bytearrayoutputtest.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 ByteArrayOutputTest {
  static public void main (String[] args) throws IOException {
    ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream ();
    byte[] buffer = new byte[16];
    int numberRead;
    while ((numberRead = System.in.read (buffer)) > -1)
      byteArrayOut.write (buffer, 0, numberRead);
    System.out.println ("Read " + byteArrayOut.size () + " bytes.");
    System.out.write (byteArrayOut.toByteArray ());
 
    PrintStream printStream = new PrintStream (byteArrayOut);
    for (int i = 0; i < args.length; ++ i) {
      printStream.println ("Written to " + args[i] + ".");
      FileOutputStream fileOut = new FileOutputStream (args[i]);
      byteArrayOut.writeTo (fileOut);
      fileOut.close ();
    }
  }
}