/*******************************************************************************
* Copyright (c) 2009 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 at.bestsolution.efxclipse.runtime.demo.contacts;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.osgi.service.datalocation.Location;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.Filter;
import org.osgi.framework.InvalidSyntaxException;
import org.osgi.util.tracker.ServiceTracker;
public class BundleActivatorImpl implements BundleActivator {
private static final String F_META_AREA = ".metadata"; //$NON-NLS-1$
private static final String F_PLUGIN_DATA = ".plugins"; //$NON-NLS-1$
private static BundleActivatorImpl instance;
private BundleContext context;
private ServiceTracker locationServiceTracker;
private IPath stateLocation;
public void start(BundleContext context) throws Exception {
instance = this;
this.context = context;
}
public void stop(BundleContext context) throws Exception {
this.context = null;
instance = null;
}
public IPath getStateLocation() {
try {
if (stateLocation == null) {
Filter filter = context.createFilter(Location.INSTANCE_FILTER);
if (locationServiceTracker == null) {
locationServiceTracker = new ServiceTracker(context,
filter, null);
locationServiceTracker.open();
}
Location location = (Location) locationServiceTracker
.getService();
if (location != null) {
IPath path = new Path(location.getURL().getPath());
stateLocation = path.append(F_META_AREA).append(
F_PLUGIN_DATA).append(
context.getBundle().getSymbolicName());
stateLocation.toFile().mkdirs();
}
}
} catch (InvalidSyntaxException e) {
// ignore this. It should never happen as we have tested the above
// format.
}
return stateLocation;
}
public static BundleActivatorImpl getInstance() {
return instance;
}
}