Compressors

Type Members

case class StreamCompress(compressorName: StreamableCompressor, out: OutputStream) extends Product with Serializable

case class StreamDecompress(compressorName: StreamableCompressor, in: InputStream) extends Product with Serializable

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")

Value Members

final def !=(arg0: Any): Boolean

Definition Classes
AnyRef → Any
final def ##(): Int

Definition Classes
AnyRef → Any
final def ==(arg0: Any): Boolean

Definition Classes
AnyRef → Any
object StreamableCompressor extends Enumeration
def arCompress(src: List[String], dest: String): Try[CompressionStats]

src
File and folder to compress
dest
Destination folder
returns
Statistics on compression procedure
def arDecompress(src: String, dest: String, entries: Option[List[String]] = None): Try[DecompressionStats]

src
File to decompress
dest
Destination folder
entries
If != None extract only these entries
returns
Statistics on decompression procedure
final def asInstanceOf[T0]: T0

Definition Classes
Any
def bzip2Compress(src: String, dest: String): Try[CompressionStats]

src
File to compress
dest
Destination folder
returns
Statistics on compression procedure
def bzip2Decompress(src: String, dest: String): Try[DecompressionStats]

src
File to decompress
dest
Destination folder
returns
Statistics on decompression procedure
def clone(): AnyRef

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@HotSpotIntrinsicCandidate() @throws( ... )

def compressStream(compressorName: StreamableCompressor, in: InputStream, out: OutputStream): Try[Unit]

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)

def cpioCompress(src: List[String], dest: String): Try[CompressionStats]

src
File and folder to compress
dest
Destination folder
returns
Statistics on compression procedure
def cpioDecompress(src: String, dest: String, entries: Option[List[String]] = None): Try[DecompressionStats]

src
File to decompress
dest
Destination folder
entries
If != None extract only these entries
returns
Statistics on decompression procedure

def decompressStream(compressorName: StreamableCompressor, in: InputStream, out: OutputStream): Try[Unit]

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)

def deflateCompress(src: String, dest: String): Try[CompressionStats]

src
File to decompress
dest
Destination folder
returns
Statistics on decompression procedure
def deflateDecompress(src: String, dest: String): Try[DecompressionStats]

src
File to decompress
dest
Destination folder
returns
Statistics on decompression procedure
final def eq(arg0: AnyRef): Boolean

Definition Classes
AnyRef
def equals(arg0: Any): Boolean

Definition Classes
AnyRef → Any
final def getClass(): Class[_]

Definition Classes
AnyRef → Any
Annotations
@HotSpotIntrinsicCandidate()
def gzCompress(src: String, dest: String): Try[CompressionStats]

src
File to decompress
dest
Destination folder
returns
Statistics on decompression procedure
def gzDecompress(src: String, dest: String): Try[DecompressionStats]

src
File to decompress
dest
Destination folder
returns
Statistics on decompression procedure
def hashCode(): Int

Definition Classes
AnyRef → Any
Annotations
@HotSpotIntrinsicCandidate()
final def isInstanceOf[T0]: Boolean

Definition Classes
Any
def lz4Compress(src: String, dest: String): Try[CompressionStats]

src
file to compress
dest
Destination folder
returns
Statistics on compression procedure
def lz4Decompress(src: String, dest: String): Try[DecompressionStats]

src
File to decompress
dest
Destination folder
returns
Statistics on decompression procedure
def lzmaCompress(src: String, dest: String): Try[CompressionStats]

src
file to compress
dest
Destination folder
returns
Statistics on compression procedure
def lzmaDecompress(src: String, dest: String): Try[DecompressionStats]

src
File to decompress
dest
Destination folder
returns
Statistics on decompression procedure
final def ne(arg0: AnyRef): Boolean

Definition Classes
AnyRef
final def notify(): Unit

Definition Classes
AnyRef
Annotations
@HotSpotIntrinsicCandidate()
final def notifyAll(): Unit

Definition Classes
AnyRef
Annotations
@HotSpotIntrinsicCandidate()
def pack200Compress(src: String, dest: String): Try[CompressionStats]

src
File to compress
dest
Destination folder
returns
Statistics on compression procedure
def pack200Decompress(src: String, dest: String): Try[DecompressionStats]

src
File to decompress
dest
Destination folder
returns
Statistics on decompression procedure
def sevenZipCompress(src: List[String], dest: String): Try[CompressionStats]

src
File and folder to compress
dest
Destination folder
returns
Statistics on compression procedure
def sevenZipDecompress(src: String, dest: String, entries: Option[List[String]] = None): Try[DecompressionStats]

src
Compressed file
dest
Destination folder
returns
Statistics on decompression procedure
def snappyCompress(src: String, dest: String): Try[CompressionStats]

src
File to compress
dest
Destination folder
returns
Statistics on compression procedure
def snappyDecompress(src: String, dest: String): Try[DecompressionStats]

src
File to decompress
dest
Destination folder
returns
Statistics on decompression procedure
final def synchronized[T0](arg0: ⇒ T0): T0

Definition Classes
AnyRef
def tarCompress(src: List[String], dest: String): Try[CompressionStats]

src
File and folder to compress
dest
Destination folder
returns
Statistics on compression procedure
def tarDecompress(src: String, dest: String, entries: Option[List[String]] = None): Try[DecompressionStats]

src
File to decompress
dest
Destination folder
entries
If != None extract only these entries
returns
Statistics on decompression procedure
def toString(): String

Definition Classes
AnyRef → Any
def unzipString(src: Array[Byte], bufferSize: Int = 256): Try[Array[Byte]]

src
Compressed Array[Byte]
bufferSize
Optional buffer size
returns
Uncompressed Array[Byte]
final def wait(arg0: Long, arg1: Int): Unit

