RandomUtils.java
2.64 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
package cn.iocoder.dashboard.util;
import cn.hutool.core.util.ArrayUtil;
import cn.hutool.core.util.RandomUtil;
import cn.iocoder.dashboard.modules.system.dal.dataobject.user.SysUserDO;
import uk.co.jemos.podam.api.PodamFactory;
import uk.co.jemos.podam.api.PodamFactoryImpl;
import java.util.Arrays;
import java.util.Date;
import java.util.Set;
import java.util.function.Consumer;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* 随机工具类
*
* @author 芋道源码
*/
public class RandomUtils {
private static final int RANDOM_STRING_LENGTH = 10;
private static final int RANDOM_DATE_MAX = 30;
private static final int RANDOM_COLLECTION_LENGTH = 5;
private static final PodamFactory PODAM_FACTORY = new PodamFactoryImpl();
static {
// 字符串
PODAM_FACTORY.getStrategy().addOrReplaceTypeManufacturer(String.class,
(dataProviderStrategy, attributeMetadata, map) -> randomString());
// Boolean
PODAM_FACTORY.getStrategy().addOrReplaceTypeManufacturer(Boolean.class, (dataProviderStrategy, attributeMetadata, map) -> {
// 如果是 deleted 的字段，返回非删除
if (attributeMetadata.getAttributeName().equals("deleted")) {
return false;
}
return RandomUtil.randomBoolean();
});
}
public static String randomString() {
return RandomUtil.randomString(RANDOM_STRING_LENGTH);
}
public static Long randomLongId() {
return RandomUtil.randomLong(0, Long.MAX_VALUE);
}
public static Integer randomInteger() {
return RandomUtil.randomInt(0, Integer.MAX_VALUE);
}
public static Date randomDate() {
return RandomUtil.randomDay(0, RANDOM_DATE_MAX);
}
public static Short randomShort() {
return (short) RandomUtil.randomInt(0, Short.MAX_VALUE);
}
public static <T> Set<T> randomSet(Class<T> clazz) {
return Stream.iterate(0, i -> i).limit(RandomUtil.randomInt(0, RANDOM_DATE_MAX))
.map(i -> randomPojo(clazz)).collect(Collectors.toSet());
}
@SafeVarargs
public static SysUserDO randomUserDO(Consumer<SysUserDO>... consumers) {
return randomPojo(SysUserDO.class, consumers);
}
@SafeVarargs
public static <T> T randomPojo(Class<T> clazz, Consumer<T>... consumers) {
T pojo = PODAM_FACTORY.manufacturePojo(clazz);
// 非空时，回调逻辑。通过它，可以实现 Pojo 的进一步处理
if (ArrayUtil.isNotEmpty(consumers)) {
Arrays.stream(consumers).forEach(consumer -> consumer.accept(pojo));
}
return pojo;
}
}