Source for org.w3c.dom.NodeList

   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>NodeList</code> interface provides the abstraction of an ordered 
  17:  * collection of nodes, without defining or constraining how this collection 
  18:  * is implemented. <code>NodeList</code> objects in the DOM are live.
  19:  * <p>The items in the <code>NodeList</code> are accessible via an integral 
  20:  * index, 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:  */
  23: public interface NodeList {
  24:     /**
  25:      * Returns the <code>index</code>th item in the collection. If 
  26:      * <code>index</code> is greater than or equal to the number of nodes in 
  27:      * the list, this returns <code>null</code>.
  28:      * @param index Index into the collection.
  29:      * @return The node at the <code>index</code>th position in the 
  30:      *   <code>NodeList</code>, or <code>null</code> if that is not a valid 
  31:      *   index.
  32:      */
  33:     public Node item(int index);
  34: 
  35:     /**
  36:      * The number of nodes in the list. The range of valid child node indices 
  37:      * is 0 to <code>length-1</code> inclusive.
  38:      */
  39:     public int getLength();
  40: 
  41: }