org.biojava.bio.program.tagvalue
Class RegexChanger

java.lang.Object
  org.biojava.bio.program.tagvalue.RegexChanger

All Implemented Interfaces:

ChangeTable.Changer

public class RegexChanger
extends Object
implements ChangeTable.Changer

A ValueChanger.Changer that returns a specific match value using a regex Pattern.

Since:

1.3

Author:

Matthew Pocock

Constructor Summary

RegexChanger(Pattern pattern, int matchGroup)
Create a new RegexChanger with a pattern.

Method Summary

Object

change(Object value) Produce a modified value from an old value.

Methods inherited from class java.lang.Object

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

Constructor Detail

RegexChanger

public RegexChanger(Pattern pattern,
                    int matchGroup)

Create a new RegexChanger with a pattern.

Parameters:

pattern - the Pattern used to split values

matchGroup - the group to pull out - use 0 to pull out the whole match

Method Detail

change

public Object change(Object value)
              throws ParserException

Description copied from interface: ChangeTable.Changer

Produce a modified value from an old value.

It is strongly recommended that this method is re-entrant and does not modify the state of the Changer in a way that would affect future return -values.

Specified by:

change in interface ChangeTable.Changer

Parameters:

value - the old value Object

Returns:

the new value Object

Throws:

ParserException - if value could not be changed