1 /* 2 * Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package hello; 27 28 import javafx.application.Application; 29 import javafx.scene.Group; 30 import javafx.scene.Scene; 31 import javafx.scene.paint.Color; 32 import javafx.scene.shape.Rectangle; 33 import javafx.stage.Stage; 34 35 public class HelloLaunchOnNewThread extends Application { 36 37 static long startTime; 38 39 public HelloLaunchOnNewThread() { 40 long endTime = System.nanoTime(); 41 long elapsedMsec = (endTime - startTime + 500000) / 1000000; 42 System.err.println("DONE: elapsed time = " + elapsedMsec + " msec"); 43 System.err.println("Constructor: currentThread=" 44 + Thread.currentThread().getName()); 45 } 46 47 @Override public void init() { 48 System.err.println("init: currentThread=" 49 + Thread.currentThread().getName()); 50 } 51 52 @Override public void start(Stage stage) { 53 System.err.println("start: currentThread=" 54 + Thread.currentThread().getName()); 55 56 stage.setTitle("Launch from New Thread"); 57 58 Group root = new Group(); 59 Scene scene = new Scene(root, 600, 450); 60 scene.setFill(Color.LIGHTGREEN); 61 62 Rectangle rect = new Rectangle(); 63 rect.setX(25); 64 rect.setY(40); 65 rect.setWidth(100); 66 rect.setHeight(50); 67 rect.setFill(Color.RED); 68 69 root.getChildren().add(rect); 70 stage.setScene(scene); 71 stage.show(); 72 System.err.println("You should now see the 'HelloWorld' rectangle in the window"); 73 } 74 75 @Override public void stop() { 76 System.err.println("stop: currentThread=" 77 + Thread.currentThread().getName()); 78 } 79 80 /** 81 * @param args the command line arguments 82 */ 83 public static void main(final String[] args) { 84 System.err.println("main: currentThread=" 85 + Thread.currentThread().getName()); 86 new Thread(() -> { 87 // Sleep for a very short time to ensure main thread exits, 88 // since that will provoke RT-9824 89 try { 90 Thread.sleep(100); 91 } catch (InterruptedException ex) {} 92 System.err.println("Calling Application.launch from currentThread=" 93 + Thread.currentThread().getName()); 94 System.err.print("LAUNCHING..."); 95 System.err.flush(); 96 startTime = System.nanoTime(); 97 Application.launch(HelloLaunchOnNewThread.class, args); 98 System.err.println("Application.launch returns"); 99 }).start(); 100 System.err.println("Main thread exiting: currentThread=" 101 + Thread.currentThread().getName()); 102 } 103 }