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1
3 package org.jmock.expectation;
4
5 import java.lang.reflect.Array  ;
6 import java.util.Map ;
7
8
9
13
14 public class MapEntry implements Map.Entry
15 {
16 private Object myKey;
17 private Object myValue;
18
19 public MapEntry( Object aKey, Object aValue ) {
20 myKey = (aKey == null ? new Null() : aKey);
21 myValue = (aValue == null ? new Null() : aValue);
22 }
23
24 public boolean equals( Object o ) {
25 if (!(o instanceof MapEntry)) {
26 return false;
27 }
28 MapEntry other = (MapEntry)o;
29
30 if (myValue.getClass().isArray() && other.getValue().getClass().isArray()) {
31 return arrayEquals(other.getValue());
32 }
33 return myKey.equals(other.getKey()) && myValue.equals(other.getValue());
34 }
35
36 private final boolean arrayEquals( Object anArray ) {
37 int i = 0;
38 boolean endOfThisArray = false;
39 boolean endOfAnotherArray = false;
40
41 while (true) {
42 Object valueOfThis = null;
43 Object valueOfAnother = null;
44
45 try {
46 valueOfThis = Array.get(myValue, i);
47 }
48 catch (ArrayIndexOutOfBoundsException e) {
49 endOfThisArray = true;
50 }
51
52 try {
53 valueOfAnother = Array.get(anArray, i);
54 }
55 catch (ArrayIndexOutOfBoundsException e) {
56 endOfAnotherArray = true;
57 }
58
59 if (endOfThisArray && endOfAnotherArray) {
60 return true;
61 }
62
63 if (valueOfThis != null || valueOfAnother != null) {
64 if (valueOfThis == null || !valueOfThis.equals(valueOfAnother)) {
65 return false;
66 }
67 }
68
69 i++;
70 }
71 }
72
73 public Object getKey() {
74 return myKey;
75 }
76
77 public Object getValue() {
78 return myValue;
79 }
80
81 public int hashCode() {
82 int hash = myKey.hashCode();
83
84 if (myValue.getClass().isArray()) {
85 for (int i = 0; i < Array.getLength(myValue); i++) {
86 hash = hash ^ Array.get(myValue, i).hashCode();
87 }
88 } else {
89 hash = hash ^ myValue.hashCode();
90 }
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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