Java tutorial
/* * 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. */ /* * This file is available under and governed by the GNU General Public * License version 2 only, as published by the Free Software Foundation. * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * * Copyright (c) 2000 World Wide Web Consortium, * (Massachusetts Institute of Technology, Institut National de * Recherche en Informatique et en Automatique, Keio University). All * Rights Reserved. This program is distributed under the W3C's Software * Intellectual Property License. This program 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 W3C License http://www.w3.org/Consortium/Legal/ for more * details. */ package org.w3c.dom.html; import org.w3c.dom.Node; /** * An <code>HTMLCollection</code> is a list of nodes. An individual node may * be accessed by either ordinal index or the node's<code>name</code> or * <code>id</code> attributes. Note: Collections in the HTML DOM are assumed * to be live meaning that they are automatically updated when the * underlying document is changed. * <p>See also the <a href='http://www.w3.org/TR/2000/CR-DOM-Level-2-20000510'>Document Object Model (DOM) Level 2 Specification</a>. * * @since 1.4, DOM Level 2 */ public interface HTMLCollection { /** * This attribute specifies the length or size of the list. */ public int getLength(); /** * This method retrieves a node specified by ordinal index. Nodes are * numbered in tree order (depth-first traversal order). * @param index The index of the node to be fetched. The index origin is * 0. * @return The <code>Node</code> at the corresponding position upon * success. A value of <code>null</code> is returned if the index is * out of range. */ public Node item(int index); /** * This method retrieves a <code>Node</code> using a name. It first * searches for a <code>Node</code> with a matching <code>id</code> * attribute. If it doesn't find one, it then searches for a * <code>Node</code> with a matching <code>name</code> attribute, but * only on those elements that are allowed a name attribute. * @param name The name of the <code>Node</code> to be fetched. * @return The <code>Node</code> with a <code>name</code> or * <code>id</code> attribute whose value corresponds to the specified * string. Upon failure (e.g., no node with this name exists), returns * <code>null</code> . */ public Node namedItem(String name); }