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/*******************************************************************************
* Copyright (c) 2012 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.tcf.filesystem.core.activator;
import java.util.Hashtable;
import org.eclipse.core.runtime.Plugin;
import org.eclipse.tcf.te.tcf.filesystem.core.internal.url.TcfURLConnection;
import org.eclipse.tcf.te.tcf.filesystem.core.internal.url.TcfURLStreamHandlerService;
import org.eclipse.tcf.te.tcf.filesystem.core.internal.utils.PersistenceManager;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;
import org.osgi.service.url.URLConstants;
import org.osgi.service.url.URLStreamHandlerService;
/**
* The activator class of the core file system plugin.
*/
public class CorePlugin extends Plugin {
// The bundle context of this plugin.
private static BundleContext context;
// The shared instance of this plug-in.
private static CorePlugin plugin;
// The service registration for the "tcf" URL stream handler.
private ServiceRegistration<?> regURLStreamHandlerService;
/**
* Get the bundle context of this plugin.
* @return The bundle context object.
*/
static BundleContext getContext() {
return context;
}
/*
* (non-Javadoc)
* @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
*/
@Override
public void start(BundleContext bundleContext) throws Exception {
super.start(bundleContext);
CorePlugin.context = bundleContext;
plugin = this;
// Register the "tcf" URL stream handler service.
Hashtable<String, String[]> properties = new Hashtable<String, String[]>();
properties.put(URLConstants.URL_HANDLER_PROTOCOL, new String[] { TcfURLConnection.PROTOCOL_SCHEMA });
regURLStreamHandlerService = context.registerService(URLStreamHandlerService.class.getName(), new TcfURLStreamHandlerService(), properties);
}
/*
* (non-Javadoc)
* @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
*/
@Override
public void stop(BundleContext bundleContext) throws Exception {
if (PersistenceManager.needsDisposal()) PersistenceManager.getInstance().dispose();
if (regURLStreamHandlerService != null) {
// When URL stream handler service is unregistered, any URL related operation will be invalid.
regURLStreamHandlerService.unregister();
regURLStreamHandlerService = null;
}
CorePlugin.context = null;
plugin = null;
super.stop(bundleContext);
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static CorePlugin getDefault() {
return plugin;
}
/**
* Convenience method which returns the unique identifier of this plugin.
*/
public static String getUniqueIdentifier() {
if (getContext() != null && getContext().getBundle() != null) {
return getContext().getBundle().getSymbolicName();
}
return "org.eclipse.tcf.te.tcf.filesystem.core"; //$NON-NLS-1$
}
}
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