package com.iailab.framework.common.validation;
|
|
import com.iailab.framework.common.core.IntArrayValuable;
|
|
import javax.validation.ConstraintValidator;
|
import javax.validation.ConstraintValidatorContext;
|
import java.util.Arrays;
|
import java.util.Collections;
|
import java.util.List;
|
import java.util.stream.Collectors;
|
|
public class InEnumValidator implements ConstraintValidator<InEnum, Integer> {
|
|
private List<Integer> values;
|
|
@Override
|
public void initialize(InEnum annotation) {
|
IntArrayValuable[] values = annotation.value().getEnumConstants();
|
if (values.length == 0) {
|
this.values = Collections.emptyList();
|
} else {
|
this.values = Arrays.stream(values[0].array()).boxed().collect(Collectors.toList());
|
}
|
}
|
|
@Override
|
public boolean isValid(Integer value, ConstraintValidatorContext context) {
|
// 为空时,默认不校验,即认为通过
|
if (value == null) {
|
return true;
|
}
|
// 校验通过
|
if (values.contains(value)) {
|
return true;
|
}
|
// 校验不通过,自定义提示语句(因为,注解上的 value 是枚举类,无法获得枚举类的实际值)
|
context.disableDefaultConstraintViolation(); // 禁用默认的 message 的值
|
context.buildConstraintViolationWithTemplate(context.getDefaultConstraintMessageTemplate()
|
.replaceAll("\\{value}", values.toString())).addConstraintViolation(); // 重新添加错误提示语句
|
return false;
|
}
|
|
}
|