public class GZIPOutputStream extends DeflaterOutputStream
| Modifier and Type | Field and Description |
|---|---|
protected CRC32 |
crc
CRC-32 of uncompressed data.
|
buf, defout| Constructor and Description |
|---|
GZIPOutputStream(OutputStream out)
Creates a new output stream with a default buffer size.
|
GZIPOutputStream(OutputStream out,
boolean syncFlush)
Creates a new output stream with a default buffer size and
the specified flush mode.
|
GZIPOutputStream(OutputStream out,
int size)
Creates a new output stream with the specified buffer size.
|
GZIPOutputStream(OutputStream out,
int size,
boolean syncFlush)
Creates a new output stream with the specified buffer size and
flush mode.
|
| Modifier and Type | Method and Description |
|---|---|
void |
finish()
Finishes writing compressed data to the output stream without closing
the underlying stream.
|
void |
write(byte[] buf,
int off,
int len)
Writes array of bytes to the compressed output stream.
|
close, deflate, flush, writewriteprotected 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 <= 0public 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 <= 0public 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 DeflaterOutputStreambuf - the data to be writtenoff - the start offset of the datalen - the length of the dataIOException - If an I/O error has occurred.FilterOutputStream.write(int)public void finish()
throws IOException
finish in class DeflaterOutputStreamIOException - if an I/O error has occurred Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright © 1993, 2018, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.