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, len
in
Constructor and Description |
---|
GZIPInputStream(InputStream in)
Creates a new input stream with a default buffer size.
|
GZIPInputStream(InputStream in,
int size)
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, skip
read
protected CRC32 crc
protected boolean eos
public static final int GZIP_MAGIC
public GZIPInputStream(InputStream in, int size) throws IOException
in
- the input streamsize
- the input buffer sizeZipException
- if a GZIP format error has occurred or the
compression method used is unsupportedIOException
- if an I/O error has occurredIllegalArgumentException
- if size <= 0
public GZIPInputStream(InputStream in) throws IOException
in
- the input streamZipException
- if a GZIP format error has occurred or the
compression method used is unsupportedIOException
- if an I/O error has occurredpublic 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 readoff
- the start offset in the destination array b
len
- the maximum number of bytes readNullPointerException
- 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 occurredFilterInputStream.in
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