diff -r 000000000000 -r 6474c204b198 mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/protocol/ResponseContentEncoding.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/protocol/ResponseContentEncoding.java Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,99 @@ +/* + * ==================================================================== + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * . + * + */ + +package ch.boye.httpclientandroidlib.client.protocol; + +import java.io.IOException; +import java.util.Locale; + +import ch.boye.httpclientandroidlib.Header; +import ch.boye.httpclientandroidlib.HeaderElement; +import ch.boye.httpclientandroidlib.HttpEntity; +import ch.boye.httpclientandroidlib.HttpException; +import ch.boye.httpclientandroidlib.HttpResponse; +import ch.boye.httpclientandroidlib.HttpResponseInterceptor; +import ch.boye.httpclientandroidlib.annotation.Immutable; +import ch.boye.httpclientandroidlib.client.entity.DeflateDecompressingEntity; +import ch.boye.httpclientandroidlib.client.entity.GzipDecompressingEntity; +import ch.boye.httpclientandroidlib.protocol.HttpContext; + +/** + * {@link HttpResponseInterceptor} responsible for processing Content-Encoding + * responses. + *

+ * Instances of this class are stateless and immutable, therefore threadsafe. + * + * @since 4.1 + * + */ +@Immutable +public class ResponseContentEncoding implements HttpResponseInterceptor { + + /** + * Handles the following {@code Content-Encoding}s by + * using the appropriate decompressor to wrap the response Entity: + *

+ * + * @param response the response which contains the entity + * @param context not currently used + * + * @throws HttpException if the {@code Content-Encoding} is none of the above + */ + public void process( + final HttpResponse response, + final HttpContext context) throws HttpException, IOException { + HttpEntity entity = response.getEntity(); + + // It wasn't a 304 Not Modified response, 204 No Content or similar + if (entity != null) { + Header ceheader = entity.getContentEncoding(); + if (ceheader != null) { + HeaderElement[] codecs = ceheader.getElements(); + for (HeaderElement codec : codecs) { + String codecname = codec.getName().toLowerCase(Locale.US); + if ("gzip".equals(codecname) || "x-gzip".equals(codecname)) { + response.setEntity(new GzipDecompressingEntity(response.getEntity())); + return; + } else if ("deflate".equals(codecname)) { + response.setEntity(new DeflateDecompressingEntity(response.getEntity())); + return; + } else if ("identity".equals(codecname)) { + + /* Don't need to transform the content - no-op */ + return; + } else { + throw new HttpException("Unsupported Content-Coding: " + codec.getName()); + } + } + } + } + } + +}