protected boolean validateInternal(final J2EContext context, final String grantType, final ProfileManager manager,
                                       final UserProfile userProfile) {
        return false;
    }
protected boolean validateInternal ( final J2EContext context , final String grantType , final ProfileManager manager , final UserProfile userProfile ) { return false ; }
Validate internal.

@param context     the context
@param grantType   the grant type
@param manager     the manager
@param userProfile the profile
@return true/false