dsdp/tm/tcf_0_3_x/org.eclipse.tm.tcf.core/activator/org/eclipse/tm/internal/tcf/Activator.java
package org.eclipse.tm.internal.tcf;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.service.packageadmin.PackageAdmin;
import org.osgi.util.tracker.ServiceTracker;
public class Activator implements BundleActivator {
private static final String TCF_INTEGRATION_BUNDLE_ID = "org.eclipse.tm.tcf";
public void start(BundleContext context) throws Exception {
/*
* Activate TCF Eclipse integration bundle "org.eclipse.tm.tcf".
* It must be activated explicitly, because default activation through
* class loading may never happen - most client don't need classes from that bundle.
*/
ServiceTracker tracker = new ServiceTracker(context, PackageAdmin.class.getName(), null);
tracker.open();
Bundle[] bundles = ((PackageAdmin)tracker.getService()).getBundles(TCF_INTEGRATION_BUNDLE_ID, null);
int cnt = 0;
if (bundles != null) {
for (Bundle bundle : bundles) {
if ((bundle.getState() & (Bundle.INSTALLED | Bundle.UNINSTALLED)) == 0) {
bundle.start(Bundle.START_TRANSIENT);
cnt++;
}
}
}
if (cnt != 1) throw new Exception("Invalid or missing bundle: " + TCF_INTEGRATION_BUNDLE_ID);
}
public void stop(BundleContext context) throws Exception {
}
}