
            newBufferManagerWrite(strategy,
                                  header.getEncodingVersion(),
                                  orb),
        streamFormatVersion,
        (CorbaMessageMediator)messageMediator);
}
 

protected void runInterceptors(CorbaMessageMediator messageMediator,
                               ReplyMessage reply)
{
    if( messageMediator.executePIInResponseConstructor() ) {
        // Invoke server request ending interception points (send_*):
        // Note: this may end up with a SystemException or an internal
        // Runtime ForwardRequest
        ((ORB)messageMediator.getBroker()).getPIHandler().
            invokeServerPIEndingPoint( reply );

        // Note this will be executed even if a ForwardRequest or
        // SystemException is thrown by a Portable Interceptors ending
        // point since we end up in this constructor again anyway.
        ((ORB)messageMediator.getBroker()).getPIHandler().
            cleanupServerPIRequest();

        // See createSystemExceptionResponse for why this is necesary.
        messageMediator.setExecutePIInResponseConstructor(false);
    }
}
 

public CDROutputObject(ORB orb, CorbaMessageMediator mediator,
                       GIOPVersion giopVersion,
                       CorbaConnection connection, Message header,
                       byte streamFormatVersion)
{
    this(
        orb,
        giopVersion,
        header,
        BufferManagerFactory.
        newBufferManagerWrite(giopVersion,
                              header.getEncodingVersion(),
                              orb),
        streamFormatVersion,
        mediator);
    this.connection = connection ;
}
 

public CDROutputObject(ORB orb, CorbaMessageMediator mediator,
                       GIOPVersion giopVersion,
                       CorbaConnection connection, Message header,
                       byte streamFormatVersion)
{
    this(
        orb,
        giopVersion,
        header,
        BufferManagerFactory.
        newBufferManagerWrite(giopVersion,
                              header.getEncodingVersion(),
                              orb),
        streamFormatVersion,
        mediator);
    this.connection = connection ;
}
 

public CDROutputObject(ORB orb,
                       MessageMediator messageMediator,
                       Message header,
                       byte streamFormatVersion,
                       int strategy)
{
    this(
        orb,
        ((CorbaMessageMediator)messageMediator).getGIOPVersion(),
        header,
        BufferManagerFactory.
            newBufferManagerWrite(strategy,
                                  header.getEncodingVersion(),
                                  orb),
        streamFormatVersion,
        (CorbaMessageMediator)messageMediator);
}
 

public void initializeServerPIInfo( CorbaMessageMediator request,
    ObjectAdapter oa, byte[] objectId, ObjectKeyTemplate oktemp )
{
    if( !hasServerInterceptors ) return;

    RequestInfoStack infoStack =
        (RequestInfoStack)threadLocalServerRequestInfoStack.get();
    ServerRequestInfoImpl info = new ServerRequestInfoImpl( orb );
    infoStack.push( info );
    printPush();

    // Notify request object that once response is constructed, make
    // sure we execute ending points.
    request.setExecutePIInResponseConstructor( true );

    info.setInfo( request, oa, objectId, oktemp );
}
 

public MessageMediator createMessageMediator(Broker broker,
                                             ContactInfo contactInfo,
                                             Connection connection,
                                             String methodName,
                                             boolean isOneWay)
{
    // REVISIT: Would like version, ior, requestid, etc., decisions
    // to be in client subcontract.  Cannot pass these to this
    // factory method because it breaks generic abstraction.
    // Maybe set methods on mediator called from subcontract
    // after creation?
    CorbaMessageMediator messageMediator =
        new CorbaMessageMediatorImpl(
            (ORB) broker,
            contactInfo,
            connection,
            GIOPVersion.chooseRequestVersion( (ORB)broker,
                 effectiveTargetIOR),
            effectiveTargetIOR,
            ((CorbaConnection)connection).getNextRequestId(),
            getAddressingDisposition(),
            methodName,
            isOneWay);

    return messageMediator;
}
 

public MessageMediator createMessageMediator(Broker broker,
                                             ContactInfo contactInfo,
                                             Connection connection,
                                             String methodName,
                                             boolean isOneWay)
{
    if (connection != null) {
        /// XXX LOGGING
        throw new RuntimeException("connection is not null");
    }

