1 /*
2 * Copyright 2000-2005 Sun Microsystems, Inc. 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. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package javax.xml.transform;
27
28 /**
29 * <p>An object that implements this interface that can be called by the processor
30 * to turn a URI used in document(), xsl:import, or xsl:include into a Source object.
31 */
32 public interface URIResolver {
33
34 /**
35 * Called by the processor when it encounters
36 * an xsl:include, xsl:import, or document() function.
37 *
38 * @param href An href attribute, which may be relative or absolute.
39 * @param base The base URI against which the first argument will be made
40 * absolute if the absolute URI is required.
41 *
42 * @return A Source object, or null if the href cannot be resolved,
43 * and the processor should try to resolve the URI itself.
44 *
45 * @throws TransformerException if an error occurs when trying to
46 * resolve the URI.
47 */
48 public Source resolve(String href, String base)
49 throws TransformerException;
50 }
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