Java Code Examples for com.sun.corba.se.spi.servicecontext.ServiceContexts#get()

/**
 * If the RMI-IIOP maximum stream format version service context
 * is present, it indicates the maximum stream format version we
 * could use for the reply.  If it isn't present, the default is
 * 2 for GIOP 1.3 or greater, 1 for lower.
 *
 * This is only sent on requests.  Clients can find out the
 * server's maximum by looking for a tagged component in the IOR.
 */
public byte getStreamFormatVersionForReply() {

    // NOTE: The request service contexts may indicate the max.
    ServiceContexts svc = getRequestServiceContexts();

    MaxStreamFormatVersionServiceContext msfvsc
        = (MaxStreamFormatVersionServiceContext)svc.get(
            MaxStreamFormatVersionServiceContext.SERVICE_CONTEXT_ID);

    if (msfvsc != null) {
        byte localMaxVersion = ORBUtility.getMaxStreamFormatVersion();
        byte remoteMaxVersion = msfvsc.getMaximumStreamFormatVersion();

        return (byte)Math.min(localMaxVersion, remoteMaxVersion);
    } else {
        // Defaults to 1 for GIOP 1.2 or less, 2 for
        // GIOP 1.3 or higher.
        if (getGIOPVersion().lessThan(GIOPVersion.V1_3))
            return ORBConstants.STREAM_FORMAT_VERSION_1;
        else
            return ORBConstants.STREAM_FORMAT_VERSION_2;
    }
}
 

/**
 * If the RMI-IIOP maximum stream format version service context
 * is present, it indicates the maximum stream format version we
 * could use for the reply.  If it isn't present, the default is
 * 2 for GIOP 1.3 or greater, 1 for lower.
 *
 * This is only sent on requests.  Clients can find out the
 * server's maximum by looking for a tagged component in the IOR.
 */
public byte getStreamFormatVersionForReply() {

    // NOTE: The request service contexts may indicate the max.
    ServiceContexts svc = getRequestServiceContexts();

    MaxStreamFormatVersionServiceContext msfvsc
        = (MaxStreamFormatVersionServiceContext)svc.get(
            MaxStreamFormatVersionServiceContext.SERVICE_CONTEXT_ID);

    if (msfvsc != null) {
        byte localMaxVersion = ORBUtility.getMaxStreamFormatVersion();
        byte remoteMaxVersion = msfvsc.getMaximumStreamFormatVersion();

        return (byte)Math.min(localMaxVersion, remoteMaxVersion);
    } else {
        // Defaults to 1 for GIOP 1.2 or less, 2 for
        // GIOP 1.3 or higher.
        if (getGIOPVersion().lessThan(GIOPVersion.V1_3))
            return ORBConstants.STREAM_FORMAT_VERSION_1;
        else
            return ORBConstants.STREAM_FORMAT_VERSION_2;
    }
}
 

/**
 * If the RMI-IIOP maximum stream format version service context
 * is present, it indicates the maximum stream format version we
 * could use for the reply.  If it isn't present, the default is
 * 2 for GIOP 1.3 or greater, 1 for lower.
 *
 * This is only sent on requests.  Clients can find out the
 * server's maximum by looking for a tagged component in the IOR.
 */
public byte getStreamFormatVersionForReply() {

    // NOTE: The request service contexts may indicate the max.
    ServiceContexts svc = getRequestServiceContexts();

    MaxStreamFormatVersionServiceContext msfvsc
        = (MaxStreamFormatVersionServiceContext)svc.get(
            MaxStreamFormatVersionServiceContext.SERVICE_CONTEXT_ID);

    if (msfvsc != null) {
        byte localMaxVersion = ORBUtility.getMaxStreamFormatVersion();
        byte remoteMaxVersion = msfvsc.getMaximumStreamFormatVersion();

        return (byte)Math.min(localMaxVersion, remoteMaxVersion);
    } else {
        // Defaults to 1 for GIOP 1.2 or less, 2 for
        // GIOP 1.3 or higher.
        if (getGIOPVersion().lessThan(GIOPVersion.V1_3))
            return ORBConstants.STREAM_FORMAT_VERSION_1;
        else
            return ORBConstants.STREAM_FORMAT_VERSION_2;
    }
}
 

