diff -r 000000000000 -r 6474c204b198 mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/entity/DecompressingEntity.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/entity/DecompressingEntity.java Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,102 @@ +/* + * ==================================================================== + * + * 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.entity; + +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; + +import ch.boye.httpclientandroidlib.HttpEntity; +import ch.boye.httpclientandroidlib.entity.HttpEntityWrapper; + +/** + * Common base class for decompressing {@link HttpEntity} implementations. + * + * @since 4.1 + */ +abstract class DecompressingEntity extends HttpEntityWrapper { + + /** + * Default buffer size. + */ + private static final int BUFFER_SIZE = 1024 * 2; + + /** + * DecompressingEntities are not repeatable, so they will return the same + * InputStream instance when {@link #getContent()} is called. + */ + private InputStream content; + + /** + * Creates a new {@link DecompressingEntity}. + * + * @param wrapped + * the non-null {@link HttpEntity} to be wrapped + */ + public DecompressingEntity(final HttpEntity wrapped) { + super(wrapped); + } + + abstract InputStream getDecompressingInputStream(final InputStream wrapped) throws IOException; + + /** + * {@inheritDoc} + */ + @Override + public InputStream getContent() throws IOException { + if (wrappedEntity.isStreaming()) { + if (content == null) { + content = getDecompressingInputStream(wrappedEntity.getContent()); + } + return content; + } else { + return getDecompressingInputStream(wrappedEntity.getContent()); + } + } + + /** + * {@inheritDoc} + */ + @Override + public void writeTo(OutputStream outstream) throws IOException { + if (outstream == null) { + throw new IllegalArgumentException("Output stream may not be null"); + } + InputStream instream = getContent(); + try { + byte[] buffer = new byte[BUFFER_SIZE]; + + int l; + + while ((l = instream.read(buffer)) != -1) { + outstream.write(buffer, 0, l); + } + } finally { + instream.close(); + } + } + +}