org.apache.lucene.analysis.standard
Class StandardFilter

java.lang.Object
  org.apache.lucene.analysis.TokenStream
      org.apache.lucene.analysis.TokenFilter
          org.apache.lucene.analysis.standard.StandardFilter

All Implemented Interfaces:

StandardTokenizerConstants

public final class StandardFilter

extends TokenFilter

implements StandardTokenizerConstants

Normalizes tokens extracted with StandardTokenizer.

Field Summary

Fields inherited from class org.apache.lucene.analysis.TokenFilter

input

Fields inherited from interface org.apache.lucene.analysis.standard.StandardTokenizerConstants

ACRONYM, ALPHA, ALPHANUM, APOSTROPHE, CJK, COMPANY, DEFAULT, DIGIT, EMAIL, EOF, HAS_DIGIT, HOST, LETTER, NOISE, NUM, P, tokenImage

Constructor Summary

StandardFilter(TokenStream in)
Construct filtering in.

Method Summary

Token

next() Returns the next token in the stream, or null at EOS.

Methods inherited from class org.apache.lucene.analysis.TokenFilter

close

Methods inherited from class java.lang.Object

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

Constructor Detail

StandardFilter

public StandardFilter(TokenStream in)

Construct filtering in.

Method Detail

next

public final Token next()
                 throws java.io.IOException

Returns the next token in the stream, or null at EOS.

Removes 's from the end of words.

Removes dots from acronyms.

Specified by:

next in class TokenStream

Throws:

java.io.IOException