/*
* Copyright 2007 Yusuke Yamamoto
* Copyright 2012 Twitter, Inc.
*
* Licensed 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.
*/
package twitter4j.internal.http;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.GZIPInputStream;
final class StreamingGZIPInputStream extends GZIPInputStream {
private final InputStream wrapped;
public StreamingGZIPInputStream(InputStream is) throws IOException {
super(is);
wrapped = is;
}
/**
* Overrides behavior of GZIPInputStream which assumes we have all the data available
* which is not true for streaming. We instead rely on the underlying stream to tell us
* how much data is available.
* <p/>
* Programs should not count on this method to return the actual number
* of bytes that could be read without blocking.
*
* @return - whatever the wrapped InputStream returns
* @throws IOException if an I/O error occurs.
*/
@Override
public int available() throws IOException {
return wrapped.available();
}
}