package com.tiesheng.util;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.alibaba.fastjson.support.config.FastJsonConfig;
import com.tiesheng.util.config.DesensitizeValueFilter;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

public class CommonUtil {


    /**
     * FastJson配置
     *
     * @return
     */
    public static FastJsonConfig fastJsonConfig() {
        FastJsonConfig config = new FastJsonConfig();
        config.setSerializerFeatures(SerializerFeature.WriteMapNullValue,
                SerializerFeature.WriteNullStringAsEmpty,
                SerializerFeature.WriteEnumUsingName,
                SerializerFeature.DisableCircularReferenceDetect
        );
        config.setDateFormat("yyyy-MM-dd HH:mm:ss");
        config.setSerializeFilters(new DesensitizeValueFilter());
        return config;
    }


    /**
     * 格式化数据
     *
     * @param value
     * @return
     * @throws IOException
     */
    public static String writeJsonString(Object value) throws IOException {
        FastJsonConfig fastJsonConfig = fastJsonConfig();
        ByteArrayOutputStream outnew = new ByteArrayOutputStream();
        JSON.writeJSONStringWithFastJsonConfig(outnew, fastJsonConfig.getCharset(),
                value, fastJsonConfig.getSerializeConfig(),
                fastJsonConfig.getSerializeFilters(),
                fastJsonConfig.getDateFormat(), JSON.DEFAULT_GENERATE_FEATURE,
                fastJsonConfig.getSerializerFeatures());
        return outnew.toString();
    }

}