com.saperion.ngc.util

Class BlockStream

java.lang.Object

java.io.InputStream

com.saperion.ngc.util.BlockStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class BlockStream
extends InputStream

A stream that keeps a certain part of it's data in a byte-array to provide fast access with the possibility to go forward and backward on this block.

Author:

rbo

Constructor Summary

Constructors

Constructor and Description
BlockStream(InputStream in, int theBlockSize) Constructor.

Method Summary

Modifier and Type	Method and Description
int	available()
void	close()
int	read()
void	reset()
long	skip(long n)

Methods inherited from class java.io.InputStream

mark, markSupported, read, read

Methods inherited from class java.lang.Object

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

Constructor Detail

BlockStream

public BlockStream(InputStream in,
                   int theBlockSize)
            throws IOException

Constructor.

Parameters:

in - Input stream

theBlockSize - size of the block to hold in memory

Throws:

IOException - when the block could not be filled

Method Detail

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

See Also:

InputStream.read()

skip

public long skip(long n)
          throws IOException

Overrides:

skip in class InputStream

Throws:

IOException

See Also:

InputStream.skip(long)

available

public int available()
              throws IOException

Overrides:

available in class InputStream

Throws:

IOException

See Also:

InputStream.available()

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class InputStream

Throws:

IOException

See Also:

InputStream.close()

reset

public void reset()
           throws IOException

Overrides:

reset in class InputStream

Throws:

IOException

See Also:

InputStream.reset()