Class SafeSeekInputStream

java.lang.Object

java.io.InputStream

org.archive.io.SeekInputStream

org.archive.io.SafeSeekInputStream

All Implemented Interfaces:

RepositionableStream, Closeable, AutoCloseable

public class SafeSeekInputStream
extends SeekInputStream

Enables multiple concurrent streams based on the same underlying stream.

Author:

pjack

Constructor Summary

Constructors

Constructor	Description
SafeSeekInputStream(SeekInputStream input)	Constructor.

Method Summary

Modifier and Type	Method	Description
long	position()	Returns the current stream position.
void	position(long p)	Sets the current stream position.
int	read()
int	read(byte[] buf)
int	read(byte[] buf, int ofs, int len)
long	skip(long c)

Methods inherited from class org.archive.io.SeekInputStream

mark, markSupported, reset

Methods inherited from class java.io.InputStream

available, close

Methods inherited from class java.lang.Object

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

Constructor Details

SafeSeekInputStream

public SafeSeekInputStream(SeekInputStream input)
                    throws IOException

Constructor. The given stream will be positioned to 0 so that an accurate position can be tracked.

Parameters:

input - the underlying input stream

Throws:

IOException - if an IO error occurs

Method Details

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

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

Overrides:

read in class InputStream

Throws:

IOException

read

public int read(byte[] buf)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

skip

public long skip(long c)
          throws IOException

Overrides:

skip in class InputStream

Throws:

IOException

position

public void position(long p)
              throws IOException

Description copied from interface: RepositionableStream

Sets the current stream position.

Parameters:

p - the new stream position.

Throws:

IOException

position

public long position()
              throws IOException

Description copied from interface: RepositionableStream

Returns the current stream position.

Returns:

the current stream position.

Throws:

IOException