Java实现Base64算法（分别通过JDK、Bouncy Castle、Commons Codec）

package com.imooc.security.base64;

import java.io.IOException;

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

import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

public class ImoocBase64 {
	
	private static String src = "imooc security base64";

	public static void main(String[] args) {
		jdkBase64();
		commonsCodesBase64();
		bouncyCastleBase64();
	}
	
	public static void jdkBase64() {
		try {
			BASE64Encoder encoder = new BASE64Encoder();
			String encode = encoder.encode(src.getBytes());
			System.out.println("encode : " + encode);
			
			BASE64Decoder decoder = new BASE64Decoder();
			System.out.println("decode : " + new String(decoder.decodeBuffer(encode)));
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	public static void commonsCodesBase64() {
		byte[] encodeBytes = Base64.encodeBase64(src.getBytes());
		System.out.println("encode : " + new String(encodeBytes));
		
		byte[] decodeBytes = Base64.decodeBase64(encodeBytes);
		System.out.println("decode : " + new String(decodeBytes));
	}
	
	public static void bouncyCastleBase64() {
		byte[] encodeBytes = org.bouncycastle.util.encoders.Base64.encode(src.getBytes());
		System.out.println("encode : " + new String(encodeBytes));
		
		byte[] decodeBytes = org.bouncycastle.util.encoders.Base64.decode(encodeBytes); 
		System.out.println("decode : " + new String(decodeBytes));
	}

}