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package org.glassfish.extras.osgicontainer;
import org.glassfish.api.deployment.Deployer;
import org.glassfish.api.deployment.DeploymentContext;
import org.glassfish.api.deployment.MetaData;
import org.glassfish.api.deployment.OpsParams;
import org.jvnet.hk2.annotations.Service;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.BundleException;
import org.osgi.framework.BundleReference;
import org.osgi.service.packageadmin.PackageAdmin;
import java.io.File;
/**
* OSGi deployer, takes care of loading and cleaning modules from the OSGi runtime.
*
* @author Jerome Dochez
* @author Sanjeeb Sahoo
*/
@Service
public class OSGiDeployer implements Deployer<OSGiContainer, OSGiDeployedBundle> {
public OSGiDeployedBundle load(OSGiContainer container, DeploymentContext context) {
return new OSGiDeployedBundle(getApplicationBundle(context, true));
}
public void unload(OSGiDeployedBundle appContainer, DeploymentContext context) {
}
public void clean(DeploymentContext context) {
try {
OpsParams params = context.getCommandParameters(OpsParams.class);
// we should clean for both undeployment and the failed deployment
if (params.origin.isUndeploy() || params.origin.isDeploy()) {
Bundle bundle = getApplicationBundle(context);
bundle.uninstall();
getPA().refreshPackages(new Bundle[]{bundle});
System.out.println("Uninstalled " + bundle);
}
} catch (BundleException e) {
throw new RuntimeException(e);
}
}
private PackageAdmin getPA() {
final BundleContext context = getBundleContext();
return (PackageAdmin) context.getService(context.getServiceReference(PackageAdmin.class.getName()));
}
public MetaData getMetaData() {
return null;
}
public <V> V loadMetaData(Class<V> type, DeploymentContext context) {
return null;
}
public boolean prepare(DeploymentContext context) {
File file = context.getSourceDir();
OpsParams params = context.getCommandParameters(OpsParams.class);
if (params.origin.isDeploy()) {
assert(file.isDirectory());
installBundle(makeBundleLocation(file));
}
return true;
}
private Bundle installBundle(final String location) {
try {
Bundle bundle = getBundleContext().installBundle(location);
System.out.println("Installed " + bundle + " from " + bundle.getLocation());
return bundle;
} catch (BundleException e) {
throw new RuntimeException(e);
}
}
private BundleContext getBundleContext() {
return BundleReference.class.cast(getClass().getClassLoader()).getBundle().getBundleContext();
}
private Bundle getApplicationBundle(DeploymentContext context, boolean reinstallIfAbsent) {
String location = makeBundleLocation(context.getSourceDir());
for(Bundle b : getBundleContext().getBundles()) {
if (location.equals(b.getLocation())) {
return b;
}
}
if (reinstallIfAbsent) {
System.out.println("Bundle does not exist, so reinstalling from " + location);
return installBundle(location);
}
throw new RuntimeException("Unable to determine bundle corresponding to application location " + context.getSourceDir());
}
private Bundle getApplicationBundle(DeploymentContext context) {
return getApplicationBundle(context, false);
}
private String makeBundleLocation(File file) {
return "reference:" + file.toURI();
}
}