org.nuiton.util
Class ReverseFileReader

java.lang.Object
  org.nuiton.util.ReverseFileReader

All Implemented Interfaces:

java.io.Closeable

public class ReverseFileReader
extends java.lang.Object
implements java.io.Closeable

Reverse file reader.

Version:

$Revision: 1830 $ TODO add an interface on it. Last update : $Date: 2010-04-15 16:29:20 +0200 (jeu., 15 avril 2010) $ By :

Author:

chatellier

Field Summary

protected java.lang.String	filename
protected long	position
protected java.io.RandomAccessFile	randomfile

Constructor Summary

ReverseFileReader(java.io.File file)

ReverseFileReader(java.lang.String filename)

Method Summary

void	close()
protected void	finalize()
java.lang.String	readLine() Read one line from the current position towards the beginning.

Methods inherited from class java.lang.Object

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

Field Detail

filename

protected java.lang.String filename

randomfile

protected java.io.RandomAccessFile randomfile

position

protected long position

Constructor Detail

ReverseFileReader

public ReverseFileReader(java.io.File file)
                  throws java.io.IOException

Throws:

java.io.IOException

ReverseFileReader

public ReverseFileReader(java.lang.String filename)
                  throws java.io.IOException

Throws:

java.io.IOException

Method Detail

readLine

public java.lang.String readLine()
                          throws java.io.IOException

Read one line from the current position towards the beginning.

Returns:

the next line of text from this file, or null if end of file is encountered before even one byte is read.

Throws:

java.io.IOException - if any pb while reading line

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Throws:

java.io.IOException

finalize

protected void finalize()
                 throws java.lang.Throwable

Overrides:

finalize in class java.lang.Object

Throws:

java.lang.Throwable