/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j 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 3 of the License, or
 * (at your option) any later version.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.server.web;

import org.eclipse.jetty.io.Connection;
import org.neo4j.kernel.api.net.NetworkConnectionTracker;

/**
 * Connection listener that notifies {@link NetworkConnectionTracker} about open and closed {@link JettyHttpConnection}s.
 * All other types of connections are ignored.
 */
public class JettyHttpConnectionListener implements Connection.Listener {
    private final NetworkConnectionTracker connectionTracker;

    public JettyHttpConnectionListener(NetworkConnectionTracker connectionTracker) {
        this.connectionTracker = connectionTracker;
    }

    @Override
    public void onOpened(Connection connection) {
        if (connection instanceof JettyHttpConnection) {
            connectionTracker.add((JettyHttpConnection) connection);
        }
    }

    @Override
    public void onClosed(Connection connection) {
        if (connection instanceof JettyHttpConnection) {
            connectionTracker.remove((JettyHttpConnection) connection);
        }
    }
}
