Java CorbaMessageMediator.getConnection方法代码示例

import com.sun.corba.se.spi.protocol.CorbaMessageMediator; //导入方法依赖的package包/类
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;
}
 

import com.sun.corba.se.spi.protocol.CorbaMessageMediator; //导入方法依赖的package包/类
protected void addServiceContexts(CorbaMessageMediator messageMediator)
{
    ORB orb = (ORB)messageMediator.getBroker();
    CorbaConnection c = (CorbaConnection) messageMediator.getConnection();
    GIOPVersion giopVersion = messageMediator.getGIOPVersion();

    ServiceContexts contexts = messageMediator.getRequestServiceContexts();

    addCodeSetServiceContext(c, contexts, giopVersion);

    // Add the RMI-IIOP max stream format version
    // service context to every request.  Once we have GIOP 1.3,
    // we could skip it since we now support version 2, but
    // probably safer to always send it.
    contexts.put(MaxStreamFormatVersionServiceContext.singleton);

    // ORBVersion servicecontext needs to be sent
    ORBVersionServiceContext ovsc = new ORBVersionServiceContext(
                    ORBVersionFactory.getORBVersion() ) ;
    contexts.put( ovsc ) ;

    // NOTE : We only want to send the runtime context the first time
    if ((c != null) && !c.isPostInitialContexts()) {
        // Do not do c.setPostInitialContexts() here.
        // If a client interceptor send_request does a ForwardRequest
        // which ends up using the same connection then the service
        // context would not be sent.
        SendingContextServiceContext scsc =
            new SendingContextServiceContext( orb.getFVDCodeBaseIOR() ) ; //d11638
        contexts.put( scsc ) ;
    }
}
 

import com.sun.corba.se.spi.protocol.CorbaMessageMediator; //导入方法依赖的package包/类
/**
 * Stores the various sources of information used for this info object.
 */
protected void setInfo( CorbaMessageMediator request, ObjectAdapter oa,
    byte[] objectId, ObjectKeyTemplate oktemp )
{
    this.request = request;
    this.objectId = objectId;
    this.oktemp = oktemp;
    this.objectAdapter = oa ;
    this.connection = (com.sun.corba.se.spi.legacy.connection.Connection)
        request.getConnection();
}
 

import com.sun.corba.se.spi.protocol.CorbaMessageMediator; //导入方法依赖的package包/类
protected void registerWaiter(CorbaMessageMediator messageMediator)
{
    if (messageMediator.getConnection() != null) {
        messageMediator.getConnection().registerWaiter(messageMediator);
    }
}
 

import com.sun.corba.se.spi.protocol.CorbaMessageMediator; //导入方法依赖的package包/类
protected void consumeServiceContexts(ORB orb,
                                    CorbaMessageMediator messageMediator)
{
    ServiceContexts ctxts = messageMediator.getReplyServiceContexts();
    ServiceContext sc ;
    ORBUtilSystemException wrapper = ORBUtilSystemException.get( orb,
            CORBALogDomains.RPC_PROTOCOL ) ;

    if (ctxts == null) {
        return; // no service context available, return gracefully.
    }

    sc = ctxts.get( SendingContextServiceContext.SERVICE_CONTEXT_ID ) ;

    if (sc != null) {
        SendingContextServiceContext scsc =
            (SendingContextServiceContext)sc ;
        IOR ior = scsc.getIOR() ;

        try {
            // set the codebase returned by the server
            if (messageMediator.getConnection() != null) {
                ((CorbaConnection)messageMediator.getConnection()).setCodeBaseIOR(ior);
            }
        } catch (ThreadDeath td) {
            throw td ;
        } catch (Throwable t) {
            throw wrapper.badStringifiedIor( t ) ;
        }
    }

    // see if the version subcontract is present, if yes, then set
    // the ORBversion
    sc = ctxts.get( ORBVersionServiceContext.SERVICE_CONTEXT_ID ) ;

    if (sc != null) {
        ORBVersionServiceContext ovsc =
           (ORBVersionServiceContext) sc;

        ORBVersion version = ovsc.getVersion();
        orb.setORBVersion( version ) ;
    }

    getExceptionDetailMessage(messageMediator, wrapper);
}
 

import com.sun.corba.se.spi.protocol.CorbaMessageMediator; //导入方法依赖的package包/类
protected void performCodeSetNegotiation(CorbaMessageMediator messageMediator)
{
    CorbaConnection conn =
        (CorbaConnection) messageMediator.getConnection();
    IOR ior =
        ((CorbaContactInfo)messageMediator.getContactInfo())
        .getEffectiveTargetIOR();
    GIOPVersion giopVersion = messageMediator.getGIOPVersion();

    // XXX This seems to be a broken double checked locking idiom: FIX IT!

