package com.yjy.util
import com.google.common.base.Preconditions
import com.google.common.collect.Lists
import com.google.common.collect.Maps
import com.yjy.exception.ParamException
import org.apache.commons.collections.MapUtils
import javax.validation.ConstraintViolation
import javax.validation.Validation
import javax.validation.Validator
import javax.validation.ValidatorFactory
import java.util.*
public class BeanValidator {
private static ValidatorFactory validatorFactory = Validation.buildDefaultValidatorFactory()
public static <T> Map<String, String> validate(T t, Class... groups) {
Validator validator = validatorFactory.getValidator()
Set validateResult = validator.validate(t, groups)
if (validateResult.isEmpty()) {
return Collections.emptyMap()
} else {
LinkedHashMap errors = Maps.newLinkedHashMap()
Iterator iterator = validateResult.iterator()
while (iterator.hasNext()) {
ConstraintViolation violation = (ConstraintViolation) iterator.next()
errors.put(violation.getPropertyPath().toString(), violation.getMessage())
}
return errors
}
}
public static Map<String, String> validateList(Collection<?> collection) {
Preconditions.checkNotNull(collection)
Iterator iterator = collection.iterator()
Map errors
do {
if (!iterator.hasNext()) {
return Collections.emptyMap()
}
Object object = iterator.next()
errors = validate(object, new Class[0])
} while (errors.isEmpty())
return errors
}
public static Map<String, String> validateObject(Object first, Object... objects) {
if (objects != null && objects.length > 0) {
return validateList(Lists.asList(first, objects))
} else {
return validate(first, new Class[0])
}
}
public static void check(Object param) throws ParamException {
Map<String, String> map = BeanValidator.validateObject(param)
if (MapUtils.isNotEmpty(map)) {
throw new ParamException(map.toString())
}
}
}
package com.yjy.param;
import lombok.Getter;
import lombok.Setter;
import org.hibernate.validator.constraints.Length;
import org.hibernate.validator.constraints.NotBlank;
import javax.validation.constraints.Max;
import javax.validation.constraints.Min;
import javax.validation.constraints.NotNull;
@Getter
@Setter
public class UserParam {
private Integer id;
@NotBlank(message = "用户名不可以为空")
@Length(min = 1, max = 20, message = "用户名长度需要在20个字以内")
private String username;
@NotBlank(message = "电话不可以为空")
@Length(min = 1, max = 13, message = "电话长度需要在13个字以内")
private String telephone;
@NotBlank(message = "邮箱不允许为空")
@Length(min = 5, max = 50, message = "邮箱长度需要在50个字符以内")
private String mail;
@NotNull(message = "必须提供用户所在的部门")
private Integer deptId;
@NotNull(message = "必须指定用户的状态")
@Min(value = 0, message = "用户状态不合法")
@Max(value = 2, message = "用户状态不合法")
private Integer status;
@Length(min = 0, max = 200, message = "备注长度需要在200个字以内")
private String remark = "";
}