Package org.apache.commons.compress.compressors.zstandard

Class ZstdCompressorOutputStream

java.lang.Object

java.io.OutputStream

org.apache.commons.compress.compressors.CompressorOutputStream

org.apache.commons.compress.compressors.zstandard.ZstdCompressorOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class ZstdCompressorOutputStream
extends CompressorOutputStream

CompressorOutputStream implementation to create Zstandard encoded stream. Library relies on Zstandard JNI

Since:

1.16

Constructor Summary

Constructors

Constructor	Description
ZstdCompressorOutputStream(OutputStream outStream)	Wraps the given stream into a zstd-jni ZstdOutputStream using the default values for level, closeFrameOnFlush and useChecksum.
ZstdCompressorOutputStream(OutputStream outStream, int level)	Wraps the given stream into a zstd-jni ZstdOutputStream using the default values for closeFrameOnFlush and useChecksum.
ZstdCompressorOutputStream(OutputStream outStream, int level, boolean closeFrameOnFlush)	Wraps the given stream into a zstd-jni ZstdOutputStream using the default value for useChecksum.
ZstdCompressorOutputStream(OutputStream outStream, int level, boolean closeFrameOnFlush, boolean useChecksum)	Wraps the given stream into a zstd-jni ZstdOutputStream.

Method Summary

Modifier and Type	Method	Description
void	close()
void	flush()
String	toString()
void	write(byte[] buf, int off, int len)
void	write(int b)

Methods inherited from class java.io.OutputStream

write

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

ZstdCompressorOutputStream

public ZstdCompressorOutputStream(OutputStream outStream)
                           throws IOException

Wraps the given stream into a zstd-jni ZstdOutputStream using the default values for level, closeFrameOnFlush and useChecksum.

Parameters:

outStream - the stream to write to

Throws:

IOException - if zstd-jni does

ZstdCompressorOutputStream

public ZstdCompressorOutputStream(OutputStream outStream,
 int level)
                           throws IOException

Wraps the given stream into a zstd-jni ZstdOutputStream using the default values for closeFrameOnFlush and useChecksum.

Parameters:

outStream - the stream to write to

level - value for zstd-jni's level argument

Throws:

IOException - if zstd-jni does

Since:

1.18

ZstdCompressorOutputStream

public ZstdCompressorOutputStream(OutputStream outStream,
 int level,
 boolean closeFrameOnFlush)
                           throws IOException

Wraps the given stream into a zstd-jni ZstdOutputStream using the default value for useChecksum.

Parameters:

outStream - the stream to write to

level - value for zstd-jni's level argument

closeFrameOnFlush - value for zstd-jni's closeFrameOnFlush argument

Throws:

IOException - if zstd-jni does

Since:

1.18

ZstdCompressorOutputStream

public ZstdCompressorOutputStream(OutputStream outStream,
 int level,
 boolean closeFrameOnFlush,
 boolean useChecksum)
                           throws IOException

Wraps the given stream into a zstd-jni ZstdOutputStream.

Parameters:

outStream - the stream to write to

level - value for zstd-jni's level argument

closeFrameOnFlush - value for zstd-jni's closeFrameOnFlush argument

useChecksum - value for zstd-jni's useChecksum argument

Throws:

IOException - if zstd-jni does

Since:

1.18

Method Details

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class OutputStream

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface Flushable

Overrides:

flush in class OutputStream

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object

write

public void write(byte[] buf,
 int off,
 int len)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException

write

public void write(int b)
           throws IOException

Specified by:

write in class OutputStream

Throws:

IOException