/**
 * 
 */
package com.ucmed.common.util;

import org.apache.commons.codec.binary.Base64;

/**
 * @author John Lee
 *
 */
public class Base64Util {

    public static String encode(String s) {
        try {            
            s = new String(Base64.encodeBase64(s.getBytes()));
            s = s.replace("+", "_");
            return s;
        } catch (Exception e) {
            return s;
        }
    }

    public static String decode(String s) {
        try {
            s = s.replace("_", "+");
            return new String(Base64.decodeBase64(s.getBytes()));
        } catch (Exception e) {
            return s;
        }
    }

    public static void main(String args[]) {
        System.out.println(new Base64Util().encode("石家�));
        System.out.println(new Base64Util().decode("55_z5a625bqE"));
    }
}