package gui;

import java.awt.Dimension;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.JTree;
import javax.swing.SwingUtilities;


public class FileToFrame extends JFrame {

    private static final long serialVersionUID = 1L;

    public FileToFrame() {

        initUI();
    }

    public final void initUI() {

        JPanel panel = new JPanel();

        JTextArea area = new JTextArea();
        //area.append("blablabl");
        area.setPreferredSize(new Dimension(100, 100));
        area.setEditable(false);
        area.setLineWrap(true);

        String line = null, test ="file.txt";
        FileReader citim = null;
        BufferedReader br = null;
        try {
            File file = new File(test);
            citim = new FileReader(file);
            br = new BufferedReader(citim);
            while((line = br.readLine()) != null) {
                area.append(line);                      // copy from file to JTextArea
            }
        } catch (Exception e) {
            System.out.println("Nu gasesc fisierul "+test);
        } finally {
            if(br != null) {
                try {
                    br.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }

        panel.add(area);
        add(panel);
        pack();

        setTitle("FlowLayout Example");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLocationRelativeTo(null);
    }

    public static void main(String[] args) {

        SwingUtilities.invokeLater(new Runnable() {

            public void run() {

                FileToFrame ex = new FileToFrame();
                ex.setVisible(true);
            }
        });
    }
}