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      1 /*******************************************************************************
      2  * Copyright (c) 2000, 2009 IBM Corporation and others.
      3  * All rights reserved. This program and the accompanying materials
      4  * are made available under the terms of the Eclipse Public License v1.0
      5  * which accompanies this distribution, and is available at
      6  * http://www.eclipse.org/legal/epl-v10.html
      7  *
      8  * Contributors:
      9  *     IBM Corporation - initial API and implementation
     10  *******************************************************************************/
     11 package org.eclipse.test.performance.ui;
     12 
     13 import org.eclipse.core.runtime.Plugin;
     14 import org.eclipse.core.runtime.preferences.InstanceScope;
     15 import org.eclipse.jface.preference.IPreferenceStore;
     16 import org.eclipse.ui.preferences.ScopedPreferenceStore;
     17 import org.osgi.framework.BundleContext;
     18 
     19 /**
     20  * The main plugin class to be used in the desktop.
     21  */
     22 public class UiPlugin extends Plugin {
     23 	//The shared instance.
     24 	private static UiPlugin plugin;
     25 	private IPreferenceStore preferenceStore;
     26 
     27 	/**
     28 	 * The constructor.
     29 	 */
     30 	public UiPlugin() {
     31 		super();
     32 		if (plugin == null) {
     33 			plugin = this;
     34 		}
     35 	}
     36 
     37 	/**
     38 	 * This method is called upon plug-in activation
     39 	 */
     40 	public void start(BundleContext context) throws Exception {
     41 		super.start(context);
     42 	}
     43 
     44 	/**
     45 	 * This method is called when the plug-in is stopped
     46 	 */
     47 	public void stop(BundleContext context) throws Exception {
     48 		super.stop(context);
     49 		plugin = null;
     50 	}
     51 
     52 	/**
     53 	 * Returns the shared instance.
     54 	 */
     55 	public static UiPlugin getDefault() {
     56 		return plugin;
     57 	}
     58 
     59 	public IPreferenceStore getPreferenceStore() {
     60 		if (this.preferenceStore == null) {
     61 			this.preferenceStore = new ScopedPreferenceStore(new InstanceScope(), getBundle().getSymbolicName());
     62 
     63 		}
     64 		return this.preferenceStore;
     65 	}
     66 
     67 }
     68