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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
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* The contents of this file are subject to the terms of either the GNU
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* General Public License Version 2 only ("GPL") or the Common
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* Development and Distribution License("CDDL") (collectively, the
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* "License"). You may not use this file except in compliance with the
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* License. You can obtain a copy of the License at
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* http://www.netbeans.org/cddl-gplv2.html
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* or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
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* specific language governing permissions and limitations under the
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* License. When distributing the software, include this License Header
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* Notice in each file and include the License file at
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* nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the GPL Version 2 section of the License file that
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* accompanied this code. If applicable, add the following below the
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* License Header, with the fields enclosed by brackets [] replaced by
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* your own identifying information:
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* "Portions Copyrighted [year] [name of copyright owner]"
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* The Original Software is NetBeans. The Initial Developer of the Original
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* Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
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* Microsystems, Inc. All Rights Reserved.
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* If you wish your version of this file to be governed by only the CDDL
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* or only the GPL Version 2, indicate your decision by adding
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* "[Contributor] elects to include this software in this distribution
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* under the [CDDL or GPL Version 2] license." If you do not indicate a
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* single choice of license, a recipient has the option to distribute
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* your version of this file under either the CDDL, the GPL Version 2 or
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* to extend the choice of license to its licensees as provided above.
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* However, if you add GPL Version 2 code and therefore, elected the GPL
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* Version 2 license, then the option applies only if the new code is
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* made subject to such option by the copyright holder.
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package org.netbeans.core.startup;
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import org.openide.util.Exceptions;
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/** The ThreadGroup for catching uncaught exceptions in Corona.
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* @author Ian Formanek
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final class TopThreadGroup extends ThreadGroup implements Runnable {
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/** The command line args */
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private String[] args;
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/** flag that indicates whether the main thread had finished or not */
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private boolean finished;
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/** Constructs a new thread group. The parent of this new group is
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* the thread group of the currently running thread.
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* @param name the name of the new thread group.
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public TopThreadGroup(String name, String[] args) {
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/** Creates a new thread group. The parent of this new group is the
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* specified thread group.
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* The <code>checkAccess</code> method of the parent thread group is
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* called with no arguments; this may result in a security exception.
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* @param parent the parent thread group.
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* @param name the name of the new thread group.
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* @exception NullPointerException if the thread group argument is
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* @exception SecurityException if the current thread cannot create a
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* thread in the specified thread group.
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* @see java.lang.SecurityException
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* @see java.lang.ThreadGroup#checkAccess()
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public TopThreadGroup(ThreadGroup parent, String name) {
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public void uncaughtException(Thread t, Throwable e) {
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if (!(e instanceof ThreadDeath)) {
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if (e instanceof VirtualMachineError) {
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// Try as hard as possible to get a stack trace from e.g. StackOverflowError
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Exceptions.printStackTrace(e);
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super.uncaughtException(t, e);
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public synchronized void start () throws InterruptedException {
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Thread t = new Thread (this, this, "main"); // NOI18N
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} catch (Throwable t) {
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// XXX is this not handled by uncaughtException?
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Exceptions.printStackTrace(t);
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// System is probably broken, so don't just sit there with the splash screen open.
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} catch (InterruptedException x) {
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Exceptions.printStackTrace(x);
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synchronized (this) {