Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.IOException;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;

public class Main {
    public static void main(String args[]) {
        Thread thread1 = new Thread(new PipeOutput("Producer"));
        Thread thread2 = new Thread(new PipeInput("Consumer"));
        thread1.start();
        thread2.start();
        boolean thread1IsAlive = true;
        boolean thread2IsAlive = true;
        do {
            if (thread1IsAlive && !thread1.isAlive()) {
                thread1IsAlive = false;
            }
            if (thread2IsAlive && !thread2.isAlive()) {
                thread2IsAlive = false;
            }
        } while (thread1IsAlive || thread2IsAlive);
    }
}

class PipeIO {
    PipedOutputStream outputPipe = new PipedOutputStream();

    PipedInputStream inputPipe = new PipedInputStream();
    String name;

    public PipeIO(String id) {
        name = id;
        try {
            outputPipe.connect(inputPipe);
        } catch (IOException ex) {
            System.out.println("IOException in static initializer");
        }
    }
}

class PipeOutput extends PipeIO implements Runnable {
    public PipeOutput(String id) {
        super(id);
    }

    public void run() {
        String s = "This is a test.";
        try {
            for (int i = 0; i < s.length(); ++i) {
                outputPipe.write(s.charAt(i));
                System.out.println(name + " wrote " + s.charAt(i));
            }
            outputPipe.write('!');
        } catch (IOException ex) {
            System.out.println("IOException in PipeOutput");
        }
    }
}

class PipeInput extends PipeIO implements Runnable {
    public PipeInput(String id) {
        super(id);
    }

    public void run() {
        boolean eof = false;
        try {
            while (!eof) {
                int inChar = inputPipe.read();
                if (inChar != -1) {
                    char ch = (char) inChar;
                    if (ch == '!') {
                        eof = true;
                        break;
                    } else
                        System.out.println(name + " read " + ch);
                }
            }
        } catch (IOException ex) {
            System.out.println("IOException in PipeOutput");
        }
    }
}