public class GZIPInputStream extends InflaterInputStream
InflaterInputStream
| Modifier and Type | Field and Description |
|---|---|
protected CRC32 |
crc
CRC-32 for uncompressed data.
|
protected boolean |
eos
Indicates end of input stream.
|
static int |
GZIP_MAGIC
GZIP header magic number.
|
buf, inf, lenin| Constructor and Description |
|---|
GZIPInputStream(InputStream
Creates a new input stream with a default buffer size.
|
GZIPInputStream(InputStream
Creates a new input stream with the specified buffer size.
|
| Modifier and Type | Method and Description |
|---|---|
void |
close()
Closes this input stream and releases any system resources associated with the stream.
|
int |
read(byte[] buf, int off, int len)
Reads uncompressed data into an array of bytes.
|
available, fill, mark, markSupported, read, reset, skipreadprotected CRC32crc
protected boolean eos
public static final int GZIP_MAGIC
public GZIPInputStream(InputStreamin, int size) throws IOException
in - the input stream
size - the input buffer size
ZipException - if a GZIP format error has occurred or the compression method used is unsupported
IOException - if an I/O error has occurred
IllegalArgumentException - if
size <= 0
public GZIPInputStream(InputStreamin) throws IOException
in - the input stream
ZipException - if a GZIP format error has occurred or the compression method used is unsupported
IOException - if an I/O error has occurred
public int read(byte[] buf,
int off,
int len)
throws IOException
len is not zero, the method will block until some input can be decompressed; otherwise, no bytes are read and
0 is returned.
read in class
InflaterInputStream
buf - the buffer into which the data is read
off - the start offset in the destination array
b
len - the maximum number of bytes read
NullPointerException - If
buf is
null.
IndexOutOfBoundsException - If
off is negative,
len is negative, or
len is greater than
buf.length - off
ZipException - if the compressed input data is corrupt.
IOException - if an I/O error has occurred.
FilterInputStream.in
public void close()
throws IOException
close in interface
Closeable
close in interface
AutoCloseable
close in class
InflaterInputStream
IOException - if an I/O error has occurred
FilterInputStream.in