| /******************************************************************************* |
| * Copyright (c) 2013, 2015 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.e4.ui.tests; |
| |
| import org.eclipse.core.runtime.Plugin; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.service.event.EventAdmin; |
| import org.osgi.service.packageadmin.PackageAdmin; |
| import org.osgi.util.tracker.ServiceTracker; |
| |
| /** |
| * The activator class controls the plug-in life cycle |
| */ |
| public class Activator extends Plugin { |
| |
| private ServiceTracker eventAdminTracker; |
| private ServiceTracker packageAdminTracker; |
| // The plug-in ID |
| public static final String PLUGIN_ID = "org.eclipse.e4.ui.tests"; |
| |
| // The shared instance |
| private static Activator plugin; |
| |
| /** |
| * The constructor |
| */ |
| public Activator() { |
| } |
| |
| @Override |
| public void start(BundleContext context) throws Exception { |
| super.start(context); |
| plugin = this; |
| } |
| |
| @Override |
| public void stop(BundleContext context) throws Exception { |
| if (eventAdminTracker != null) { |
| eventAdminTracker.close(); |
| eventAdminTracker = null; |
| } |
| if (packageAdminTracker != null) { |
| packageAdminTracker.close(); |
| packageAdminTracker = null; |
| } |
| plugin = null; |
| super.stop(context); |
| } |
| |
| /** |
| * Returns the shared instance |
| * |
| * @return the shared instance |
| */ |
| public static Activator getDefault() { |
| return plugin; |
| } |
| |
| public EventAdmin getEventAdmin() { |
| if (eventAdminTracker == null) { |
| BundleContext bundleContext = plugin.getBundle().getBundleContext(); |
| if (bundleContext == null) |
| return null; |
| eventAdminTracker = new ServiceTracker(bundleContext, |
| EventAdmin.class.getName(), null); |
| eventAdminTracker.open(); |
| } |
| return (EventAdmin) eventAdminTracker.getService(); |
| } |
| |
| public PackageAdmin getPackageAdmin() { |
| if (packageAdminTracker == null) { |
| BundleContext bundleContext = plugin.getBundle().getBundleContext(); |
| if (bundleContext == null) |
| return null; |
| packageAdminTracker = new ServiceTracker(bundleContext, |
| PackageAdmin.class.getName(), null); |
| packageAdminTracker.open(); |
| } |
| return (PackageAdmin) packageAdminTracker.getService(); |
| } |
| |
| /** |
| * Generate a platform URI referencing the provided class. |
| * |
| * @param clazz |
| * the class to be referenced |
| * @return the platform-based URI: bundleclass://X/X.Y |
| */ |
| public static String asURI(Class<?> clazz) { |
| PackageAdmin pkgadm = getDefault().getPackageAdmin(); |
| return "bundleclass://" + pkgadm.getBundle(clazz).getSymbolicName() |
| + '/' + clazz.getName(); |
| } |
| |
| } |