org.jwat.common

Class RandomAccessFileInputStream

java.lang.Object

java.io.InputStream

org.jwat.common.RandomAccessFileInputStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class RandomAccessFileInputStream
extends java.io.InputStream

This class wraps a RandomAccessFile into a usable InputStream which supports random re-position. Re-positioning is done by using seek() on the RandomAccessFile object. (@see RandomAccessFile#seek())

Author:

nicl

Field Summary

Fields

Modifier and Type	Field and Description
protected long	mark_position Current mark position in file.
protected java.io.RandomAccessFile	raf Encapsulated RandomAccessFile used for stream data.

Constructor Summary

Constructors

Constructor and Description
RandomAccessFileInputStream(java.io.RandomAccessFile raf) Create a new random access InputStream with repositioning capabilities.

Method Summary

Modifier and Type	Method and Description
int	available()
void	close() Closing this stream has no effect.
void	mark(int readlimit)
boolean	markSupported()
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)
void	reset()
long	skip(long n)

Methods inherited from class java.lang.Object

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

Field Detail

raf

protected java.io.RandomAccessFile raf

Encapsulated RandomAccessFile used for stream data.

mark_position

protected long mark_position

Current mark position in file.

Constructor Detail

RandomAccessFileInputStream

public RandomAccessFileInputStream(java.io.RandomAccessFile raf)

Create a new random access InputStream with repositioning capabilities.

Parameters:

raf - RandomAccessFile used for stream data

Method Detail

close

public void close()
           throws java.io.IOException

Closing this stream has no effect.

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Overrides:

close in class java.io.InputStream

Throws:

java.io.IOException - if an I/O error occurs while closing stream

markSupported

public boolean markSupported()

Overrides:

markSupported in class java.io.InputStream

mark

public void mark(int readlimit)

Overrides:

mark in class java.io.InputStream

reset

public void reset()
           throws java.io.IOException

Overrides:

reset in class java.io.InputStream

Throws:

java.io.IOException

available

public int available()
              throws java.io.IOException

Overrides:

available in class java.io.InputStream

Throws:

java.io.IOException

skip

public long skip(long n)
          throws java.io.IOException

Overrides:

skip in class java.io.InputStream

Throws:

java.io.IOException

read

public int read()
         throws java.io.IOException

Specified by:

read in class java.io.InputStream

Throws:

java.io.IOException

read

public int read(byte[] b)
         throws java.io.IOException

Overrides:

read in class java.io.InputStream

Throws:

java.io.IOException

read

public int read(byte[] b,
                int off,
                int len)
         throws java.io.IOException

Overrides:

read in class java.io.InputStream

Throws:

java.io.IOException