org.egothor.parser.filter
Class LowerCase

java.lang.Object
  org.egothor.core.Filter
      org.egothor.parser.filter.LowerCase

All Implemented Interfaces:

Sequence<Token>

public final class LowerCase
extends Filter

This filter transforms all words to lower case.

Author:

Leo Galambos

Field Summary

Fields inherited from class org.egothor.core.Filter

prev

Constructor Summary

LowerCase(Sequence<Token> prev)
Constructor for the LowerCase object.

LowerCase(Sequence<Token> prev, java.util.Locale locale)
Construct a LowerCase object using the given localization setting.

Method Summary

Token

action(Token t) If the name/type of the token is not <EMAIL/PUNCT/NUM> then transform the text of the token to lower case.

Methods inherited from class org.egothor.core.Filter

getPrevTokenizer, next, setPrevTokenizer

Methods inherited from class java.lang.Object

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

Constructor Detail

LowerCase

public LowerCase(Sequence<Token> prev)

Constructor for the LowerCase object.

Parameters:

prev - this filter's Tokenizer

LowerCase

public LowerCase(Sequence<Token> prev,
                 java.util.Locale locale)

Construct a LowerCase object using the given localization setting.

Parameters:

prev - this filter's Tokenizer

locale - the desired localization

Method Detail

action

public Token action(Token t)

If the name/type of the token is not <EMAIL/PUNCT/NUM> then transform the text of the token to lower case. In other cases the token remains untouched.

Overrides:

action in class Filter

Parameters:

t - the Token

Returns:

the lower case Token