/**
 * If the RMI-IIOP maximum stream format version service context
 * is present, it indicates the maximum stream format version we
 * could use for the reply.  If it isn't present, the default is
 * 2 for GIOP 1.3 or greater, 1 for lower.
 *
 * This is only sent on requests.  Clients can find out the
 * server's maximum by looking for a tagged component in the IOR.
 */
public byte getStreamFormatVersionForReply() {

    // NOTE: The request service contexts may indicate the max.
    ServiceContexts svc = getRequestServiceContexts();

    MaxStreamFormatVersionServiceContext msfvsc
        = (MaxStreamFormatVersionServiceContext)svc.get(
            MaxStreamFormatVersionServiceContext.SERVICE_CONTEXT_ID);

    if (msfvsc != null) {
        byte localMaxVersion = ORBUtility.getMaxStreamFormatVersion();
        byte remoteMaxVersion = msfvsc.getMaximumStreamFormatVersion();

        return (byte)Math.min(localMaxVersion, remoteMaxVersion);
    } else {
        // Defaults to 1 for GIOP 1.2 or less, 2 for
        // GIOP 1.3 or higher.
        if (getGIOPVersion().lessThan(GIOPVersion.V1_3))
            return ORBConstants.STREAM_FORMAT_VERSION_1;
        else
            return ORBConstants.STREAM_FORMAT_VERSION_2;
    }
}
 

/**
 * If the RMI-IIOP maximum stream format version service context
 * is present, it indicates the maximum stream format version we
 * could use for the reply.  If it isn't present, the default is
 * 2 for GIOP 1.3 or greater, 1 for lower.
 *
 * This is only sent on requests.  Clients can find out the
 * server's maximum by looking for a tagged component in the IOR.
 */
public byte getStreamFormatVersionForReply() {

    // NOTE: The request service contexts may indicate the max.
    ServiceContexts svc = getRequestServiceContexts();

    MaxStreamFormatVersionServiceContext msfvsc
        = (MaxStreamFormatVersionServiceContext)svc.get(
            MaxStreamFormatVersionServiceContext.SERVICE_CONTEXT_ID);

    if (msfvsc != null) {
        byte localMaxVersion = ORBUtility.getMaxStreamFormatVersion();
        byte remoteMaxVersion = msfvsc.getMaximumStreamFormatVersion();

        return (byte)Math.min(localMaxVersion, remoteMaxVersion);
    } else {
        // Defaults to 1 for GIOP 1.2 or less, 2 for
        // GIOP 1.3 or higher.
        if (getGIOPVersion().lessThan(GIOPVersion.V1_3))
            return ORBConstants.STREAM_FORMAT_VERSION_1;
        else
            return ORBConstants.STREAM_FORMAT_VERSION_2;
    }
}
 

/**
 * If the RMI-IIOP maximum stream format version service context
 * is present, it indicates the maximum stream format version we
 * could use for the reply.  If it isn't present, the default is
 * 2 for GIOP 1.3 or greater, 1 for lower.
 *
 * This is only sent on requests.  Clients can find out the
 * server's maximum by looking for a tagged component in the IOR.
 */
public byte getStreamFormatVersionForReply() {

    // NOTE: The request service contexts may indicate the max.
    ServiceContexts svc = getRequestServiceContexts();

