uk.ac.starlink.util

Class UncompressInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

uk.ac.starlink.util.UncompressInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class UncompressInputStream
extends FilterInputStream

This class decompresses an input stream containing data compressed with the unix "compress" utility (LZC, a LZW variant). This code is based heavily on the unlzw.c code in gzip-1.2.4 (written by Peter Jannesen) and the original compress code.

Version:

0.3-3 06/05/2001

Author:

Ronald Tschalär, Unidata Program Center

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor and Description
UncompressInputStream(InputStream is)

Method Summary

Modifier and Type	Method and Description
int	available()
static void	main(String[] args)
boolean	markSupported() This stream does not support mark/reset on the stream.
int	read()
int	read(byte[] buf, int off, int len)
long	skip(long num)

Methods inherited from class java.io.FilterInputStream

close, mark, read, reset

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UncompressInputStream

public UncompressInputStream(InputStream is)
                      throws IOException

Parameters:

is - the input stream to decompress

Throws:

IOException - if the header is malformed

Method Detail

read

public int read()
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException

read

public int read(byte[] buf,
                int off,
                int len)
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException

skip

public long skip(long num)
          throws IOException

Overrides:

skip in class FilterInputStream

Throws:

IOException

available

public int available()
              throws IOException

Overrides:

available in class FilterInputStream

Throws:

IOException

markSupported

public boolean markSupported()

This stream does not support mark/reset on the stream.

Overrides:

markSupported in class FilterInputStream

Returns:

false

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception