-
Notifications
You must be signed in to change notification settings - Fork 14
/
EmptyUtils.kt
71 lines (66 loc) · 1.7 KB
/
EmptyUtils.kt
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
package com.excellence.basetoolslibrary.utils
import android.os.Build
import android.util.SparseArray
import android.util.SparseBooleanArray
import android.util.SparseIntArray
import android.util.SparseLongArray
import java.lang.reflect.Array
/**
* <pre>
* author : VeiZhang
* blog : https://veizhang.github.io/
* time : 2017/1/24
* desc : 判断空相关工具类
* </pre>
*/
object EmptyUtils {
/**
* 判断对象是否为空
*
* @param obj 对象
* @return `true`: 为空<br>`false`: 不为空
*/
@JvmStatic
fun isEmpty(obj: Any?): Boolean {
if (obj == null) {
return true
}
if (obj is String && obj.toString().isEmpty()) {
return true
}
if (obj.javaClass.isArray && Array.getLength(obj) == 0) {
return true
}
if (obj is Collection<*> && obj.isEmpty()) {
return true
}
if (obj is Map<*, *> && obj.isEmpty()) {
return true
}
if (obj is SparseArray<*> && obj.size() == 0) {
return true
}
if (obj is SparseBooleanArray && obj.size() == 0) {
return true
}
if (obj is SparseIntArray && obj.size() == 0) {
return true
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
if (obj is SparseLongArray && obj.size() == 0) {
return true
}
}
return false
}
/**
* 判断对象是否非空
*
* @param obj 对象
* @return `true`: 非空<br>`false`: 空
*/
@JvmStatic
fun isNotEmpty(obj: Any?): Boolean {
return !isEmpty(obj)
}
}