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:

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

Method Summary

Modifier and Type	Method and Description
void	close()
void	flush()
java.lang.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

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ZstdCompressorOutputStream

public ZstdCompressorOutputStream(java.io.OutputStream outStream,
                                  int level,
                                  boolean closeFrameOnFlush,
                                  boolean useChecksum)
                           throws java.io.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:

java.io.IOException - if zstd-jni does

Since:

1.18

ZstdCompressorOutputStream

public ZstdCompressorOutputStream(java.io.OutputStream outStream,
                                  int level,
                                  boolean closeFrameOnFlush)
                           throws java.io.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:

java.io.IOException - if zstd-jni does

Since:

1.18

ZstdCompressorOutputStream

public ZstdCompressorOutputStream(java.io.OutputStream outStream,
                                  int level)
                           throws java.io.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:

java.io.IOException - if zstd-jni does

Since:

1.18

ZstdCompressorOutputStream

public ZstdCompressorOutputStream(java.io.OutputStream outStream)
                           throws java.io.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:

java.io.IOException - if zstd-jni does

Method Detail

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Overrides:

close in class java.io.OutputStream

Throws:

java.io.IOException

write

public void write(int b)
           throws java.io.IOException

Specified by:

write in class java.io.OutputStream

Throws:

java.io.IOException

write

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

Overrides:

write in class java.io.OutputStream

Throws:

java.io.IOException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

flush

public void flush()
           throws java.io.IOException

Specified by:

flush in interface java.io.Flushable

Overrides:

flush in class java.io.OutputStream

Throws:

java.io.IOException