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1 package com.mockobjects;
2
3 import com.mockobjects.util.Null;
4
5 import java.lang.reflect.Array  ;
6 import java.util.Map ;
7
8
12
13 public class MapEntry implements Map.Entry {
14 private Object myKey;
15 private Object myValue;
16
17 public MapEntry(Object aKey, Object aValue) {
18 myKey = (aKey == null ? new Null() : aKey);
19 myValue = (aValue == null ? new Null() : aValue);
20 }
21
22 public boolean equals(Object o) {
23 if (!(o instanceof MapEntry)) {
24 return false;
25 }
26 MapEntry other = (MapEntry) o;
27
28 if (myValue.getClass().isArray() && other.getValue().getClass().isArray()) {
29 return arrayEquals(other.getValue());
30 } else {
31 return myKey.equals(other.getKey()) && myValue.equals(other.getValue());
32 }
33 }
34
35 private final boolean arrayEquals(Object anArray) {
36 int i = 0;
37 boolean endOfThisArray = false;
38 boolean endOfAnotherArray = false;
39
40 while (true) {
41 Object valueOfThis = null;
42 Object valueOfAnother = null;
43
44 try {
45 valueOfThis = Array.get(myValue, i);
46 } catch (ArrayIndexOutOfBoundsException e) {
47 endOfThisArray = true;
48 }
49
50 try {
51 valueOfAnother = Array.get(anArray, i);
52 } catch (ArrayIndexOutOfBoundsException e) {
53 endOfAnotherArray = true;
54 }
55
56 if (endOfThisArray && endOfAnotherArray) {
57 return true;
58 }
59
60 if (valueOfThis != null || valueOfAnother != null) {
61 if (valueOfThis == null || !valueOfThis.equals(valueOfAnother)) {
62 return false;
63 }
64 }
65
66 i++;
67 }
68 }
69
70 public Object getKey() {
71 return myKey;
72 }
73
74 public Object getValue() {
75 return myValue;
76 }
77
78 public int hashCode() {
79 int hash = myKey.hashCode();
80 if (myValue.getClass().isArray()) {
81 int i = 0;
82
83 try {
84 while (true) {
85 hash = hash ^ Array.get(myValue, i++).hashCode();
86 }
87 } catch (ArrayIndexOutOfBoundsException e) {
88 }
89 } else {
90 hash = hash ^ myValue.hashCode();
91 }
92 return hash;
93 }
94
95 public Object setValue(Object aValue) {
96 Object oldValue = myValue;
97 myValue = (null == aValue ? new Null() : aValue);
98 return oldValue;
99 }
100
101 public String toString() {
102 return myKey.toString() + "=" + myValue.toString();
103 }
104 }
105 |
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