    MaxStreamFormatVersionServiceContext msfvsc
        = (MaxStreamFormatVersionServiceContext)svc.get(
            MaxStreamFormatVersionServiceContext.SERVICE_CONTEXT_ID);

    if (msfvsc != null) {
        byte localMaxVersion = ORBUtility.getMaxStreamFormatVersion();
        byte remoteMaxVersion = msfvsc.getMaximumStreamFormatVersion();

        return (byte)Math.min(localMaxVersion, remoteMaxVersion);
    } else {
        // Defaults to 1 for GIOP 1.2 or less, 2 for
        // GIOP 1.3 or higher.
        if (getGIOPVersion().lessThan(GIOPVersion.V1_3))
            return ORBConstants.STREAM_FORMAT_VERSION_1;
        else
            return ORBConstants.STREAM_FORMAT_VERSION_2;
    }
}
 

/**
 * If the RMI-IIOP maximum stream format version service context
 * is present, it indicates the maximum stream format version we
 * could use for the reply.  If it isn't present, the default is
 * 2 for GIOP 1.3 or greater, 1 for lower.
 *
 * This is only sent on requests.  Clients can find out the
 * server's maximum by looking for a tagged component in the IOR.
 */
public byte getStreamFormatVersionForReply() {

    // NOTE: The request service contexts may indicate the max.
    ServiceContexts svc = getRequestServiceContexts();

    MaxStreamFormatVersionServiceContext msfvsc
        = (MaxStreamFormatVersionServiceContext)svc.get(
            MaxStreamFormatVersionServiceContext.SERVICE_CONTEXT_ID);

    if (msfvsc != null) {
        byte localMaxVersion = ORBUtility.getMaxStreamFormatVersion();
        byte remoteMaxVersion = msfvsc.getMaximumStreamFormatVersion();

        return (byte)Math.min(localMaxVersion, remoteMaxVersion);
    } else {
        // Defaults to 1 for GIOP 1.2 or less, 2 for
        // GIOP 1.3 or higher.
        if (getGIOPVersion().lessThan(GIOPVersion.V1_3))
            return ORBConstants.STREAM_FORMAT_VERSION_1;
        else
            return ORBConstants.STREAM_FORMAT_VERSION_2;
    }
}
 

/**
 * Utility method to look up a service context with the given id and
 * convert it to an IOP.ServiceContext.  Uses the given HashMap as
 * a cache.  If not found in cache, the result is inserted in the cache.
 */
protected org.omg.IOP.ServiceContext
    getServiceContext ( HashMap cachedServiceContexts,
                        ServiceContexts serviceContexts, int id )
{
    org.omg.IOP.ServiceContext result = null;
    Integer integerId = new Integer( id );

    // Search cache first:
    result = (org.omg.IOP.ServiceContext)
        cachedServiceContexts.get( integerId );

    // null could normally mean that either we cached the value null
    // or it's not in the cache.  However, there is no way for us to
    // cache the value null in the following code.
    if( result == null ) {
        // Not in cache.  Find it and put in cache.
        // Get the desired "core" service context.
        com.sun.corba.se.spi.servicecontext.ServiceContext context =
            serviceContexts.get( id );
        if (context == null)
            throw stdWrapper.invalidServiceContextId() ;

        // Convert the "core" service context to an
        // "IOP" ServiceContext by writing it to a
        // CDROutputStream and reading it back.
        EncapsOutputStream out =
            sun.corba.OutputStreamFactory.newEncapsOutputStream(myORB);

        context.write( out, GIOPVersion.V1_2 );
        InputStream inputStream = out.create_input_stream();
        result = ServiceContextHelper.read( inputStream );

        cachedServiceContexts.put( integerId, result );
    }

    // Good citizen: For increased efficiency, we assume that interceptors
    // will not modify the returned ServiceContext.  Otherwise, we would
    // have to make a deep copy.

    return result;
}
 

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);
}
 

/**
 * Handles setting the connection's code sets if required.
 * Returns true if the CodeSetContext was in the request, false
 * otherwise.
 */
protected boolean processCodeSetContext(
    CorbaMessageMediator request, ServiceContexts contexts)
{
    try {
        if (orb.subcontractDebugFlag) {
            dprint(".processCodeSetContext->: " + opAndId(request));
        }

