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17 package org.apache.commons.jexl.util;
18
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20 import java.util.Iterator;
21 import java.util.Enumeration;
22
23 /***
24 * An Iterator wrapper for an Enumeration.
25 *
26 * @since 1.0
27 * @author <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a>
28 * @version $Id: EnumerationIterator.java 398330 2006-04-30 12:52:35Z dion $
29 */
30 public class EnumerationIterator implements Iterator {
31 /***
32 * The enumeration to iterate over.
33 */
34 private final Enumeration enumeration;
35
36 /***
37 * Creates a new iteratorwrapper instance for the specified
38 * Enumeration.
39 *
40 * @param enumer The Enumeration to wrap.
41 */
42 public EnumerationIterator(Enumeration enumer) {
43 enumeration = enumer;
44 }
45
46 /***
47 * Move to next element in the array.
48 *
49 * @return The next object in the array.
50 */
51 public Object next() {
52 return enumeration.nextElement();
53 }
54
55 /***
56 * Check to see if there is another element in the array.
57 *
58 * @return Whether there is another element.
59 */
60 public boolean hasNext() {
61 return enumeration.hasMoreElements();
62 }
63
64 /***
65 * Unimplemented. No analogy in Enumeration
66 */
67 public void remove() {
68
69 }
70
71 }