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wenjunchewenjunche
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ADAP-96: added JavaFx embedding example
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‎src/main/java/com/openfin/desktop/demo/FxDemo.java‎

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package com.openfin.desktop.demo;
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import com.openfin.desktop.*;
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import com.openfin.desktop.Window;
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import com.sun.javafx.tk.TKStage;
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import javafx.application.Application;
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import javafx.application.Platform;
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import javafx.collections.ObservableList;
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import javafx.event.ActionEvent;
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import javafx.event.EventHandler;
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import javafx.scene.Group;
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import javafx.scene.Scene;
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import javafx.scene.control.Button;
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import javafx.scene.layout.AnchorPane;
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import javafx.scene.layout.StackPane;
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import javafx.stage.Stage;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.lang.reflect.Method;
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/**
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* Java example to embed HTML5 window in JavaFX window
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*
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* Created by wche on 3/13/15.
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*
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*/
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public class FxDemo extends Application implements DesktopStateListener {
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private final static Logger logger = LoggerFactory.getLogger(FxDemo.class.getName());
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private DesktopConnection desktopConnection;
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private Button btnStart, btnStop;
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private StackPane embedPane;
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protected String openfin_app_url = "https://cdn.openfin.co/examples/junit/SimpleDockingExample.html"; // source is in release/SimpleDockingExample.html
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protected String startupUuid = "OpenFinHelloWorld";
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private long stageHWndId;
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private com.openfin.desktop.Application startupHtml5app;
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@Override
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public void start(Stage stage) {
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btnStart = new Button();
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btnStart.setText("Launch OpenFin");
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btnStart.setLayoutX(10);
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btnStart.setLayoutY(10);
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btnStart.setOnAction(new EventHandler<ActionEvent>() {
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@Override
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public void handle(ActionEvent event) {
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launchOpenFin();
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}
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});
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btnStop = new Button();
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btnStop.setText("Shut down OpenFin");
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btnStop.setLayoutX(200);
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btnStop.setLayoutY(10);
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btnStop.setDisable(true);
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btnStop.setOnAction(new EventHandler<ActionEvent>() {
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@Override
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public void handle(ActionEvent event) {
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shutDown();
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}
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});
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AnchorPane anchorPane = new AnchorPane();
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anchorPane.getChildren().add(btnStart);
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anchorPane.getChildren().add(btnStop);
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//Creating a Group object
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Group root = new Group();
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//Retrieving the observable list object
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ObservableList list = root.getChildren();
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embedPane = new StackPane();
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embedPane.setLayoutX(10);
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embedPane.setLayoutY(50);
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AnchorPane.setTopAnchor(embedPane, 50.0);
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AnchorPane.setBottomAnchor(embedPane, 0.0);
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AnchorPane.setLeftAnchor(embedPane, 0.0);
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AnchorPane.setRightAnchor(embedPane, 0.0);
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anchorPane.getChildren().add(embedPane);
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embedPane.widthProperty().addListener(observable -> {
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onEmbedComponentSizeChange();
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});
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embedPane.heightProperty().addListener(observable -> {
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onEmbedComponentSizeChange();
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});
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//Creating a scene object
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Scene scene = new Scene(anchorPane, 800, 800);
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//Setting title to the Stage
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stage.setTitle("FX Demo");
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//Adding scene to the stage
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stage.setScene(scene);
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//Displaying the contents of the stage
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stage.show();
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this.stageHWndId = getWindowHandle(stage);
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}
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private void launchOpenFin() {
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RuntimeConfiguration cfg = new RuntimeConfiguration();
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cfg.setRuntimeVersion("stable");
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cfg.setAdditionalRuntimeArguments(" --v=1 ");
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try {
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desktopConnection = new DesktopConnection("JavaFxDemo");
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desktopConnection.connect(cfg, this, 60);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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private void launchHtmlApp() {
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// launch 5 instances of same example app
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int width = 500, height=500;
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try {
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String url = java.lang.System.getProperty("com.openfin.demo.embed.URL");
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if (url != null) {
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openfin_app_url = url;
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}
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ApplicationOptions options = new ApplicationOptions(startupUuid, startupUuid, openfin_app_url);
