/*
|
* Copyright [2020-2030] [https://www.stylefeng.cn]
|
*
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
* you may not use this file except in compliance with the License.
|
* You may obtain a copy of the License at
|
*
|
* http://www.apache.org/licenses/LICENSE-2.0
|
*
|
* Unless required by applicable law or agreed to in writing, software
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
* See the License for the specific language governing permissions and
|
* limitations under the License.
|
*
|
* Guns采用APACHE LICENSE 2.0开源协议，您在使用过程中，需要注意以下几点：
|
*
|
* 1.请不要删除和修改根目录下的LICENSE文件。
|
* 2.请不要删除和修改Guns源码头部的版权声明。
|
* 3.请保留源码和相关描述文件的项目出处，作者声明等。
|
* 4.分发源码时候，请注明软件出处 https://gitee.com/stylefeng/guns
|
* 5.在修改包名，模块名称，项目代码等时，请注明软件出处 https://gitee.com/stylefeng/guns
|
* 6.若您的项目无法满足以上几点，可申请商业授权
|
*/
|
package cn.stylefeng.roses.kernel.wrapper;
|
|
import cn.hutool.core.bean.BeanUtil;
|
import cn.hutool.core.util.ArrayUtil;
|
import cn.hutool.core.util.ObjectUtil;
|
import cn.stylefeng.roses.kernel.db.api.pojo.page.PageResult;
|
import cn.stylefeng.roses.kernel.rule.pojo.response.ResponseData;
|
import cn.stylefeng.roses.kernel.rule.util.ObjectConvertUtil;
|
import cn.stylefeng.roses.kernel.wrapper.api.BaseWrapper;
|
import cn.stylefeng.roses.kernel.wrapper.api.annotation.Wrapper;
|
import cn.stylefeng.roses.kernel.wrapper.api.exception.WrapperException;
|
import cn.stylefeng.roses.kernel.wrapper.api.exception.enums.WrapperExceptionEnum;
|
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
|
import lombok.extern.slf4j.Slf4j;
|
import org.aspectj.lang.ProceedingJoinPoint;
|
import org.aspectj.lang.annotation.Around;
|
import org.aspectj.lang.annotation.Aspect;
|
import org.aspectj.lang.annotation.Pointcut;
|
import org.aspectj.lang.reflect.MethodSignature;
|
|
import java.lang.reflect.Method;
|
import java.util.ArrayList;
|
import java.util.Collection;
|
import java.util.Map;
|
|
/**
|
* controller结果包装的aop
|
*
|
* @author fengshuonan
|
* @date 2020/7/24 17:42
|
*/
|
@Aspect
|
@Slf4j
|
public class WrapperAop {
|
|
/**
|
* 切入点
|
*
|
* @author fengshuonan
|
* @date 2020/7/24 17:42
|
*/
|
@Pointcut("@annotation(cn.stylefeng.roses.kernel.wrapper.api.annotation.Wrapper)")
|
private void wrapperPointcut() {
|
}
|
|
/**
|
* 执行具体的包装过程
|
*
|
* @author fengshuonan
|
* @date 2020/7/24 17:44
|
*/
|
@Around("wrapperPointcut()")
|
public Object doWrapper(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {
|
|
// 直接执行原有业务逻辑
|
Object proceedResult = proceedingJoinPoint.proceed();
|
|
return processWrapping(proceedingJoinPoint, proceedResult);
|
}
|
|
/**
|
* 具体包装过程
|
*
|
* @author fengshuonan
|
* @date 2020/7/24 17:53
|
*/
|
@SuppressWarnings("all")
|
private Object processWrapping(ProceedingJoinPoint proceedingJoinPoint, Object originResult) throws IllegalAccessException, InstantiationException {
|
|
// 获取@Wrapper注解
|
MethodSignature methodSignature = (MethodSignature) proceedingJoinPoint.getSignature();
|
Method method = methodSignature.getMethod();
|
Wrapper wrapperAnnotation = method.getAnnotation(Wrapper.class);
|
|
// 获取注解上的处理类
|
