org.xerial.snappy

Interface SnappyApi

All Known Implementing Classes:

PureJavaSnappy, SnappyNative

public interface SnappyApi

Snappy compressor/decompressor interface. The implementation can be JNI binding or pure-java Snappy implementation.

Method Summary

Modifier and Type	Method and Description
void	arrayCopy(java.lang.Object src, int offset, int byteLength, java.lang.Object dest, int dOffset)
boolean	isValidCompressedBuffer(java.nio.ByteBuffer compressed, int offset, int len)
boolean	isValidCompressedBuffer(long inputAddr, long offset, long len)
boolean	isValidCompressedBuffer(java.lang.Object input, int offset, int len)
int	maxCompressedLength(int source_bytes)
int	rawCompress(java.nio.ByteBuffer input, int inputOffset, int inputLength, java.nio.ByteBuffer compressed, int outputOffset)
long	rawCompress(long inputAddr, long inputSize, long destAddr)
int	rawCompress(java.lang.Object input, int inputOffset, int inputByteLength, java.lang.Object output, int outputOffset)
int	rawUncompress(java.nio.ByteBuffer compressed, int inputOffset, int inputLength, java.nio.ByteBuffer uncompressed, int outputOffset)
long	rawUncompress(long inputAddr, long inputSize, long destAddr)
int	rawUncompress(java.lang.Object input, int inputOffset, int inputLength, java.lang.Object output, int outputOffset)
int	uncompressedLength(java.nio.ByteBuffer compressed, int offset, int len)
long	uncompressedLength(long inputAddr, long len)
int	uncompressedLength(java.lang.Object input, int offset, int len)

Method Detail

rawCompress

long rawCompress(long inputAddr,
                 long inputSize,
                 long destAddr)
          throws java.io.IOException

Throws:

java.io.IOException

rawUncompress

long rawUncompress(long inputAddr,
                   long inputSize,
                   long destAddr)
            throws java.io.IOException

Throws:

java.io.IOException

rawCompress

int rawCompress(java.nio.ByteBuffer input,
                int inputOffset,
                int inputLength,
                java.nio.ByteBuffer compressed,
                int outputOffset)
         throws java.io.IOException

Throws:

java.io.IOException

rawCompress

int rawCompress(java.lang.Object input,
                int inputOffset,
                int inputByteLength,
                java.lang.Object output,
                int outputOffset)
         throws java.io.IOException

Throws:

java.io.IOException

rawUncompress

int rawUncompress(java.nio.ByteBuffer compressed,
                  int inputOffset,
                  int inputLength,
                  java.nio.ByteBuffer uncompressed,
                  int outputOffset)
           throws java.io.IOException

Throws:

java.io.IOException

rawUncompress

int rawUncompress(java.lang.Object input,
                  int inputOffset,
                  int inputLength,
                  java.lang.Object output,
                  int outputOffset)
           throws java.io.IOException

Throws:

java.io.IOException

maxCompressedLength

int maxCompressedLength(int source_bytes)

uncompressedLength

int uncompressedLength(java.nio.ByteBuffer compressed,
                       int offset,
                       int len)
                throws java.io.IOException

Throws:

java.io.IOException

uncompressedLength

int uncompressedLength(java.lang.Object input,
                       int offset,
                       int len)
                throws java.io.IOException

Throws:

java.io.IOException

uncompressedLength

long uncompressedLength(long inputAddr,
                        long len)
                 throws java.io.IOException

Throws:

java.io.IOException

isValidCompressedBuffer

boolean isValidCompressedBuffer(java.nio.ByteBuffer compressed,
                                int offset,
                                int len)
                         throws java.io.IOException

Throws:

java.io.IOException

isValidCompressedBuffer

boolean isValidCompressedBuffer(java.lang.Object input,
                                int offset,
                                int len)
                         throws java.io.IOException

Throws:

java.io.IOException

isValidCompressedBuffer

boolean isValidCompressedBuffer(long inputAddr,
                                long offset,
                                long len)
                         throws java.io.IOException

Throws:

java.io.IOException

arrayCopy

void arrayCopy(java.lang.Object src,
               int offset,
               int byteLength,
               java.lang.Object dest,
               int dOffset)
        throws java.io.IOException

Throws:

java.io.IOException