Closeable
, Flushable
, AutoCloseable
public class GZIPOutputStream extends DeflaterOutputStream
Modifier and Type | Field | Description |
---|---|---|
protected CRC32 |
crc |
CRC-32 of uncompressed data. |
buf, def
out
Constructor | Description |
---|---|
GZIPOutputStream |
Creates a new output stream with a default buffer size. |
GZIPOutputStream |
Creates a new output stream with a default buffer size and the specified flush mode. |
GZIPOutputStream |
Creates a new output stream with the specified buffer size. |
GZIPOutputStream |
Creates a new output stream with the specified buffer size and flush mode. |
close, deflate, flush, write
write
nullOutputStream
protected CRC32 crc
public GZIPOutputStream(OutputStream out, int size) throws IOException
The new output stream instance is created as if by invoking the 3-argument constructor GZIPOutputStream(out, size, false).
out
- the output streamsize
- the output buffer sizeIOException
- If an I/O error has occurred.IllegalArgumentException
- if size <= 0
public GZIPOutputStream(OutputStream out, int size, boolean syncFlush) throws IOException
out
- the output streamsize
- the output buffer sizesyncFlush
- if true
invocation of the inherited flush()
method of this instance flushes the compressor with flush mode Deflater.SYNC_FLUSH
before flushing the output stream, otherwise only flushes the output streamIOException
- If an I/O error has occurred.IllegalArgumentException
- if size <= 0
public GZIPOutputStream(OutputStream out) throws IOException
The new output stream instance is created as if by invoking the 2-argument constructor GZIPOutputStream(out, false).
out
- the output streamIOException
- If an I/O error has occurred.public GZIPOutputStream(OutputStream out, boolean syncFlush) throws IOException
out
- the output streamsyncFlush
- if true
invocation of the inherited flush()
method of this instance flushes the compressor with flush mode Deflater.SYNC_FLUSH
before flushing the output stream, otherwise only flushes the output streamIOException
- If an I/O error has occurred.public void write(byte[] buf, int off, int len) throws IOException
write
in class DeflaterOutputStream
buf
- the data to be writtenoff
- the start offset of the datalen
- the length of the dataIOException
- If an I/O error has occurred.public void finish() throws IOException
finish
in class DeflaterOutputStream
IOException
- if an I/O error has occurred
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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).
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https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/util/zip/GZIPOutputStream.html