1/*
2 * Copyright (c) 2005, 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/*
26 * $Id: URIReference.java,v 1.4 2005/05/10 15:47:42 mullan Exp $
27 */
28package javax.xml.crypto;
29
30/**
31 * Identifies a data object via a URI-Reference, as specified by
32 * <a href="http://www.ietf.org/rfc/rfc2396.txt">RFC 2396</a>.
33 *
34 * <p>Note that some subclasses may not have a <code>type</code> attribute
35 * and for objects of those types, the {@link #getType} method always returns
36 * <code>null</code>.
37 *
38 * @author Sean Mullan
39 * @author JSR 105 Expert Group
40 * @since 1.6
41 * @see URIDereferencer
42 */
43public interface URIReference {
44
45    /**
46     * Returns the URI of the referenced data object.
47     *
48     * @return the URI of the data object in RFC 2396 format (may be
49     *    <code>null</code> if not specified)
50     */
51    String getURI();
52
53    /**
54     * Returns the type of data referenced by this URI.
55     *
56     * @return the type (a URI) of the data object (may be <code>null</code>
57     *    if not specified)
58     */
59    String getType();
60}
61