    CorbaMessageMediator messageMediator =
        new CorbaMessageMediatorImpl(
            (ORB) broker,
            contactInfo,
            null, // Connection;
            GIOPVersion.chooseRequestVersion( (ORB)broker,
                 effectiveTargetIOR),
            effectiveTargetIOR,
            requestId++, // Fake RequestId
            getAddressingDisposition(),
            methodName,
            isOneWay);

    return messageMediator;
}
 

private CDROutputObject(
    ORB orb, GIOPVersion giopVersion, Message header,
    BufferManagerWrite manager, byte streamFormatVersion,
    CorbaMessageMediator mediator)
{
    super(orb, giopVersion, header.getEncodingVersion(),
          false, manager, streamFormatVersion,
          ((mediator != null && mediator.getConnection() != null) ?
           ((CorbaConnection)mediator.getConnection()).
                 shouldUseDirectByteBuffers() : false));

    this.header = header;
    this.orb = orb;
    this.wrapper = ORBUtilSystemException.get( orb, CORBALogDomains.RPC_ENCODING ) ;
    this.omgWrapper = OMGSystemException.get( orb, CORBALogDomains.RPC_ENCODING ) ;

    getBufferManager().setOutputObject(this);
    this.corbaMessageMediator = mediator;
}
 

public CDROutputObject(ORB orb,
                       MessageMediator messageMediator,
                       Message header,
                       byte streamFormatVersion,
                       int strategy)
{
    this(
        orb,
        ((CorbaMessageMediator)messageMediator).getGIOPVersion(),
        header,
        BufferManagerFactory.
            newBufferManagerWrite(strategy,
                                  header.getEncodingVersion(),
                                  orb),
        streamFormatVersion,
        (CorbaMessageMediator)messageMediator);
}
 

public CDROutputObject(ORB orb, CorbaMessageMediator mediator,
                       GIOPVersion giopVersion,
                       CorbaConnection connection, Message header,
                       byte streamFormatVersion)
{
    this(
        orb,
        giopVersion,
        header,
        BufferManagerFactory.
        newBufferManagerWrite(giopVersion,
                              header.getEncodingVersion(),
                              orb),
        streamFormatVersion,
        mediator);
    this.connection = connection ;
}
 

public static CDROutputObject newCDROutputObject(
        final ORB orb, final CorbaMessageMediator mediator,
        final GIOPVersion giopVersion, final CorbaConnection connection,
        final Message header, final byte streamFormatVersion) {
    return AccessController.doPrivileged(
        new PrivilegedAction<CDROutputObject>() {
            @Override
            public CDROutputObject run() {
                return new CDROutputObject(orb, mediator,
                    giopVersion, connection, header, streamFormatVersion);
            }
    });
}
 

public MessageMediator finishCreatingMessageMediator(Broker broker,
                           Connection conn, MessageMediator messageMediator)
{
    ORB orb = (ORB) broker;
    CorbaConnection connection = (CorbaConnection) conn;
    CorbaMessageMediator corbaMessageMediator =
                  (CorbaMessageMediator)messageMediator;

    if (orb.transportDebugFlag) {
        dprint(
        ".finishCreatingMessageMediator: waiting for message body on connection: "
            + connection);
    }

    Message msg = corbaMessageMediator.getDispatchHeader();
    msg.setByteBuffer(corbaMessageMediator.getDispatchBuffer());

    // read giop body only
    msg = MessageBase.readGIOPBody(orb, connection, msg);

    ByteBuffer byteBuffer = msg.getByteBuffer();
    msg.setByteBuffer(null);
    corbaMessageMediator.setDispatchHeader(msg);
    corbaMessageMediator.setDispatchBuffer(byteBuffer);

    return corbaMessageMediator;
}
 

protected CorbaMessageMediator handleDynamicResult(
    ServerRequestImpl sreq,
    CorbaMessageMediator req)
{
    try {
        if (orb.subcontractDebugFlag) {
            dprint(".handleDynamicResult->: " + opAndId(req));
        }

        CorbaMessageMediator response = null ;

        // Check if ServerRequestImpl.result() has been called
        Any excany = sreq.checkResultCalled();

        if (excany == null) { // normal return
            if (orb.subcontractDebugFlag) {
                dprint(".handleDynamicResult: " + opAndId(req)
                       + ": handling normal result");
            }

            // Marshal out/inout/return parameters into the ReplyMessage
            response = sendingReply(req);
            OutputStream os = (OutputStream) response.getOutputObject();
            sreq.marshalReplyParams(os);
        }  else {
            if (orb.subcontractDebugFlag) {
                dprint(".handleDynamicResult: " + opAndId(req)
                       + ": handling error");
            }

            response = sendingReply(req, excany);
        }

        return response ;
    } finally {
        if (orb.subcontractDebugFlag) {
            dprint(".handleDynamicResult<-: " + opAndId(req));
        }
    }
}
 

public MessageMediator finishCreatingMessageMediator(Broker broker,
                           Connection conn, MessageMediator messageMediator)
{
    ORB orb = (ORB) broker;
    CorbaConnection connection = (CorbaConnection) conn;
    CorbaMessageMediator corbaMessageMediator =
                  (CorbaMessageMediator)messageMediator;

    if (orb.transportDebugFlag) {
        dprint(
        ".finishCreatingMessageMediator: waiting for message body on connection: "
            + connection);
    }