Class<? extends BaseWrapper<?>>[] baseWrapperClasses = wrapperAnnotation.value();
|
|
// 如果注解上的为空直接返回
|
if (ObjectUtil.isEmpty(baseWrapperClasses)) {
|
return originResult;
|
}
|
|
// 获取原有返回结果，如果不是ResponseData则不进行处理(需要遵守这个约定)
|
if (!(originResult instanceof ResponseData)) {
|
log.warn("当前请求的返回结果不是ResponseData类型，直接返回原值！");
|
return originResult;
|
}
|
|
// 获取ResponseData中的值
|
ResponseData responseData = (ResponseData) originResult;
|
Object beWrapped = responseData.getData();
|
|
// 如果是基本类型，不进行加工处理
|
if (ObjectUtil.isBasicType(beWrapped)) {
|
throw new WrapperException(WrapperExceptionEnum.BASIC_TYPE_ERROR);
|
}
|
|
// 如果是Page类型
|
if (beWrapped instanceof Page) {
|
|
// 获取Page原有对象
|
Page page = (Page) beWrapped;
|
|
// 将page中所有records都包装一遍
|
ArrayList<Map<String, Object>> maps = new ArrayList<>();
|
for (Object wrappedItem : page.getRecords()) {
|
maps.add(this.wrapPureObject(wrappedItem, baseWrapperClasses));
|
}
|
|
page.setRecords(maps);
|
responseData.setData(page);
|
}
|
|
// 如果是PageResult类型
|
else if (beWrapped instanceof PageResult) {
|
|
// 获取PageResult原有对象
|
PageResult pageResult = (PageResult) beWrapped;
|
|
// 将PageResult中所有rows都包装一遍
|
ArrayList<Map<String, Object>> maps = new ArrayList<>();
|
for (Object wrappedItem : pageResult.getRows()) {
|
maps.add(this.wrapPureObject(wrappedItem, baseWrapperClasses));
|
}
|
|
pageResult.setRows(maps);
|
responseData.setData(pageResult);
|
}
|
|
// 如果是List类型
|
else if (beWrapped instanceof Collection) {
|
|
// 获取原有的List
|
Collection collection = (Collection) beWrapped;
|
|
// 将page中所有records都包装一遍
|
ArrayList<Map<String, Object>> maps = new ArrayList<>();
|
for (Object wrappedItem : collection) {
|
maps.add(this.wrapPureObject(wrappedItem, baseWrapperClasses));
|
}
|
|
responseData.setData(maps);
|
}
|
|
// 如果是Array类型
|
else if (ArrayUtil.isArray(beWrapped)) {
|
|
// 获取原有的Array
|
Object[] objects = ObjectConvertUtil.objToArray(beWrapped);
|
|
// 将array中所有records都包装一遍
|
ArrayList<Map<String, Object>> maps = new ArrayList<>();
|
for (Object wrappedItem : objects) {
|
maps.add(this.wrapPureObject(wrappedItem, baseWrapperClasses));
|
}
|
|
responseData.setData(maps);
|
}
|
|
// 如果是Object类型
|
else {
|
responseData.setData(this.wrapPureObject(beWrapped, baseWrapperClasses));
|
}
|
|
|
return responseData;
|
}
|
|
/**
|
* 原始对象包装成一个map的过程
|
* <p>
|
* 期间多次根据BaseWrapper接口方法执行包装过程
|
*
|
* @author fengshuonan
|
* @date 2020/7/24 21:40
|
*/
|
@SuppressWarnings("all")
|
private Map<String, Object> wrapPureObject(Object originModel, Class<? extends BaseWrapper<?>>[] baseWrapperClasses) {
|
|
// 首先将原始的对象转化为map
|
Map<String, Object> originMap = BeanUtil.beanToMap(originModel);
|
|
// 经过多个包装类填充属性
|
try {
|
for (Class<? extends BaseWrapper<?>> baseWrapperClass : baseWrapperClasses) {
|
BaseWrapper baseWrapper = baseWrapperClass.newInstance();
|
Map<String, Object> incrementFieldsMap = baseWrapper.doWrap(originModel);
|
originMap.putAll(incrementFieldsMap);
|
}
|
} catch (Exception e) {
|
log.error("原始对象包装过程，字段转化异常：{}", e.getMessage());
|
throw new WrapperException(WrapperExceptionEnum.TRANSFER_ERROR, e.getMessage());
|
}
|
|
return originMap;
|
}
|
|
}
|
