public static final String LABELS_ldap_provider_url = "{labels.ldap_provider_url}";

    /** The key of the message: User DN */
    public static final String LABELS_ldap_security_principal = "{labels.ldap_security_principal}";

    /** The key of the message: Bind DN */
    public static final String LABELS_ldap_admin_security_principal = "{labels.ldap_admin_security_principal}";

    /** The key of the message: Password */

    @Max(100000)
    @ValidateTypeFailure
    public Integer purgeSuggestSearchLogDay;

    @Size(max = 1000)
    public String ldapProviderUrl;

    @Size(max = 1000)
    public String ldapSecurityPrincipal;

    @Size(max = 1000)
    public String ldapAdminSecurityPrincipal;

    @Size(max = 1000)
    public String ldapAdminSecurityCredentials;

    @Size(max = 1000)
    public String ldapBaseDn;

        fessConfig.setPurgeSuggestSearchLogDay(form.purgeSuggestSearchLogDay);
        fessConfig.setLdapProviderUrl(form.ldapProviderUrl);
        fessConfig.setLdapSecurityPrincipal(form.ldapSecurityPrincipal);
        fessConfig.setLdapAdminSecurityPrincipal(form.ldapAdminSecurityPrincipal);
        if (form.ldapAdminSecurityCredentials != null && StringUtil.isNotBlank(form.ldapAdminSecurityCredentials.replace("*", " "))) {