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options.setApplicationIcon("http://openfin.github.io/snap-and-dock/openfin.ico");
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WindowOptions mainWindowOptions = new WindowOptions();
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mainWindowOptions.setAutoShow(false);
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mainWindowOptions.setDefaultHeight(height);
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mainWindowOptions.setDefaultLeft(10);
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mainWindowOptions.setDefaultTop(50);
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mainWindowOptions.setDefaultWidth(width);
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mainWindowOptions.setShowTaskbarIcon(true);
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mainWindowOptions.setSaveWindowState(false); // set to false so all windows start at same initial positions for each run
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mainWindowOptions.setFrame(false);
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mainWindowOptions.setContextMenu(true);
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mainWindowOptions.setResizeRegionSize(0);
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options.setMainWindowOptions(mainWindowOptions);
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DemoUtils.runApplication(options, this.desktopConnection, new AckListener() {
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@Override
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public void onSuccess(Ack ack) {
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com.openfin.desktop.Application app = (com.openfin.desktop.Application) ack.getSource();
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try {
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Thread.sleep(1000);
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embedStartupApp();
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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}
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@Override
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public void onError(Ack ack) {
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logger.error(String.format("Error launching %s %s", options.getUUID(), ack.getReason()));
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}
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});
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} catch (Exception e) {
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logger.error("Error launching app", e);
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}
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}
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private void embedStartupApp() {
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try {
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if (startupHtml5app == null) {
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startupHtml5app = com.openfin.desktop.Application.wrap(this.startupUuid, this.desktopConnection);
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}
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Window html5Wnd = startupHtml5app.getWindow();
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html5Wnd.embedInto(stageHWndId, (int)this.embedPane.getLayoutX(), (int)this.embedPane.getLayoutY(),
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(int)this.embedPane.getWidth(), (int)this.embedPane.getHeight(), new AckListener() {
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@Override
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public void onSuccess(Ack ack) {
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if (ack.isSuccessful()) {
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} else {
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logger.error("embedding failed: " + ack.getJsonObject().toString());
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}
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}
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@Override
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public void onError(Ack ack) {
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}
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});
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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private void onEmbedComponentSizeChange() {
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logger.info(String.format("%f %f ", this.embedPane.getLayoutX(), this.embedPane.getLayoutY()));
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if (startupHtml5app != null) {
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startupHtml5app.getWindow().embedComponentSizeChange((int)this.embedPane.getLayoutX(), (int)this.embedPane.getLayoutY(),
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(int)this.embedPane.getWidth(), (int)this.embedPane.getHeight());
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}
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}
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private void shutDown() {
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try {
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this.desktopConnection.exit();
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Platform.exit();
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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private long getWindowHandle(Stage stage) {
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long handle = -1;
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try {
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TKStage tkStage = stage.impl_getPeer();
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Method getPlatformWindow = tkStage.getClass().getDeclaredMethod("getPlatformWindow" );
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getPlatformWindow.setAccessible(true);
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Object platformWindow = getPlatformWindow.invoke(tkStage);
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Method getNativeHandle = platformWindow.getClass().getMethod( "getNativeHandle" );
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getNativeHandle.setAccessible(true);
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Object nativeHandle = getNativeHandle.invoke(platformWindow);
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handle = (Long) nativeHandle;
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} catch (Throwable e) {
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logger.error("Error getting Window Pointer", e);
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}
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logger.info(String.format("Stage hwnd %d", handle));
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return handle;
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}
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@Override
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public void onReady() {
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logger.info("Connected to OpenFin Runtime");
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btnStart.setDisable(true);
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btnStop.setDisable(false);
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launchHtmlApp();
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}
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@Override
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public void onClose() {
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logger.info("Disconnected from OpenFin Runtime");
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btnStart.setDisable(false);
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btnStop.setDisable(true);
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}
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@Override
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public void onError(String s) {
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}
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@Override
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public void onMessage(String s) {
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}
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@Override
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public void onOutgoingMessage(String s) {
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}
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public static void main(String args[]) {
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launch(args);
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}
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}

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