/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.karaf.cellar.bundle.shell;
import org.apache.felix.gogo.commands.Command;
import org.apache.karaf.cellar.bundle.BundleState;
import org.apache.karaf.cellar.bundle.ClusterBundleEvent;
import org.apache.karaf.cellar.bundle.Constants;
import org.apache.karaf.cellar.core.CellarSupport;
import org.apache.karaf.cellar.core.Configurations;
import org.apache.karaf.cellar.core.Group;
import org.apache.karaf.cellar.core.control.SwitchStatus;
import org.apache.karaf.cellar.core.event.EventProducer;
import org.apache.karaf.cellar.core.event.EventType;
import org.osgi.framework.BundleEvent;
import java.util.Map;
@Command(scope = "cluster", name = "bundle-uninstall", description = "Uninstall a bundle from a cluster group")
public class UninstallBundleCommand extends BundleCommandSupport {
private EventProducer eventProducer;
@Override
protected Object doExecute() throws Exception {
// check if cluster group exists
Group group = groupManager.findGroupByName(groupName);
if (group == null) {
System.err.println("Cluster group " + groupName + " doesn't exist");
return null;
}
// check if the producer is ON
if (eventProducer.getSwitch().getStatus().equals(SwitchStatus.OFF)) {
System.err.println("Cluster event producer is OFF");
return null;
}
// update the bundle in the cluster group
ClassLoader originalClassLoader = Thread.currentThread().getContextClassLoader();
Thread.currentThread().setContextClassLoader(getClass().getClassLoader());
String location;
String key = null;
try {
Map<String, BundleState> clusterBundles = clusterManager.getMap(Constants.BUNDLE_MAP + Configurations.SEPARATOR + groupName);
key = selector(clusterBundles);
if (key == null) {
System.err.println("Bundle " + key + " not found in cluster group " + groupName);
return null;
}
BundleState state = clusterBundles.get(key);
if (state == null) {
System.err.println("Bundle " + key + " not found in cluster group " + groupName);
return null;
}
location = state.getLocation();
// check if the bundle is allowed
CellarSupport support = new CellarSupport();
support.setClusterManager(this.clusterManager);
support.setGroupManager(this.groupManager);
support.setConfigurationAdmin(this.configurationAdmin);
if (!support.isAllowed(group, Constants.CATEGORY, location, EventType.OUTBOUND)) {
System.err.println("Bundle location " + location + " is blocked outbound");
return null;
}
clusterBundles.remove(key);
} finally {
Thread.currentThread().setContextClassLoader(originalClassLoader);
}
// broadcast the cluster event
String[] split = key.split("/");
ClusterBundleEvent event = new ClusterBundleEvent(split[0], split[1], location, BundleEvent.UNINSTALLED);
event.setSourceGroup(group);
eventProducer.produce(event);
return null;
}
public EventProducer getEventProducer() {
return eventProducer;
}
public void setEventProducer(EventProducer eventProducer) {
this.eventProducer = eventProducer;
}
}