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/*
* SIP Communicator, 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.protocol.jabber;
import java.util.*;
import org.osgi.framework.*;
import net.java.sip.communicator.service.configuration.*;
import net.java.sip.communicator.service.gui.*;
import net.java.sip.communicator.service.protocol.*;
import net.java.sip.communicator.service.media.*;
/**
* Loads the Jabber provider factory and registers it with service in the OSGI
* bundle context.
*
* @author Damian Minkov
* @author Symphorien Wanko
*/
public class JabberActivator
implements BundleActivator
{
/**
* Service reference for the currently valid Jabber provider factory.
*/
private ServiceRegistration jabberPpFactoryServReg = null;
/**
* Bundle context from OSGi.
*/
static BundleContext bundleContext = null;
/**
* Configuration service.
*/
private static ConfigurationService configurationService = null;
/**
* Media service.
*/
private static MediaService mediaService = null;
/**
* The jabber protocol provider factory.
*/
private static ProtocolProviderFactoryJabberImpl jabberProviderFactory = null;
private UriHandlerJabberImpl uriHandlerImpl = null;
private static UIService uiService = null;
/**
* 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
{
JabberActivator.bundleContext = context;
Hashtable hashtable = new Hashtable();
hashtable.put(ProtocolProviderFactory.PROTOCOL, ProtocolNames.JABBER);
jabberProviderFactory = new ProtocolProviderFactoryJabberImpl();
/*
* Install the UriHandler prior to registering the factory service in
* order to allow it to detect when the stored accounts are loaded
* (because they may be asynchronously loaded).
*/
uriHandlerImpl = new UriHandlerJabberImpl(jabberProviderFactory);
//reg the jabber account man.
jabberPpFactoryServReg = context.registerService(
ProtocolProviderFactory.class.getName(),
jabberProviderFactory,
hashtable);
}
/**
* Returns a reference to a ConfigurationService implementation currently
* registered in the bundle context or null if no such implementation was
* found.
*
* @return ConfigurationService a currently valid implementation of the
* configuration service.
*/
public static ConfigurationService getConfigurationService()
{
if(configurationService == null)
{
ServiceReference confReference
= bundleContext.getServiceReference(
ConfigurationService.class.getName());
configurationService
= (ConfigurationService) bundleContext.getService(confReference);
}
return configurationService;
}
/**
* Returns a reference to the bundle context that we were started with.
* @return a reference to the BundleContext instance that we were started
* witn.
*/
public static BundleContext getBundleContext()
{
return bundleContext;
}
/**
* Retrurns a reference to the protocol provider factory that we have
* registered.
* @return a reference to the <tt>ProtocolProviderFactoryJabberImpl</tt>
* instance that we have registered from this package.
*/
static ProtocolProviderFactoryJabberImpl getProtocolProviderFactory()
{
return jabberProviderFactory;
}
/**
* Returns a reference to a MediaService implementation currently registered
* in the bundle context or null if no such implementation was found.
*
* @return a reference to a MediaService implementation currently registered
* in the bundle context or null if no such implementation was found.
*/
public static MediaService getMediaService()
{
if(mediaService == null)
{
ServiceReference mediaServiceReference
= bundleContext.getServiceReference(
MediaService.class.getName());
if (mediaServiceReference != null) {
mediaService = (MediaService)
bundleContext.getService(mediaServiceReference);
}
}
return mediaService;
}
/**
* 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
{
jabberProviderFactory.stop();
jabberPpFactoryServReg.unregister();
if (uriHandlerImpl != null)
{
uriHandlerImpl.dispose();
uriHandlerImpl = null;
}
}
/**
* Returns a reference to the UIService implementation currently registered
* in the bundle context or null if no such implementation was found.
*
* @return a reference to a UIService implementation currently registered
* in the bundle context or null if no such implementation was found.
*/
public static UIService getUIService()
{
if(uiService == null)
{
ServiceReference uiServiceReference
= bundleContext.getServiceReference(
UIService.class.getName());
uiService = (UIService)bundleContext
.getService(uiServiceReference);
}
return uiService;
}
}
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