package com.softdev.system.demo.config;

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

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.StringHttpMessageConverter;

import com.alibaba.fastjson.support.config.FastJsonConfig;
import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
/**
 * 添加fastjson的转换
 */
@Configuration
public class FastjsonConverter {

	@Bean
	public HttpMessageConverters customConverters() {
		// 定义一个转换消息的对象
		
		FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();

		// 添加fastjson的配置信息 比如 ：是否要格式化返回的json数据
		FastJsonConfig fastJsonConfig = new FastJsonConfig();
		//fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);

		List<MediaType> fastMediaTypes = new ArrayList<MediaType>();

		// 处理中文乱码问题1
		// 处理中文乱码问题2
		fastJsonConfig.setCharset(Charset.forName("UTF-8"));
		fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
		//fastMediaTypes.add(MediaType.valueOf("text/plain;charset=UTF-8"));
		//fastMediaTypes.add(MediaType.valueOf("text/html;charset=UTF-8"));
		fastConverter.setSupportedMediaTypes(fastMediaTypes);
		// 在转换器中添加配置信息
		fastConverter.setFastJsonConfig(fastJsonConfig);
		
		StringHttpMessageConverter stringConverter = new StringHttpMessageConverter();
		stringConverter.setDefaultCharset(Charset.forName("UTF-8"));
		stringConverter.setSupportedMediaTypes(fastMediaTypes);
		
		// 将转换器添加到converters中
		return new HttpMessageConverters(stringConverter,fastConverter);
	}
}