* @return 拡張子
     */
    public static String getExtension(final String path) {
        assertArgumentNotNull("path", path);

        final int extPos = path.lastIndexOf(".");
        if (extPos >= 0) {
            return path.substring(extPos + 1);
        }
        return null;
    }

    /**
     * パスから拡張子を取り除きます。
     *
     * @param path
     *            パス。{@literal null}であってはいけません

          required: false
          style: form
          explode: true
          schema:
            type: array
            items:
              type: string
            example: [name]
        - name: facet.field
          in: query
          description: Facet field name
          required: false
          style: form
          explode: true
          schema:
            type: array
            items:

    }


    /**
     * @param ref
     * @param reqPath
     * @param expire
     * @param consumed
     * @return referral data
     */
    public static DfsReferralDataImpl fromReferral ( Referral ref, String reqPath, long expire, int consumed ) {
        DfsReferralDataImpl dr = new DfsReferralDataImpl();
        String[] arr = new String[4];

        }
    }


    Key searchSessionKey ( Subject subject ) throws GSSException {
        MIEName src = new MIEName(this.gssContext.getSrcName().export());
        MIEName targ = new MIEName(this.gssContext.getTargName().export());

        ASN1ObjectIdentifier mech = ASN1ObjectIdentifier.getInstance(this.gssContext.getMech().getDER());

Library), the recipient automatically receives a license from the
original licensor to copy, distribute, link with or modify the Library
subject to these terms and conditions.  You may not impose any further
restrictions on the recipients' exercise of the rights granted herein.
You are not responsible for enforcing compliance by third parties with
this License.

#                                                     ------
# The default path of cookie (basically '/' if no context path)
cookie.default.path = /

# The default expire of cookie in seconds e.g. 31556926: one year, 86400: one day
cookie.default.expire = 3600

session.tracking.modes=cookie

# ----------------------------------------------------------
#                                                     Paging

            attributes.put("refreshtoken", tr.getRefreshToken() == null ? "null" : tr.getRefreshToken());
            attributes.put("tokentype", tr.getTokenType());
            attributes.put("expire", tr.getExpiresInSeconds());
            attributes.put("jwtheader", jwtHeader);
            attributes.put("jwtclaim", jwtClaim);
            attributes.put("jwtsign", jwtSigniture);

        PrincipalName principalName = convertPrincipal(principal);
        KrbAsReqBuilder builder = new KrbAsReqBuilder(principalName, password != null ? password.toCharArray() : new char[0]);

        if ( expire != null ) {
            System.out.println("Request expires " + expire);
            KerberosTime till = new KerberosTime(expire);