ProtocolConnectionPoolFactory.java

/*
 * $Id: ProtocolConnectionPoolFactory.java,v 1.1 2006-07-18 09:06:04 tigran Exp $
 */
package org.dcache.net;

import java.io.IOException;

import org.dcache.net.ProtocolConnectionPool.Listen;

public class ProtocolConnectionPoolFactory {


	private static final Object _initLock = new Object();
	private static ProtocolConnectionPool _protocolConnectionPool;

	private final int _port;
	final ChallengeReader _challengeReader;

	public ProtocolConnectionPoolFactory(int port, ChallengeReader challengeReader) {
		_port = port;
		_challengeReader = challengeReader;
	}

	public Listen acquireListen(int receiveBufferSize) throws IOException
        {
            synchronized (_initLock) {
                if( _protocolConnectionPool == null ) {
                    _protocolConnectionPool = new ProtocolConnectionPool(_port, receiveBufferSize, _challengeReader);
                }
            }
            return _protocolConnectionPool.acquire();
	}
}