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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.vfs2.provider.http4;
18  
19  import java.io.IOException;
20  
21  import org.apache.commons.vfs2.util.MonitorInputStream;
22  import org.apache.http.HttpResponse;
23  import org.apache.http.client.methods.CloseableHttpResponse;
24  
25  /**
26   * An InputStream that cleans up the {@code org.apache.http.client.methods.CloseableHttpResponse} on close.
27   *
28   * @deprecated Use {@link org.apache.commons.vfs2.provider.http5}.
29   */
30  @Deprecated
31  final class MonitoredHttpResponseContentInputStream extends MonitorInputStream {
32  
33      private final HttpResponse httpResponse;
34  
35      MonitoredHttpResponseContentInputStream(final HttpResponse httpResponse) throws IOException {
36          super(httpResponse.getEntity().getContent());
37          this.httpResponse = httpResponse;
38      }
39  
40      MonitoredHttpResponseContentInputStream(final HttpResponse httpResponse, final int bufferSize) throws IOException {
41          super(httpResponse.getEntity().getContent(), bufferSize);
42          this.httpResponse = httpResponse;
43      }
44  
45      /**
46       * Prevent closing the stream itself if the httpResponse is closeable.
47       * Closing the stream may consume all remaining data no matter how large (VFS-805).
48       */
49      @Override
50      protected void closeSuper() throws IOException {
51          if (!(httpResponse instanceof CloseableHttpResponse)) {
52              super.closeSuper();
53          }
54      }
55  
56      @Override
57      protected void onClose() throws IOException {
58          if (httpResponse instanceof CloseableHttpResponse) {
59              ((CloseableHttpResponse) httpResponse).close();
60          }
61      }
62  
63  }