forked from bndtools/bnd
/
Activator.java
59 lines (48 loc) · 1.88 KB
/
Activator.java
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package bndtools.m2e;
import org.eclipse.m2e.core.MavenPlugin;
import org.eclipse.m2e.core.embedder.IMaven;
import org.eclipse.m2e.core.project.IMavenProjectRegistry;
import org.osgi.annotation.bundle.Header;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.FrameworkUtil;
import aQute.bnd.osgi.Constants;
@Header(name = Constants.BUNDLE_ACTIVATOR, value = "${@class}")
public class Activator implements BundleActivator {
/**
* M2E version 2 has implicit support for whiteboard listeners and registers
* services. This activator helps us to work in both situations.
*/
private boolean isM2E_v2;
private MavenProjectChangedListenersTracker projectChangedListenersTracker;
@Override
public void start(BundleContext context) throws Exception {
Bundle bundle = FrameworkUtil.getBundle(MavenPlugin.class);
isM2E_v2 = bundle.getVersion()
.getMajor() == 2;
if (!isM2E_v2) {
projectChangedListenersTracker = new MavenProjectChangedListenersTracker();
IMavenProjectRegistry projectManager = MavenPlugin.getMavenProjectRegistry();
projectManager.addMavenProjectChangedListener(projectChangedListenersTracker);
registerM2EServices(context);
}
}
/**
* These services should only be registered if running on M2E 1.x
*
* @param context
*/
private void registerM2EServices(BundleContext context) {
context.registerService(IMaven.class, MavenPlugin.getMaven(), null);
context.registerService(IMavenProjectRegistry.class, MavenPlugin.getMavenProjectRegistry(), null);
}
@Override
public void stop(BundleContext context) throws Exception {
if (!isM2E_v2) {
IMavenProjectRegistry projectManager = MavenPlugin.getMavenProjectRegistry();
projectManager.removeMavenProjectChangedListener(projectChangedListenersTracker);
projectChangedListenersTracker.close();
}
}
}