Definition Classes
AnyRef
Annotations
@throws( ... )
final def wait(arg0: Long): Unit

Definition Classes
AnyRef
Annotations
@throws( ... )
final def wait(): Unit

Definition Classes
AnyRef
Annotations
@throws( ... )
def writeStreamToFile(in: InputStream, dest: String): Try[Unit]
def xzCompress(src: String, dest: String): Try[CompressionStats]

src
File to compress
dest
Destination folder
returns
Statistics on compression procedure
def xzDecompress(src: String, dest: String): Try[DecompressionStats]

src
File to decompress
dest
Destination folder
returns
Statistics on decompression procedure
def zStandardCompress(src: String, dest: String): Try[CompressionStats]

src
File to compress
dest
Destination folder
returns
Statistics on compression procedure
def zStandardDecompress(src: String, dest: String): Try[DecompressionStats]

src
File to decompress
dest
Destination folder
returns
Statistics on decompression procedure
def zipCompress(src: List[String], dest: String): Try[CompressionStats]

src
File and folder to compress
dest
Destination folder
returns
Statistics on compression procedure
def zipDecompress(src: String, dest: String): Try[DecompressionStats]

src
File to decompress
dest
Destination folder
returns
Statistics on decompression procedure
def zipDecompressEntry(src: String, entryName: String): Try[Array[Byte]]

src
Compressed file
entryName
The entry name to decompress
returns
Uncompressed Array[Byte]
def zipEntries(src: String): Try[List[ZipEntry]]

src
Compressed file
returns
ZipEntry List
def zipString(src: String, charSetName: String = "UTF-8"): Try[Array[Byte]]

src
String to compress
returns
compressed Array[Byte]

Deprecated Value Members

def finalize(): Unit

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@Deprecated @deprecated @throws( classOf[java.lang.Throwable] )
Deprecated
(Since version ) see corresponding Javadoc for more information.

Related Doc: package scalacompress

object Compressors

Type Members

case class StreamCompress(compressorName: StreamableCompressor, out: OutputStream) extends Product with Serializable

case class StreamDecompress(compressorName: StreamableCompressor, in: InputStream) extends Product with Serializable

Value Members

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

object StreamableCompressor extends Enumeration

def arCompress(src: List[String], dest: String): Try[CompressionStats]

def arDecompress(src: String, dest: String, entries: Option[List[String]] = None): Try[DecompressionStats]

final def asInstanceOf[T0]: T0

def bzip2Compress(src: String, dest: String): Try[CompressionStats]

def bzip2Decompress(src: String, dest: String): Try[DecompressionStats]

def clone(): AnyRef

def compressStream(compressorName: StreamableCompressor, in: InputStream, out: OutputStream): Try[Unit]

def cpioCompress(src: List[String], dest: String): Try[CompressionStats]

def cpioDecompress(src: String, dest: String, entries: Option[List[String]] = None): Try[DecompressionStats]

def decompressStream(compressorName: StreamableCompressor, in: InputStream, out: OutputStream): Try[Unit]

def deflateCompress(src: String, dest: String): Try[CompressionStats]

def deflateDecompress(src: String, dest: String): Try[DecompressionStats]

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

final def getClass(): Class[_]

def gzCompress(src: String, dest: String): Try[CompressionStats]

def gzDecompress(src: String, dest: String): Try[DecompressionStats]

def hashCode(): Int

final def isInstanceOf[T0]: Boolean

def lz4Compress(src: String, dest: String): Try[CompressionStats]

def lz4Decompress(src: String, dest: String): Try[DecompressionStats]

def lzmaCompress(src: String, dest: String): Try[CompressionStats]

def lzmaDecompress(src: String, dest: String): Try[DecompressionStats]

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

def pack200Compress(src: String, dest: String): Try[CompressionStats]

def pack200Decompress(src: String, dest: String): Try[DecompressionStats]

def sevenZipCompress(src: List[String], dest: String): Try[CompressionStats]

def sevenZipDecompress(src: String, dest: String, entries: Option[List[String]] = None): Try[DecompressionStats]

def snappyCompress(src: String, dest: String): Try[CompressionStats]

def snappyDecompress(src: String, dest: String): Try[DecompressionStats]

final def synchronized[T0](arg0: ⇒ T0): T0

def tarCompress(src: List[String], dest: String): Try[CompressionStats]

def tarDecompress(src: String, dest: String, entries: Option[List[String]] = None): Try[DecompressionStats]

def toString(): String

def unzipString(src: Array[Byte], bufferSize: Int = 256): Try[Array[Byte]]

final def wait(arg0: Long, arg1: Int): Unit

final def wait(arg0: Long): Unit

final def wait(): Unit

def writeStreamToFile(in: InputStream, dest: String): Try[Unit]

def xzCompress(src: String, dest: String): Try[CompressionStats]

def xzDecompress(src: String, dest: String): Try[DecompressionStats]

def zStandardCompress(src: String, dest: String): Try[CompressionStats]

def zStandardDecompress(src: String, dest: String): Try[DecompressionStats]

def zipCompress(src: List[String], dest: String): Try[CompressionStats]

def zipDecompress(src: String, dest: String): Try[DecompressionStats]

def zipDecompressEntry(src: String, entryName: String): Try[Array[Byte]]

def zipEntries(src: String): Try[List[ZipEntry]]

def zipString(src: String, charSetName: String = "UTF-8"): Try[Array[Byte]]

Deprecated Value Members

def finalize(): Unit

Inherited from AnyRef

Inherited from Any

Ungrouped