io.neba.core.util

Class ReverseFileByLineReader

java.lang.Object

io.neba.core.util.ReverseFileByLineReader

public class ReverseFileByLineReader
extends Object

Reads text files in reverse using an estimate of bytes per line.

Author:

Taschek Joerg, Olaf Otto

Constructor Summary

Constructors

Constructor and Description
ReverseFileByLineReader(File file, int approxBytesPerLine)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
String	readPreviousLine()

Methods inherited from class java.lang.Object

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

Constructor Detail

ReverseFileByLineReader

public ReverseFileByLineReader(File file,
                       int approxBytesPerLine)
                        throws IOException

Parameters:

file - must not be null.

approxBytesPerLine - an estimate of the bytes per line.

Throws:

IOException - if the file cannot be read.

Method Detail

readPreviousLine

public String readPreviousLine()
                        throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Throws:

IOException