import java.awt.event.*;
import java.io.*;
import java.util.*;
import javax.swing.*;
import javax.swing.filechooser.FileNameExtensionFilter;
public class SaveFile extends JFrame{

	private File file;
	private JTextArea textArea;
	private JScrollPane scroll;
	private JMenu fileMenu;
	private JMenuBar menu;
	private JMenuItem saveFile;
	private JMenuItem openFile;

	public SaveFile() {
		super("");
		textArea = new JTextArea(6, 20);
		scroll = new JScrollPane(textArea);
		add(scroll);

		JMenuBar menu = new JMenuBar();
		setJMenuBar(menu);

		fileMenu = new JMenu("File");
		menu.add(fileMenu);

		openFile = new JMenuItem("Open");
		saveFile = new JMenuItem("Save");
		fileMenu.add(openFile);
		fileMenu.add(saveFile);

		Handler handler = new Handler();
		saveFile.addActionListener(handler);
		openFile.addActionListener(handler);
	}

	public void savefileChooser() throws IOException {

		JFrame parent = new JFrame();
		JFileChooser fileOpen = new JFileChooser();
		FileNameExtensionFilter filter = new FileNameExtensionFilter(
									"Text/Java files", "txt", "java");
		fileOpen.setFileFilter(filter);
		int ret = fileOpen.showSaveDialog(parent);
		if(ret == JFileChooser.APPROVE_OPTION) {
			String s = textArea.getText();
			String b = fileOpen.getSelectedFile().getPath();
			File file = new File(b);
			Writer output = new BufferedWriter(new FileWriter(file));
			output.write(s);
			output.close();
		}
	}

	public void openFileChooser() throws IOException {
		JFrame parent = new JFrame();
		JFileChooser fileOpen = new JFileChooser();
		FileNameExtensionFilter filter = new FileNameExtensionFilter(
									"Text/Java files", "txt", "java");
		fileOpen.setFileFilter(filter);
		int ret = fileOpen.showOpenDialog(parent);
		if(ret == JFileChooser.OPEN_DIALOG) {
				String b = fileOpen.getSelectedFile().getPath();
				file = new File(b);
				FileReader input = new FileReader(file);
				textArea.read(input, file.toString());
				input.close();
		}
	}

	private class Handler implements ActionListener {
		public void actionPerformed(ActionEvent e) {
			if(e.getSource() == saveFile ) {
				try {
					savefileChooser();
				} catch (IOException e1) {

				}
			} else if(e.getSource() == openFile) {
				try {
					openFileChooser();
				} catch (IOException e1) {

				}
			}
		}
	}


	public static void main(String[] args) {
		try {
			UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
		} catch (Exception e) {
		}
		SaveFile ta = new SaveFile();
		ta.setSize(500,500);
		ta.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		ta.setVisible(true);
	}
}