public class GZIPOutputStream extends DeflaterOutputStream
Modifier and Type | Field and Description |
---|---|
protected CRC32 |
crc
CRC-32 of uncompressed data.
|
buf, def
out
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, write
write
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.FilterOutputStream.write(int)
public void finish() throws IOException
finish
in class DeflaterOutputStream
IOException
- 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.
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