/*
* File : TRTrackerClientFactoryImpl.java
* Created : 04-Nov-2003
* By : parg
*
* Azureus - a Java Bittorrent client
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details ( see the LICENSE file ).
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.gudy.azureus2.core3.tracker.client.impl;
/**
* @author parg
*
*/
import java.util.*;
import org.gudy.azureus2.core3.torrent.*;
import org.gudy.azureus2.core3.tracker.client.*;
import org.gudy.azureus2.core3.tracker.client.impl.bt.TRTrackerBTAnnouncerImpl;
import org.gudy.azureus2.core3.tracker.client.impl.dht.TRTrackerDHTAnnouncerImpl;
import org.gudy.azureus2.core3.util.*;
public class
TRTrackerAnnouncerFactoryImpl
{
protected static List listeners = new ArrayList();
protected static List clients = new ArrayList();
protected static AEMonitor class_mon = new AEMonitor( "TRTrackerClientFactory" );
public static TRTrackerAnnouncer
create(
TOTorrent torrent,
String[] networks,
boolean manual )
throws TRTrackerAnnouncerException
{
TRTrackerAnnouncer client;
if ( TorrentUtils.isDecentralised( torrent )){
client = new TRTrackerDHTAnnouncerImpl( torrent, networks, manual );
}else{
client = new TRTrackerBTAnnouncerImpl( torrent, networks, manual );
}
if ( !manual ){
List listeners_copy = new ArrayList();
try{
class_mon.enter();
clients.add( client );
listeners_copy = new ArrayList( listeners );
}finally{
class_mon.exit();
}
for (int i=0;i<listeners_copy.size();i++){
try{
((TRTrackerAnnouncerFactoryListener)listeners_copy.get(i)).clientCreated( client );
}catch( Throwable e ){
Debug.printStackTrace(e);
}
}
}
return( client );
}
/*
* At least once semantics for this one
*/
public static void
addListener(
TRTrackerAnnouncerFactoryListener l )
{
List clients_copy;
try{
class_mon.enter();
listeners.add(l);
clients_copy = new ArrayList( clients );
}finally{
class_mon.exit();
}
for (int i=0;i<clients_copy.size();i++){
try{
l.clientCreated((TRTrackerAnnouncer)clients_copy.get(i));
}catch( Throwable e ){
Debug.printStackTrace(e);
}
}
}
public static void
removeListener(
TRTrackerAnnouncerFactoryListener l )
{
try{
class_mon.enter();
listeners.remove(l);
}finally{
class_mon.exit();
}
}
public static void
destroy(
TRTrackerAnnouncer client )
{
if ( !client.isManual()){
List listeners_copy = new ArrayList();
try{
class_mon.enter();
clients.remove( client );
listeners_copy = new ArrayList( listeners );
}finally{
class_mon.exit();
}
for (int i=0;i<listeners_copy.size();i++){
try{
((TRTrackerAnnouncerFactoryListener)listeners_copy.get(i)).clientDestroyed( client );
}catch( Throwable e ){
Debug.printStackTrace(e);
}
}
}
}
}