/**
 * WriteFileApplet.java
 * DG August 2000
 *
 * A simple Java 2 Applet which allows a user to enter some text into a TextArea
 * and save it to a local file, if security permsisions allow it.
 * You can have it write to the working directory , ".\\* in the policy file.
 */
 
 
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.event.*;
import javax.swing.border.*;
import java.io.*;
 
public class WriteFileApplet extends JApplet  implements ActionListener {
	private JButton btnWrite;
	private JScrollPane sp;
	private JTextArea taMessage;
	private JTextField tfFileName;
	private JPanel pnl;
 
	private String fileName;
 
	public void init () {
		fileName = "C:\\test.txt";
//		fileName = getParameter("filename");
		pnl = new JPanel();
		pnl .setLayout(new BorderLayout());
		pnl.setBorder(BorderFactory.createEtchedBorder());
 
		tfFileName = new JTextField(fileName);
		pnl.add(tfFileName, BorderLayout.NORTH);
 
		// This is how you create a scrollable TextArea in Java 2.
		taMessage = new JTextArea();
		sp = new JScrollPane(taMessage);
		pnl.add(sp, BorderLayout.CENTER);
 
		btnWrite = new JButton("Save text to disk");
		pnl.add(btnWrite, BorderLayout.SOUTH);
 
		// The applet has a default content pane in Java 2.
		getContentPane().add(pnl);
 
		btnWrite.addActionListener(this);
	}
 
	public void actionPerformed(ActionEvent e) {
		Object obj = e.getSource();
		if(obj instanceof JButton) {
			if(obj == btnWrite) {
				File f = new File(tfFileName.getText());
				try {
					PrintWriter pw = new PrintWriter(new FileWriter(f));
					String msg = taMessage.getText();
					pw.println(msg);
					pw.close();
				} catch(IOException ioe) {
					System.err.println(ioe.toString());
				}
				catch (SecurityException se) {
					System.err.println(se.toString());
				}
			}
		}
	}
	public static void main(String args[])
	{
		WriteFileApplet test = new WriteFileApplet();
		test.init();
		JFrame frame = new JFrame("Applet");
		frame.setContentPane(test);
		frame.setSize(300,300);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setVisible(true);
	}
}