forked from json-iterator/java
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathArrayWrapperAny.java
More file actions
179 lines (153 loc) · 4.02 KB
/
ArrayWrapperAny.java
File metadata and controls
179 lines (153 loc) · 4.02 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
package com.jsoniter.any;
import com.jsoniter.ValueType;
import com.jsoniter.output.JsonStream;
import java.io.IOException;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
class ArrayWrapperAny extends Any {
private final Object val;
private List<Any> cache;
public ArrayWrapperAny(Object val) {
this.val = val;
}
@Override
public ValueType valueType() {
return ValueType.ARRAY;
}
@Override
public Object object() {
fillCache();
return cache;
}
@Override
public boolean toBoolean() {
return size() != 0;
}
@Override
public int toInt() {
return size();
}
@Override
public long toLong() {
return size();
}
@Override
public float toFloat() {
return size();
}
@Override
public double toDouble() {
return size();
}
@Override
public String toString() {
if (cache == null) {
return JsonStream.serialize(val);
} else {
fillCache();
return JsonStream.serialize(cache);
}
}
@Override
public void writeTo(JsonStream stream) throws IOException {
if (cache == null) {
stream.writeVal(val);
} else {
fillCache();
stream.writeVal(cache);
}
}
@Override
public int size() {
return Array.getLength(val);
}
@Override
public Any get(int index) {
return fillCacheUntil(index);
}
@Override
public Any get(Object[] keys, int idx) {
if (idx == keys.length) {
return this;
}
Object key = keys[idx];
if (isWildcard(key)) {
fillCache();
ArrayList<Any> result = new ArrayList<Any>();
for (Any element : cache) {
Any mapped = element.get(keys, idx + 1);
if (mapped.valueType() != ValueType.INVALID) {
result.add(mapped);
}
}
return Any.rewrap(result);
}
try {
return fillCacheUntil((Integer) key).get(keys, idx + 1);
} catch (IndexOutOfBoundsException e) {
return new NotFoundAny(keys, idx, object());
} catch (ClassCastException e) {
return new NotFoundAny(keys, idx, object());
}
}
@Override
public Iterator<Any> iterator() {
return new WrapperIterator();
}
private Any fillCacheUntil(int index) {
if (cache == null) {
cache = new ArrayList<Any>();
}
if (index < cache.size()) {
return cache.get(index);
}
for (int i = cache.size(); i < size(); i++) {
Any element = Any.wrap(Array.get(val, i));
cache.add(element);
if (index == i) {
return element;
}
}
return new NotFoundAny(index, val);
}
private void fillCache() {
if (cache == null) {
cache = new ArrayList<Any>();
}
int size = size();
if (cache.size() == size) {
return;
}
for (int i = cache.size(); i < size; i++) {
Any element = Any.wrap(Array.get(val, i));
cache.add(element);
}
}
private class WrapperIterator implements Iterator<Any> {
private int index;
private final int size;
private WrapperIterator() {
size = size();
}
@Override
public boolean hasNext() {
return index < size;
}
@Override
public Any next() {
if (cache == null) {
cache = new ArrayList<Any>();
}
if (index == cache.size()) {
cache.add(Any.wrap(Array.get(val, index)));
}
return cache.get(index++);
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
}
}