net.jot.logger
Class JOTFileTailer

java.lang.Object
  net.jot.logger.JOTFileTailer

public class JOTFileTailer
extends java.lang.Object

This is used to "tail" a file (read it from the bottom) this is done tro be fast and not use much memory. This is to be used together with the TailFilter interface The tailfilter interface let you tail only matching lines so this function let you do: A Tail, a Grep, or a combianison of both (Tail | Grep)

Author:

tcolar

Constructor Summary

JOTFileTailer()
Constructor for the FileTailer object

JOTFileTailer(int length)
Constructor for the FileTailer object

JOTFileTailer(int length, int separator)
Constructor for the FileTailer object

Method Summary

void	loadFile(java.lang.String file) This is to be called to set the file to tail.
java.util.Vector	tail(int max, JOTTailFilter filter) This does the job !

Methods inherited from class java.lang.Object

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

Constructor Detail

JOTFileTailer

public JOTFileTailer()

Constructor for the FileTailer object

JOTFileTailer

public JOTFileTailer(int length)

Constructor for the FileTailer object

Parameters:

length - Description of Parameter

JOTFileTailer

public JOTFileTailer(int length,
                     int separator)

Constructor for the FileTailer object

Parameters:

separator - Description of Parameter

length - Description of Parameter

Method Detail

loadFile

public void loadFile(java.lang.String file)
              throws java.lang.Exception

This is to be called to set the file to tail.

Parameters:

file - Description of Parameter

Throws:

java.lang.Exception - Description of Exception

tail

public java.util.Vector tail(int max,
                             JOTTailFilter filter)
                      throws java.lang.Exception

This does the job !

Parameters:

max - Description of Parameter

filter - Description of Parameter

Returns:

Description of the Returned Value

Throws:

java.lang.Exception - Description of Exception