        ServiceContext sc = contexts.get(
            CodeSetServiceContext.SERVICE_CONTEXT_ID);
        if (sc != null) {
            // Somehow a code set service context showed up in the local case.
            if (request.getConnection() == null) {
                return true;
            }

            // If it's GIOP 1.0, it shouldn't have this context at all.  Our legacy
            // ORBs sent it and we need to know if it's here to make ORB versioning
            // decisions, but we don't use the contents.
            if (request.getGIOPVersion().equals(GIOPVersion.V1_0)) {
                return true;
            }

            CodeSetServiceContext cssc = (CodeSetServiceContext)sc ;
            CodeSetComponentInfo.CodeSetContext csctx = cssc.getCodeSetContext();

            // Note on threading:
            //
            // getCodeSetContext and setCodeSetContext are synchronized
            // on the Connection.  At worst, this will result in
            // multiple threads entering this block and calling
            // setCodeSetContext but not actually changing the
            // values on the Connection.
            //
            // Alternative would be to lock the connection for the
            // whole block, but it's fine either way.

            // The connection's codeSetContext is null until we've received a
            // request with a code set context with the negotiated code sets.
            if (((CorbaConnection)request.getConnection())
                .getCodeSetContext() == null)
            {

                // Use these code sets on this connection
                if (orb.subcontractDebugFlag) {
                    dprint(".processCodeSetContext: " + opAndId(request)
                           + ": Setting code sets to: " + csctx);
                }

                ((CorbaConnection)request.getConnection())
                    .setCodeSetContext(csctx);

                // We had to read the method name using ISO 8859-1
                // (which is the default in the CDRInputStream for
                // char data), but now we may have a new char
                // code set.  If it isn't ISO8859-1, we must tell
                // the CDR stream to null any converter references
                // it has created so that it will reacquire
                // the code sets again using the new info.
                //
                // This should probably compare with the stream's
                // char code set rather than assuming it's ISO8859-1.
                // (However, the operation name is almost certainly
                // ISO8859-1 or ASCII.)
                if (csctx.getCharCodeSet() !=
                    OSFCodeSetRegistry.ISO_8859_1.getNumber()) {
                    ((MarshalInputStream)request.getInputObject())
                        .resetCodeSetConverters();
                }
            }
        }

        // If no code set information is ever sent from the client,
        // the server will use ISO8859-1 for char and throw an
        // exception for any wchar transmissions.
        //
        // In the local case, we use ORB provided streams for
        // marshaling and unmarshaling.  Currently, they use
        // ISO8859-1 for char/string and UTF16 for wchar/wstring.
        return sc != null ;
    } finally {
        if (orb.subcontractDebugFlag) {
            dprint(".processCodeSetContext<-: " + opAndId(request));
        }
    }
}
 

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);
}
 

/**
 * Handles setting the connection's code sets if required.
 * Returns true if the CodeSetContext was in the request, false
 * otherwise.
 */
protected boolean processCodeSetContext(
    CorbaMessageMediator request, ServiceContexts contexts)
{
    try {
        if (orb.subcontractDebugFlag) {
            dprint(".processCodeSetContext->: " + opAndId(request));
        }

        ServiceContext sc = contexts.get(
            CodeSetServiceContext.SERVICE_CONTEXT_ID);
        if (sc != null) {
            // Somehow a code set service context showed up in the local case.
            if (request.getConnection() == null) {
                return true;
            }

            // If it's GIOP 1.0, it shouldn't have this context at all.  Our legacy
            // ORBs sent it and we need to know if it's here to make ORB versioning
            // decisions, but we don't use the contents.
            if (request.getGIOPVersion().equals(GIOPVersion.V1_0)) {
                return true;
            }

            CodeSetServiceContext cssc = (CodeSetServiceContext)sc ;
            CodeSetComponentInfo.CodeSetContext csctx = cssc.getCodeSetContext();

            // Note on threading:
            //
            // getCodeSetContext and setCodeSetContext are synchronized
            // on the Connection.  At worst, this will result in
            // multiple threads entering this block and calling
            // setCodeSetContext but not actually changing the
            // values on the Connection.
            //
            // Alternative would be to lock the connection for the
            // whole block, but it's fine either way.

