| /******************************************************************************* |
| * Copyright (c) 2008 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.equinox.internal.frameworkadmin.utils; |
| |
| import org.eclipse.osgi.service.pluginconversion.PluginConverter; |
| import org.osgi.framework.*; |
| |
| /** |
| * @since 1.0 |
| */ |
| public class Activator implements BundleActivator { |
| |
| private static BundleContext bundleContext; |
| |
| /* (non-Javadoc) |
| * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext) |
| */ |
| public void start(BundleContext context) throws Exception { |
| bundleContext = context; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext) |
| */ |
| public void stop(BundleContext context) throws Exception { |
| bundleContext = null; |
| } |
| |
| /* |
| * Acquire the plug-in conversion service or return <code>null</code> if it is not available. |
| */ |
| public static PluginConverter acquirePluginConverter() { |
| if (bundleContext == null) |
| return null; |
| ServiceReference reference = bundleContext.getServiceReference(PluginConverter.class.getName()); |
| if (reference == null) |
| return null; |
| PluginConverter result = (PluginConverter) bundleContext.getService(reference); |
| bundleContext.ungetService(reference); |
| return result; |
| } |
| |
| } |