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package org.eclipse.equinox.p2.examples.rcp.cloud;
import org.eclipse.equinox.p2.examples.rcp.cloud.p2.CloudPolicy;
import org.eclipse.equinox.p2.ui.Policy;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;
/**
* The activator class controls the plug-in life cycle
*/
public class Activator extends AbstractUIPlugin {
// The plug-in ID
public static final String PLUGIN_ID = "org.eclipse.equinox.p2.examples.rcp.cloud";
// The shared instance
private static Activator plugin;
ServiceRegistration<Policy> policyRegistration;
/**
* The constructor
*/
public Activator() {
}
@Override
public void start(BundleContext context) throws Exception {
super.start(context);
plugin = this;
/// XXX register the p2 UI policy
registerP2Policy(context);
}
@Override
public void stop(BundleContext context) throws Exception {
plugin = null;
// XXX unregister the UI policy
policyRegistration.unregister();
policyRegistration = null;
super.stop(context);
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static Activator getDefault() {
return plugin;
}
/**
* Returns an image descriptor for the image file at the given plug-in relative
* path
*
* @param path the path
* @return the image descriptor
*/
public static ImageDescriptor getImageDescriptor(String path) {
return imageDescriptorFromPlugin(PLUGIN_ID, path);
}
private void registerP2Policy(BundleContext context) {
policyRegistration = context.registerService(Policy.class, new CloudPolicy(), null);
}
}
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