public static byte[] compress(byte data[], String signature, String version) {
byte header[] = ArrayUtil.mergeArrays(signature.getBytes(), version.getBytes());
header = ArrayUtil.mergeArrays(header, Byteconvert.convertBack(data.length));
byte result[] = ArrayUtil.resizeArray(header, data.length * 2);
Deflater deflater = new Deflater();
deflater.setInput(data);
deflater.finish();
int clength = deflater.deflate(result, 12, result.length - 12);
return ArrayUtil.getSubArray(result, 0, clength + 12);
}
public static byte[] decompress(byte buffer[]) throws IOException {
byte result[] = new byte[Byteconvert.convertInt(buffer, 8)];
inflater.setInput(buffer, 12, buffer.length - 12);
try {
inflater.inflate(result);
} catch (DataFormatException e) {
throw new IOException();
}
inflater.reset();
return result;
}