import com.sun.corba.se.spi.servicecontext.CodeSetServiceContext; //导入依赖的package包/类
private void initServiceContextRegistry( ORB orb )
{
    ServiceContextRegistry scr = orb.getServiceContextRegistry() ;

    scr.register( UEInfoServiceContext.class ) ;
    scr.register( CodeSetServiceContext.class ) ;
    scr.register( SendingContextServiceContext.class ) ;
    scr.register( ORBVersionServiceContext.class ) ;
    scr.register( MaxStreamFormatVersionServiceContext.class ) ;
}
 

import com.sun.corba.se.spi.servicecontext.CodeSetServiceContext; //导入依赖的package包/类
protected void addCodeSetServiceContext(CorbaConnection conn,
                                      ServiceContexts ctxs,
                                      GIOPVersion giopVersion) {

    // REVISIT.  OMG issue 3318 concerning sending the code set
    // service context more than once was deemed too much for the
    // RTF.  Here's our strategy for the moment:
    //
    // Send it on every request (necessary in cases of fragmentation
    // with multithreaded clients or when the first thing on a
    // connection is a LocateRequest).  Provide an ORB property
    // to disable multiple sends.
    //
    // Note that the connection is null in the local case and no
    // service context is included.  We use the ORB provided
    // encapsulation streams.
    //
    // Also, there will be no negotiation or service context
    // in GIOP 1.0.  ISO8859-1 is used for char/string, and
    // wchar/wstring are illegal.
    //
    if (giopVersion.equals(GIOPVersion.V1_0) || conn == null)
        return;

    CodeSetComponentInfo.CodeSetContext codeSetCtx = null;

    if (conn.getBroker().getORBData().alwaysSendCodeSetServiceContext() ||
        !conn.isPostInitialContexts()) {

        // Get the negotiated code sets (if any) out of the connection
        codeSetCtx = conn.getCodeSetContext();
    }

    // Either we shouldn't send the code set service context, or
    // for some reason, the connection doesn't have its code sets.
    // Perhaps the server didn't include them in the IOR.  Uses
    // ISO8859-1 for char and makes wchar/wstring illegal.
    if (codeSetCtx == null)
        return;

    CodeSetServiceContext cssc = new CodeSetServiceContext(codeSetCtx);
    ctxs.put(cssc);
}