/* * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.security.timestamp; import java.io.IOException; /** * A timestamping service which conforms to the Time-Stamp Protocol (TSP) * defined in: * <a href="http://www.ietf.org/rfc/rfc3161.txt">RFC 3161</a>. * Individual timestampers may communicate with a Timestamping Authority (TSA) * over different transport machanisms. TSP permits at least the following * transports: HTTP, Internet mail, file-based and socket-based. * * @author Vincent Ryan * @see HttpTimestamper */public interface Timestamper {     /*     * Connects to the TSA and requests a timestamp.     *     * @param tsQuery The timestamp query.     * @return The result of the timestamp query.     * @throws IOException The exception is thrown if a problem occurs while     *         communicating with the TSA.     */    public TSResponse generateTimestamp(TSRequest tsQuery) throws IOException;}