}
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);
}
}
}