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/****************************************************************************
* Copyright (c) 2004 Composent, 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:
* Composent, Inc. - initial API and implementation
*****************************************************************************/
package org.eclipse.ecf.internal.provider.datashare;
import org.eclipse.core.runtime.IAdapterManager;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.ecf.core.IContainerManager;
import org.eclipse.ecf.core.util.AdapterManagerTracker;
import org.eclipse.ecf.core.util.LogHelper;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.service.log.LogService;
import org.osgi.util.tracker.ServiceTracker;
/**
* The main plugin class to be used in the desktop.
*/
public class Activator implements BundleActivator {
public static final String PLUGIN_ID = "org.eclipse.ecf.provider.datashare"; //$NON-NLS-1$
//The shared instance.
private static Activator plugin;
private BundleContext context = null;
private ServiceTracker logServiceTracker = null;
private AdapterManagerTracker adapterManagerTracker = null;
private ServiceTracker containerManagerTracker = null;
/**
* The constructor.
*/
public Activator() {
plugin = this;
}
protected LogService getLogService() {
if (logServiceTracker == null) {
logServiceTracker = new ServiceTracker(this.context, LogService.class.getName(), null);
logServiceTracker.open();
}
return (LogService) logServiceTracker.getService();
}
public void log(IStatus status) {
LogService logService = getLogService();
if (logService != null) {
logService.log(LogHelper.getLogCode(status), LogHelper.getLogMessage(status), status.getException());
}
}
/**
* This method is called upon plug-in activation
*/
public void start(BundleContext ctxt) throws Exception {
this.context = ctxt;
}
/**
* This method is called when the plug-in is stopped
*/
public void stop(BundleContext ctxt) throws Exception {
if (logServiceTracker != null) {
logServiceTracker.close();
logServiceTracker = null;
}
if (adapterManagerTracker != null) {
adapterManagerTracker.close();
adapterManagerTracker = null;
}
if (containerManagerTracker != null) {
containerManagerTracker.close();
containerManagerTracker = null;
}
this.context = null;
plugin = null;
}
/**
* Returns the shared instance.
*
* @return the shared instance.
*/
public synchronized static Activator getDefault() {
if (plugin == null) {
plugin = new Activator();
}
return plugin;
}
public IAdapterManager getAdapterManager() {
// First, try to get the adapter manager via
if (adapterManagerTracker == null) {
adapterManagerTracker = new AdapterManagerTracker(this.context);
adapterManagerTracker.open();
}
return adapterManagerTracker.getAdapterManager();
}
/**
* @return IContainerManager instance
*/
public IContainerManager getContainerManager() {
if (containerManagerTracker == null) {
containerManagerTracker = new ServiceTracker(this.context, IContainerManager.class.getName(), null);
containerManagerTracker.open();
}
return (IContainerManager) containerManagerTracker.getService();
}
}
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