The Tor Browser / file comparison
comparison: mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/protocol/ResponseContentEncoding.java
mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/protocol/ResponseContentEncoding.java
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:725bb9a93618 |
|---|---|
| 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 | |
| 27 package ch.boye.httpclientandroidlib.client.protocol; | |
| 28 | |
| 29 import java.io.IOException; | |
| 30 import java.util.Locale; | |
| 31 | |
| 32 import ch.boye.httpclientandroidlib.Header; | |
| 33 import ch.boye.httpclientandroidlib.HeaderElement; | |
| 34 import ch.boye.httpclientandroidlib.HttpEntity; | |
| 35 import ch.boye.httpclientandroidlib.HttpException; | |
| 36 import ch.boye.httpclientandroidlib.HttpResponse; | |
| 37 import ch.boye.httpclientandroidlib.HttpResponseInterceptor; | |
| 38 import ch.boye.httpclientandroidlib.annotation.Immutable; | |
| 39 import ch.boye.httpclientandroidlib.client.entity.DeflateDecompressingEntity; | |
| 40 import ch.boye.httpclientandroidlib.client.entity.GzipDecompressingEntity; | |
| 41 import ch.boye.httpclientandroidlib.protocol.HttpContext; | |
| 42 | |
| 43 /** | |
| 44 * {@link HttpResponseInterceptor} responsible for processing Content-Encoding | |
| 45 * responses. | |
| 46 * <p> | |
| 47 * Instances of this class are stateless and immutable, therefore threadsafe. | |
| 48 * | |
| 49 * @since 4.1 | |
| 50 * | |
| 51 */ | |
| 52 @Immutable | |
| 53 public class ResponseContentEncoding implements HttpResponseInterceptor { | |
| 54 | |
| 55 /** | |
| 56 * Handles the following {@code Content-Encoding}s by | |
| 57 * using the appropriate decompressor to wrap the response Entity: | |
| 58 * <ul> | |
| 59 * <li>gzip - see {@link GzipDecompressingEntity}</li> | |
| 60 * <li>deflate - see {@link DeflateDecompressingEntity}</li> | |
| 61 * <li>identity - no action needed</li> | |
| 62 * </ul> | |
| 63 * | |
| 64 * @param response the response which contains the entity | |
| 65 * @param context not currently used | |
| 66 * | |
| 67 * @throws HttpException if the {@code Content-Encoding} is none of the above | |
| 68 */ | |
| 69 public void process( | |
| 70 final HttpResponse response, | |
| 71 final HttpContext context) throws HttpException, IOException { | |
| 72 HttpEntity entity = response.getEntity(); | |
| 73 | |
| 74 // It wasn't a 304 Not Modified response, 204 No Content or similar | |
| 75 if (entity != null) { | |
| 76 Header ceheader = entity.getContentEncoding(); | |
| 77 if (ceheader != null) { | |
| 78 HeaderElement[] codecs = ceheader.getElements(); | |
| 79 for (HeaderElement codec : codecs) { | |
| 80 String codecname = codec.getName().toLowerCase(Locale.US); | |
| 81 if ("gzip".equals(codecname) || "x-gzip".equals(codecname)) { | |
| 82 response.setEntity(new GzipDecompressingEntity(response.getEntity())); | |
| 83 return; | |
| 84 } else if ("deflate".equals(codecname)) { | |
| 85 response.setEntity(new DeflateDecompressingEntity(response.getEntity())); | |
| 86 return; | |
| 87 } else if ("identity".equals(codecname)) { | |
| 88 | |
| 89 /* Don't need to transform the content - no-op */ | |
| 90 return; | |
| 91 } else { | |
| 92 throw new HttpException("Unsupported Content-Coding: " + codec.getName()); | |
| 93 } | |
| 94 } | |
| 95 } | |
| 96 } | |
| 97 } | |
| 98 | |
| 99 } |
