//
   //  ========================================================================
   //  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.websocket.jsr356.annotations;
  
  import java.lang.reflect.Method;
  
  import javax.websocket.CloseReason;
  import javax.websocket.CloseReason.CloseCodes;
  import javax.websocket.Decoder;
  
  import org.eclipse.jetty.websocket.common.CloseInfo;
  import org.eclipse.jetty.websocket.jsr356.JsrSession;
  import org.eclipse.jetty.websocket.jsr356.annotations.Param.Role;
  
  /**
   * Callable for {@link OnClose} annotated methods
   */
  public class OnCloseCallable extends JsrCallable
  {
      private int idxCloseReason = -1;
  
      public OnCloseCallable(Class<?> pojo, Method method)
      {
          super(pojo,method);
      }
  
      public OnCloseCallable(OnCloseCallable copy)
      {
          super(copy);
          this.idxCloseReason = copy.idxCloseReason;
      }
  
      public void call(Object endpoint, CloseInfo close)
      {
          this.call(endpoint,close.getStatusCode(),close.getReason());
      }
  
      public void call(Object endpoint, CloseReason closeReason)
      {
          // Close Reason is an optional parameter
          if (idxCloseReason >= 0)
          {
              // convert to javax.websocket.CloseReason
              super.args[idxCloseReason] = closeReason;
          }
          super.call(endpoint,super.args);
      }
  
      public void call(Object endpoint, int statusCode, String reason)
      {
          // Close Reason is an optional parameter
          if (idxCloseReason >= 0)
          {
              // convert to javax.websocket.CloseReason
              CloseReason jsrclose = new CloseReason(CloseCodes.getCloseCode(statusCode),reason);
              super.args[idxCloseReason] = jsrclose;
          }
          super.call(endpoint,super.args);
      }
  
      @Override
      public void init(JsrSession session)
      {
          idxCloseReason = findIndexForRole(Role.CLOSE_REASON);
          super.init(session);
      }
  
      @Override
      public void setDecoderClass(Class<? extends Decoder> decoderClass)
      {
          /* ignore, not relevant for onClose */
      }
  }