/**
  * Creates a GSSContextImpl out of a previously exported GSSContext.
  *
  * @see #isTransferable
  */
 public GSSContextImpl(GSSManagerImpl gssManager, byte[] interProcessToken) throws GSSException {
   this.gssManager = gssManager;
   mechCtxt = gssManager.getMechanismContext(interProcessToken);
   initiator = mechCtxt.isInitiator();
   this.mechOid = mechCtxt.getMech();
 }