/*
 * Copyright 2005 Sun Microsystems, Inc.  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.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.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);
}