Closeable
, AutoCloseable
public class DeflaterInputStream extends FilterInputStream
Modifier and Type | Field | Description |
---|---|---|
protected final byte[] |
buf |
Input buffer for reading compressed data. |
protected final Deflater |
def |
Compressor for this stream. |
in
Constructor | Description |
---|---|
DeflaterInputStream |
Creates a new input stream with a default compressor and buffer size. |
DeflaterInputStream |
Creates a new input stream with the specified compressor and a default buffer size. |
DeflaterInputStream |
Creates a new input stream with the specified compressor and buffer size. |
Modifier and Type | Method | Description |
---|---|---|
int |
available() |
Returns 0 after EOF has been reached, otherwise always return 1. |
void |
close() |
Closes this input stream and its underlying input stream, discarding any pending uncompressed data. |
void |
mark |
This operation is not supported. |
boolean |
markSupported() |
|
int |
read() |
Reads a single byte of compressed data from the input stream. |
int |
read |
Reads compressed data into a byte array. |
void |
reset() |
This operation is not supported. |
long |
skip |
Skips over and discards data from the input stream. |
read
nullInputStream, readAllBytes, readNBytes, readNBytes, skipNBytes, transferTo
protected final Deflater def
protected final byte[] buf
public DeflaterInputStream(InputStream in)
in
- input stream to read the uncompressed data toNullPointerException
- if in
is nullpublic DeflaterInputStream(InputStream in, Deflater defl)
in
- input stream to read the uncompressed data todefl
- compressor ("deflater") for this streamNullPointerException
- if in
or defl
is nullpublic DeflaterInputStream(InputStream in, Deflater defl, int bufLen)
in
- input stream to read the uncompressed data todefl
- compressor ("deflater") for this streambufLen
- compression buffer sizeIllegalArgumentException
- if bufLen <= 0
NullPointerException
- if in
or defl
is nullpublic void close() throws IOException
close
in interface AutoCloseable
close
in interface Closeable
close
in class FilterInputStream
IOException
- if an I/O error occurspublic int read() throws IOException
read
in class FilterInputStream
IOException
- if an I/O error occurs or if this stream is already closedpublic int read(byte[] b, int off, int len) throws IOException
read
in class FilterInputStream
b
- buffer into which the data is readoff
- starting offset of the data within b
len
- maximum number of compressed bytes to read into b
IndexOutOfBoundsException
- if len > b.length - off
IOException
- if an I/O error occurs or if this input stream is already closedpublic long skip(long n) throws IOException
n
is given as a long
, the maximum number of bytes which can be skipped is Integer.MAX_VALUE
.skip
in class FilterInputStream
n
- number of bytes to be skippedIOException
- if an I/O error occurs or if this stream is already closedpublic int available() throws IOException
Programs should not count on this method to return the actual number of bytes that could be read without blocking
available
in class FilterInputStream
IOException
- if an I/O error occurs or if this stream is already closedpublic boolean markSupported()
markSupported
in class FilterInputStream
public void mark(int limit)
mark
in class FilterInputStream
limit
- maximum bytes that can be read before invalidating the position markerpublic void reset() throws IOException
reset
in class FilterInputStream
IOException
- always thrown
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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/util/zip/DeflaterInputStream.html