com.paas.service.impl.MethodArgumentNotValidExceptionResolveImpl Maven / Gradle / Ivy

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package com.paas.service.impl;

import com.alibaba.fastjson.JSON;
import com.paas.bean.vo.ResponseVO;
import com.paas.service.HandlerResolveException;
import org.springframework.http.HttpStatus;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.MethodArgumentNotValidException;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

/**
 * @ClassName MethodArgumentNotValidExceptionResolveImpl
 * @Date 2021/2/2 13:44
 * @Auther wangyongyong
 * @Version 1.0
 * @Description TODO
 */
public class MethodArgumentNotValidExceptionResolveImpl implements HandlerResolveException
{
    @Override
    public Class supportException(Object handler)
    {
        return MethodArgumentNotValidException.class;
    }

    @Override
    public Map doResolveException(MethodArgumentNotValidException ex)
    {
        BindingResult bindingResult = ex.getBindingResult();
        if (bindingResult.hasErrors())
        {
            ResponseVO> vo = new ResponseVO<>();
            List messages = new ArrayList<>();
            vo.setStatus(HttpStatus.BAD_REQUEST.value());
            vo.setMessage(HttpStatus.BAD_REQUEST.getReasonPhrase());
            List fieldErrors = bindingResult.getFieldErrors();
            fieldErrors.forEach(fieldError ->
            {
                messages.add(fieldError.getDefaultMessage());
            });
            vo.setData(messages);
            Map map = JSON.parseObject(JSON.toJSONString(vo), Map.class);
            return map;
        }
        return null;
    }

    @Override
    public int getOrder()
    {
        return LOWEST_PRECEDENCE;
    }
}