// Sample program to encode a binary file into a Base64 text file.
// Author: Christian d'Heureuse (www.source-code.biz)

import biz.source_code.base64Coder.Base64Coder;
import java.io.BufferedInputStream;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStream;
import java.io.IOException;

public class Base64FileEncoder {

public static void main (String args[]) throws IOException {
   if (args.length != 2) {
      System.out.println("Command line parameters: inputFileName outputFileName");
      System.exit(9); }
   encodeFile(args[0], args[1]); }

private static void encodeFile (String inputFileName, String outputFileName) throws IOException {
   BufferedInputStream in = null;
   BufferedWriter out = null;
   try {
      in = new BufferedInputStream(new FileInputStream(inputFileName));
      out = new BufferedWriter(new FileWriter(outputFileName));
      encodeStream(in, out);
      out.flush(); }
    finally {
      if (in != null) in.close();
      if (out != null) out.close(); }}

private static void encodeStream (InputStream in, BufferedWriter out) throws IOException {
   int lineLength = 72;
   byte[] buf = new byte[lineLength/4*3];
   while (true) {
      int len = in.read(buf);
      if (len <= 0) break;
      out.write(Base64Coder.encode(buf, 0, len));
      out.newLine(); }}

} // end class Base64FileEncoder