Source for org.w3c.dom.DOMImplementationList

   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: }