//
   //  ========================================================================
   //  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.websocket.jsr356.endpoints;
  
  import java.util.Map;
  
  import javax.websocket.CloseReason;
  import javax.websocket.CloseReason.CloseCode;
  import javax.websocket.CloseReason.CloseCodes;
  import javax.websocket.EndpointConfig;
  import javax.websocket.Session;
  
  import org.eclipse.jetty.websocket.api.WebSocketPolicy;
  import org.eclipse.jetty.websocket.api.extensions.Frame;
  import org.eclipse.jetty.websocket.common.CloseInfo;
  import org.eclipse.jetty.websocket.common.WebSocketSession;
  import org.eclipse.jetty.websocket.common.events.AbstractEventDriver;
  import org.eclipse.jetty.websocket.common.events.EventDriver;
  import org.eclipse.jetty.websocket.jsr356.JsrSession;
  import org.eclipse.jetty.websocket.jsr356.metadata.EndpointMetadata;
  
  public abstract class AbstractJsrEventDriver extends AbstractEventDriver implements EventDriver
  {
      protected final EndpointMetadata metadata;
      protected final EndpointConfig config;
      protected JsrSession jsrsession;
      private boolean hasCloseBeenCalled = false;
  
      public AbstractJsrEventDriver(WebSocketPolicy policy, EndpointInstance endpointInstance)
      {
          super(policy,endpointInstance.getEndpoint());
          this.config = endpointInstance.getConfig();
          this.metadata = endpointInstance.getMetadata();
      }
  
      public EndpointConfig getConfig()
      {
          return config;
      }
  
      public Session getJsrSession()
      {
          return this.jsrsession;
      }
  
      public EndpointMetadata getMetadata()
      {
          return metadata;
      }
  
      public abstract void init(JsrSession jsrsession);
  
      @Override
      public final void onClose(CloseInfo close)
      {
          if (hasCloseBeenCalled)
          {
              // avoid duplicate close events (possible when using harsh Session.disconnect())
              return;
          }
          hasCloseBeenCalled = true;
  
          CloseCode closecode = CloseCodes.getCloseCode(close.getStatusCode());
          CloseReason closereason = new CloseReason(closecode,close.getReason());
          onClose(closereason);
      }
  
      protected abstract void onClose(CloseReason closereason);
  
      @Override
      public void onFrame(Frame frame)
      {
          /* Ignored, not supported by JSR-356 */
      }
  
      @Override
      public final void openSession(WebSocketSession session)
      {
          // Cast should be safe, as it was created by JsrSessionFactory
          this.jsrsession = (JsrSession)session;
  
          // Allow jsr session to init
          this.jsrsession.init(config);
 
         // Allow event driver to init itself
         init(jsrsession);
 
         // Allow end-user socket to adjust configuration
         super.openSession(session);
     }
 
     public void setEndpointconfig(EndpointConfig endpointconfig)
     {
         throw new RuntimeException("Why are you reconfiguring the endpoint?");
         // this.config = endpointconfig;
     }
 
     public abstract void setPathParameters(Map<String, String> pathParameters);
 }