wms/wms-center/src/main/java/com/lote/wms/config/HttpMsgConverter.java

package com.lote.wms.config;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.lote.wms.common.utils.JacksonUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;

import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;

/**
 * HTTP 请求响应消息转换
 * @author Scott Chen
 * @since 1.0
 * 2018-02-03
 */
@Configuration
public class HttpMsgConverter {
    private static final Logger logger = LoggerFactory.getLogger(HttpMsgConverter.class);

    @Autowired
    @Qualifier("customObjectMapper")
    ObjectMapper customObjectMapper;

    @Bean(name = "customObjectMapper")
    public ObjectMapper customObjectMapper(){
        return JacksonUtil.newObjectMapper();
    }

    /**
     * 扩展现有的消息转换器链表
     * 也可以继承并重写{@link org.springframework.web.servlet.config.annotation.WebMvcConfigurer#configureMessageConverters}方法
     * @return
     */
    @Bean
    public HttpMessageConverters httpMessageConverters() {
        List<HttpMessageConverter<?>> list = new ArrayList<>();
        list.add(httpMessageConverter());
        list.add(mappingJackson2HttpMessageConverter());

        logger.debug("--- 创建HttpMessageConverters Bean");
        return new HttpMessageConverters(list);
    }

    /**
     * jackson进行消息转换时,处理中文乱码
     * @return
     */
    @Bean
    public HttpMessageConverter httpMessageConverter() {
        StringHttpMessageConverter messageConverter = new StringHttpMessageConverter();
        messageConverter.setSupportedMediaTypes(mediaTypes());
        messageConverter.setDefaultCharset(Charset.forName("UTF-8"));
        return messageConverter;
    }

    /**
     * 处理中文乱码
     * @return
     */
    public List<MediaType> mediaTypes() {
        //处理中文乱码
        List<MediaType> list = new LinkedList();
        list.add(MediaType.TEXT_HTML);
        list.add(MediaType.APPLICATION_JSON);
        return list;
    }


    /**
     * HTTP 请求消息转换器
     * 处理Date日期类型,处理LocalDateTime日期类型
     * 使用<code>MappingJackson2HttpMessageConverter</code>类
     * @return
     */
    @Bean
    public MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter() {
        MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();
        messageConverter.setObjectMapper(customObjectMapper);
        messageConverter.setSupportedMediaTypes(mediaTypes());

        logger.debug("--- 创建MappingJackson2HttpMessageConverter Bean");
        return messageConverter;
    }


}