com.couchbase.client.core.deps.org.iq80.snappy.HadoopSnappyCodec Maven / Gradle / Ivy
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The official Couchbase JVM Core IO Library
/*
* Copyright (C) 2011 the original author or authors.
* See the notice.md file distributed with this work for additional
* information regarding copyright ownership.
*
* 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 com.couchbase.client.core.deps.org.iq80.snappy;
import org.apache.hadoop.io.compress.CompressionCodec;
import org.apache.hadoop.io.compress.CompressionInputStream;
import org.apache.hadoop.io.compress.CompressionOutputStream;
import org.apache.hadoop.io.compress.Compressor;
import org.apache.hadoop.io.compress.Decompressor;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class HadoopSnappyCodec
implements CompressionCodec
{
@Override
public CompressionOutputStream createOutputStream(OutputStream outputStream)
throws IOException
{
return new SnappyCompressionOutputStream(outputStream);
}
@Override
public CompressionOutputStream createOutputStream(OutputStream outputStream, Compressor compressor)
throws IOException
{
throw new UnsupportedOperationException("Snappy Compressor is not supported");
}
@Override
public Class getCompressorType()
{
throw new UnsupportedOperationException("Snappy Compressor is not supported");
}
@Override
public Compressor createCompressor()
{
throw new UnsupportedOperationException("Snappy Compressor is not supported");
}
@Override
public CompressionInputStream createInputStream(InputStream inputStream)
throws IOException
{
return new SnappyCompressionInputStream(inputStream);
}
@Override
public CompressionInputStream createInputStream(InputStream inputStream, Decompressor decompressor)
throws IOException
{
throw new UnsupportedOperationException("Snappy Decompressor is not supported");
}
@Override
public Class getDecompressorType()
{
throw new UnsupportedOperationException("Snappy Decompressor is not supported");
}
@Override
public Decompressor createDecompressor()
{
throw new UnsupportedOperationException("Snappy Decompressor is not supported");
}
@Override
public String getDefaultExtension()
{
return ".snappy";
}
private static class SnappyCompressionOutputStream
extends CompressionOutputStream
{
public SnappyCompressionOutputStream(OutputStream outputStream)
throws IOException
{
super(new SnappyOutputStream(outputStream));
}
@Override
public void write(byte[] b, int off, int len)
throws IOException
{
out.write(b, off, len);
}
@Override
public void finish()
throws IOException
{
out.flush();
}
@Override
public void resetState()
throws IOException
{
out.flush();
}
@Override
public void write(int b)
throws IOException
{
out.write(b);
}
}
private static class SnappyCompressionInputStream
extends CompressionInputStream
{
public SnappyCompressionInputStream(InputStream inputStream)
throws IOException
{
super(new SnappyInputStream(inputStream));
}
@Override
public int read(byte[] b, int off, int len)
throws IOException
{
return in.read(b, off, len);
}
@Override
public void resetState()
throws IOException
{
throw new UnsupportedOperationException("resetState not supported for Snappy");
}
@Override
public int read()
throws IOException
{
return in.read();
}
}
}