            // The connection's codeSetContext is null until we've received a
            // request with a code set context with the negotiated code sets.
            if (((CorbaConnection)request.getConnection())
                .getCodeSetContext() == null)
            {

                // Use these code sets on this connection
                if (orb.subcontractDebugFlag) {
                    dprint(".processCodeSetContext: " + opAndId(request)
                           + ": Setting code sets to: " + csctx);
                }

                ((CorbaConnection)request.getConnection())
                    .setCodeSetContext(csctx);

                // We had to read the method name using ISO 8859-1
                // (which is the default in the CDRInputStream for
                // char data), but now we may have a new char
                // code set.  If it isn't ISO8859-1, we must tell
                // the CDR stream to null any converter references
                // it has created so that it will reacquire
                // the code sets again using the new info.
                //
                // This should probably compare with the stream's
                // char code set rather than assuming it's ISO8859-1.
                // (However, the operation name is almost certainly
                // ISO8859-1 or ASCII.)
                if (csctx.getCharCodeSet() !=
                    OSFCodeSetRegistry.ISO_8859_1.getNumber()) {
                    ((MarshalInputStream)request.getInputObject())
                        .resetCodeSetConverters();
                }
            }
        }

        // If no code set information is ever sent from the client,
        // the server will use ISO8859-1 for char and throw an
        // exception for any wchar transmissions.
        //
        // In the local case, we use ORB provided streams for
        // marshaling and unmarshaling.  Currently, they use
        // ISO8859-1 for char/string and UTF16 for wchar/wstring.
        return sc != null ;
    } finally {
        if (orb.subcontractDebugFlag) {
            dprint(".processCodeSetContext<-: " + opAndId(request));
        }
    }
}
 

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);
}
 

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);
}
 

/**
 * Handles setting the connection's code sets if required.
 * Returns true if the CodeSetContext was in the request, false
 * otherwise.
 */
protected boolean processCodeSetContext(
    CorbaMessageMediator request, ServiceContexts contexts)
{
    try {
        if (orb.subcontractDebugFlag) {
            dprint(".processCodeSetContext->: " + opAndId(request));
        }

        ServiceContext sc = contexts.get(
            CodeSetServiceContext.SERVICE_CONTEXT_ID);
        if (sc != null) {
            // Somehow a code set service context showed up in the local case.
            if (request.getConnection() == null) {
                return true;
            }

            // If it's GIOP 1.0, it shouldn't have this context at all.  Our legacy
            // ORBs sent it and we need to know if it's here to make ORB versioning
            // decisions, but we don't use the contents.
            if (request.getGIOPVersion().equals(GIOPVersion.V1_0)) {
                return true;
            }

            CodeSetServiceContext cssc = (CodeSetServiceContext)sc ;
            CodeSetComponentInfo.CodeSetContext csctx = cssc.getCodeSetContext();

            // Note on threading:
            //
            // getCodeSetContext and setCodeSetContext are synchronized
            // on the Connection.  At worst, this will result in
            // multiple threads entering this block and calling
            // setCodeSetContext but not actually changing the
            // values on the Connection.
            //
            // Alternative would be to lock the connection for the
            // whole block, but it's fine either way.

