Compressors

Decompressing stream example

val zStream     = StreamDecompress(StreamableCompressor.GZ, new FileInputStream("/tmp/compressedFile"))
//  val zStream     = StreamDecompress(StreamableCompressor.DEFLATE, new FileInputStream("/tmp/compressedFile"))
//  val zStream     = StreamDecompress(StreamableCompressor.BZ2, new FileInputStream("/tmp/compressedFile"))
//  val zStream     = StreamDecompress(StreamableCompressor.PACK200, new FileInputStream("/tmp/compressedFile"))
//  val zStream     = StreamDecompress(StreamableCompressor.XZ, new FileInputStream("/tmp/compressedFile"))
//  val zStream     = StreamDecompress(StreamableCompressor.ZSTANDARD, new FileInputStream("/tmp/compressedFile"))
//  val zStream     = StreamDecompress(StreamableCompressor.LZMA, new FileInputStream("/tmp/compressedFile"))
//  val zStream     = StreamDecompress(StreamableCompressor.LZ4, new FileInputStream("/tmp/compressedFile"))
//  val zStream     = StreamDecompress(StreamableCompressor.Snappy1, new FileInputStream("/tmp/compressedFile"))
val buffer       = new Array[Byte](2)
val decompressed = new StringBuilder

@tailrec
def readBuffer(): Unit = {
 zStream.readInBuffer(buffer) match {
   case Failure(exception) => exception.printStackTrace
   case Success(bytesRead) =>
     if (bytesRead != -1) {
       decompressed.append(new String(buffer, StandardCharsets.UTF_8))
       readBuffer()
     } else {
       println
       zStream.close()
     }
 }
}
readBuffer()
val cl: Try[Unit] = zStream.close()
assert(decompressed.toString == "foobar")

val in: InputStream     = ???
val out: OutputStream   = ???
val compress: Try[Unit] = compressStream(StreamableCompressor.GZ, in, out)
//    val compress: Try[Unit] = compressStream(StreamableCompressor.DEFLATE, in, out)
//    val compress: Try[Unit] = compressStream(StreamableCompressor.BZ2, in, out)
//    val compress: Try[Unit] = compressStream(StreamableCompressor.PACK200, in, out)
//    val compress: Try[Unit] = compressStream(StreamableCompressor.XZ, in, out)
//    val compress: Try[Unit] = compressStream(StreamableCompressor.ZSTANDARD, in, out)
//    val compress: Try[Unit] = compressStream(StreamableCompressor.LZMA, in, out)
//    val compress: Try[Unit] = compressStream(StreamableCompressor.LZ4, in, out)
//    val compress: Try[Unit] = compressStream(StreamableCompressor.SNAPPY, in, out)

val in: InputStream = ???
val out: OutputStream = ???
val decompress: Try[Unit] = decompressStream(StreamableCompressor.GZ,in, out)
//    val decompress: Try[Unit] = decompressStream(StreamableCompressor.DEFLATE,in, out)
//    val decompress: Try[Unit] = decompressStream(StreamableCompressor.BZ2,in, out)
//    val decompress: Try[Unit] = decompressStream(StreamableCompressor.PACK200,in, out)
//    val decompress: Try[Unit] = decompressStream(StreamableCompressor.XZ,in, out)
//    val decompress: Try[Unit] = decompressStream(StreamableCompressor.ZSTANDARD,in, out)
//    val decompress: Try[Unit] = decompressStream(StreamableCompressor.LZMA,in, out)
//    val decompress: Try[Unit] = decompressStream(StreamableCompressor.LZ4,in, out)
//    val decompress: Try[Unit] = decompressStream(StreamableCompressor.SNAPPY,in, out)