authMethod = "Negotiate";
                    break;
                }
                if (currentAuthMethod.indexOf(' ') != 9) continue;
                authMethod = "Negotiate";
                authorization = currentAuthMethod.substring(10).trim();
                break;
            }
        }
        if (authMethod == null) return null;

                    if ( currentAuthMethod.length() == 4 ) {
                        this.authMethod = "NTLM";
                        break;
                    }
                    if ( currentAuthMethod.indexOf(' ') != 4 )
                        continue;
                    this.authMethod = "NTLM";
                    authorization = currentAuthMethod.substring(5).trim();
                    break;