    Message msg = corbaMessageMediator.getDispatchHeader();
    msg.setByteBuffer(corbaMessageMediator.getDispatchBuffer());

    // read giop body only
    msg = MessageBase.readGIOPBody(orb, connection, msg);

    ByteBuffer byteBuffer = msg.getByteBuffer();
    msg.setByteBuffer(null);
    corbaMessageMediator.setDispatchHeader(msg);
    corbaMessageMediator.setDispatchBuffer(byteBuffer);

    return corbaMessageMediator;
}
 

public OutputObject createOutputObject(Broker broker,
                                       MessageMediator messageMediator)
{
    CorbaMessageMediator corbaMessageMediator = (CorbaMessageMediator)
        messageMediator;
    return sun.corba.OutputStreamFactory.newCDROutputObject((ORB) broker,
                   corbaMessageMediator, corbaMessageMediator.getReplyHeader(),
                   corbaMessageMediator.getStreamFormatVersion());
}
 

public MessageMediator createMessageMediator(Broker broker,Connection conn)
{
    ORB orb = (ORB) broker;
    CorbaConnection connection = (CorbaConnection) conn;

    if (orb.transportDebugFlag) {
        if (connection.shouldReadGiopHeaderOnly()) {
            dprint(
            ".createMessageMediator: waiting for message header on connection: "
            + connection);
        } else {
            dprint(
            ".createMessageMediator: waiting for message on connection: "
            + connection);
        }
    }

    Message msg = null;

    if (connection.shouldReadGiopHeaderOnly()) {
        // read giop header only
        msg = MessageBase.readGIOPHeader(orb, connection);
    } else {
        // read entire giop message
        msg = MessageBase.readGIOPMessage(orb, connection);
    }

    ByteBuffer byteBuffer = msg.getByteBuffer();
    msg.setByteBuffer(null);
    CorbaMessageMediator messageMediator =
        new CorbaMessageMediatorImpl(orb, connection, msg, byteBuffer);

    return messageMediator;
}
 

public OutputObject createOutputObject(MessageMediator messageMediator)
{
    CorbaMessageMediator corbaMessageMediator = (CorbaMessageMediator)
        messageMediator;
    // NOTE: GROW.
    OutputObject outputObject =
        sun.corba.OutputStreamFactory.newCDROutputObject(orb, messageMediator,
                            corbaMessageMediator.getRequestHeader(),
                            corbaMessageMediator.getStreamFormatVersion(),
                            BufferManagerFactory.GROW);
    messageMediator.setOutputObject(outputObject);
    return outputObject;
}
 

private void dispatchError(CorbaMessageMediator messageMediator,
                           String msg, Throwable t)
{
    if (orb.subcontractDebugFlag) {
        dprint(".handleRequest: " + opAndId(messageMediator)
               + ": !!ERROR!!: "
               + msg,
               t);
    }
    // REVISIT - this makes hcks sendTwoObjects fail
    // messageMediator.getConnection().close();
}
 

public CorbaMessageMediator invoke(java.lang.Object servant,
                                   CorbaMessageMediator request,
                                   byte[] objectId,
                                   ObjectAdapter objectAdapter)
{
    boolean result = (servant == null) || (servant instanceof NullServant) ;
    CorbaMessageMediator response =
        request.getProtocolHandler().createResponse(request, null);
    ((OutputStream)response.getOutputObject()).write_boolean(result);
    return response;
}
 

public OutputObject createOutputObject(MessageMediator messageMediator)
{
    CorbaMessageMediator corbaMessageMediator = (CorbaMessageMediator)
        messageMediator;

