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JavaTM 2 Platform Std. Ed. v1.4.2 |
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java.lang.Objectjava.io.InputStream
java.io.FilterInputStream
java.util.zip.InflaterInputStream
java.util.zip.GZIPInputStream
This class implements a stream filter for reading compressed data in the GZIP format.
InflaterInputStream| Field Summary | |
protected CRC32 |
crc
CRC-32 for uncompressed data. |
protected boolean |
eos
Indicates end of input stream. |
static int |
GZIP_MAGIC
GZIP header magic number. |
| Fields inherited from class java.util.zip.InflaterInputStream |
buf, inf, len |
| Fields inherited from class java.io.FilterInputStream |
in |
| Constructor Summary | |
GZIPInputStream(InputStream in)
Creates a new input stream with a default buffer size. |
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GZIPInputStream(InputStream in,
int size)
Creates a new input stream with the specified buffer size. |
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| Method Summary | |
void |
close()
Closes the input stream. |
int |
read(byte[] buf,
int off,
int len)
Reads uncompressed data into an array of bytes. |
| Methods inherited from class java.util.zip.InflaterInputStream |
available, fill, read, skip |
| Methods inherited from class java.io.FilterInputStream |
mark, markSupported, read, reset |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
protected CRC32 crc
protected boolean eos
public static final int GZIP_MAGIC
| Constructor Detail |
public GZIPInputStream(InputStream in,
int size)
throws IOException
in - the input streamsize - the input buffer size
IOException - if an I/O error has occurred
IllegalArgumentException - if size is <= 0
public GZIPInputStream(InputStream in)
throws IOException
in - the input stream
IOException - if an I/O error has occurred| Method Detail |
public int read(byte[] buf,
int off,
int len)
throws IOException
read in class InflaterInputStreambuf - the buffer into which the data is readoff - the start offset of the datalen - the maximum number of bytes read
IOException - if an I/O error has occurred or the compressed
input data is corrupt
public void close()
throws IOException
close in class InflaterInputStreamIOException - if an I/O error has occurred
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JavaTM 2 Platform Std. Ed. v1.4.2 |
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Copyright 2003 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.