Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.io.File;
import java.net.URL;

import javax.swing.AbstractAction;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingConstants;

public class Main {
    JFrame frame = new JFrame();
    JFileChooser fileChooser;
    JLabel iconLabel;

    private final class SelectImageAction extends AbstractAction {
        private SelectImageAction(final String name) {
            super(name);
        }

        @Override
        public void actionPerformed(final ActionEvent e) {
            int option = fileChooser.showOpenDialog(frame);
            if (option != JFileChooser.APPROVE_OPTION) {
                return;
            }
            final File selectedFile = fileChooser.getSelectedFile();

            URL url = null;
            try {
                url = selectedFile.toURI().toURL();
            } catch (Exception e1) {
                System.out.println(e1);
            }

            ImageIcon icon = new ImageIcon(url);
            iconLabel.setIcon(icon);
        }
    }

    public Main() {

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        iconLabel = new JLabel("Please select an image.");
        iconLabel.setHorizontalAlignment(SwingConstants.CENTER);

        fileChooser = new JFileChooser();

        frame.add(iconLabel, BorderLayout.CENTER);
        frame.add(new JButton(new SelectImageAction("Select Image...")), BorderLayout.SOUTH);
        frame.setBounds(16, 16, 640, 480);
        frame.setVisible(true);
    }

    public static void main(final String[] args) throws Exception {
        new Main();
    }
}