com.github.anonymousmister.bootfastconfig.config.WebMvcHandlerMethodConf Maven / Gradle / Ivy

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package com.github.anonymousmister.bootfastconfig.config;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter;

import java.util.LinkedList;
import java.util.List;

import static com.github.anonymousmister.bootfastconfig.constant.BeanNameConstant.JSON_PARAM_ARGUMENT_RESOLVER;

/**
 * @author admin
 * @title: WebMvc
 * @projectName demo
 * @description: 初始化 参数解析配置
 * @date 2019/7/115:57
 */
@Component
public class WebMvcHandlerMethodConf implements ApplicationContextAware {

    @Qualifier(JSON_PARAM_ARGUMENT_RESOLVER)
    @Autowired
    private HandlerMethodArgumentResolver jsonParamArgumentResolver;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        LinkedList handlerResolvers = new LinkedList<>();
        RequestMappingHandlerAdapter bean = applicationContext.getBean(RequestMappingHandlerAdapter.class);
        List argumentResolvers = bean.getArgumentResolvers();
        argumentResolvers.stream().forEach(handlerResolvers::add);
        handlerResolvers.addFirst(jsonParamArgumentResolver);
        bean.setArgumentResolvers(handlerResolvers);
    }


}