Package org.apache.commons.compress.compressors.snappy

Class FramedSnappyCompressorOutputStream

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

org.apache.commons.compress.CompressFilterOutputStream<OutputStream>

org.apache.commons.compress.compressors.CompressorOutputStream<OutputStream>

org.apache.commons.compress.compressors.snappy.FramedSnappyCompressorOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class FramedSnappyCompressorOutputStream
extends CompressorOutputStream<OutputStream>

CompressorOutputStream for the framing Snappy format.

Based on the "spec" in the version "Last revised: 2013-10-25"

Since:

1.14

See Also:

• Snappy framing format description

Constructor Summary

Constructors

Constructor	Description
FramedSnappyCompressorOutputStream(OutputStream out)	Constructs a new output stream that compresses snappy-framed-compressed data to the specified output stream.
FramedSnappyCompressorOutputStream(OutputStream out, Parameters params)	Constructs a new output stream that compresses snappy-framed-compressed data to the specified output stream.

Method Summary

Modifier and Type	Method	Description
void	close()
void	finish()	Compresses all remaining data and writes it to the stream, doesn't close the underlying stream.
void	write(byte[] data, int off, int len)
void	write(int b)

Methods inherited from class org.apache.commons.compress.CompressFilterOutputStream

isClosed, write, write, writeUsAscii, writeUsAsciiRaw, writeUtf8

Methods inherited from class java.io.FilterOutputStream

flush, write

Methods inherited from class java.io.OutputStream

nullOutputStream

Methods inherited from class java.lang.Object

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

Constructor Details

FramedSnappyCompressorOutputStream

public FramedSnappyCompressorOutputStream(OutputStream out)
                                   throws IOException

Constructs a new output stream that compresses snappy-framed-compressed data to the specified output stream.

Parameters:

out - the OutputStream to which to write the compressed data

Throws:

IOException - if writing the signature fails

FramedSnappyCompressorOutputStream

public FramedSnappyCompressorOutputStream(OutputStream out,
 Parameters params)
                                   throws IOException

Constructs a new output stream that compresses snappy-framed-compressed data to the specified output stream.

Parameters:

out - the OutputStream to which to write the compressed data

params - parameters used to fine-tune compression, in particular to balance compression ratio vs compression speed.

Throws:

IOException - if writing the signature fails

Method Details

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class CompressFilterOutputStream<OutputStream>

Throws:

IOException

finish

public void finish()
            throws IOException

Compresses all remaining data and writes it to the stream, doesn't close the underlying stream.

Overrides:

finish in class CompressFilterOutputStream<OutputStream>

Throws:

IOException - if an error occurs

write

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

Overrides:

write in class FilterOutputStream

Throws:

IOException

write

public void write(int b)
           throws IOException

Overrides:

write in class FilterOutputStream

Throws:

IOException