bytearrayinputtest.java

JAVA网络编程技术内幕一书的源代码

/*
 * 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 ByteArrayInputTest {
  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);
    ByteArrayInputStream byteArrayIn =
      new ByteArrayInputStream (byteArrayOut.toByteArray ());
    LineNumberInputStream lineNumberIn =
      new LineNumberInputStream (byteArrayIn);
    DataInputStream dataIn = new DataInputStream (lineNumberIn);
    String line;
    while ((line = dataIn.readLine ()) != null)
      System.out.println (lineNumberIn.getLineNumber () + " : " + line);
  }
}