Utilizando Equinox P2 - Obtendo informações sobre plugins e features instaladas

import org.eclipse.core.runtime.Platform;
import org.eclipse.equinox.p2.engine.IProfileRegistry;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.p2.metadata.Version;
import org.eclipse.equinox.p2.operations.ProvisioningSession;
import org.eclipse.equinox.p2.query.IQueryResult;
import org.eclipse.equinox.p2.query.IQueryable;
import org.eclipse.equinox.p2.query.QueryUtil;
import org.eclipse.equinox.p2.ui.ProvisioningUI;

...


try {
	ProvisioningUI provisioningUI = ProvisioningUI.getDefaultUI();

	if ( null == provisioningUI ) {
		return;
	}

	String profileId = provisioningUI.getProfileId();

	ProvisioningSession provisioningSession = provisioningUI.getSession();

	if ( null == provisioningSession ) {
		return;
	}

	IQueryable<IInstallableUnit> queryable = ((IProfileRegistry) provisioningSession.getProvisioningAgent().getService(IProfileRegistry.SERVICE_NAME))
			.getProfile( profileId );


	if ( null == queryable ) {
		return;
	}

	// to get the product ID
	//String pId = Platform.getProduct().getId();
	
	String pId = "feature.1";

	if ( null != queryable ) {
		IQueryResult<IInstallableUnit> iqr = queryable.query( QueryUtil.createIUQuery( pId ), null );

		if ( null != iqr ) {
			Iterator<IInstallableUnit> ius = iqr.iterator();
			if( ius.hasNext() ) {
				IInstallableUnit iu = ius.next();
				Version v = iu.getVersion();

				if ( null != v ) {
					System.out.println( "ID: " + iu.getId() + " | IU: " + iu.toString() + " | Version: " + v.toString() );
				}
			}
		}
	}
} catch ( Exception e ) {
	System.out.println( e.getStackTrace() );
	return;
}