1/*
2 * Copyright (c) 2000, 2001, 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.provider.certpath;
27
28import java.io.IOException;
29import java.security.cert.CertificateException;
30import java.security.cert.X509Certificate;
31import java.security.cert.CertPathValidatorException;
32
33/**
34 * A specification of a PKIX validation state
35 * which is initialized by each build and updated each time a
36 * certificate is added to the current path.
37 *
38 * @since       1.4
39 * @author      Sean Mullan
40 * @author      Yassir Elley
41 */
42
43interface State extends Cloneable {
44
45    /**
46     * Update the state with the next certificate added to the path.
47     *
48     * @param cert the certificate which is used to update the state
49     */
50    public void updateState(X509Certificate cert)
51        throws CertificateException, IOException, CertPathValidatorException;
52
53    /**
54     * Creates and returns a copy of this object
55     */
56    public Object clone();
57
58    /**
59     * Returns a boolean flag indicating if the state is initial
60     * (just starting)
61     *
62     * @return boolean flag indicating if the state is initial (just starting)
63     */
64    public boolean isInitial();
65
66    /**
67     * Returns a boolean flag indicating if a key lacking necessary key
68     * algorithm parameters has been encountered.
69     *
70     * @return boolean flag indicating if key lacking parameters encountered.
71     */
72    public boolean keyParamsNeeded();
73}
74