/* * 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: NodeSetData.java,v 1.5 2005/05/10 15:47:42 mullan Exp $ */package javax.xml.crypto; import java.util.Iterator; /** * An abstract representation of a <code>Data</code> type containing a * node-set. The type (class) and ordering of the nodes contained in the set * are not defined by this class; instead that behavior should be * defined by <code>NodeSetData</code> subclasses. * * @author Sean Mullan * @author JSR 105 Expert Group * @since 1.6 */public interface NodeSetData extends Data {     /**     * Returns a read-only iterator over the nodes contained in this     * <code>NodeSetData</code> in     * <a href="http://www.w3.org/TR/1999/REC-xpath-19991116#dt-document-order">     * document order</a>. Attempts to modify the returned iterator     * via the <code>remove</code> method throw     * <code>UnsupportedOperationException</code>.     *     * @return an <code>Iterator</code> over the nodes in this     *    <code>NodeSetData</code> in document order     */    Iterator iterator();}