package com.kidgrow.common.controller;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.kidgrow.common.exception.BeanValidateException;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.collections4.CollectionUtils;
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import org.apache.commons.lang3.StringUtils;
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import org.modelmapper.ModelMapper;
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import org.springframework.beans.factory.annotation.Autowired;
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import javax.validation.ConstraintViolation;
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import javax.validation.Validator;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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/**
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* 石家庄喜高科技有限责任公司 版权所有 © Copyright 2020<br>
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*
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* @Description: 基类<br>
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* @Project: <br>
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* @CreateDate: Created in 2020/2/3 17:08 <br>
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* @Author: <a href="4345453@kidgrow.com">liuke</a>
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*/
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@Slf4j
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public class BaseController {
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@Autowired(required=false)
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private ModelMapper modelMapper;
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@Autowired
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private ObjectMapper objectMapper;
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@Autowired(required = false)
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private Validator validator;
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protected <T> T parseAndValidParams(String str, Class<T> clazz) {
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T dto = null;
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try {
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str = StringUtils.isBlank(str) ? "{}" : str;
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dto = objectMapper.readValue(str, clazz);
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} catch (IOException e) {
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throw new BeanValidateException("解析数据时发生错误");
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}
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if (validator != null) {
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Set<ConstraintViolation<T>> errors = null;
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try {
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errors = validator.validate(dto);
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} catch (Exception e) {
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log.error("参数校验异常", e);
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throw new BeanValidateException("解析数据时发生错误");
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}
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if (CollectionUtils.isNotEmpty(errors)) {
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Set<ConstraintViolation<?>> errorSet = new HashSet<>(errors);
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throw new BeanValidateException("参数不符合要求", errorSet);
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}
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}
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return dto;
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}
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protected <T> T parseParams(String str, Class<T> clazz) {
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T dto = null;
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try {
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str = StringUtils.isBlank(str) ? "{}" : str;
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dto = objectMapper.readValue(str, clazz);
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} catch (IOException e) {
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throw new BeanValidateException("解析数据时发生错误");
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}
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return dto;
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}
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protected <T> T map(Object data, Class<T> clazz) {
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return modelMapper.map(data, clazz);
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}
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protected <T> List<T> mapList(List<?> data, Class<T> clazz) {
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if (data == null) {
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return null;
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}
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List<T> result = new ArrayList<>(data.size());
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for (Object item : data) {
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result.add(modelMapper.map(item, clazz));
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}
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return result;
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}
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}
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