convert.java

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/*
 * Java Network Programming, Second Edition
 * Merlin Hughes, Michael Shoffner, Derek Hamner
 * Manning Publications Company; ISBN 188477749X
 *
 * http://nitric.com/jnp/
 *
 * Copyright (c) 1997-1999 Merlin Hughes, Michael Shoffner, Derek Hamner;
 * all rights reserved; see license.txt for details.
 */

import java.io.*;

public class Convert {
  public static void main (String[] args) throws IOException {
    if (args.length != 4)
      throw new IllegalArgumentException
        ("Convert <srcEnc> <source> <dstEnc> <dest>");
    FileInputStream fileIn = new FileInputStream (args[1]);
    FileOutputStream fileOut = new FileOutputStream (args[3]);
    InputStreamReader inputStreamReader =
      new InputStreamReader (fileIn, args[0]);
    OutputStreamWriter outputStreamWriter =
      new OutputStreamWriter (fileOut, args[2]);
    char[] buffer = new char[16];
    int numberRead;
    while ((numberRead = inputStreamReader.read (buffer)) > -1)
      outputStreamWriter.write (buffer, 0, numberRead);
    outputStreamWriter.close ();
    inputStreamReader.close ();
  }
}