The Tor Browser / file comparison
comparison: mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/BufferedHttpEntity.java
mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/BufferedHttpEntity.java
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
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| -1:000000000000 | 0:2505352f20fd |
|---|---|
| 1 /* | |
| 2 * ==================================================================== | |
| 3 * Licensed to the Apache Software Foundation (ASF) under one | |
| 4 * or more contributor license agreements. See the NOTICE file | |
| 5 * distributed with this work for additional information | |
| 6 * regarding copyright ownership. The ASF licenses this file | |
| 7 * to you under the Apache License, Version 2.0 (the | |
| 8 * "License"); you may not use this file except in compliance | |
| 9 * with 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, | |
| 14 * software distributed under the License is distributed on an | |
| 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| 16 * KIND, either express or implied. See the License for the | |
| 17 * specific language governing permissions and limitations | |
| 18 * under the License. | |
| 19 * ==================================================================== | |
| 20 * | |
| 21 * This software consists of voluntary contributions made by many | |
| 22 * individuals on behalf of the Apache Software Foundation. For more | |
| 23 * information on the Apache Software Foundation, please see | |
| 24 * <http://www.apache.org/>. | |
| 25 * | |
| 26 */ | |
| 27 | |
| 28 package ch.boye.httpclientandroidlib.entity; | |
| 29 | |
| 30 import java.io.ByteArrayInputStream; | |
| 31 import java.io.IOException; | |
| 32 import java.io.InputStream; | |
| 33 import java.io.OutputStream; | |
| 34 | |
| 35 import ch.boye.httpclientandroidlib.HttpEntity; | |
| 36 import ch.boye.httpclientandroidlib.util.EntityUtils; | |
| 37 | |
| 38 /** | |
| 39 * A wrapping entity that buffers it content if necessary. | |
| 40 * The buffered entity is always repeatable. | |
| 41 * If the wrapped entity is repeatable itself, calls are passed through. | |
| 42 * If the wrapped entity is not repeatable, the content is read into a | |
| 43 * buffer once and provided from there as often as required. | |
| 44 * | |
| 45 * @since 4.0 | |
| 46 */ | |
| 47 public class BufferedHttpEntity extends HttpEntityWrapper { | |
| 48 | |
| 49 private final byte[] buffer; | |
| 50 | |
| 51 /** | |
| 52 * Creates a new buffered entity wrapper. | |
| 53 * | |
| 54 * @param entity the entity to wrap, not null | |
| 55 * @throws IllegalArgumentException if wrapped is null | |
| 56 */ | |
| 57 public BufferedHttpEntity(final HttpEntity entity) throws IOException { | |
| 58 super(entity); | |
| 59 if (!entity.isRepeatable() || entity.getContentLength() < 0) { | |
| 60 this.buffer = EntityUtils.toByteArray(entity); | |
| 61 } else { | |
| 62 this.buffer = null; | |
| 63 } | |
| 64 } | |
| 65 | |
| 66 public long getContentLength() { | |
| 67 if (this.buffer != null) { | |
| 68 return this.buffer.length; | |
| 69 } else { | |
| 70 return wrappedEntity.getContentLength(); | |
| 71 } | |
| 72 } | |
| 73 | |
| 74 public InputStream getContent() throws IOException { | |
| 75 if (this.buffer != null) { | |
| 76 return new ByteArrayInputStream(this.buffer); | |
| 77 } else { | |
| 78 return wrappedEntity.getContent(); | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 /** | |
| 83 * Tells that this entity does not have to be chunked. | |
| 84 * | |
| 85 * @return <code>false</code> | |
| 86 */ | |
| 87 public boolean isChunked() { | |
| 88 return (buffer == null) && wrappedEntity.isChunked(); | |
| 89 } | |
| 90 | |
| 91 /** | |
| 92 * Tells that this entity is repeatable. | |
| 93 * | |
| 94 * @return <code>true</code> | |
| 95 */ | |
| 96 public boolean isRepeatable() { | |
| 97 return true; | |
| 98 } | |
| 99 | |
| 100 | |
| 101 public void writeTo(final OutputStream outstream) throws IOException { | |
| 102 if (outstream == null) { | |
| 103 throw new IllegalArgumentException("Output stream may not be null"); | |
| 104 } | |
| 105 if (this.buffer != null) { | |
| 106 outstream.write(this.buffer); | |
| 107 } else { | |
| 108 wrappedEntity.writeTo(outstream); | |
| 109 } | |
| 110 } | |
| 111 | |
| 112 | |
| 113 // non-javadoc, see interface HttpEntity | |
| 114 public boolean isStreaming() { | |
| 115 return (buffer == null) && wrappedEntity.isStreaming(); | |
| 116 } | |
| 117 | |
| 118 } // class BufferedHttpEntity |
