/*
 * ReadFile.java
 *
 * Created on November 2, 2006, 1:44 PM
 *
 * This code was only lightly changed from an example in Physics Simulation with Java by Clark S. Lindsey 
 * at http://www.particle.kth.se/~fmi/kurs/PhysicsSimulation/Lectures/12B/fileReadByApplet.html
 */

import java.applet.*;
import java.awt.BorderLayout;
import java.awt.TextArea;
import java.io.*;
import java.net.MalformedURLException;
import java.net.URL;
import java.lang.Object;

/**
 *
 * @author George Blank Object Oriented Prof
 */

public class ReadFile extends java.applet.Applet {
    StringBuffer buffer;
    String filename="data.txt";
    TextArea tdisplay;
    
    /** Initialization method that will be called after the applet is loaded
     *  into the browser.
     */
    public void init() {
        tdisplay = new TextArea(60,20);
        tdisplay.setEditable(false);
        setLayout(new BorderLayout());
        add(tdisplay, "Center");
        readFile();  
    }
    
    public void readFile() {
        String line;
        URL url=null;
        
        try {
            // Combine URL from codebase with file name 
            url = new URL (getCodeBase(), filename);
        }
        catch (MalformedURLException  e ) {
            System.out.println("Malformed URL ");
            stop();
        }
        try {
            // Open a stream to read file
            InputStream in = ReadFile.class.getResourceAsStream(filename);
        	BufferedReader buinst =
                new BufferedReader(new InputStreamReader(in));
            buffer = new StringBuffer () ;
            // Read until end of file
            while ((line = buinst.readLine()) != null) {
                tdisplay.append(line+"\n");
            } 
            // Close stream
            in.close();
        }
        catch (IOException e ) {
            // Load the file into the TextArea.
            tdisplay.append("File Read Error");
        }

    }
}