1 /*
2 * File: ImmutableListIterator.java
3 * Created: 11-čen-06 7:54:52
4 *
5 * Copyright 2006 Michal Burda.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21 package net.sf.webmancer.util.immutable;
22
23 import java.util.ListIterator;
24
25 /**
26 * @author Michal Burda
27 * @param <T>
28 */
29 public final class ImmutableListIterator<T> implements ListIterator<T> {
30 /**
31 *
32 */
33 private ListIterator<? extends T> iterator;
34
35 /**
36 * @param iterator
37 */
38 public ImmutableListIterator(final ListIterator<? extends T> iterator) {
39 super();
40 this.iterator = iterator;
41 }
42
43 /**
44 * @see java.util.ListIterator#hasNext()
45 */
46 public boolean hasNext() {
47 return this.iterator.hasNext();
48 }
49
50 /**
51 * @see java.util.ListIterator#next()
52 */
53 public T next() {
54 return this.iterator.next();
55 }
56
57 /**
58 * @see java.util.ListIterator#hasPrevious()
59 */
60 public boolean hasPrevious() {
61 return this.iterator.hasPrevious();
62 }
63
64 /**
65 * @see java.util.ListIterator#previous()
66 */
67 public T previous() {
68 return this.iterator.previous();
69 }
70
71 /**
72 * @see java.util.ListIterator#nextIndex()
73 */
74 public int nextIndex() {
75 return this.iterator.nextIndex();
76 }
77
78 /**
79 * @see java.util.ListIterator#previousIndex()
80 */
81 public int previousIndex() {
82 return this.iterator.previousIndex();
83 }
84
85 /**
86 * @see java.util.ListIterator#remove()
87 */
88 public void remove() {
89 throw new UnsupportedOperationException("ImmutableListIterator.remove");
90 }
91
92 /**
93 * @see java.util.ListIterator#set(E)
94 */
95 public void set(final T o) {
96 throw new UnsupportedOperationException("ImmutableListIterator.set");
97 }
98
99 /**
100 * @see java.util.ListIterator#add(E)
101 */
102 public void add(final T o) {
103 throw new UnsupportedOperationException("ImmutableListIterator.add");
104 }
105
106 }