//
   //  ========================================================================
   //  Copyright (c) 1995-2013 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.http;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import org.eclipse.jetty.spdy.api.SPDY;
  
  public enum HTTPSPDYHeader
  {
      METHOD("method", ":method"),
      URI("url", ":path"),
      VERSION("version", ":version"),
      SCHEME("scheme", ":scheme"),
      HOST("host", ":host"),
      STATUS("status", ":status");
  
      public static HTTPSPDYHeader from(short version, String name)
      {
          switch (version)
          {
              case SPDY.V2:
                  return Names.v2Names.get(name);
              case SPDY.V3:
                  return Names.v3Names.get(name);
              default:
                  throw new IllegalStateException();
          }
      }
  
      private final String v2Name;
      private final String v3Name;
  
      private HTTPSPDYHeader(String v2Name, String v3Name)
      {
          this.v2Name = v2Name;
          Names.v2Names.put(v2Name, this);
          this.v3Name = v3Name;
          Names.v3Names.put(v3Name, this);
      }
  
      public String name(short version)
      {
          switch (version)
          {
              case SPDY.V2:
                  return v2Name;
              case SPDY.V3:
                  return v3Name;
              default:
                  throw new IllegalStateException();
          }
      }
  
      private static class Names
      {
          private static final Map<String, HTTPSPDYHeader> v2Names = new HashMap<>();
          private static final Map<String, HTTPSPDYHeader> v3Names = new HashMap<>();
      }
  }