package com.toolkit.DES;

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

/**
 * base64编解码类
 * 
 * @author 刘东升
 * @version 1.0
 */

public class base64{

	/**
	 * 给定字节数组编码成base64的字符串
	 * 
	 * @param s
	 *            字节数组
	 * @return 字符串
	 */
	public static String getBASE64(byte[] s) {
		if (s == null)
			return null;
		byte[] tmp = null;
		Base64 b64 = new Base64();
		try {
			tmp = b64.encode(s);
			String a = new String(tmp);
			return a;
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
		}
		return null;
	}

	/**
	 * 给定一个字符串返回Base64解码的字节数组
	 * 
	 * @param s
	 *            字符串
	 * @return 字节数组
	 */
	public static byte[] getDeBASE64(String s) {

		if (s == null)
			return null;
		byte[] tmp = null;
		Base64 b64 = new Base64();
		try {
			tmp = b64.decode(s.getBytes());

			return tmp;
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
		}
		return null;
	}
}