/*
    * ====================================================================
    * 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.client.cache;
  
  import java.io.IOException;
  
  import org.apache.http.HttpException;
  import org.apache.http.HttpRequest;
  import org.apache.http.HttpResponse;
  import org.apache.http.HttpStatus;
  import org.apache.http.ProtocolVersion;
  import org.apache.http.client.methods.CloseableHttpResponse;
  import org.apache.http.client.methods.HttpExecutionAware;
  import org.apache.http.client.methods.HttpRequestWrapper;
  import org.apache.http.client.protocol.HttpClientContext;
  import org.apache.http.conn.routing.HttpRoute;
  import org.apache.http.impl.execchain.ClientExecChain;
  import org.apache.http.message.BasicHttpResponse;
  
  public class DummyBackend implements ClientExecChain {
  
      private HttpRequest request;
      private HttpResponse response = new BasicHttpResponse(new ProtocolVersion("HTTP",1,1), HttpStatus.SC_OK, "OK");
      private int executions = 0;
  
      public void setResponse(final HttpResponse resp) {
          response = resp;
      }
  
      public HttpRequest getCapturedRequest() {
          return request;
      }
  
      @Override
      public CloseableHttpResponse execute(
              final HttpRoute route,
              final HttpRequestWrapper request,
              final HttpClientContext clientContext,
              final HttpExecutionAware execAware) throws IOException, HttpException {
          this.request = request;
          executions++;
          return Proxies.enhanceResponse(response);
      }
  
      public int getExecutions() {
          return executions;
      }
  }