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JavaTM 2 Platform Standard Ed. 5.0 |
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java.lang.Objectjava.io.OutputStream
java.io.FilterOutputStream
java.util.zip.DeflaterOutputStream
java.util.zip.GZIPOutputStream
public class GZIPOutputStream
This class implements a stream filter for writing compressed data in the GZIP file format.
| Field Summary | |
|---|---|
protected CRC32 |
crc
CRC-32 of uncompressed data. |
| Fields inherited from class java.util.zip.DeflaterOutputStream |
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buf, def |
| Fields inherited from class java.io.FilterOutputStream |
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out |
| Constructor Summary | |
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GZIPOutputStream(OutputStream out)
Creates a new output stream with a default buffer size. |
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GZIPOutputStream(OutputStream out,
int size)
Creates a new output stream with the specified buffer size. |
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| Method Summary | |
|---|---|
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. |
| Methods inherited from class java.util.zip.DeflaterOutputStream |
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close, deflate, write |
| Methods inherited from class java.io.FilterOutputStream |
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flush, write |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
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protected CRC32 crc
| Constructor Detail |
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public GZIPOutputStream(OutputStream out,
int size)
throws IOException
out - the output streamsize - the output buffer size
IOException - If an I/O error has occurred.
IllegalArgumentException - if size is <= 0
public GZIPOutputStream(OutputStream out)
throws IOException
out - the output stream
IOException - If an I/O error has occurred.| Method Detail |
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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 data
IOException - 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
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Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.