1/*
2 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package sun.security.timestamp;
27
28import java.io.IOException;
29
30/**
31 * A timestamping service which conforms to the Time-Stamp Protocol (TSP)
32 * defined in:
33 * <a href="http://www.ietf.org/rfc/rfc3161.txt">RFC 3161</a>.
34 * Individual timestampers may communicate with a Timestamping Authority (TSA)
35 * over different transport machanisms. TSP permits at least the following
36 * transports: HTTP, Internet mail, file-based and socket-based.
37 *
38 * @author Vincent Ryan
39 * @see HttpTimestamper
40 */
41public interface Timestamper {
42
43    /*
44     * Connects to the TSA and requests a timestamp.
45     *
46     * @param tsQuery The timestamp query.
47     * @return The result of the timestamp query.
48     * @throws IOException The exception is thrown if a problem occurs while
49     *         communicating with the TSA.
50     */
51    public TSResponse generateTimestamp(TSRequest tsQuery) throws IOException;
52}
53