package com.safeluck.aykj.decoder;

import com.safeluck.aykj.utils.BytesUtils;

import java.io.UnsupportedEncodingException;

/**
 * Created by zhouwei on 2016/12/3.
 */

public class UTF8StringDecoder extends BaseDecoder<String> {

    @Override
    public String decode(String str) {

        if(str==null)
            return null;
        byte[] bytes = BytesUtils.hexStringToBytes(str);

        try {
            return new String(bytes,"utf-8");
        } catch (UnsupportedEncodingException e) {
            return null;
        }
    }

    @Override
    public String encode(String str) {
        try {
            if(str==null)
                return null;
            return BytesUtils.bytesToHexString(str.getBytes("utf-8"));
        } catch (UnsupportedEncodingException e) {
            return null;
        }
    }
}