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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.version;
import net.java.sip.communicator.util.*;
import org.jitsi.service.configuration.*;
import org.jitsi.service.version.*;
import org.jitsi.service.version.Version;
import org.osgi.framework.*;
/**
* The entry point to the Version Service Implementation. We register the
* VersionServiceImpl instance on the OSGi BUS.
*
* @author Emil Ivov
*/
public class VersionActivator
implements BundleActivator
{
/**
* The <tt>Logger</tt> used by this <tt>VersionActivator</tt> instance for
* logging output.
*/
private final Logger logger = Logger.getLogger(VersionActivator.class);
/**
* The OSGi <tt>BundleContext</tt>.
*/
private static BundleContext bundleContext;
/**
* Called when this bundle is started so the Framework can perform the
* bundle-specific activities necessary to start this bundle.
*
* @param context 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 context) throws Exception
{
if (logger.isDebugEnabled())
logger.debug("Started.");
VersionActivator.bundleContext = context;
context.registerService(
VersionService.class.getName(),
new VersionServiceImpl(),
null);
if (logger.isDebugEnabled())
logger.debug("Jitsi Version Service ... [REGISTERED]");
Version version = VersionImpl.currentVersion();
String applicationName = version.getApplicationName();
String versionString = version.toString();
if (logger.isInfoEnabled())
{
logger.info(
"Jitsi Version: " + applicationName + " " + versionString);
}
//register properties for those that would like to use them
ConfigurationService cfg = getConfigurationService();
cfg.setProperty(Version.PNAME_APPLICATION_NAME, applicationName, true);
cfg.setProperty(Version.PNAME_APPLICATION_VERSION, versionString, true);
}
/**
* Gets a <tt>ConfigurationService</tt> implementation currently
* registered in the <tt>BundleContext</tt> in which this bundle has been
* started or <tt>null</tt> if no such implementation was found.
*
* @return a <tt>ConfigurationService</tt> implementation currently
* registered in the <tt>BundleContext</tt> in which this bundle has been
* started or <tt>null</tt> if no such implementation was found
*/
private static ConfigurationService getConfigurationService()
{
return
ServiceUtils.getService(bundleContext, ConfigurationService.class);
}
/**
* Gets the <tt>BundleContext</tt> instance within which this bundle has
* been started.
*
* @return the <tt>BundleContext</tt> instance within which this bundle has
* been started
*/
public static BundleContext getBundleContext()
{
return bundleContext;
}
/**
* Called when this bundle is stopped so the Framework can perform the
* bundle-specific activities necessary to stop the bundle.
*
* @param context 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 context) throws Exception
{
}
}
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