public class GZIPInputStream extends InflaterInputStream
Modifier and Type | Field and Description |
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protected CRC32 |
crc
The CRC-32 checksum value for uncompressed data.
|
protected boolean |
eos
Indicates whether or not the end of the stream has been reached.
|
static int |
GZIP_MAGIC
The magic number found at the start of a GZIP stream.
|
buf, inf, len
in
Constructor and Description |
---|
GZIPInputStream(InputStream in)
Creates a GZIPInputStream with the default buffer size.
|
GZIPInputStream(InputStream in,
int size)
Creates a GZIPInputStream with the specified buffer size.
|
Modifier and Type | Method and Description |
---|---|
void |
close()
Closes the input stream.
|
int |
read(byte[] buf,
int offset,
int len)
Reads in GZIP-compressed data and stores it in uncompressed form
into an array of bytes.
|
available, fill, mark, markSupported, read, reset, skip
read
public static final int GZIP_MAGIC
protected boolean eos
public GZIPInputStream(InputStream in) throws IOException
in
- The stream to read compressed data from
(in GZIP format).IOException
- if an error occurs during an I/O operation.public GZIPInputStream(InputStream in, int size) throws IOException
in
- The stream to read compressed data from
(in GZIP format).size
- The size of the buffer to use.IOException
- if an error occurs during an I/O operation.IllegalArgumentException
- if size
is less than or equal to 0.public void close() throws IOException
close
in interface Closeable
close
in interface AutoCloseable
close
in class InflaterInputStream
IOException
- if an error occurs during an I/O operation.public int read(byte[] buf, int offset, int len) throws IOException
read
in class InflaterInputStream
buf
- the buffer into which the uncompressed data will
be stored.offset
- the offset indicating where in buf
the uncompressed data should be placed.len
- the number of uncompressed bytes to be read.in.read(byte[], int, int)
IOException
- If an error occurs