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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package net.java.sip.communicator.impl.configuration;
import org.osgi.framework.*;
import org.jitsi.service.configuration.*;
import net.java.sip.communicator.util.*;
/**
* @author Emil Ivov
* @author Lyubomir Marinov
*/
public class ConfigurationActivator
implements BundleActivator
{
/**
* The <tt>Logger</tt> used by this <tt>ConfigurationActivator</tt> instance
* for logging output.
*/
private final Logger logger
= Logger.getLogger(ConfigurationServiceImpl.class);
/**
* The <tt>BundleContext</tt> in which the configuration bundle has been
* started and has not been stopped yet.
*/
private static BundleContext bundleContext;
/**
* The <tt>ConfigurationService</tt> implementation provided by the bundle
* represented by this <tt>ConfigurationActivator</tt>.
*/
private final ConfigurationServiceImpl impl
= new ConfigurationServiceImpl();
/**
* Gets the <tt>BundleContext</tt> in which the configuration bundle has
* been started and has not been stopped yet.
*
* @return the <tt>BundleContext</tt> in which the configuration bundle has
* been started and has not been stopped yet
*/
public static BundleContext getBundleContext()
{
return bundleContext;
}
/**
* Starts the configuration service
*
* @param bundleContext the <tt>BundleContext</tt> as provided by the OSGi
* framework.
* @throws Exception if anything goes wrong
*/
public void start(BundleContext bundleContext)
throws Exception
{
boolean started = false;
ConfigurationActivator.bundleContext = bundleContext;
try
{
if (logger.isDebugEnabled())
{
logger.debug(
"Service Impl: "
+ getClass().getName()
+ " [ STARTED ]");
}
impl.start(bundleContext);
bundleContext.registerService(
ConfigurationService.class.getName(),
impl,
null);
if (logger.isDebugEnabled())
{
logger.debug(
"Service Impl: "
+ getClass().getName()
+ " [REGISTERED]");
}
started = true;
}
finally
{
if (!started
&& (ConfigurationActivator.bundleContext == bundleContext))
ConfigurationActivator.bundleContext = null;
}
}
/**
* Causes the configuration service to store the properties object and
* unregisters the configuration service.
*
* @param bundleContext <tt>BundleContext</tt>
* @throws Exception if anything goes wrong while storing the properties
* managed by the <tt>ConfigurationService</tt> implementation provided by
* this bundle and while unregistering the service in question
*/
public void stop(BundleContext bundleContext)
throws Exception
{
try
{
logger.logEntry();
impl.stop();
if (logger.isInfoEnabled())
logger.info("ConfigurationService#stop() has been called.");
}
finally
{
if (ConfigurationActivator.bundleContext == bundleContext)
ConfigurationActivator.bundleContext = null;
}
}
}
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