1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
|
8 | |
|
9 | |
|
10 | |
|
11 | |
|
12 | |
|
13 | |
|
14 | |
|
15 | |
|
16 | |
|
17 | |
|
18 | |
|
19 | |
package org.apache.johnzon.mapper.reflection; |
20 | |
|
21 | |
import java.lang.reflect.ParameterizedType; |
22 | |
import java.lang.reflect.Type; |
23 | |
import java.util.Arrays; |
24 | |
|
25 | |
public class JohnzonParameterizedType implements ParameterizedType { |
26 | |
private final Type rawType; |
27 | |
private final Type[] types; |
28 | |
|
29 | 6 | public JohnzonParameterizedType(final Type raw, final Type... types) { |
30 | 6 | if (raw == null) { |
31 | 1 | final ParameterizedType userFinalType = findUserParameterizedType(); |
32 | 1 | this.rawType = userFinalType.getRawType(); |
33 | 1 | this.types = userFinalType.getActualTypeArguments(); |
34 | 1 | } else { |
35 | 5 | this.rawType = raw; |
36 | 5 | this.types = types; |
37 | |
} |
38 | 6 | } |
39 | |
|
40 | |
private ParameterizedType findUserParameterizedType() { |
41 | 1 | final Type genericSuperclass = getClass().getGenericSuperclass(); |
42 | 1 | if (!ParameterizedType.class.isInstance(genericSuperclass)) { |
43 | 0 | throw new IllegalArgumentException("raw can be null only for children classes"); |
44 | |
} |
45 | 1 | final ParameterizedType pt = ParameterizedType.class.cast(genericSuperclass); |
46 | |
|
47 | 1 | final Type userType = pt.getActualTypeArguments()[0]; |
48 | 1 | if (!ParameterizedType.class.isInstance(userType)) { |
49 | 0 | throw new IllegalArgumentException("You need to pass a parameterized type to Johnzon*Types"); |
50 | |
} |
51 | |
|
52 | 1 | return ParameterizedType.class.cast(userType); |
53 | |
} |
54 | |
|
55 | |
@Override |
56 | |
public Type[] getActualTypeArguments() { |
57 | 6 | return types.clone(); |
58 | |
} |
59 | |
|
60 | |
@Override |
61 | |
public Type getOwnerType() { |
62 | 0 | return null; |
63 | |
} |
64 | |
|
65 | |
@Override |
66 | |
public Type getRawType() { |
67 | 6 | return rawType; |
68 | |
} |
69 | |
|
70 | |
@Override |
71 | |
public int hashCode() { |
72 | 17 | return Arrays.hashCode(types) ^ (rawType == null ? 0 : rawType.hashCode()); |
73 | |
} |
74 | |
|
75 | |
@Override |
76 | |
public boolean equals(final Object obj) { |
77 | 0 | if (this == obj) { |
78 | 0 | return true; |
79 | 0 | } else if (obj instanceof ParameterizedType) { |
80 | 0 | final ParameterizedType that = (ParameterizedType) obj; |
81 | 0 | final Type thatRawType = that.getRawType(); |
82 | 0 | return that.getOwnerType() == null |
83 | 0 | && (rawType == null ? thatRawType == null : rawType.equals(thatRawType)) |
84 | 0 | && Arrays.equals(types, that.getActualTypeArguments()); |
85 | |
} else { |
86 | 0 | return false; |
87 | |
} |
88 | |
} |
89 | |
|
90 | |
@Override |
91 | |
public String toString() { |
92 | 0 | final StringBuilder buffer = new StringBuilder(); |
93 | 0 | buffer.append(((Class<?>) rawType).getSimpleName()); |
94 | 0 | final Type[] actualTypes = getActualTypeArguments(); |
95 | 0 | if (actualTypes.length > 0) { |
96 | 0 | buffer.append("<"); |
97 | 0 | int length = actualTypes.length; |
98 | 0 | for (int i = 0; i < length; i++) { |
99 | 0 | buffer.append(actualTypes[i].toString()); |
100 | 0 | if (i != actualTypes.length - 1) { |
101 | 0 | buffer.append(","); |
102 | |
} |
103 | |
} |
104 | |
|
105 | 0 | buffer.append(">"); |
106 | |
} |
107 | 0 | return buffer.toString(); |
108 | |
} |
109 | |
} |