public static byte[] Zip2(byte[] content)
        {
            using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
            using (DeflateStream stream = new DeflateStream(ms, CompressionMode.Compress, true))
            {
                stream.Write(content, 0, content.Length);
                stream.Close();
                return ms.ToArray();
            }
        }

public static byte[] decompress(byte[] compressedData) {
        Inflater inflater = new Inflater(true);
        inflater.setInput(compressedData);
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream(compressedData.length);
        byte[] buffer = new byte[1024];
        try {
            while (!inflater.finished()) {
                int count = inflater.inflate(buffer);
                outputStream.write(buffer, 0, count);
            }
            outputStream.close();
        } catch (Exception e) {
            e.printStackTrace();
        }

        return outputStream.toByteArray();
    }

private static byte[] decompress2(byte[] bts) {       
        ByteArrayInputStream bin = new ByteArrayInputStream(bts);
        InflaterInputStream infIn = new InflaterInputStream(bin,new Inflater(true));
        ByteArrayOutputStream btOut = new ByteArrayOutputStream(128);
        try {
            int b = -1;
            while ((b = infIn.read()) != -1) {
                btOut.write(b);
            }
            bin.close();
            infIn.close();
            btOut.close();
            return btOut.toByteArray();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }

    public static byte[] compress(byte[] data) {
        byte[] output=null;
        Deflater compress = new Deflater(Deflater.DEFAULT_COMPRESSION, true);
        //compress.reset();
        compress.setInput(data);
        compress.finish();
        ByteArrayOutputStream bos = new ByteArrayOutputStream(data.length);
        try{
            byte[] buf = new byte[1024];
            while (!compress.finished()) {
                int cnt = compress.deflate(buf);
                bos.write(buf, 0, cnt);
            }
            output = bos.toByteArray();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return output;
    }