import javax.mail.internet.MimeUtility;
import java.util.Base64;
import java.io.*;

public class Base64SpeedTest {
    public static void main(String[] argv) throws Exception {
BufferedInputStream in = new BufferedInputStream(System.in);
BufferedOutputStream out = new BufferedOutputStream(System.out);
switch (argv[0]) {
case "-encodejavamail":
copy(in, MimeUtility.encode(out, "base64"));
break;
case "-encodejdk":
copy(in, Base64.getMimeEncoder().wrap(out));
break;
case "-decodejavamail":
copy(MimeUtility.decode(in, "base64"), out);
break;
case "-decodejdk":
copy(Base64.getMimeDecoder().wrap(in), out);
break;
default:
System.err.println("Bad option");
System.exit(1);
}
    }

    public static void copy(InputStream in, OutputStream out) throws IOException {
byte[] buf = new byte[16*1024];
int n;
while ((n = in.read(buf)) > 0)
out.write(buf, 0, n);
out.flush();
    }
}