if (auth == null) {
                        return null;
                    }
                    user = auth.getUserName();
                    password = new String(auth.getPassword());
                } catch (final Exception ex) {}
            }
            final Type2Message type2 = (Type2Message) message;

            final LocalUserCredential userCredential = credential;
            final String username = userCredential.getUser();
            final String password = userCredential.getPassword();
            if (!fessConfig.isAdminUser(username)) {
                final OptionalEntity<FessUser> ldapUser = ComponentUtil.getLdapManager().login(username, password);
                if (ldapUser.isPresent()) {

        if (StringUtil.isNotBlank(value)) {
            return value.replace(USERNAME, credentials.getUserPrincipal().getName()).replace(PASSWORD, credentials.getPassword());
        }
        return StringUtil.EMPTY;
    }

    /**
     * Returns a string representation of this object.
     * @return A string representation.
     */
    @Override