1 /* 2 * Copyright (c) 2004 World Wide Web Consortium, 3 * 4 * (Massachusetts Institute of Technology, European Research Consortium for 5 * Informatics and Mathematics, Keio University). All Rights Reserved. This 6 * work is distributed under the W3C(r) Software License [1] in the hope that 7 * it will be useful, but WITHOUT ANY WARRANTY; without even the implied 8 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 9 * 10 * [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231 11 */ 12 13 package org.w3c.dom; 14 15 /** 16 * The <code>DOMImplementationList</code> interface provides the abstraction 17 * of an ordered collection of DOM implementations, without defining or 18 * constraining how this collection is implemented. The items in the 19 * <code>DOMImplementationList</code> are accessible via an integral index, 20 * starting from 0. 21 * <p>See also the <a href='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407'>Document Object Model (DOM) Level 3 Core Specification</a>. 22 * @since DOM Level 3 23 */ 24 public interface DOMImplementationList { 25 /** 26 * Returns the <code>index</code>th item in the collection. If 27 * <code>index</code> is greater than or equal to the number of 28 * <code>DOMImplementation</code>s in the list, this returns 29 * <code>null</code>. 30 * @param index Index into the collection. 31 * @return The <code>DOMImplementation</code> at the <code>index</code> 32 * th position in the <code>DOMImplementationList</code>, or 33 * <code>null</code> if that is not a valid index. 34 */ 35 public DOMImplementation item(int index); 36 37 /** 38 * The number of <code>DOMImplementation</code>s in the list. The range 39 * of valid child node indices is 0 to <code>length-1</code> inclusive. 40 */ 41 public int getLength(); 42 43 } 44
