new problems trying to view the contents of a text file in JTextArea

Don't you think you should solve one problem before moving on to the next?

georgemca at 2007-7-28 17:20:00 >

Here are the records that are in Order.txt.

2 Battlestar Galactica Xbox 360 Games

12 Scooter Mind the Gap CDs

james-mcfaddena at 2007-7-28 17:20:00 >

where is ur code to display the contents in ur text area?

byte bt[] = new byte[(int)inputFile.length()];

int tmp = in.read(bt);

i see this code and by this i understand will return the length of ur file.

anya_aaa at 2007-7-28 17:20:00 >

hello.

thanks for the help. i did what you told me to do as much as i possibly could. but when i run the program and press View Order this time, "null" appears in the Compile Messages section of the jGRASP console. what have i done wrong this time?

import java.awt.BorderLayout;

import java.awt.event.*;

import java.awt.*;

import javax.swing.*;

import java.io.*;

public class ViewOrder extends JFrame{

JPanel pnlText, pnlBody, pnlFooter;

JButton btnViewOrder;

JButton btnReturnToOrderSystem;

JLabel jl;

JTextArea jtaDescription = new JTextArea();

Container contentpane;

public ViewOrder(){

super("View Order");

contentpane = getContentPane();

contentpane.setLayout(new BorderLayout());

pnlText = new JPanel();

pnlBody = new JPanel();

pnlFooter = new JPanel();

jtaDescription = new JTextArea();

jtaDescription.setFont(new Font("Serif", Font.PLAIN, 14));

// Set lineWrap and wrapStyleWord true for the text area

jtaDescription.setLineWrap(true);

jtaDescription.setWrapStyleWord(true);

jtaDescription.setEditable(false);

pnlBody.add(jtaDescription);

// Create a scroll pane to hold the text area

JScrollPane scrollPane = new JScrollPane(jtaDescription);

// Set BorderLayout for the panel, add label and scrollpane

pnlBody.add(scrollPane, BorderLayout.CENTER);

jl = new JLabel("Text retrieved from file:");

btnViewOrder = new JButton("View Order");

btnReturnToOrderSystem = new JButton("Return to Order System Menu");

pnlText.add(jl);

pnlFooter.add(btnViewOrder);

pnlFooter.add(btnReturnToOrderSystem);

contentpane.add(pnlText,BorderLayout.NORTH);

contentpane.add(pnlBody,BorderLayout.CENTER);

contentpane.add(pnlFooter,BorderLayout.SOUTH);

pack();

setVisible(true);

btnViewOrder.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e){

String s = null;

System.out.println(s + "\n");

//Read from file

try{

String inputFileName = "Order.txt";

File inputFile = new File(inputFileName);

FileInputStream in = new FileInputStream(inputFile);

BufferedReader iS = new BufferedReader(new InputStreamReader(in));

String iL = "";

iL = iS.readLine();

setDescription(iL);

iS.close();

}

catch(java.io.IOException ex){

System.out.println("Cannot read from file");

}

}

});

btnReturnToOrderSystem.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e){

setVisible(false);

//OrderSystem os = new OrderSystem();

//os.setVisible(true);

}

});

}

/** Set the text description */

public void setDescription(String s) {

jtaDescription.setText(s);

}

public static void main(String[] args){

new ViewOrder();

}

}

james-mcfaddena at 2007-7-28 17:20:00 >