    // conn.getCodeSetContext() is null when no other requests have
    // been made on this connection to trigger code set negotation.
    if (conn != null &&
        conn.getCodeSetContext() == null &&
        !giopVersion.equals(GIOPVersion.V1_0)) {

        synchronized(conn) {
            // Double checking.  Don't let any other
            // threads use this connection until the
            // code sets are straight.
            if (conn.getCodeSetContext() != null)
                return;

            // This only looks at the first code set component.  If
            // there can be multiple locations with multiple code sets,
            // this requires more work.
            IIOPProfileTemplate temp =
                (IIOPProfileTemplate)ior.getProfile().
                getTaggedProfileTemplate();
            Iterator iter = temp.iteratorById(TAG_CODE_SETS.value);
            if (!iter.hasNext()) {
                // Didn't have a code set component.  The default will
                // be to use ISO8859-1 for char data and throw an
                // exception if wchar data is used.
                return;
            }

            // Get the native and conversion code sets the
            // server specified in its IOR
            CodeSetComponentInfo serverCodeSets
                = ((CodeSetsComponent)iter.next()).getCodeSetComponentInfo();

            // Perform the negotiation between this ORB's code sets and
            // the ones from the IOR
            CodeSetComponentInfo.CodeSetContext result
                = CodeSetConversion.impl().negotiate(
                      conn.getBroker().getORBData().getCodeSetComponentInfo(),
                      serverCodeSets);

            conn.setCodeSetContext(result);
        }
    }
}
 

import com.sun.corba.se.spi.protocol.CorbaMessageMediator; //导入方法依赖的package包/类
public CorbaMessageMediator createSystemExceptionResponse(
    CorbaMessageMediator messageMediator,
    SystemException ex,
    ServiceContexts svc)
{
    if (messageMediator.getConnection() != null) {
        // It is possible that fragments of response have already been
        // sent.  Then an error may occur (e.g. marshaling error like
        // non serializable object).  In that case it is too late
        // to send the exception.  We just return the existing fragmented
        // stream here.  This will cause an incomplete last fragment
        // to be sent.  Then the other side will get a marshaling error
        // when attempting to unmarshal.

        // REVISIT: Impl - make interface method to do the following.
        CorbaMessageMediatorImpl mediator = (CorbaMessageMediatorImpl)
            ((CorbaConnection)messageMediator.getConnection())
            .serverRequestMapGet(messageMediator.getRequestId());

        OutputObject existingOutputObject = null;
        if (mediator != null) {
            existingOutputObject = mediator.getOutputObject();
        }

        // REVISIT: need to think about messageMediator containing correct
        // pointer to output object.
        if (existingOutputObject != null &&
            mediator.sentFragment() &&
            ! mediator.sentFullMessage())
        {
            return mediator;
        }
    }

    // Only do this if interceptors have been initialized on this request
    // and have not completed their lifecycle (otherwise the info stack
    // may be empty or have a different request's entry on top).
    if (messageMediator.executePIInResponseConstructor()) {
        // REVISIT: not necessary in framework now?
        // Inform Portable Interceptors of the SystemException.  This is
        // required to be done here because the ending interception point
        // is called in the when creating the response below
        // but we do not currently write the SystemException into the
        // response until after the ending point is called.
        ((ORB)messageMediator.getBroker()).getPIHandler().setServerPIInfo( ex );
    }

    if (((ORB)messageMediator.getBroker()).subcontractDebugFlag &&
        ex != null)
    {
        dprint(".createSystemExceptionResponse: "
               + opAndId(messageMediator),
               ex);
    }

    ServiceContexts serviceContexts =
        getServiceContextsForReply(messageMediator, svc);

    // NOTE: We MUST add the service context before creating
    // the response since service contexts are written to the
    // stream when the response object is created.

    addExceptionDetailMessage(messageMediator, ex, serviceContexts);

    CorbaMessageMediator response =
        createResponseHelper(messageMediator, serviceContexts, false);

    // NOTE: From here on, it is too late to add more service contexts.
    // They have already been serialized to the stream (and maybe fragments
    // sent).

    ORBUtility.writeSystemException(
        ex, (OutputStream)response.getOutputObject());

    return response;
}
 

import com.sun.corba.se.spi.protocol.CorbaMessageMediator; //导入方法依赖的package包/类
protected CorbaMessageMediator createResponseHelper(
    CorbaMessageMediator messageMediator, ReplyMessage reply, IOR ior)
{
    // REVISIT - these should be invoked from subcontract.
    runServantPostInvoke(messageMediator);
    runInterceptors(messageMediator, reply);
    runRemoveThreadInfo(messageMediator);

    if (((ORB)messageMediator.getBroker()).subcontractDebugFlag) {
        dprint(".createResponseHelper: "
               + opAndId(messageMediator) + ": "
               + reply);
    }

    messageMediator.setReplyHeader(reply);

    OutputObject replyOutputObject;
    // REVISIT = do not use null.
    //
    if (messageMediator.getConnection() == null) {
        replyOutputObject =
            sun.corba.OutputStreamFactory.newCDROutputObject(orb,
                        messageMediator, messageMediator.getReplyHeader(),
                        messageMediator.getStreamFormatVersion(),
                        BufferManagerFactory.GROW);
    } else {
        replyOutputObject = messageMediator.getConnection().getAcceptor()
         .createOutputObject(messageMediator.getBroker(), messageMediator);
    }
    messageMediator.setOutputObject(replyOutputObject);
    messageMediator.getOutputObject().setMessageMediator(messageMediator);

    reply.write((OutputStream) messageMediator.getOutputObject());
    if (reply.getIOR() != null) {
        reply.getIOR().write((OutputStream) messageMediator.getOutputObject());
    }
    // REVISIT - not necessary?
    //messageMediator.this.replyIOR = reply.getIOR();

    // NOTE: The mediator holds onto output object so return value
    // not really necessary.
    return messageMediator;
}