mobile/android/base/background/bagheera/BoundedByteArrayEntity.java@fc2d59ddac77
mobile/android/base/background/bagheera/BoundedByteArrayEntity.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 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5 package org.mozilla.gecko.background.bagheera;
7 import java.io.ByteArrayInputStream;
8 import java.io.IOException;
9 import java.io.InputStream;
10 import java.io.OutputStream;
12 import ch.boye.httpclientandroidlib.entity.AbstractHttpEntity;
13 import ch.boye.httpclientandroidlib.entity.ByteArrayEntity;
15 /**
16 * An entity that acts like {@link ByteArrayEntity}, but exposes a window onto
17 * the byte array that is a subsection of the array. The purpose of this is to
18 * allow a smaller entity to be created without having to resize the source
19 * array.
20 */
21 public class BoundedByteArrayEntity extends AbstractHttpEntity implements
22 Cloneable {
23 protected final byte[] content;
24 protected final int start;
25 protected final int end;
26 protected final int length;
28 /**
29 * Create a new entity that behaves exactly like a {@link ByteArrayEntity}
30 * created with a copy of <code>b</code> truncated to (
31 * <code>end - start</code>) bytes, starting at <code>start</code>.
32 *
33 * @param b the byte array to use.
34 * @param start the start index.
35 * @param end the end index.
36 */
37 public BoundedByteArrayEntity(final byte[] b, final int start, final int end) {
38 if (b == null) {
39 throw new IllegalArgumentException("Source byte array may not be null.");
40 }
42 if (end < start ||
43 start < 0 ||
44 end < 0 ||
45 start > b.length ||
46 end > b.length) {
47 throw new IllegalArgumentException("Bounds out of range.");
48 }
49 this.content = b;
50 this.start = start;
51 this.end = end;
52 this.length = end - start;
53 }
55 @Override
56 public boolean isRepeatable() {
57 return true;
58 }
60 @Override
61 public long getContentLength() {
62 return this.length;
63 }
65 @Override
66 public InputStream getContent() {
67 return new ByteArrayInputStream(this.content, this.start, this.length);
68 }
70 @Override
71 public void writeTo(final OutputStream outstream) throws IOException {
72 if (outstream == null) {
73 throw new IllegalArgumentException("Output stream may not be null.");
74 }
75 outstream.write(this.content);
76 outstream.flush();
77 }
79 @Override
80 public boolean isStreaming() {
81 return false;
82 }
84 @Override
85 public Object clone() throws CloneNotSupportedException {
86 return super.clone();
87 }
88 }
