The Tor Browser / annotate

mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/entity/EntityDeserializer.java@6474c204b198 (annotated)

mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/entity/EntityDeserializer.java

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /*
michael@0 2 * ====================================================================
michael@0 3 * Licensed to the Apache Software Foundation (ASF) under one
michael@0 4 * or more contributor license agreements. See the NOTICE file
michael@0 5 * distributed with this work for additional information
michael@0 6 * regarding copyright ownership. The ASF licenses this file
michael@0 7 * to you under the Apache License, Version 2.0 (the
michael@0 8 * "License"); you may not use this file except in compliance
michael@0 9 * with the License. You may obtain a copy of the License at
michael@0 10 *
michael@0 11 * http://www.apache.org/licenses/LICENSE-2.0
michael@0 12 *
michael@0 13 * Unless required by applicable law or agreed to in writing,
michael@0 14 * software distributed under the License is distributed on an
michael@0 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
michael@0 16 * KIND, either express or implied. See the License for the
michael@0 17 * specific language governing permissions and limitations
michael@0 18 * under the License.
michael@0 19 * ====================================================================
michael@0 20 *
michael@0 21 * This software consists of voluntary contributions made by many
michael@0 22 * individuals on behalf of the Apache Software Foundation. For more
michael@0 23 * information on the Apache Software Foundation, please see
michael@0 24 * <http://www.apache.org/>.
michael@0 25 *
michael@0 26 */
michael@0 27
michael@0 28 package ch.boye.httpclientandroidlib.impl.entity;
michael@0 29
michael@0 30 import java.io.IOException;
michael@0 31
michael@0 32 import ch.boye.httpclientandroidlib.Header;
michael@0 33 import ch.boye.httpclientandroidlib.HttpEntity;
michael@0 34 import ch.boye.httpclientandroidlib.HttpException;
michael@0 35 import ch.boye.httpclientandroidlib.HttpMessage;
michael@0 36 import ch.boye.httpclientandroidlib.entity.BasicHttpEntity;
michael@0 37 import ch.boye.httpclientandroidlib.entity.ContentLengthStrategy;
michael@0 38 import ch.boye.httpclientandroidlib.impl.io.ChunkedInputStream;
michael@0 39 import ch.boye.httpclientandroidlib.impl.io.ContentLengthInputStream;
michael@0 40 import ch.boye.httpclientandroidlib.impl.io.IdentityInputStream;
michael@0 41 import ch.boye.httpclientandroidlib.io.SessionInputBuffer;
michael@0 42 import ch.boye.httpclientandroidlib.protocol.HTTP;
michael@0 43
michael@0 44 /**
michael@0 45 * HTTP entity deserializer.
michael@0 46 * <p>
michael@0 47 * This entity deserializer supports "chunked" and "identitiy" transfer-coding
michael@0 48 * and content length delimited content.
michael@0 49 * <p>
michael@0 50 * This class relies on a specific implementation of
michael@0 51 * {@link ContentLengthStrategy} to determine the content length or transfer
michael@0 52 * encoding of the entity.
michael@0 53 * <p>
michael@0 54 * This class generates an instance of {@link HttpEntity} based on
michael@0 55 * properties of the message. The content of the entity will be decoded
michael@0 56 * transparently for the consumer.
michael@0 57 *
michael@0 58 * @since 4.0
michael@0 59 */
michael@0 60 public class EntityDeserializer {
michael@0 61
michael@0 62 private final ContentLengthStrategy lenStrategy;
michael@0 63
michael@0 64 public EntityDeserializer(final ContentLengthStrategy lenStrategy) {
michael@0 65 super();
michael@0 66 if (lenStrategy == null) {
michael@0 67 throw new IllegalArgumentException("Content length strategy may not be null");
michael@0 68 }
michael@0 69 this.lenStrategy = lenStrategy;
michael@0 70 }
michael@0 71
michael@0 72 /**
michael@0 73 * Creates a {@link BasicHttpEntity} based on properties of the given
michael@0 74 * message. The content of the entity is created by wrapping
michael@0 75 * {@link SessionInputBuffer} with a content decoder depending on the
michael@0 76 * transfer mechanism used by the message.
michael@0 77 * <p>
michael@0 78 * This method is called by the public
michael@0 79 * {@link #deserialize(SessionInputBuffer, HttpMessage)}.
michael@0 80 *
michael@0 81 * @param inbuffer the session input buffer.
michael@0 82 * @param message the message.
michael@0 83 * @return HTTP entity.
michael@0 84 * @throws HttpException in case of HTTP protocol violation.
michael@0 85 * @throws IOException in case of an I/O error.
michael@0 86 */
michael@0 87 protected BasicHttpEntity doDeserialize(
michael@0 88 final SessionInputBuffer inbuffer,
michael@0 89 final HttpMessage message) throws HttpException, IOException {
michael@0 90 BasicHttpEntity entity = new BasicHttpEntity();
michael@0 91
michael@0 92 long len = this.lenStrategy.determineLength(message);
michael@0 93 if (len == ContentLengthStrategy.CHUNKED) {
michael@0 94 entity.setChunked(true);
michael@0 95 entity.setContentLength(-1);
michael@0 96 entity.setContent(new ChunkedInputStream(inbuffer));
michael@0 97 } else if (len == ContentLengthStrategy.IDENTITY) {
michael@0 98 entity.setChunked(false);
michael@0 99 entity.setContentLength(-1);
michael@0 100 entity.setContent(new IdentityInputStream(inbuffer));
michael@0 101 } else {
michael@0 102 entity.setChunked(false);
michael@0 103 entity.setContentLength(len);
michael@0 104 entity.setContent(new ContentLengthInputStream(inbuffer, len));
michael@0 105 }
michael@0 106
michael@0 107 Header contentTypeHeader = message.getFirstHeader(HTTP.CONTENT_TYPE);
michael@0 108 if (contentTypeHeader != null) {
michael@0 109 entity.setContentType(contentTypeHeader);
michael@0 110 }
michael@0 111 Header contentEncodingHeader = message.getFirstHeader(HTTP.CONTENT_ENCODING);
michael@0 112 if (contentEncodingHeader != null) {
michael@0 113 entity.setContentEncoding(contentEncodingHeader);
michael@0 114 }
michael@0 115 return entity;
michael@0 116 }
michael@0 117
michael@0 118 /**
michael@0 119 * Creates an {@link HttpEntity} based on properties of the given message.
michael@0 120 * The content of the entity is created by wrapping
michael@0 121 * {@link SessionInputBuffer} with a content decoder depending on the
michael@0 122 * transfer mechanism used by the message.
michael@0 123 * <p>
michael@0 124 * The content of the entity is NOT retrieved by this method.
michael@0 125 *
michael@0 126 * @param inbuffer the session input buffer.
michael@0 127 * @param message the message.
michael@0 128 * @return HTTP entity.
michael@0 129 * @throws HttpException in case of HTTP protocol violation.
michael@0 130 * @throws IOException in case of an I/O error.
michael@0 131 */
michael@0 132 public HttpEntity deserialize(
michael@0 133 final SessionInputBuffer inbuffer,
michael@0 134 final HttpMessage message) throws HttpException, IOException {
michael@0 135 if (inbuffer == null) {
michael@0 136 throw new IllegalArgumentException("Session input buffer may not be null");
michael@0 137 }
michael@0 138 if (message == null) {
michael@0 139 throw new IllegalArgumentException("HTTP message may not be null");
michael@0 140 }
michael@0 141 return doDeserialize(inbuffer, message);
michael@0 142 }
michael@0 143
michael@0 144 }

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