this.useGUIAuth = useGUIAuth;
this.appclientCredentialType = credType;
if (handler != null) {
this.callbackHandler = handler;
} else {
this.callbackHandler = new LoginCallbackHandler(useGUIAuth);
}
this.targetServers = tServers;
this.msgSecConfigs = configs;
SecurityManager secMgr = System.getSecurityManager();