自定义JSR-303验证

package com.example.demo.Valid;

import org.hibernate.validator.HibernateValidator;

import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;

/**
 * 参数校验工具类
 * NOTE： 具体使用参照测试类
 * @since 2019/5/7
 */
public class ValidationUtil {
    /**
     * 开启快速结束模式 failFast (true)
     */
    private static Validator failFastValidator = Validation.byProvider(HibernateValidator.class)
            .configure()
            .failFast(true)
            .buildValidatorFactory().getValidator();

    /**
     * 全部校验
     */
    private static Validator validator = Validation.buildDefaultValidatorFactory().getValidator();


    private ValidationUtil() {
    }

    /**
     * 注解验证参数(快速失败模式)
     *
     * @param obj
     */
    public static <T> ValidResult fastFailValidate(T obj) {
        Set<ConstraintViolation<T>> constraintViolations = failFastValidator.validate(obj);
        //返回异常result
        if (constraintViolations.size() > 0) {
            return ValidResult.fail(constraintViolations.iterator().next().getPropertyPath().toString(), constraintViolations.iterator().next().getMessage());
        }
        return ValidResult.success();
    }

    public static <T> ValidResult fastFailValidate(T obj,Class<?> ...clazz) {
        Set<ConstraintViolation<T>> constraintViolations = failFastValidator.validate(obj,clazz);
        //返回异常result
        if (constraintViolations.size() > 0) {
            return ValidResult.fail(constraintViolations.iterator().next().getPropertyPath().toString(), constraintViolations.iterator().next().getMessage());
        }
        return ValidResult.success();
    }

    /**
     * 注解验证参数(全部校验)
     *
     * @param obj
     */
    public static <T> ValidResult allCheckValidate(T obj) {
        Set<ConstraintViolation<T>> constraintViolations = validator.validate(obj);
        //返回异常result
        if (constraintViolations.size() > 0) {
            List<String> errorMessages = new LinkedList<String>();
            Iterator<ConstraintViolation<T>> iterator = constraintViolations.iterator();
            while (iterator.hasNext()) {
                ConstraintViolation<T> violation = iterator.next();
                errorMessages.add(String.format("%s:%s", violation.getPropertyPath().toString(), violation.getMessage()));
            }
            return ValidResult.fail(errorMessages);
        }
        return ValidResult.success();
    }

    public static <T> ValidResult allCheckValidate(T obj,Class<?> ...clazz) {
        Set<ConstraintViolation<T>> constraintViolations = validator.validate(obj,clazz);
        //返回异常result
        if (constraintViolations.size() > 0) {
            List<String> errorMessages = new LinkedList<String>();
            Iterator<ConstraintViolation<T>> iterator = constraintViolations.iterator();
            while (iterator.hasNext()) {
                ConstraintViolation<T> violation = iterator.next();
                errorMessages.add(String.format("%s:%s", violation.getPropertyPath().toString(), violation.getMessage()));
            }
            // todo 这里转化成 异常抛出
            return ValidResult.fail(errorMessages);
        }
        return ValidResult.success();
    }


    public static <T> void allCheckValidate(Object[] objs, Class<?> ...clazz) throws Exception {
        if(objs.length > 0 && clazz.length > 0) {
            for (Object obj: objs) {
                ValidResult result =  ValidationUtil.allCheckValidate(obj,clazz);
                if (!result.isSuccess()) {
                    throw new Exception(result.getMsg());
                }
            }
        }
    }

}