/* | |
* Copyright 2005 The Apache Software Foundation | |
* | |
* 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.felix.jmood; | |
import java.util.Iterator; | |
import java.util.Vector; | |
import javax.management.InstanceAlreadyExistsException; | |
import javax.management.InstanceNotFoundException; | |
import javax.management.MBeanRegistrationException; | |
import javax.management.MBeanServer; | |
import javax.management.MalformedObjectNameException; | |
import javax.management.NotCompliantMBeanException; | |
import javax.management.ObjectName; | |
import org.apache.felix.jmood.compendium.ConfigAdminManager; | |
import org.apache.felix.jmood.compendium.ConfigAdminManagerMBean; | |
import org.apache.felix.jmood.compendium.LogManager; | |
import org.apache.felix.jmood.compendium.LogManagerMBean; | |
import org.apache.felix.jmood.compendium.UserManager; | |
import org.apache.felix.jmood.compendium.UserManagerMBean; | |
import org.apache.felix.jmood.utils.ObjectNames; | |
import org.osgi.framework.Constants; | |
import org.osgi.framework.ServiceEvent; | |
import org.osgi.framework.ServiceListener; | |
import org.osgi.framework.ServiceReference; | |
import org.osgi.service.cm.ConfigurationAdmin; | |
import org.osgi.service.log.LogService; | |
import org.osgi.service.useradmin.UserAdmin; | |
/** | |
* This class will control the life-cycle of MBeans related to OSGi Compendium | |
* Services | |
* | |
* | |
*/ | |
public class CompendiumHandler { | |
private AgentContext ac; | |
private ServiceListener sl; | |
private Vector svcs; | |
private MBeanServer server; | |
public CompendiumHandler(MBeanServer server, AgentContext ac) { | |
super(); | |
this.ac = ac; | |
this.server = server; | |
svcs = new Vector(); | |
svcs.add(ConfigurationAdmin.class.getName()); | |
svcs.add(UserAdmin.class.getName()); | |
svcs.add(LogService.class.getName()); | |
sl = new ServiceListener() { | |
public void serviceChanged(ServiceEvent event) { | |
processServiceEvent(event); | |
} | |
}; | |
} | |
public void initController() { | |
try { | |
if (ac.getConfigurationAdmin() != null) { | |
ConfigAdminManagerMBean ca = new ConfigAdminManager(ac); | |
server | |
.registerMBean(ca, new ObjectName( | |
ObjectNames.CM_SERVICE)); | |
} | |
if (ac.getLogservice() != null) { | |
LogManagerMBean lm = new LogManager(ac); | |
server.registerMBean(lm, | |
new ObjectName(ObjectNames.LOG_SERVICE)); | |
} | |
if (ac.getUserAdmin() != null) { | |
UserManagerMBean um = new UserManager(ac); | |
server | |
.registerMBean(um, new ObjectName( | |
ObjectNames.UA_SERVICE)); | |
} | |
} catch (InstanceAlreadyExistsException e) { | |
ac.error("Unexpected error", e); | |
} catch (MBeanRegistrationException e) { | |
ac.error("Unexpected error", e); | |
} catch (NotCompliantMBeanException e) { | |
ac.error("Unexpected error", e); | |
} catch (MalformedObjectNameException e) { | |
ac.error("Unexpected error", e); | |
} catch (NullPointerException e) { | |
ac.error("Unexpected error", e); | |
} | |
ac.getBundleContext().addServiceListener(sl); | |
} | |
public void dispose() { | |
ac.getBundleContext().removeServiceListener(sl); | |
try { | |
Iterator it = server.queryNames( | |
new ObjectName(ObjectNames.COMPENDIUM + ":*"), null) | |
.iterator(); | |
while (it.hasNext()) | |
server.unregisterMBean((ObjectName) it.next()); | |
} catch (MalformedObjectNameException e) { | |
ac.error("Unexpected error", e); | |
} catch (NullPointerException e) { | |
ac.error("Unexpected error", e); | |
} catch (InstanceNotFoundException e) { | |
ac.error("Unexpected error", e); | |
} catch (MBeanRegistrationException e) { | |
ac.error("Unexpected error", e); | |
} | |
} | |
private void processServiceEvent(ServiceEvent event) { | |
String[] svs = (String[]) event.getServiceReference().getProperty( | |
Constants.OBJECTCLASS); | |
// Check if this event comes from an OSGi compendium service | |
for (int i = 0; i < svs.length; i++) { | |
if (svcs.contains(svs[i])) { | |
if (event.getType() == ServiceEvent.REGISTERED | |
|| event.getType() == ServiceEvent.UNREGISTERING) | |
handleEvent(event.getServiceReference(), svs[i], event | |
.getType()); | |
} | |
} | |
} | |
private void handleEvent(ServiceReference serviceReference, | |
String iService, int eType) { | |
try { | |
if (iService.equals(ConfigurationAdmin.class.getName())) { | |
switch (eType) { | |
case ServiceEvent.REGISTERED: | |
ConfigAdminManagerMBean ca = new ConfigAdminManager(ac); | |
server.registerMBean(ca, new ObjectName( | |
ObjectNames.CM_SERVICE)); | |
break; | |
case ServiceEvent.UNREGISTERING: | |
server.unregisterMBean(new ObjectName( | |
ObjectNames.CM_SERVICE)); | |
break; | |
default: | |
break; | |
} | |
} | |
if (iService.equals(LogService.class.getName())) { | |
switch (eType) { | |
case ServiceEvent.REGISTERED: | |
LogManagerMBean lm = new LogManager(ac); | |
server.registerMBean(lm, new ObjectName( | |
ObjectNames.LOG_SERVICE)); | |
break; | |
case ServiceEvent.UNREGISTERING: | |
server.unregisterMBean(new ObjectName( | |
ObjectNames.LOG_SERVICE)); | |
break; | |
default: | |
break; | |
} | |
} | |
if (iService.equals(UserAdmin.class.getName())) { | |
switch (eType) { | |
case ServiceEvent.REGISTERED: | |
UserManagerMBean um = new UserManager(ac); | |
server.registerMBean(um, new ObjectName( | |
ObjectNames.UA_SERVICE)); | |
break; | |
case ServiceEvent.UNREGISTERING: | |
server.unregisterMBean(new ObjectName( | |
ObjectNames.UA_SERVICE)); | |
break; | |
default: | |
break; | |
} | |
} | |
} catch (InstanceAlreadyExistsException e) { | |
ac.error("Unexpected error", e); | |
} catch (MBeanRegistrationException e) { | |
ac.error("Unexpected error", e); | |
} catch (NotCompliantMBeanException e) { | |
ac.error("Unexpected error", e); | |
} catch (MalformedObjectNameException e) { | |
ac.error("Unexpected error", e); | |
} catch (NullPointerException e) { | |
ac.error("Unexpected error", e); | |
} catch (InstanceNotFoundException e) { | |
ac.error("Unexpected error", e); | |
} | |
} | |
} |