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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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import org.openide.util.Lookup;
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/** Manages major aspects of the NetBeans lifecycle - currently saving all objects and exiting.
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public abstract class LifecycleManager {
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/** Subclass constructor. */
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protected LifecycleManager() {
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* Get the default lifecycle manager.
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* Normally this is found in {@link Lookup#getDefault} but if no instance is
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* found there, a fallback instance is returned which behaves as follows:
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* <li>{@link #saveAll} does nothing
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* <li>{@link #exit} calls {@link System#exit} with an exit code of 0
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* This is useful for unit tests and perhaps standalone library usage.
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* @return the default instance (never null)
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public static LifecycleManager getDefault() {
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LifecycleManager lm = Lookup.getDefault().lookup(LifecycleManager.class);
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/** Save all opened objects.
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public abstract void saveAll();
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* This method will return only if {@link java.lang.System#exit} fails, or if at least one component of the
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* system refuses to exit (because it cannot be properly shut down).
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public abstract void exit();
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/** Fallback instance. */
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private static final class Trivial extends LifecycleManager {
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public void saveAll() {