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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Copyright @ 2015 Atlassian Pty Ltd
*
* 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 net.java.sip.communicator.impl.sysactivity;
import net.java.sip.communicator.service.sysactivity.*;
import net.java.sip.communicator.util.*;
import org.osgi.framework.*;
/**
* Listens for system activity changes like sleep, network change, inactivity
* and informs all its listeners.
*
* @author Damian Minkov
*/
public class SysActivityActivator
implements BundleActivator
{
/**
* The <tt>Logger</tt> used by this <tt>SysActivityActivator</tt> for
* logging output.
*/
private final Logger logger = Logger.getLogger(SysActivityActivator.class);
/**
* The OSGi <tt>BundleContext</tt>.
*/
private static BundleContext bundleContext = null;
/**
* The system activity service impl.
*/
private static SystemActivityNotificationsServiceImpl
sysActivitiesServiceImpl;
/**
* Called when this bundle is started so the Framework can perform the
* bundle-specific activities necessary to start this bundle.
*
* @param bundleContext The execution context of the bundle being started.
* @throws Exception If this method throws an exception, this bundle is
* marked as stopped and the Framework will remove this bundle's listeners,
* unregister all services registered by this bundle, and release all
* services used by this bundle.
*/
public void start(BundleContext bundleContext)
throws Exception
{
SysActivityActivator.bundleContext = bundleContext;
if (logger.isDebugEnabled())
logger.debug("Started.");
sysActivitiesServiceImpl = new SystemActivityNotificationsServiceImpl();
sysActivitiesServiceImpl.start();
bundleContext.registerService(
SystemActivityNotificationsService.class.getName(),
sysActivitiesServiceImpl,
null);
}
/**
* Returns a reference to the bundle context that we were started with.
* @return a reference to the BundleContext instance that we were started
* with.
*/
public static SystemActivityNotificationsServiceImpl
getSystemActivityService()
{
return sysActivitiesServiceImpl;
}
/**
* Called when this bundle is stopped so the Framework can perform the
* bundle-specific activities necessary to stop the bundle.
*
* @param bundleContext The execution context of the bundle being stopped.
* @throws Exception If this method throws an exception, the bundle is still
* marked as stopped, and the Framework will remove the bundle's listeners,
* unregister all services registered by the bundle, and release all
* services used by the bundle.
*/
public void stop(BundleContext bundleContext)
throws Exception
{
if (sysActivitiesServiceImpl != null)
sysActivitiesServiceImpl.stop();
}
/**
* Returns a reference to the bundle context that we were started with.
* @return a reference to the BundleContext instance that we were started
* with.
*/
public static BundleContext getBundleContext()
{
return bundleContext;
}
}
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