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

public final class StandardFilter
extends TokenFilter

Normalizes tokens extracted with StandardTokenizer.

Field Summary

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

input

Constructor Summary

Constructors

Constructor and Description
StandardFilter(TokenStream in) Construct filtering in.

Method Summary

Methods

Modifier and Type	Method and Description
Token	next(Token result) 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 org.apache.lucene.analysis.TokenStream

next, reset

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(Token result)
                 throws IOException

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

Removes 's from the end of words.

Removes dots from acronyms.

Overrides:

next in class TokenStream

Parameters:

result - a Token that may or may not be used to return

Returns:

next token in the stream or null if end-of-stream was hit

Throws:

IOException