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/*
 * 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
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package sun.security.timestamp;

import java.io.IOException;

/**
 * A timestamping service which conforms to the Time-Stamp Protocol (TSP)
 * defined in:
 * RFC 3161.
 * 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;
}