/*
* ====================================================================
*
* 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
* <http://www.apache.org/>.
*
*/
package ch.boye.httpclientandroidlib.client.entity;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.GZIPInputStream;
import ch.boye.httpclientandroidlib.Header;
import ch.boye.httpclientandroidlib.HttpEntity;
import ch.boye.httpclientandroidlib.entity.HttpEntityWrapper;
/**
* {@link HttpEntityWrapper} for handling gzip Content Coded responses.
*
* @since 4.1
*/
public class GzipDecompressingEntity extends DecompressingEntity {
/**
* Creates a new {@link GzipDecompressingEntity} which will wrap the specified
* {@link HttpEntity}.
*
* @param entity
* the non-null {@link HttpEntity} to be wrapped
*/
public GzipDecompressingEntity(final HttpEntity entity) {
super(entity);
}
@Override
InputStream getDecompressingInputStream(final InputStream wrapped) throws IOException {
return new GZIPInputStream(wrapped);
}
/**
* {@inheritDoc}
*/
@Override
public Header getContentEncoding() {
/* This HttpEntityWrapper has dealt with the Content-Encoding. */
return null;
}
/**
* {@inheritDoc}
*/
@Override
public long getContentLength() {
/* length of ungzipped content is not known */
return -1;
}
}