Sender.java Source code

Introduction

Here is the source code for Sender.java

Source

// : c13:PipedIO.java
// Using pipes for inter-thread I/O
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
import java.util.Timer;
import java.util.TimerTask;

import java.io.IOException;
import java.io.PipedReader;
import java.io.PipedWriter;
import java.util.Random;

class Sender extends Thread {
    private Random rand = new Random();

    private PipedWriter out = new PipedWriter();

    public PipedWriter getPipedWriter() {
        return out;
    }

    public void run() {
        while (true) {
            for (char c = 'A'; c <= 'z'; c++) {
                try {
                    out.write(c);
                    sleep(rand.nextInt(500));
                } catch (Exception e) {
                    throw new RuntimeException(e);
                }
            }
        }
    }
}

class Receiver extends Thread {
    private PipedReader in;

    public Receiver(Sender sender) throws IOException {
        in = new PipedReader(sender.getPipedWriter());
    }

    public void run() {
        try {
            while (true) {
                // Blocks until characters are there:
                System.out.println("Read: " + (char) in.read());
            }
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}

public class PipedIO {
    public static void main(String[] args) throws Exception {
        Sender sender = new Sender();
        Receiver receiver = new Receiver(sender);
        sender.start();
        receiver.start();
        new Timeout(4000, "Terminated");
    }
} ///:~

class Timeout extends Timer {
    public Timeout(int delay, final String msg) {
        super(true); // Daemon thread
        schedule(new TimerTask() {
            public void run() {
                System.out.println(msg);
                System.exit(0);
            }
        }, delay);
    }
} ///:~