/*
* 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.features.management.internal;
import java.net.URI;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Hashtable;
import java.util.List;
import javax.management.MBeanNotificationInfo;
import javax.management.MBeanRegistration;
import javax.management.MBeanServer;
import javax.management.NotCompliantMBeanException;
import javax.management.Notification;
import javax.management.NotificationBroadcasterSupport;
import javax.management.ObjectName;
import javax.management.openmbean.TabularData;
import org.apache.karaf.features.Feature;
import org.apache.karaf.features.FeatureEvent;
import org.apache.karaf.features.FeaturesListener;
import org.apache.karaf.features.FeaturesService;
import org.apache.karaf.features.Repository;
import org.apache.karaf.features.RepositoryEvent;
import org.apache.karaf.features.management.FeaturesServiceMBean;
import org.apache.karaf.features.management.codec.JmxFeature;
import org.apache.karaf.features.management.codec.JmxFeatureEvent;
import org.apache.karaf.features.management.codec.JmxRepository;
import org.apache.karaf.features.management.codec.JmxRepositoryEvent;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;
/**
* Implementation of {@link FeaturesServiceMBean}.
*/
public class FeaturesServiceMBeanImpl extends StandardEmitterMBean implements
MBeanRegistration, FeaturesServiceMBean {
private ServiceRegistration registration;
private BundleContext bundleContext;
private ObjectName objectName;
private volatile long sequenceNumber = 0;
private MBeanServer server;
private FeaturesService featuresService;
public FeaturesServiceMBeanImpl() throws NotCompliantMBeanException {
super(FeaturesServiceMBean.class);
}
public ObjectName preRegister(MBeanServer server, ObjectName name) throws Exception {
objectName = name;
this.server = server;
return name;
}
public void postRegister(Boolean registrationDone) {
registration = bundleContext.registerService(FeaturesListener.class.getName(),
getFeaturesListener(), new Hashtable());
}
public void preDeregister() throws Exception {
registration.unregister();
}
public void postDeregister() {
}
/**
* {@inheritDoc}
*/
public TabularData getFeatures() throws Exception {
try {
List<Feature> allFeatures = Arrays.asList(featuresService.listFeatures());
List<Feature> insFeatures = Arrays.asList(featuresService.listInstalledFeatures());
ArrayList<JmxFeature> features = new ArrayList<JmxFeature>();
for (Feature feature : allFeatures) {
features.add(new JmxFeature(feature, insFeatures.contains(feature)));
}
TabularData table = JmxFeature.tableFrom(features);
return table;
} catch (Throwable t) {
t.printStackTrace();
return null;
}
}
/**
* {@inheritDoc}
*/
public TabularData getRepositories() throws Exception {
try {
List<Repository> allRepositories = Arrays.asList(featuresService.listRepositories());
ArrayList<JmxRepository> repositories = new ArrayList<JmxRepository>();
for (Repository repository : allRepositories) {
repositories.add(new JmxRepository(repository));
}
TabularData table = JmxRepository.tableFrom(repositories);
return table;
} catch (Throwable t) {
t.printStackTrace();
return null;
}
}
public void addRepository(String uri) throws Exception {
featuresService.addRepository(new URI(uri));
}
public void removeRepository(String uri) throws Exception {
featuresService.removeRepository(new URI(uri));
}
public void installFeature(String name) throws Exception {
featuresService.installFeature(name);
}
public void installFeature(String name, String version) throws Exception {
featuresService.installFeature(name, version);
}
public void uninstallFeature(String name) throws Exception {
featuresService.uninstallFeature(name);
}
public void uninstallFeature(String name, String version) throws Exception {
featuresService.uninstallFeature(name, version);
}
public void setBundleContext(BundleContext bundleContext) {
this.bundleContext = bundleContext;
}
public void setFeaturesService(FeaturesService featuresService) {
this.featuresService = featuresService;
}
public FeaturesListener getFeaturesListener() {
return new FeaturesListener() {
public void featureEvent(FeatureEvent event) {
if (!event.isReplay()) {
Notification notification = new Notification(FEATURE_EVENT_TYPE, objectName, sequenceNumber++);
notification.setUserData(new JmxFeatureEvent(event).asCompositeData());
sendNotification(notification);
}
}
public void repositoryEvent(RepositoryEvent event) {
if (!event.isReplay()) {
Notification notification = new Notification(REPOSITORY_EVENT_TYPE, objectName, sequenceNumber++);
notification.setUserData(new JmxRepositoryEvent(event).asCompositeData());
sendNotification(notification);
}
}
public boolean equals(Object o) {
if (this == o) {
return true;
}
return o.equals(this);
}
};
}
public MBeanNotificationInfo[] getNotificationInfo() {
return getBroadcastInfo();
}
private static MBeanNotificationInfo[] getBroadcastInfo() {
String type = Notification.class.getCanonicalName();
MBeanNotificationInfo info1 = new MBeanNotificationInfo(new String[] {FEATURE_EVENT_EVENT_TYPE},
type, "Some features notification");
MBeanNotificationInfo info2 = new MBeanNotificationInfo(new String[] {REPOSITORY_EVENT_EVENT_TYPE},
type, "Some repository notification");
return new MBeanNotificationInfo[] {info1, info2};
}
}