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1
4 package com.tc.util;
5
6 import com.tc.object.SerializationUtil;
7 import com.tc.object.bytecode.ManagerUtil;
8
9 import java.util.List  ;
10 import java.util.ListIterator ;
11
12 public class ListIteratorWrapper implements ListIterator {
13
14 private final List list;
15 private final ListIterator realIterator;
16 private Object current;
17 private int currentIndex;
18
19 public ListIteratorWrapper(List list, ListIterator realIterator) {
20 this.list = list;
21 this.realIterator = realIterator;
22 this.currentIndex = -1;
23 }
24
25 public void add(Object arg0) {
26 ManagerUtil.checkWriteAccess(list);
27 currentIndex = nextIndex();
28 realIterator.add(arg0);
29 current = arg0;
30 ManagerUtil.logicalInvoke(list, SerializationUtil.ADD_AT_SIGNATURE,
31 new Object [] { new Integer (currentIndex), arg0 });
32 }
33
34 public boolean hasNext() {
35 return realIterator.hasNext();
36 }
37
38 public boolean hasPrevious() {
39 return realIterator.hasPrevious();
40 }
41
42 public Object next() {
43 currentIndex = nextIndex();
44 current = realIterator.next();
45 return current;
46 }
47
48 public int nextIndex() {
49 return realIterator.nextIndex();
50 }
51
52 public Object previous() {
53 currentIndex = previousIndex();
54 current = realIterator.previous();
55 return current;
56 }
57
58 public int previousIndex() {
59 return realIterator.previousIndex();
60 }
61
62 public void remove() {
63 ManagerUtil.checkWriteAccess(list);
64 realIterator.remove();
65 ManagerUtil.logicalInvoke(list, SerializationUtil.REMOVE_AT_SIGNATURE, new Object [] { new Integer (currentIndex) });
66 }
67
68 public void set(Object arg0) {
69 ManagerUtil.checkWriteAccess(list);
70 realIterator.set(arg0);
71 current = arg0;
72 ManagerUtil.logicalInvoke(list, SerializationUtil.SET_SIGNATURE,
73 new Object [] { new Integer (currentIndex), current });
74 }
75
76 }
77 |
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