//
   //  ========================================================================
   //  Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
   //  ------------------------------------------------------------------------
   //  All rights reserved. This program and the accompanying materials
   //  are made available under the terms of the Eclipse Public License v1.0
   //  and Apache License v2.0 which accompanies this distribution.
   //
   //      The Eclipse Public License is available at
  //      http://www.eclipse.org/legal/epl-v10.html
  //
  //      The Apache License v2.0 is available at
  //      http://www.opensource.org/licenses/apache2.0.php
  //
  //  You may elect to redistribute this code under either of these licenses.
  //  ========================================================================
  //
  
  package org.eclipse.jetty.spdy.server;
  
  import java.util.List;
  import javax.net.ssl.SSLEngine;
  
  import org.eclipse.jetty.io.EndPoint;
  import org.eclipse.jetty.npn.NextProtoNego;
  import org.eclipse.jetty.server.Connector;
  import org.eclipse.jetty.server.NegotiatingServerConnection;
  import org.eclipse.jetty.util.log.Log;
  import org.eclipse.jetty.util.log.Logger;
  
  public class NPNServerConnection extends NegotiatingServerConnection implements NextProtoNego.ServerProvider
  {
      private static final Logger LOG = Log.getLogger(NPNServerConnection.class);
  
      public NPNServerConnection(EndPoint endPoint, SSLEngine engine, Connector connector, List<String> protocols, String defaultProtocol)
      {
          super(connector, endPoint, engine, protocols, defaultProtocol);
          NextProtoNego.put(engine, this);
      }
  
      @Override
      public void unsupported()
      {
          protocolSelected(getDefaultProtocol());
      }
  
      @Override
      public List<String> protocols()
      {
          return getProtocols();
      }
  
      @Override
      public void protocolSelected(String protocol)
      {
          if (LOG.isDebugEnabled())
              LOG.debug("{} protocol selected {}", this, protocol);
          setProtocol(protocol != null ? protocol : getDefaultProtocol());
          NextProtoNego.remove(getSSLEngine());
      }
  
      @Override
      public void close()
      {
          NextProtoNego.remove(getSSLEngine());
          super.close();
      }
  }