mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/entity/DecompressingEntity.java@fc2d59ddac77
mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/entity/DecompressingEntity.java
Wed, 31 Dec 2014 07:22:50 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 07:22:50 +0100
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
- permissions
- -rw-r--r--
Correct previous dual key logic pending first delivery installment.
1 /*
2 * ====================================================================
3 *
4 * Licensed to the Apache Software Foundation (ASF) under one or more
5 * contributor license agreements. See the NOTICE file distributed with
6 * this work for additional information regarding copyright ownership.
7 * The ASF licenses this file to You under the Apache License, Version 2.0
8 * (the "License"); you may not use this file except in compliance with
9 * the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ====================================================================
19 *
20 * This software consists of voluntary contributions made by many
21 * individuals on behalf of the Apache Software Foundation. For more
22 * information on the Apache Software Foundation, please see
23 * <http://www.apache.org/>.
24 *
25 */
26 package ch.boye.httpclientandroidlib.client.entity;
28 import java.io.IOException;
29 import java.io.InputStream;
30 import java.io.OutputStream;
32 import ch.boye.httpclientandroidlib.HttpEntity;
33 import ch.boye.httpclientandroidlib.entity.HttpEntityWrapper;
35 /**
36 * Common base class for decompressing {@link HttpEntity} implementations.
37 *
38 * @since 4.1
39 */
40 abstract class DecompressingEntity extends HttpEntityWrapper {
42 /**
43 * Default buffer size.
44 */
45 private static final int BUFFER_SIZE = 1024 * 2;
47 /**
48 * DecompressingEntities are not repeatable, so they will return the same
49 * InputStream instance when {@link #getContent()} is called.
50 */
51 private InputStream content;
53 /**
54 * Creates a new {@link DecompressingEntity}.
55 *
56 * @param wrapped
57 * the non-null {@link HttpEntity} to be wrapped
58 */
59 public DecompressingEntity(final HttpEntity wrapped) {
60 super(wrapped);
61 }
63 abstract InputStream getDecompressingInputStream(final InputStream wrapped) throws IOException;
65 /**
66 * {@inheritDoc}
67 */
68 @Override
69 public InputStream getContent() throws IOException {
70 if (wrappedEntity.isStreaming()) {
71 if (content == null) {
72 content = getDecompressingInputStream(wrappedEntity.getContent());
73 }
74 return content;
75 } else {
76 return getDecompressingInputStream(wrappedEntity.getContent());
77 }
78 }
80 /**
81 * {@inheritDoc}
82 */
83 @Override
84 public void writeTo(OutputStream outstream) throws IOException {
85 if (outstream == null) {
86 throw new IllegalArgumentException("Output stream may not be null");
87 }
88 InputStream instream = getContent();
89 try {
90 byte[] buffer = new byte[BUFFER_SIZE];
92 int l;
94 while ((l = instream.read(buffer)) != -1) {
95 outstream.write(buffer, 0, l);
96 }
97 } finally {
98 instream.close();
99 }
100 }
102 }
