de.unidu.is.text
Class GermanStemmerFilter

java.lang.Object
  de.unidu.is.text.AbstractFilter
      de.unidu.is.text.AbstractSingleItemFilter
          de.unidu.is.text.GermanStemmerFilter

All Implemented Interfaces:

Filter, SingleItemFilter

public class GermanStemmerFilter

extends AbstractSingleItemFilter

This filter converts a specified German string into stemmed version. The stemmer is taken from Snowball.

Since:

2005-03-20

Version:

$Revision: 1.1 $, $Date: 2005/03/19 23:52:11 $

Author:

Henrik Nottelmann

Field Summary

protected net.sf.snowball.ext.germanStemmer

stemmer German stemmer from Snowball.

Fields inherited from class de.unidu.is.text.AbstractFilter

nextFilter

Constructor Summary

GermanStemmerFilter(Filter nextFilter)
Creates a new instance and sets the next filter in the chain.

Method Summary

java.lang.Object

run(java.lang.Object value) Converts the specified word into its stemmed version.

Methods inherited from class de.unidu.is.text.AbstractSingleItemFilter

filter

Methods inherited from class de.unidu.is.text.AbstractFilter

apply, apply

Methods inherited from class java.lang.Object

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

Field Detail

stemmer

protected net.sf.snowball.ext.germanStemmer stemmer

German stemmer from Snowball.

Constructor Detail

GermanStemmerFilter

public GermanStemmerFilter(Filter nextFilter)

Creates a new instance and sets the next filter in the chain.

Parameters:

nextFilter - next filter in the filter chain

Method Detail

run

public java.lang.Object run(java.lang.Object value)

Converts the specified word into its stemmed version.

Parameters:

value - word to stem

Returns:

stemmed word