1 /* 2 * Copyright (c) 2007, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.awt.Component; 25 import java.awt.IllegalComponentStateException; 26 27 public class Flag { 28 29 public static final int ATTEMPTS = 50; 30 31 private volatile boolean flag; 32 private final Object monitor = new Object(); 33 private final long delay; 34 35 public Flag() { 36 this.delay = 500; 37 } 38 39 public void reset() { 40 flag = false; 41 } 42 43 public void flagTriggered() { 44 synchronized (monitor) { 45 flag = true; 46 monitor.notifyAll(); 47 } 48 } 49 50 public boolean flag() { 51 return flag; 52 } 53 54 public void waitForFlagTriggered() throws InterruptedException { 55 waitForFlagTriggered(delay, ATTEMPTS); 56 } 57 58 public void waitForFlagTriggered(int attempts) throws InterruptedException { 59 waitForFlagTriggered(delay, attempts); 60 } 61 62 public void waitForFlagTriggered(long delay) throws InterruptedException { 63 waitForFlagTriggered(delay, ATTEMPTS); 64 } 65 66 private void waitForFlagTriggered(long delay, int attempts) throws InterruptedException { 67 int a = 0; 68 synchronized (monitor) { 69 while (!flag && (a++ < attempts)) { 70 monitor.wait(delay); 71 } 72 } 73 } 74 75 public static void waitTillShown(final Component comp) throws InterruptedException { 76 while (true) { 77 try { 78 Thread.sleep(100); 79 comp.getLocationOnScreen(); 80 break; 81 } catch (IllegalComponentStateException e) {} 82 } 83 } 84 }