/* Converts an image file to a textual Base 64 representation.
 * Run using the command 
 * java -classpath  
 *    %classpath%;H:\commons-codec-1.3\commons-codec-1.3.jar
 *    Base64Encoding gittleman.gif
 * where gittleman.gif is the image to convert.
 */

import org.apache.commons.codec.binary.Base64;
import java.io.*;

public class Base64Encoding {
  public static void main(String[] args) {
    try {
      File f = new File(args[0]);
      byte[] me = new byte[(int)f.length()];
      System.out.println("gittleman.gif length: " 
                          + f.length());
      InputStream in = new FileInputStream(f);
      in.read(me);
      for(int i = 0; i<50; i++) 
        System.out.print((char)me[i]);
      System.out.println();
      in.close();
      in = new FileInputStream(f);
      for(int i = 0; i<20; i++) 
        System.out.print(Integer.toHexString(in.read()) + " ");
      System.out.println();
      byte[] encoded = Base64.encodeBase64(me);
      System.out.println("Encoded length: " + encoded.length);
      for(int i = 0; i<50; i++)
        System.out.print((char)encoded[i]);
      System.out.println();
      in.close();
    }catch(Exception e) {
       e.printStackTrace();
    }
  }
}