mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/entity/StrictContentLengthStrategy.java@fc2d59ddac77 (annotated)
mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/entity/StrictContentLengthStrategy.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.
| 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 ch.boye.httpclientandroidlib.Header; |
| michael@0 | 31 | import ch.boye.httpclientandroidlib.HttpException; |
| michael@0 | 32 | import ch.boye.httpclientandroidlib.HttpMessage; |
| michael@0 | 33 | import ch.boye.httpclientandroidlib.HttpVersion; |
| michael@0 | 34 | import ch.boye.httpclientandroidlib.ProtocolException; |
| michael@0 | 35 | import ch.boye.httpclientandroidlib.entity.ContentLengthStrategy; |
| michael@0 | 36 | import ch.boye.httpclientandroidlib.protocol.HTTP; |
| michael@0 | 37 | |
| michael@0 | 38 | /** |
| michael@0 | 39 | * The strict implementation of the content length strategy. This class |
| michael@0 | 40 | * will throw {@link ProtocolException} if it encounters an unsupported |
| michael@0 | 41 | * transfer encoding or a malformed <code>Content-Length</code> header |
| michael@0 | 42 | * value. |
| michael@0 | 43 | * <p> |
| michael@0 | 44 | * This class recognizes "chunked" and "identitiy" transfer-coding only. |
| michael@0 | 45 | * |
| michael@0 | 46 | * @since 4.0 |
| michael@0 | 47 | */ |
| michael@0 | 48 | public class StrictContentLengthStrategy implements ContentLengthStrategy { |
| michael@0 | 49 | |
| michael@0 | 50 | public StrictContentLengthStrategy() { |
| michael@0 | 51 | super(); |
| michael@0 | 52 | } |
| michael@0 | 53 | |
| michael@0 | 54 | public long determineLength(final HttpMessage message) throws HttpException { |
| michael@0 | 55 | if (message == null) { |
| michael@0 | 56 | throw new IllegalArgumentException("HTTP message may not be null"); |
| michael@0 | 57 | } |
| michael@0 | 58 | // Although Transfer-Encoding is specified as a list, in practice |
| michael@0 | 59 | // it is either missing or has the single value "chunked". So we |
| michael@0 | 60 | // treat it as a single-valued header here. |
| michael@0 | 61 | Header transferEncodingHeader = message.getFirstHeader(HTTP.TRANSFER_ENCODING); |
| michael@0 | 62 | Header contentLengthHeader = message.getFirstHeader(HTTP.CONTENT_LEN); |
| michael@0 | 63 | if (transferEncodingHeader != null) { |
| michael@0 | 64 | String s = transferEncodingHeader.getValue(); |
| michael@0 | 65 | if (HTTP.CHUNK_CODING.equalsIgnoreCase(s)) { |
| michael@0 | 66 | if (message.getProtocolVersion().lessEquals(HttpVersion.HTTP_1_0)) { |
| michael@0 | 67 | throw new ProtocolException( |
| michael@0 | 68 | "Chunked transfer encoding not allowed for " + |
| michael@0 | 69 | message.getProtocolVersion()); |
| michael@0 | 70 | } |
| michael@0 | 71 | return CHUNKED; |
| michael@0 | 72 | } else if (HTTP.IDENTITY_CODING.equalsIgnoreCase(s)) { |
| michael@0 | 73 | return IDENTITY; |
| michael@0 | 74 | } else { |
| michael@0 | 75 | throw new ProtocolException( |
| michael@0 | 76 | "Unsupported transfer encoding: " + s); |
| michael@0 | 77 | } |
| michael@0 | 78 | } else if (contentLengthHeader != null) { |
| michael@0 | 79 | String s = contentLengthHeader.getValue(); |
| michael@0 | 80 | try { |
| michael@0 | 81 | long len = Long.parseLong(s); |
| michael@0 | 82 | return len; |
| michael@0 | 83 | } catch (NumberFormatException e) { |
| michael@0 | 84 | throw new ProtocolException("Invalid content length: " + s); |
| michael@0 | 85 | } |
| michael@0 | 86 | } else { |
| michael@0 | 87 | return IDENTITY; |
| michael@0 | 88 | } |
| michael@0 | 89 | } |
| michael@0 | 90 | |
| michael@0 | 91 | } |