            // The connection's codeSetContext is null until we've received a
            // request with a code set context with the negotiated code sets.
            if (((CorbaConnection)request.getConnection())
                .getCodeSetContext() == null)
            {

                // Use these code sets on this connection
                if (orb.subcontractDebugFlag) {
                    dprint(".processCodeSetContext: " + opAndId(request)
                           + ": Setting code sets to: " + csctx);
                }

                ((CorbaConnection)request.getConnection())
                    .setCodeSetContext(csctx);

                // We had to read the method name using ISO 8859-1
                // (which is the default in the CDRInputStream for
                // char data), but now we may have a new char
                // code set.  If it isn't ISO8859-1, we must tell
                // the CDR stream to null any converter references
                // it has created so that it will reacquire
                // the code sets again using the new info.
                //
                // This should probably compare with the stream's
                // char code set rather than assuming it's ISO8859-1.
                // (However, the operation name is almost certainly
                // ISO8859-1 or ASCII.)
                if (csctx.getCharCodeSet() !=
                    OSFCodeSetRegistry.ISO_8859_1.getNumber()) {
                    ((MarshalInputStream)request.getInputObject())
                        .resetCodeSetConverters();
                }
            }
        }

        // If no code set information is ever sent from the client,
        // the server will use ISO8859-1 for char and throw an
        // exception for any wchar transmissions.
        //
        // In the local case, we use ORB provided streams for
        // marshaling and unmarshaling.  Currently, they use
        // ISO8859-1 for char/string and UTF16 for wchar/wstring.
        return sc != null ;
    } finally {
        if (orb.subcontractDebugFlag) {
            dprint(".processCodeSetContext<-: " + opAndId(request));
        }
    }
}
 

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);
}
 

/**
 * Utility method to look up a service context with the given id and
 * convert it to an IOP.ServiceContext.  Uses the given HashMap as
 * a cache.  If not found in cache, the result is inserted in the cache.
 */
protected org.omg.IOP.ServiceContext
    getServiceContext ( HashMap cachedServiceContexts,
                        ServiceContexts serviceContexts, int id )
{
    org.omg.IOP.ServiceContext result = null;
    Integer integerId = new Integer( id );

    // Search cache first:
    result = (org.omg.IOP.ServiceContext)
        cachedServiceContexts.get( integerId );

    // null could normally mean that either we cached the value null
    // or it's not in the cache.  However, there is no way for us to
    // cache the value null in the following code.
    if( result == null ) {
        // Not in cache.  Find it and put in cache.
        // Get the desired "core" service context.
        com.sun.corba.se.spi.servicecontext.ServiceContext context =
            serviceContexts.get( id );
        if (context == null)
            throw stdWrapper.invalidServiceContextId() ;

        // Convert the "core" service context to an
        // "IOP" ServiceContext by writing it to a
        // CDROutputStream and reading it back.
        EncapsOutputStream out =
            sun.corba.OutputStreamFactory.newEncapsOutputStream(myORB);

        context.write( out, GIOPVersion.V1_2 );
        InputStream inputStream = out.create_input_stream();
        result = ServiceContextHelper.read( inputStream );

        cachedServiceContexts.put( integerId, result );
    }

    // Good citizen: For increased efficiency, we assume that interceptors
    // will not modify the returned ServiceContext.  Otherwise, we would
    // have to make a deep copy.

    return result;
}
 

/**
 * Utility method to look up a service context with the given id and
 * convert it to an IOP.ServiceContext.  Uses the given HashMap as
 * a cache.  If not found in cache, the result is inserted in the cache.
 */
protected org.omg.IOP.ServiceContext
    getServiceContext ( HashMap cachedServiceContexts,
                        ServiceContexts serviceContexts, int id )
{
    org.omg.IOP.ServiceContext result = null;
    Integer integerId = new Integer( id );

    // Search cache first:
    result = (org.omg.IOP.ServiceContext)
        cachedServiceContexts.get( integerId );

    // null could normally mean that either we cached the value null
    // or it's not in the cache.  However, there is no way for us to
    // cache the value null in the following code.
    if( result == null ) {
        // Not in cache.  Find it and put in cache.
        // Get the desired "core" service context.
        com.sun.corba.se.spi.servicecontext.ServiceContext context =
            serviceContexts.get( id );
        if (context == null)
            throw stdWrapper.invalidServiceContextId() ;

