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Annotation of java/classes/org/w3c/util/ArrayEnumeration.java, revision 1.2

1.1       anto        1: // ArrayEnumeration.java
1.2     ! bmahe       2: // $Id: ArrayEnumeration.java,v 1.1 1996/08/05 18:37:03 anto Exp $
1.1       anto        3: // (c) COPYRIGHT MIT and INRIA, 1996.
                      4: // Please first read the full copyright statement in file COPYRIGHT.html
                      5: 
1.2     ! bmahe       6: package org.w3c.util ;
1.1       anto        7: 
                      8: import java.util.* ;
                      9: 
                     10: /** Iterates through array skipping nulls. */
                     11: public class ArrayEnumeration implements Enumeration {
                     12:     private int nelems ;
                     13:     private int elemCount ;
                     14:     private int arrayIdx ;
                     15:     private Object[] array ;
                     16: 
                     17:     public ArrayEnumeration(Object[] array) {
                     18:        this(array,array.length) ;
                     19:     }
                     20: 
                     21:     public ArrayEnumeration(Object[] array,int nelems) {
                     22:        arrayIdx = elemCount = 0 ;
                     23:        this.nelems = nelems ;
                     24:        this.array = array ;
                     25:     }
                     26: 
                     27:     public final boolean hasMoreElements() {
                     28:        return elemCount<nelems ;
                     29:     }
                     30: 
                     31:     public final Object nextElement() {
                     32:        while(array[arrayIdx]==null && arrayIdx<array.length)
                     33:            arrayIdx++ ;
                     34: 
                     35:        if(arrayIdx>=array.length)
                     36:            throw new NoSuchElementException() ;
                     37: 
                     38:        elemCount++; 
                     39:        return array[arrayIdx++] ;
                     40:     }
                     41: }