org.apache.poi.hwpf.extractor.WordExtractor

[WATHELET Thomas]

I've download poi-bin-2.5.1-final-20040804.zip
<http://www.apache.org/dist/jakarta/poi/release/bin/poi-bin-2.5.1-final-
20040804.zip>  and I can't find the class
org.apache.poi.hwpf.extractor.WordExtractor
Why???