import javax.sound.sampled.*;
import java.io.ByteArrayOutputStream;

public class Main {
//Variables

    int lineBufferSize = 16000;
    ByteArrayOutputStream out;
    byte[] finalData;
    byte[] tempdatabuffer;
    int numbytesread;

    final long RECORD_TIME = 1000;

    AudioFormat format;
    TargetDataLine line;
    DataLine.Info info;


//Functions
    void setFormat()
    {
        float sampleRate = 32000;
        int sampleSizeInBits = 16;
        int channels = 1;
        boolean signed = true;
        boolean bigEndian = true;
        format = new AudioFormat(sampleRate, sampleSizeInBits, channels, signed, bigEndian);
    }

    void start()
    {try {
        setFormat();
        tempdatabuffer = new byte[(lineBufferSize / 5)];
        info = new DataLine.Info(TargetDataLine.class, format);
        line = (TargetDataLine) AudioSystem.getLine(info);
        out = new ByteArrayOutputStream();

        line.open(format, 32000);
        line.start();

        System.out.println("Size of ByteArrayOutputStream at start: " + out.size());

        while(out.size() < 64000)
        {
            writeData();
        }
        stop();
    }
    catch(Exception e) {System.out.println("Exception");}}


    void writeData()
    {
        numbytesread = line.read(tempdatabuffer, 0, tempdatabuffer.length);
        out.write(tempdatabuffer, 0, numbytesread);
    }


    void stop()
    {
        line.stop();

        finalData = out.toByteArray();

        logMessages();

        line.close();
    }

    void logMessages()
    {
        System.out.println("Size of ByteArrayOutputStream at end: " + out.size());

        System.out.println("Size of finalData array: " + finalData.length);

        System.out.println("First value of finalData array: " + finalData[0]);

        System.out.println("First 100 datavalues of finalData array: ");
        for(int i = 0; i < 100; i++)
        {
            if(i%20 == 0)
            {
                System.out.println("");
            }
            System.out.print(finalData[i]);
        }
    }


    public static void main(String[] args) {

        Main mainclass = new Main();
        mainclass.start();

    }
}