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 java.util.concurrent.atomic.AtomicBoolean; 29 import javafx.application.Application; 30 import javafx.scene.Group; 31 import javafx.scene.Scene; 32 import javafx.scene.paint.Color; 33 import javafx.scene.shape.Rectangle; 34 import javafx.stage.Stage; 35 36 public class HelloLaunchOnNewThread extends Application { 37 38 static long startTime; 39 static AtomicBoolean mainCalled = new AtomicBoolean(false); 40 41 public HelloLaunchOnNewThread() { 42 long endTime = System.nanoTime(); 43 long elapsedMsec = (endTime - startTime + 500000) / 1000000; 44 System.err.println("DONE: elapsed time = " + elapsedMsec + " msec"); 45 System.err.println("Constructor: currentThread=" 46 + Thread.currentThread().getName()); 47 if (!mainCalled.get()) { 48 System.err.println("***************************************"); 49 System.err.println("*** ERROR: main() method not called ***"); 50 System.err.println("***************************************"); 51 } 52 } 53 54 @Override public void init() { 55 System.err.println("init: currentThread=" 56 + Thread.currentThread().getName()); 57 } 58 59 @Override public void start(Stage stage) { 60 System.err.println("start: currentThread=" 61 + Thread.currentThread().getName()); 62 63 stage.setTitle("Launch from New Thread"); 64 65 Group root = new Group(); 66 Scene scene = new Scene(root, 600, 450); 67 scene.setFill(Color.LIGHTGREEN); 68 69 Rectangle rect = new Rectangle(); 70 rect.setX(25); 71 rect.setY(40); 72 rect.setWidth(100); 73 rect.setHeight(50); 74 rect.setFill(Color.RED); 75 76 root.getChildren().add(rect); 77 stage.setScene(scene); 78 stage.show(); 79 System.err.println("You should now see the 'HelloWorld' rectangle in the window"); 80 } 81 82 @Override public void stop() { 83 System.err.println("stop: currentThread=" 84 + Thread.currentThread().getName()); 85 } 86 87 /** 88 * @param args the command line arguments 89 */ 90 public static void main(final String[] args) { 91 mainCalled.set(true); 92 System.err.println("main: currentThread=" 93 + Thread.currentThread().getName()); 94 new Thread(() -> { 95 // Sleep for a very short time to ensure main thread exits, 96 // since that will provoke RT-9824 97 try { 98 Thread.sleep(100); 99 } catch (InterruptedException ex) {} 100 System.err.println("Calling Application.launch from currentThread=" 101 + Thread.currentThread().getName()); 102 System.err.print("LAUNCHING..."); 103 System.err.flush(); 104 startTime = System.nanoTime(); 105 Application.launch(HelloLaunchOnNewThread.class, args); 106 System.err.println("Application.launch returns"); 107 }).start(); 108 System.err.println("Main thread exiting: currentThread=" 109 + Thread.currentThread().getName()); 110 } 111 }