//
   //  ========================================================================
   //  Copyright (c) 1995-2016 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.alpn.server;
  
  import java.util.List;
  
  import javax.net.ssl.SSLEngine;
  
  import org.eclipse.jetty.alpn.ALPN;
  import org.eclipse.jetty.io.AbstractConnection;
  import org.eclipse.jetty.io.EndPoint;
  import org.eclipse.jetty.server.Connector;
  import org.eclipse.jetty.server.NegotiatingServerConnectionFactory;
  import org.eclipse.jetty.util.annotation.Name;
  import org.eclipse.jetty.util.log.Log;
  import org.eclipse.jetty.util.log.Logger;
  
  public class ALPNServerConnectionFactory extends NegotiatingServerConnectionFactory
  {
      private static final Logger LOG = Log.getLogger(ALPNServerConnectionFactory.class);
  
      public ALPNServerConnectionFactory(String protocols)
      {
          this(protocols.trim().split(",", 0));
      }
  
      public ALPNServerConnectionFactory(@Name("protocols") String... protocols)
      {
          super("alpn", protocols);
          try
          {
              ClassLoader alpnClassLoader = ALPN.class.getClassLoader();
              if (alpnClassLoader != null)
              {
                  LOG.warn("ALPN must be in the boot classloader, not in: " + alpnClassLoader);
                  throw new IllegalStateException("ALPN must be in the boot classloader");
              }
          }
          catch (Throwable x)
          {
              LOG.warn("ALPN not available", x);
              throw new IllegalStateException("ALPN not available", x);
          }
      }
  
      @Override
      protected AbstractConnection newServerConnection(Connector connector, EndPoint endPoint, SSLEngine engine, List<String> protocols, String defaultProtocol)
      {
          return new ALPNServerConnection(connector, endPoint, engine, protocols, defaultProtocol);
      }
  }