    OutputObject outputObject =
        sun.corba.OutputStreamFactory.newCDROutputObject(orb, messageMediator,
                            corbaMessageMediator.getRequestHeader(),
                            corbaMessageMediator.getStreamFormatVersion());

    messageMediator.setOutputObject(outputObject);
    return outputObject;
}
 

private void beginRequest(CorbaMessageMediator messageMediator)
{
    ORB orb = (ORB) messageMediator.getBroker();
    if (orb.subcontractDebugFlag) {
        dprint(".handleRequest->:");
    }
    connection.serverRequestProcessingBegins();
}
 

public InputObject createInputObject(Broker broker,
                                     MessageMediator messageMediator)
{
    // REVISIT: Duplicate of acceptor code.
    CorbaMessageMediator corbaMessageMediator = (CorbaMessageMediator)
        messageMediator;
    return new CDRInputObject((ORB)broker,
                              (CorbaConnection)messageMediator.getConnection(),
                              corbaMessageMediator.getDispatchBuffer(),
                              corbaMessageMediator.getDispatchHeader());
}
 

public CorbaMessageMediator createLocationForward(
    CorbaMessageMediator messageMediator, IOR ior, ServiceContexts svc)
{
    ReplyMessage reply
        = MessageBase.createReply(
              (ORB)messageMediator.getBroker(),
              messageMediator.getGIOPVersion(),
              messageMediator.getEncodingVersion(),
              messageMediator.getRequestId(),
              ReplyMessage.LOCATION_FORWARD,
              getServiceContextsForReply(messageMediator, svc),
              ior);

    return createResponseHelper(messageMediator, reply, ior);
}
 

public MessageMediator createMessageMediator(Broker broker,Connection conn)
{
    ORB orb = (ORB) broker;
    CorbaConnection connection = (CorbaConnection) conn;

    if (orb.transportDebugFlag) {
        if (connection.shouldReadGiopHeaderOnly()) {
            dprint(
            ".createMessageMediator: waiting for message header on connection: "
            + connection);
        } else {
            dprint(
            ".createMessageMediator: waiting for message on connection: "
            + connection);
        }
    }

    Message msg = null;

    if (connection.shouldReadGiopHeaderOnly()) {
        // read giop header only
        msg = MessageBase.readGIOPHeader(orb, connection);
    } else {
        // read entire giop message
        msg = MessageBase.readGIOPMessage(orb, connection);
    }

    ByteBuffer byteBuffer = msg.getByteBuffer();
    msg.setByteBuffer(null);
    CorbaMessageMediator messageMediator =
        new CorbaMessageMediatorImpl(orb, connection, msg, byteBuffer);

    return messageMediator;
}
 

protected CorbaMessageMediator createResponseHelper(
    CorbaMessageMediator messageMediator, ServiceContexts svc,boolean user)
{
    ReplyMessage message =
        MessageBase.createReply(
            (ORB)messageMediator.getBroker(),
            messageMediator.getGIOPVersion(),
            messageMediator.getEncodingVersion(),
            messageMediator.getRequestId(),
            user ? ReplyMessage.USER_EXCEPTION :
                   ReplyMessage.SYSTEM_EXCEPTION,
            svc,
            null);
    return createResponseHelper(messageMediator, message, null);
}
 

private void beginRequest(CorbaMessageMediator messageMediator)
{
    ORB orb = (ORB) messageMediator.getBroker();
    if (orb.subcontractDebugFlag) {
        dprint(".handleRequest->:");
    }
    connection.serverRequestProcessingBegins();
}
 

private void sendResponse(CorbaMessageMediator messageMediator)
{
    if (orb.subcontractDebugFlag) {
        dprint(".handleRequest: " + opAndId(messageMediator)
               + ": sending response");
    }
    // REVISIT - type and location
    CDROutputObject outputObject = (CDROutputObject)
        messageMediator.getOutputObject();
    if (outputObject != null) {
        // REVISIT - can be null for TRANSIENT below.
        outputObject.finishSendingMessage();
    }
}
 

protected CorbaMessageMediator handleDynamicResult(
    ServerRequestImpl sreq,
    CorbaMessageMediator req)
{
    try {
        if (orb.subcontractDebugFlag) {
            dprint(".handleDynamicResult->: " + opAndId(req));
        }

        CorbaMessageMediator response = null ;

        // Check if ServerRequestImpl.result() has been called
        Any excany = sreq.checkResultCalled();

        if (excany == null) { // normal return
            if (orb.subcontractDebugFlag) {
                dprint(".handleDynamicResult: " + opAndId(req)
                       + ": handling normal result");
            }

            // Marshal out/inout/return parameters into the ReplyMessage
            response = sendingReply(req);
            OutputStream os = (OutputStream) response.getOutputObject();
            sreq.marshalReplyParams(os);
        }  else {
            if (orb.subcontractDebugFlag) {
                dprint(".handleDynamicResult: " + opAndId(req)
                       + ": handling error");
            }

            response = sendingReply(req, excany);
        }

        return response ;
    } finally {
        if (orb.subcontractDebugFlag) {
            dprint(".handleDynamicResult<-: " + opAndId(req));
        }
    }
}