/*
* Created on Aug 24, 2009
* Created by Paul Gardner
*
* Copyright 2009 Vuze, Inc. All rights reserved.
*
* 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; version 2 of the License only.
*
* 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.
*
* 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 com.aelitis.azureus.core.peermanager.unchoker;
import org.gudy.azureus2.core3.util.Debug;
public class
UnchokerFactory
{
public static final String DEFAULT_MANAGER = "com.aelitis.azureus.core.peermanager.unchoker.UnchokerFactory";
private static UnchokerFactory factory = getSingleton( null );
public static UnchokerFactory
getSingleton()
{
return( factory );
}
private static UnchokerFactory
getSingleton(
String explicit_implementation )
{
String impl = explicit_implementation;
if ( impl == null ){
impl = System.getProperty( DEFAULT_MANAGER );
}
if ( impl == null ){
impl = DEFAULT_MANAGER;
}
try{
Class impl_class = UnchokerFactory.class.getClassLoader().loadClass( impl );
factory = (UnchokerFactory)impl_class.newInstance();
}catch( Throwable e ){
Debug.out( "Failed to instantiate unchoker factory '" + impl + "'", e );
factory = new UnchokerFactory();
}
return( factory );
}
public Unchoker
getUnchoker(
boolean seeding )
{
if ( seeding ){
return( new SeedingUnchoker());
}else{
return( new DownloadingUnchoker());
}
}
}