package cn.com.ctsi.csdp.base.util;

import java.security.MessageDigest;

import java.security.NoSuchAlgorithmException;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class Md5Tool

{

    private static Logger logger = LoggerFactory.getLogger(Md5Tool.class);

    /**

     * @param str

     * @return

     */

    public static String getMD5Hex(String str)

    {

        MessageDigest md = null;

        StringBuffer sb = new StringBuffer();

        byte[] tmpByte = null;

        try

        {

            md = MessageDigest.getInstance("MD5");

        } catch (NoSuchAlgorithmException e)

        {

            logger.info("NoSuchAlgorithmException" + e);

            e.printStackTrace();

        }

        md.update(str.getBytes());

        tmpByte = md.digest();

        for (int i = ; i < tmpByte.length; ++i)

        {

            if ((tmpByte[i] & 0xFF) < )

            {

                sb.append("");

            }

            sb.append(Long.toString(tmpByte[i] & 0xFF, ));

        }

        return sb.toString();

    }

}