Class DeflateCompressorInputStream
- java.lang.Object
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- java.io.InputStream
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- org.apache.commons.compress.compressors.CompressorInputStream
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- org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream
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- All Implemented Interfaces:
Closeable
,AutoCloseable
,InputStreamStatistics
public class DeflateCompressorInputStream extends CompressorInputStream implements InputStreamStatistics
Deflate decompressor.- Since:
- 1.9
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Constructor Summary
Constructors Constructor Description DeflateCompressorInputStream(InputStream inputStream)
Creates a new input stream that decompresses Deflate-compressed data from the specified input stream.DeflateCompressorInputStream(InputStream inputStream, DeflateParameters parameters)
Creates a new input stream that decompresses Deflate-compressed data from the specified input stream.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description int
available()
void
close()
long
getCompressedCount()
static boolean
matches(byte[] signature, int length)
Checks if the signature matches what is expected for a zlib / deflated file with the zlib header.int
read()
int
read(byte[] buf, int off, int len)
long
skip(long n)
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Methods inherited from class org.apache.commons.compress.compressors.CompressorInputStream
getBytesRead, getCount, getUncompressedCount
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Methods inherited from class java.io.InputStream
mark, markSupported, nullInputStream, read, readAllBytes, readNBytes, readNBytes, reset, transferTo
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Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.apache.commons.compress.utils.InputStreamStatistics
getUncompressedCount
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Constructor Detail
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DeflateCompressorInputStream
public DeflateCompressorInputStream(InputStream inputStream)
Creates a new input stream that decompresses Deflate-compressed data from the specified input stream.- Parameters:
inputStream
- where to read the compressed data
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DeflateCompressorInputStream
public DeflateCompressorInputStream(InputStream inputStream, DeflateParameters parameters)
Creates a new input stream that decompresses Deflate-compressed data from the specified input stream.- Parameters:
inputStream
- where to read the compressed dataparameters
- parameters
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Method Detail
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read
public int read() throws IOException
- Specified by:
read
in classInputStream
- Throws:
IOException
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read
public int read(byte[] buf, int off, int len) throws IOException
- Overrides:
read
in classInputStream
- Throws:
IOException
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skip
public long skip(long n) throws IOException
- Overrides:
skip
in classInputStream
- Throws:
IOException
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available
public int available() throws IOException
- Overrides:
available
in classInputStream
- Throws:
IOException
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close
public void close() throws IOException
- Specified by:
close
in interfaceAutoCloseable
- Specified by:
close
in interfaceCloseable
- Overrides:
close
in classInputStream
- Throws:
IOException
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getCompressedCount
public long getCompressedCount()
- Specified by:
getCompressedCount
in interfaceInputStreamStatistics
- Returns:
- the amount of raw or compressed bytes read by the stream
- Since:
- 1.17
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matches
public static boolean matches(byte[] signature, int length)
Checks if the signature matches what is expected for a zlib / deflated file with the zlib header.- Parameters:
signature
- the bytes to checklength
- the number of bytes to check- Returns:
- true, if this stream is zlib / deflate compressed with a header stream, false otherwise
- Since:
- 1.10
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