blob: ee6000c172ef0cfdd6843bd5d8ab1c38f6215a41 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/*******************************************************************************
* Copyright (c) 2005, 2009 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0, which accompanies this distribution
* and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Contributors:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.common.utility.internal.enumerations;
import java.util.Enumeration;
import java.util.Iterator;
import org.eclipse.jpt.common.utility.internal.StringTools;
/**
* An <code>IteratorEnumeration</code> wraps an
* {@link Iterator} so that it can be treated like an
* {@link Enumeration}.
* Hopefully we don't have much need for this....
*
* @param <E> the type of elements returned by the enumeration
*/
public class IteratorEnumeration<E>
implements Enumeration<E>
{
private final Iterator<? extends E> iterator;
/**
* Construct an enumeration that wraps the specified iterable.
*/
public IteratorEnumeration(Iterable<? extends E> iterable) {
this(iterable.iterator());
}
/**
* Construct an enumeration that wraps the specified iterator.
*/
public IteratorEnumeration(Iterator<? extends E> iterator) {
super();
this.iterator = iterator;
}
public boolean hasMoreElements() {
return this.iterator.hasNext();
}
public E nextElement() {
return this.iterator.next();
}
@Override
public String toString() {
return StringTools.buildToStringFor(this, this.iterator);
}
}
|