/*
    * ====================================================================
    * 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.execchain;
  
  import java.io.IOException;
  import java.util.Locale;
  
  import org.apache.http.Header;
  import org.apache.http.HeaderIterator;
  import org.apache.http.HttpEntity;
  import org.apache.http.HttpResponse;
  import org.apache.http.ProtocolVersion;
  import org.apache.http.StatusLine;
  import org.apache.http.client.methods.CloseableHttpResponse;
  import org.apache.http.params.HttpParams;
  
  /**
   * A proxy class for {@link org.apache.http.HttpResponse} that can be used to release client connection
   * associated with the original response.
   *
   * @since 4.3
   */
  class HttpResponseProxy implements CloseableHttpResponse {
  
      private final HttpResponse original;
      private final ConnectionHolder connHolder;
  
      public HttpResponseProxy(final HttpResponse original, final ConnectionHolder connHolder) {
          this.original = original;
          this.connHolder = connHolder;
          ResponseEntityProxy.enchance(original, connHolder);
      }
  
      @Override
      public void close() throws IOException {
          if (this.connHolder != null) {
              this.connHolder.close();
          }
      }
  
      @Override
      public StatusLine getStatusLine() {
          return original.getStatusLine();
      }
  
      @Override
      public void setStatusLine(final StatusLine statusline) {
          original.setStatusLine(statusline);
      }
  
      @Override
      public void setStatusLine(final ProtocolVersion ver, final int code) {
          original.setStatusLine(ver, code);
      }
  
      @Override
      public void setStatusLine(final ProtocolVersion ver, final int code, final String reason) {
          original.setStatusLine(ver, code, reason);
      }
  
      @Override
      public void setStatusCode(final int code) throws IllegalStateException {
          original.setStatusCode(code);
      }
  
      @Override
      public void setReasonPhrase(final String reason) throws IllegalStateException {
          original.setReasonPhrase(reason);
      }
  
      @Override
      public HttpEntity getEntity() {
          return original.getEntity();
      }
 
     @Override
     public void setEntity(final HttpEntity entity) {
         original.setEntity(entity);
     }
 
     @Override
     public Locale getLocale() {
         return original.getLocale();
     }
 
     @Override
     public void setLocale(final Locale loc) {
         original.setLocale(loc);
     }
 
     @Override
     public ProtocolVersion getProtocolVersion() {
         return original.getProtocolVersion();
     }
 
     @Override
     public boolean containsHeader(final String name) {
         return original.containsHeader(name);
     }
 
     @Override
     public Header[] getHeaders(final String name) {
         return original.getHeaders(name);
     }
 
     @Override
     public Header getFirstHeader(final String name) {
         return original.getFirstHeader(name);
     }
 
     @Override
     public Header getLastHeader(final String name) {
         return original.getLastHeader(name);
     }
 
     @Override
     public Header[] getAllHeaders() {
         return original.getAllHeaders();
     }
 
     @Override
     public void addHeader(final Header header) {
         original.addHeader(header);
     }
 
     @Override
     public void addHeader(final String name, final String value) {
         original.addHeader(name, value);
     }
 
     @Override
     public void setHeader(final Header header) {
         original.setHeader(header);
     }
 
     @Override
     public void setHeader(final String name, final String value) {
         original.setHeader(name, value);
     }
 
     @Override
     public void setHeaders(final Header[] headers) {
         original.setHeaders(headers);
     }
 
     @Override
     public void removeHeader(final Header header) {
         original.removeHeader(header);
     }
 
     @Override
     public void removeHeaders(final String name) {
         original.removeHeaders(name);
     }
 
     @Override
     public HeaderIterator headerIterator() {
         return original.headerIterator();
     }
 
     @Override
     public HeaderIterator headerIterator(final String name) {
         return original.headerIterator(name);
     }
 
     @Override
     public HttpParams getParams() {
         return original.getParams();
     }
 
     @Override
     public void setParams(final HttpParams params) {
         original.setParams(params);
     }
 
     @Override
     public String toString() {
         final StringBuilder sb = new StringBuilder("HttpResponseProxy{");
         sb.append(original);
         sb.append('}');
         return sb.toString();
     }
 
 }