/*

 * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * $Id: XMLStructure.java,v 1.3 2005/05/10 15:47:42 mullan Exp $

 */

package javax.xml.crypto;

/**

 * A representation of an XML structure from any namespace. The purpose of

 * this interface is to group (and provide type safety for) all

 * representations of XML structures.

 *

 * @author Sean Mullan

 * @author JSR 105 Expert Group

 * @since 1.6

 */

public interface XMLStructure {

    /**

     * Indicates whether a specified feature is supported.

     *

     * @param feature the feature name (as an absolute URI)

     * @return <code>true</code> if the specified feature is supported,

     *    <code>false</code> otherwise

     * @throws NullPointerException if <code>feature</code> is <code>null</code>

     */

    boolean isFeatureSupported(String feature);

}