01 /*
02 * Copyright 2005 Sun Microsystems, Inc. All Rights Reserved.
03 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04 *
05 * This code is free software; you can redistribute it and/or modify it
06 * under the terms of the GNU General Public License version 2 only, as
07 * published by the Free Software Foundation. Sun designates this
08 * particular file as subject to the "Classpath" exception as provided
09 * 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 * $Id: XMLStructure.java,v 1.3 2005/05/10 15:47:42 mullan Exp $
27 */
28 package javax.xml.crypto;
29
30 /**
31 * A representation of an XML structure from any namespace. The purpose of
32 * this interface is to group (and provide type safety for) all
33 * representations of XML structures.
34 *
35 * @author Sean Mullan
36 * @author JSR 105 Expert Group
37 * @since 1.6
38 */
39 public interface XMLStructure {
40
41 /**
42 * Indicates whether a specified feature is supported.
43 *
44 * @param feature the feature name (as an absolute URI)
45 * @return <code>true</code> if the specified feature is supported,
46 * <code>false</code> otherwise
47 * @throws NullPointerException if <code>feature</code> is <code>null</code>
48 */
49 boolean isFeatureSupported(String feature);
50 }
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