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//
// ========================================================================
// Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.spdy;
import java.util.zip.DataFormatException;
import java.util.zip.Deflater;
import java.util.zip.Inflater;
import java.util.zip.ZipException;
public class StandardCompressionFactory implements CompressionFactory
{
@Override
public Compressor newCompressor()
{
return new StandardCompressor();
}
@Override
public Decompressor newDecompressor()
{
return new StandardDecompressor();
}
public static class StandardCompressor implements Compressor
{
private final Deflater deflater = new Deflater();
@Override
public void setInput(byte[] input)
{
deflater.setInput(input);
}
@Override
public void setDictionary(byte[] dictionary)
{
deflater.setDictionary(dictionary);
}
@Override
public int compress(byte[] output)
{
return deflater.deflate(output, 0, output.length, Deflater.SYNC_FLUSH);
}
}
public static class StandardDecompressor implements CompressionFactory.Decompressor
{
private final Inflater inflater = new Inflater();
@Override
public void setDictionary(byte[] dictionary)
{
inflater.setDictionary(dictionary);
}
@Override
public void setInput(byte[] input)
{
inflater.setInput(input);
}
@Override
public int decompress(byte[] output) throws ZipException
{
try
{
return inflater.inflate(output);
}
catch (DataFormatException x)
{
throw (ZipException)new ZipException().initCause(x);
}
}
}
}
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