package com.esotericsoftware.kryo.compress;
import java.nio.ByteBuffer;
import java.util.zip.DataFormatException;
import java.util.zip.Deflater;
import java.util.zip.Inflater;
import com.esotericsoftware.kryo.SerializationException;
import com.esotericsoftware.kryo.Serializer;
// BOZO - Process in batches to avoid a large buffer size.
/**
* Compresses and decompresses using the "deflate" algorithm.
* @author Nathan Sweet <misc@n4te.com>
*/
public class DeflateCompressor extends ByteArrayCompressor {
private Deflater deflater;
private Inflater inflater;
public DeflateCompressor (Serializer serializer) {
this(serializer, 2048);
}
public DeflateCompressor (Serializer serializer, int bufferSize) {
super(serializer, bufferSize);
this.deflater = new Deflater();
this.inflater = new Inflater();
}
public void compress (byte[] inputBytes, int inputLength, ByteBuffer outputBuffer) {
deflater.reset();
deflater.setInput(inputBytes, 0, inputLength);
deflater.finish();
outputBuffer.position(deflater.deflate(outputBuffer.array()));
}
public void decompress (byte[] inputBytes, int inputLength, ByteBuffer outputBuffer) {
inflater.reset();
inflater.setInput(inputBytes, 0, inputLength);
try {
outputBuffer.position(inflater.inflate(outputBuffer.array()));
} catch (DataFormatException ex) {
throw new SerializationException("Error inflating data.", ex);
}
}
}