| 1 | // Copyright 2004-2007 Jean-Francois Poilpret |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package net.sourceforge.hiveboard.util; |
| 16 | |
| 17 | import java.awt.EventQueue; |
| 18 | import java.awt.Frame; |
| 19 | |
| 20 | /** |
| 21 | * Utility class that avoids calling <code>System.exit()</code> from the AWT |
| 22 | * Event Dispatch Thread (not good practice, and generates problems when using |
| 23 | * abbot tools for GUI testing). |
| 24 | * @author Jean-Francois Poilpret |
| 25 | */ |
| 26 | final public class ExitManager |
| 27 | { |
| 28 | static private boolean _exitCalled = false; |
| 29 | |
| 30 | private ExitManager() |
| 31 | { |
| 32 | } |
| 33 | |
| 34 | static public void exit(int code) |
| 35 | { |
| 36 | exit(code, false); |
| 37 | } |
| 38 | |
| 39 | static public void exit(final int code, boolean silent) |
| 40 | { |
| 41 | if (_exitCalled) |
| 42 | { |
| 43 | return; |
| 44 | } |
| 45 | _exitCalled = true; |
| 46 | if (EventQueue.isDispatchThread()) |
| 47 | { |
| 48 | disposeFrames(); |
| 49 | } |
| 50 | else |
| 51 | { |
| 52 | // CSOFF: EmptyBlockCheck |
| 53 | // CSOFF: IllegalCatchCheck |
| 54 | try |
| 55 | { |
| 56 | EventQueue.invokeAndWait(new Runnable() |
| 57 | { |
| 58 | public void run() |
| 59 | { |
| 60 | disposeFrames(); |
| 61 | } |
| 62 | }); |
| 63 | } |
| 64 | catch (Exception e) |
| 65 | { |
| 66 | // Don't do anything |
| 67 | } |
| 68 | // CSON: IllegalCatchCheck |
| 69 | // CSON: EmptyBlockCheck |
| 70 | } |
| 71 | if (!silent) |
| 72 | { |
| 73 | throw new ExitException(code); |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | static private void disposeFrames() |
| 78 | { |
| 79 | Frame[] frames = Frame.getFrames(); |
| 80 | for (int i = 0; i < frames.length; i++) |
| 81 | { |
| 82 | if (frames[i].isDisplayable()) |
| 83 | { |
| 84 | frames[i].dispose(); |
| 85 | } |
| 86 | } |
| 87 | } |
| 88 | } |