Class BlockLZ4CompressorOutputStream
java.lang.Object
java.io.OutputStream
java.io.FilterOutputStream
org.apache.commons.compress.compressors.CompressorOutputStream<OutputStream>
org.apache.commons.compress.compressors.lz4.BlockLZ4CompressorOutputStream
- All Implemented Interfaces:
Closeable,Flushable,AutoCloseable
CompressorOutputStream for the LZ4 block format.
- Since:
- 1.14
- See Also:
- This class is not thread-safe
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Field Summary
Fields inherited from class java.io.FilterOutputStream
out -
Constructor Summary
ConstructorsConstructorDescriptionCreates a new LZ4 output stream.BlockLZ4CompressorOutputStream(OutputStream out, Parameters params) Creates a new LZ4 output stream. -
Method Summary
Modifier and TypeMethodDescriptionvoidclose()static Parameters.BuilderReturns a builder correctly configured for the LZ4 algorithm.voidfinish()Compresses all remaining data and writes it to the stream, doesn't close the underlying stream.voidprefill(byte[] data, int off, int len) Adds some initial data to fill the window with.voidwrite(byte[] data, int off, int len) voidwrite(int b) Methods inherited from class org.apache.commons.compress.compressors.CompressorOutputStream
outMethods inherited from class java.io.FilterOutputStream
flush, write
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Constructor Details
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BlockLZ4CompressorOutputStream
Creates a new LZ4 output stream.- Parameters:
out- An OutputStream to read compressed data from
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BlockLZ4CompressorOutputStream
Creates a new LZ4 output stream.- Parameters:
out- An OutputStream to read compressed data fromparams- The parameters to use for LZ77 compression.
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Method Details
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createParameterBuilder
Returns a builder correctly configured for the LZ4 algorithm.- Returns:
- a builder correctly configured for the LZ4 algorithm
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close
- Specified by:
closein interfaceAutoCloseable- Specified by:
closein interfaceCloseable- Overrides:
closein classFilterOutputStream- Throws:
IOException
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finish
Compresses all remaining data and writes it to the stream, doesn't close the underlying stream.- Throws:
IOException- if an error occurs
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prefill
Adds some initial data to fill the window with.- Parameters:
data- the data to fill the window with.off- offset of real data into the arraylen- amount of data- Throws:
IllegalStateException- if the stream has already started to write data- See Also:
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write
- Overrides:
writein classFilterOutputStream- Throws:
IOException
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write
- Overrides:
writein classFilterOutputStream- Throws:
IOException
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