Package net.jpountz.lz4
Class LZ4BlockInputStream
- java.lang.Object
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- java.io.InputStream
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- java.io.FilterInputStream
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- net.jpountz.lz4.LZ4BlockInputStream
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- All Implemented Interfaces:
java.io.Closeable
,java.lang.AutoCloseable
public class LZ4BlockInputStream extends java.io.FilterInputStream
InputStream
implementation to decode data written withLZ4BlockOutputStream
. This class is not thread-safe and does not supportmark(int)
/reset()
.- See Also:
LZ4BlockOutputStream
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Constructor Summary
Constructors Constructor Description LZ4BlockInputStream(java.io.InputStream in)
Creates a new LZ4 input stream to read from the specified underlying InputStream, usingXXHash32
for checksuming.LZ4BlockInputStream(java.io.InputStream in, boolean stopOnEmptyBlock)
Creates a new LZ4 input stream to read from the specified underlying InputStream, usingXXHash32
for checksuming.LZ4BlockInputStream(java.io.InputStream in, LZ4FastDecompressor decompressor)
Creates a new LZ4 input stream to read from the specified underlying InputStream, usingXXHash32
for checksuming.LZ4BlockInputStream(java.io.InputStream in, LZ4FastDecompressor decompressor, java.util.zip.Checksum checksum)
Creates a new LZ4 input stream to read from the specified underlying InputStream.LZ4BlockInputStream(java.io.InputStream in, LZ4FastDecompressor decompressor, java.util.zip.Checksum checksum, boolean stopOnEmptyBlock)
Creates a new LZ4 input stream to read from the specified underlying InputStream.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
available()
void
mark(int readlimit)
boolean
markSupported()
int
read()
int
read(byte[] b)
int
read(byte[] b, int off, int len)
void
reset()
long
skip(long n)
java.lang.String
toString()
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Constructor Detail
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LZ4BlockInputStream
public LZ4BlockInputStream(java.io.InputStream in, LZ4FastDecompressor decompressor, java.util.zip.Checksum checksum, boolean stopOnEmptyBlock)
Creates a new LZ4 input stream to read from the specified underlying InputStream.- Parameters:
in
- theInputStream
to polldecompressor
- thedecompressor
instance to usechecksum
- theChecksum
instance to use, must be equivalent to the instance which has been used to write the streamstopOnEmptyBlock
- whether read is stopped on an empty block
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LZ4BlockInputStream
public LZ4BlockInputStream(java.io.InputStream in, LZ4FastDecompressor decompressor, java.util.zip.Checksum checksum)
Creates a new LZ4 input stream to read from the specified underlying InputStream.- Parameters:
in
- theInputStream
to polldecompressor
- thedecompressor
instance to usechecksum
- theChecksum
instance to use, must be equivalent to the instance which has been used to write the stream- See Also:
LZ4BlockInputStream(InputStream, LZ4FastDecompressor, Checksum, boolean)
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LZ4BlockInputStream
public LZ4BlockInputStream(java.io.InputStream in, LZ4FastDecompressor decompressor)
Creates a new LZ4 input stream to read from the specified underlying InputStream, usingXXHash32
for checksuming.- Parameters:
in
- theInputStream
to polldecompressor
- thedecompressor
instance to use- See Also:
LZ4BlockInputStream(InputStream, LZ4FastDecompressor, Checksum, boolean)
,StreamingXXHash32.asChecksum()
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LZ4BlockInputStream
public LZ4BlockInputStream(java.io.InputStream in, boolean stopOnEmptyBlock)
Creates a new LZ4 input stream to read from the specified underlying InputStream, usingXXHash32
for checksuming.- Parameters:
in
- theInputStream
to pollstopOnEmptyBlock
- whether read is stopped on an empty block- See Also:
LZ4BlockInputStream(InputStream, LZ4FastDecompressor, Checksum, boolean)
,LZ4Factory.fastestInstance()
,StreamingXXHash32.asChecksum()
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LZ4BlockInputStream
public LZ4BlockInputStream(java.io.InputStream in)
Creates a new LZ4 input stream to read from the specified underlying InputStream, usingXXHash32
for checksuming.- Parameters:
in
- theInputStream
to poll- See Also:
LZ4BlockInputStream(InputStream, LZ4FastDecompressor)
,LZ4Factory.fastestInstance()
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Method Detail
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available
public int available() throws java.io.IOException
- Overrides:
available
in classjava.io.FilterInputStream
- Throws:
java.io.IOException
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read
public int read() throws java.io.IOException
- Overrides:
read
in classjava.io.FilterInputStream
- Throws:
java.io.IOException
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read
public int read(byte[] b, int off, int len) throws java.io.IOException
- Overrides:
read
in classjava.io.FilterInputStream
- Throws:
java.io.IOException
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read
public int read(byte[] b) throws java.io.IOException
- Overrides:
read
in classjava.io.FilterInputStream
- Throws:
java.io.IOException
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skip
public long skip(long n) throws java.io.IOException
- Overrides:
skip
in classjava.io.FilterInputStream
- Throws:
java.io.IOException
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markSupported
public boolean markSupported()
- Overrides:
markSupported
in classjava.io.FilterInputStream
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mark
public void mark(int readlimit)
- Overrides:
mark
in classjava.io.FilterInputStream
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reset
public void reset() throws java.io.IOException
- Overrides:
reset
in classjava.io.FilterInputStream
- Throws:
java.io.IOException
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
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