Simple Web Browser

Main.java

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;

/**
 *
 * @author Alvin Tabontabon
 */
public class Main extends Application {

    @Override
    public void start(Stage stage) throws Exception {
        Parent root = FXMLLoader.load(getClass().getResource("WebUI.fxml"));

        Scene scene = new Scene(root);

        stage.setScene(scene);
        stage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}

WebUI.fxml

<?xml version="1.0" encoding="UTF-8"?>

<?import java.lang.*?>
<?import java.util.*?>
<?import javafx.scene.*?>
<?import javafx.scene.control.*?>
<?import javafx.scene.layout.*?>
<?import javafx.scene.web.*?>

<AnchorPane id="AnchorPane" prefHeight="371.0" prefWidth="431.0" xmlns:fx="http://javafx.com/fxml" fx:controller="WebUIController">
    <children>
        <AnchorPane id="AnchorPane" layoutX="0.0" layoutY="0.0">
            <children>
                <AnchorPane id="AnchorPane" layoutX="0.0" layoutY="0.0">
                    <children>
                        <GridPane id="GridPane" layoutX="0.0" layoutY="0.0">
                            <columnConstraints>
                                <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" />
                            </columnConstraints>
                            <rowConstraints>
                                <RowConstraints minHeight="10.0" vgrow="SOMETIMES" />
                            </rowConstraints>
                        </GridPane>
                    </children>
                </AnchorPane>
            </children>
        </AnchorPane>
        <BorderPane prefHeight="371.0" prefWidth="431.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
            <center>
                <WebView fx:id="webView" prefHeight="200.0" prefWidth="200.0" />
            </center>
            <top>
                <HBox prefHeight="27.0" prefWidth="431.0">
                    <children>
                        <TextField fx:id="txtURL" onAction="#goAction" prefHeight="27.0" prefWidth="382.0" HBox.hgrow="ALWAYS" />
                        <Button mnemonicParsing="false" onAction="#goAction" prefHeight="27.0" prefWidth="47.0" text="GO" wrapText="false" HBox.hgrow="NEVER" />
                    </children>
                </HBox>
            </top>
        </BorderPane>
    </children>
</AnchorPane>

WebUIController.java

import java.net.URL;
import java.util.ResourceBundle;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.TextField;
import javafx.scene.web.WebEngine;
import javafx.scene.web.WebView;

/**
 *
 * @author Alvin Tabontabon
 */
public class WebUIController implements Initializable {

    @FXML
    TextField txtURL;
    @FXML
    WebView webView;
    private WebEngine webEngine;

    @FXML
    private void goAction(ActionEvent evt) {
        webEngine.load(txtURL.getText().startsWith("http://") ? txtURL.getText() : "http://" + txtURL.getText());
    }

    @Override
    public void initialize(URL url, ResourceBundle rb) {
        webEngine = webView.getEngine();
        webEngine.locationProperty().addListener(new ChangeListener<String>() {
            @Override
            public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue) {
                txtURL.setText(newValue);
            }
        });
        txtURL.setText("http://www.google.com");
    }
}