Java by API/javax.swing/ProgressMonitorInputStream

new ProgressMonitorInputStream(Component p, Object m, InputStream i)

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import javax.swing.JLabel;
import javax.swing.ProgressMonitorInputStream;
public class MainClass {
  public static void main(String[] a) throws Exception {
    String fileName = "BigFile.txt";
    FileInputStream fis = new FileInputStream(fileName);
    JLabel filenameLabel = new JLabel(fileName, JLabel.RIGHT);
    Object message[] = { "Reading:", filenameLabel };
    ProgressMonitorInputStream pmis = new ProgressMonitorInputStream(null, message, fis);
    InputStreamReader isr = new InputStreamReader(pmis);
    BufferedReader br = new BufferedReader(isr);
    String line;
    while ((line = br.readLine()) != null) {
      System.out.println(line);
    }
    br.close();
  }
}

ProgressMonitorInputStream: available()

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import javax.swing.JOptionPane;
import javax.swing.ProgressMonitorInputStream;
public class MainClass {
  public MainClass(String filename) {
    ProgressMonitorInputStream monitor;
    try {
      monitor = new ProgressMonitorInputStream(null, "Loading " + filename, new FileInputStream(
          filename));
      while (monitor.available() > 0) {
        byte[] data = new byte[38];
        monitor.read(data);
        System.out.write(data);
      }
    } catch (FileNotFoundException e) {
      JOptionPane.showMessageDialog(null, "Unable to find file: " + filename, "Error",
          JOptionPane.ERROR_MESSAGE);
    } catch (IOException e) {
      ;
    }
  }
  public static void main(String args[]) {
    new MainClass(args[0]);
  }
}

ProgressMonitorInputStream: read(byte[] b)

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import javax.swing.JOptionPane;
import javax.swing.ProgressMonitorInputStream;
public class MainClass {
  public MainClass(String filename) {
    ProgressMonitorInputStream monitor;
    try {
      monitor = new ProgressMonitorInputStream(null, "Loading " + filename, new FileInputStream(
          filename));
      while (monitor.available() > 0) {
        byte[] data = new byte[38];
        monitor.read(data);
        System.out.write(data);
      }
    } catch (FileNotFoundException e) {
      JOptionPane.showMessageDialog(null, "Unable to find file: " + filename, "Error",
          JOptionPane.ERROR_MESSAGE);
    } catch (IOException e) {
      ;
    }
  }
  public static void main(String args[]) {
    new MainClass(args[0]);
  }
}