Class DeflateCompressorInputStream
java.lang.Object
java.io.InputStream
org.apache.commons.compress.compressors.CompressorInputStream
org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream
- All Implemented Interfaces:
Closeable
,AutoCloseable
,InputStreamStatistics
public class DeflateCompressorInputStream
extends CompressorInputStream
implements InputStreamStatistics
Deflate decompressor.
- Since:
- 1.9
-
Field Summary
FieldsModifier and TypeFieldDescriptionprivate final CountingInputStream
private final InputStream
private final Inflater
private static final int
private static final int
private static final int
private static final int
private static final int
-
Constructor Summary
ConstructorsConstructorDescriptionDeflateCompressorInputStream
(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. -
Method Summary
Methods inherited from class org.apache.commons.compress.compressors.CompressorInputStream
count, count, getBytesRead, getCount, getUncompressedCount, pushedBackBytes
Methods inherited from class java.io.InputStream
mark, markSupported, read, readAllBytes, readNBytes, reset, transferTo
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.apache.commons.compress.utils.InputStreamStatistics
getUncompressedCount
-
Field Details
-
MAGIC_1
private static final int MAGIC_1- See Also:
-
MAGIC_2a
private static final int MAGIC_2a- See Also:
-
MAGIC_2b
private static final int MAGIC_2b- See Also:
-
MAGIC_2c
private static final int MAGIC_2c- See Also:
-
MAGIC_2d
private static final int MAGIC_2d- See Also:
-
countingStream
-
in
-
inflater
-
-
Constructor Details
-
DeflateCompressorInputStream
Creates a new input stream that decompresses Deflate-compressed data from the specified input stream.- Parameters:
inputStream
- where to read the compressed data
-
DeflateCompressorInputStream
Creates a new input stream that decompresses Deflate-compressed data from the specified input stream.- Parameters:
inputStream
- where to read the compressed dataparameters
- parameters
-
-
Method Details
-
read
- Specified by:
read
in classInputStream
- Throws:
IOException
-
read
- Overrides:
read
in classInputStream
- Throws:
IOException
-
skip
- Overrides:
skip
in classInputStream
- Throws:
IOException
-
available
- Overrides:
available
in classInputStream
- Throws:
IOException
-
close
- Specified by:
close
in interfaceAutoCloseable
- Specified by:
close
in interfaceCloseable
- Overrides:
close
in classInputStream
- Throws:
IOException
-
getCompressedCount
public long getCompressedCount()- Specified by:
getCompressedCount
in interfaceInputStreamStatistics
- Returns:
- the amount of raw or compressed bytes read by the stream
- Since:
- 1.17
-
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
-