        // Convert the "core" service context to an
        // "IOP" ServiceContext by writing it to a
        // CDROutputStream and reading it back.
        EncapsOutputStream out =
            sun.corba.OutputStreamFactory.newEncapsOutputStream(myORB);

        context.write( out, GIOPVersion.V1_2 );
        InputStream inputStream = out.create_input_stream();
        result = ServiceContextHelper.read( inputStream );

        cachedServiceContexts.put( integerId, result );
    }

    // Good citizen: For increased efficiency, we assume that interceptors
    // will not modify the returned ServiceContext.  Otherwise, we would
    // have to make a deep copy.

    return result;
}
 

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);
}
 

/**
 * Handles setting the connection's code sets if required.
 * Returns true if the CodeSetContext was in the request, false
 * otherwise.
 */
protected boolean processCodeSetContext(
    CorbaMessageMediator request, ServiceContexts contexts)
{
    try {
        if (orb.subcontractDebugFlag) {
            dprint(".processCodeSetContext->: " + opAndId(request));
        }

        ServiceContext sc = contexts.get(
            CodeSetServiceContext.SERVICE_CONTEXT_ID);
        if (sc != null) {
            // Somehow a code set service context showed up in the local case.
            if (request.getConnection() == null) {
                return true;
            }

            // If it's GIOP 1.0, it shouldn't have this context at all.  Our legacy
            // ORBs sent it and we need to know if it's here to make ORB versioning
            // decisions, but we don't use the contents.
            if (request.getGIOPVersion().equals(GIOPVersion.V1_0)) {
                return true;
            }

            CodeSetServiceContext cssc = (CodeSetServiceContext)sc ;
            CodeSetComponentInfo.CodeSetContext csctx = cssc.getCodeSetContext();

            // Note on threading:
            //
            // getCodeSetContext and setCodeSetContext are synchronized
            // on the Connection.  At worst, this will result in
            // multiple threads entering this block and calling
            // setCodeSetContext but not actually changing the
            // values on the Connection.
            //
            // Alternative would be to lock the connection for the
            // whole block, but it's fine either way.

            // The connection's codeSetContext is null until we've received a
            // request with a code set context with the negotiated code sets.
            if (((CorbaConnection)request.getConnection())
                .getCodeSetContext() == null)
            {

                // Use these code sets on this connection
                if (orb.subcontractDebugFlag) {
                    dprint(".processCodeSetContext: " + opAndId(request)
                           + ": Setting code sets to: " + csctx);
                }

                ((CorbaConnection)request.getConnection())
                    .setCodeSetContext(csctx);

                // We had to read the method name using ISO 8859-1
                // (which is the default in the CDRInputStream for
                // char data), but now we may have a new char
                // code set.  If it isn't ISO8859-1, we must tell
                // the CDR stream to null any converter references
                // it has created so that it will reacquire
                // the code sets again using the new info.
                //
                // This should probably compare with the stream's
                // char code set rather than assuming it's ISO8859-1.
                // (However, the operation name is almost certainly
                // ISO8859-1 or ASCII.)
                if (csctx.getCharCodeSet() !=
                    OSFCodeSetRegistry.ISO_8859_1.getNumber()) {
                    ((MarshalInputStream)request.getInputObject())
                        .resetCodeSetConverters();
                }
            }
        }

        // If no code set information is ever sent from the client,
        // the server will use ISO8859-1 for char and throw an
        // exception for any wchar transmissions.
        //
        // In the local case, we use ORB provided streams for
        // marshaling and unmarshaling.  Currently, they use
        // ISO8859-1 for char/string and UTF16 for wchar/wstring.
        return sc != null ;
    } finally {
        if (orb.subcontractDebugFlag) {
            dprint(".processCodeSetContext<-: " + opAndId(request));
        }
    }
}