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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.provdisc.mdns;
import net.java.sip.communicator.service.provdisc.*;
import net.java.sip.communicator.service.provdisc.event.*;
import net.java.sip.communicator.util.*;
/**
* Class that uses mDNS to retrieve provisioning URL.
*
* @author Sebastien Vincent
*/
public class ProvisioningDiscoveryServiceMDNSImpl
extends AbstractProvisioningDiscoveryService
implements DiscoveryListener
{
/**
* Logger.
*/
private final Logger logger
= Logger.getLogger(ProvisioningDiscoveryServiceMDNSImpl.class);
/**
* Name of the method used to retrieve provisioning URL.
*/
private static final String METHOD_NAME = "Bonjour";
/**
* MDNS provisioning discover object.
*/
private MDNSProvisioningDiscover discover = null;
/**
* Constructor.
*/
public ProvisioningDiscoveryServiceMDNSImpl()
{
try
{
discover = new MDNSProvisioningDiscover();
discover.addDiscoveryListener(this);
}
catch(Exception e)
{
logger.warn("Cannot create JmDNS instance", e);
}
}
/**
* Get the name of the method name used to retrieve provisioning URL.
*
* @return method name
*/
@Override
public String getMethodName()
{
return METHOD_NAME;
}
/**
* Launch a discovery for a provisioning URL. This method is synchronous and
* may block for some time. Note that you don't have to call
* <tt>startDiscovery</tt> method prior to this one to retrieve URL.
*
* @return provisioning URL
*/
@Override
public String discoverURL()
{
if(discover != null)
{
return discover.discoverProvisioningURL();
}
return null;
}
/**
* Launch a mDNS discovery for a provisioning URL.
*
* This method is asynchronous, the response will be notified to any
* <tt>ProvisioningListener</tt> registered.
*/
@Override
public void startDiscovery()
{
if(discover != null)
{
new Thread(discover).start();
}
}
/**
* Notify the provisioning URL.
*
* @param event provisioning event
*/
public void notifyProvisioningURL(DiscoveryEvent event)
{
fireDiscoveryEvent(event);
}
}
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