View difference between Paste ID: kAjweLi5 and

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+import java.awt.Dimension;
 import java.awt.Point;
 
 import javafx.application.Platform;
 import javafx.beans.value.ChangeListener;
 import javafx.beans.value.ObservableValue;
 import javafx.embed.swing.JFXPanel;
 import javafx.scene.Group;
 import javafx.scene.Scene;
 import javafx.scene.web.WebEngine;
 import javafx.scene.web.WebView;
 
 import javax.swing.JButton;
 import javax.swing.JFrame;
 import javax.swing.SwingUtilities;
 
 public class Test implements ChangeListener<String> {
 
 	/* Start application */
 	public static void main(final String[] args) {
 		new Test();
 	}
 
 	public Test() {
 
 		SwingUtilities.invokeLater(new Runnable() {
 			@Override
 			public void run() {
 				initAndShowGUI();
 			}
 		});
 
 	}
 
 	/* Create a JFrame with a JFXPanel containing the WebView. */
 	private JFrame frame;
 
 	private void initAndShowGUI() {
 		// This method is invoked on Swing thread
 		frame = new JFrame("FX");
 		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 
 		frame.getContentPane().setLayout(null); // do the layout manually
 
 		final JFXPanel fxPanel = new JFXPanel();
 
 		frame.add(fxPanel);
 		frame.setVisible(true);
 
 		fxPanel.setSize(new Dimension(300, 300));
 
 		frame.getContentPane().setPreferredSize(new Dimension(300, 300));
 		frame.pack();
 
 		Platform.runLater(new Runnable() { // this will run initFX as
 											// JavaFX-Thread
 			@Override
 			public void run() {
 				initFX(fxPanel);
 			}
 		});
 
 	}
 
 	private WebEngine webEngine;
 
 	/* Creates a WebView and fires up google.com */
 	private void initFX(final JFXPanel fxPanel) {
 		Group group = new Group();
 		Scene scene = new Scene(group);
 		fxPanel.setScene(scene);
 
 		WebView webView = new WebView();
 
 		group.getChildren().add(webView);
 		webView.setMinSize(300, 300);
 		webView.setMaxSize(300, 300);
 
 		// Obtain the webEngine to navigate
 		webEngine = webView.getEngine();
 		webEngine.load("http://www.google.com/");
 
 		// Add a new listener to the URL property
 		webEngine.locationProperty().addListener(this);
 
 	}
 
 	public void exit() {
 
 		final Test self = this;
 
 		Platform.runLater(new Runnable() {
 		@Override
 			public void run() {
 				Platform.exit();
 			}
 		});
 
 		SwingUtilities.invokeLater(new Runnable() {
 
 			@Override
 			public void run() {
 				self.frame.dispose();
 			}
 
 		});
 	}
 
 
 	/**
 	 * Fires when URL changes
 	 */
 	@Override
 	public void changed(ObservableValue<? extends String> arg0, String oldUrl, String newUrl) {
 
 		// Conditions should be here (if url.equals(successUrl) ..
 		this.exit();
 
 	}
 
 }