/*
    * ====================================================================
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  
  package org.apache.http.impl.nio.client;
  
  import java.io.IOException;
  
  import org.apache.commons.logging.Log;
  import org.apache.http.HttpException;
  import org.apache.http.nio.ContentDecoder;
  import org.apache.http.nio.ContentEncoder;
  import org.apache.http.nio.NHttpClientConnection;
  import org.apache.http.nio.NHttpClientEventHandler;
  
  class InternalRequestExecutor implements NHttpClientEventHandler {
  
      private final Log log;
      private final NHttpClientEventHandler handler;
  
      public InternalRequestExecutor(final Log log, final NHttpClientEventHandler handler) {
          this.log = log;
          this.handler = handler;
      }
  
      @Override
      public void connected(
              final NHttpClientConnection conn,
              final Object attachment) throws IOException, HttpException {
          if (this.log.isDebugEnabled()) {
              this.log.debug(conn + ": Connected");
          }
          this.handler.connected(conn, attachment);
      }
  
      @Override
      public void closed(final NHttpClientConnection conn) {
          if (this.log.isDebugEnabled()) {
              this.log.debug(conn + ": Disconnected");
          }
          this.handler.closed(conn);
      }
  
      @Override
      public void requestReady(
              final NHttpClientConnection conn) throws IOException, HttpException {
          if (this.log.isDebugEnabled()) {
              this.log.debug(conn + " Request ready");
          }
          this.handler.requestReady(conn);
      }
  
      @Override
      public void inputReady(
              final NHttpClientConnection conn,
              final ContentDecoder decoder) throws IOException, HttpException {
          if (this.log.isDebugEnabled()) {
              this.log.debug(conn + " Input ready");
          }
          this.handler.inputReady(conn, decoder);
          if (this.log.isDebugEnabled()) {
              this.log.debug(conn + " " + decoder);
          }
      }
  
      @Override
      public void outputReady(
              final NHttpClientConnection conn,
              final ContentEncoder encoder) throws IOException, HttpException {
          if (this.log.isDebugEnabled()) {
              this.log.debug(conn + " Output ready");
          }
          this.handler.outputReady(conn, encoder);
          if (this.log.isDebugEnabled()) {
              this.log.debug(conn + " " + encoder);
          }
     }
 
     @Override
     public void responseReceived(
             final NHttpClientConnection conn) throws HttpException, IOException {
         if (this.log.isDebugEnabled()) {
             this.log.debug(conn + " Response received");
         }
         this.handler.responseReceived(conn);
     }
 
     @Override
     public void timeout(final NHttpClientConnection conn) throws HttpException, IOException {
         if (this.log.isDebugEnabled()) {
             this.log.debug(conn + " Timeout");
         }
         this.handler.timeout(conn);
     }
 
     @Override
     public void exception(final NHttpClientConnection conn, final Exception ex) {
         if (this.log.isDebugEnabled()) {
             this.log.debug(conn + " Exception", ex);
         }
         this.handler.exception(conn, ex);
     }
 
     @Override
     public void endOfInput(final NHttpClientConnection conn) throws IOException {
         if (this.log.isDebugEnabled()) {
             this.log.debug(conn + " End of input");
         }
         this.handler.endOfInput(conn);
     }
 
 }