org.apache.lucene.analysis

Class LengthFilter

java.lang.Object

org.apache.lucene.analysis.TokenStream

org.apache.lucene.analysis.TokenFilter

org.apache.lucene.analysis.LengthFilter

public final class LengthFilter
extends TokenFilter

Removes words that are too long and too short from the stream.

Constructor Summary

Constructors

Constructor and Description
LengthFilter(TokenStream in, int min, int max) Build a filter that removes words that are too long or too short from the text.

Method Summary

Modifier and Type	Method and Description
Token	next(Token result) Returns the next input Token whose termText() is the right len

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

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

Constructor Detail

LengthFilter

public LengthFilter(TokenStream in,
                    int min,
                    int max)

Build a filter that removes words that are too long or too short from the text.

Method Detail

next

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

Returns the next input Token whose termText() is the right len

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:

java.io.IOException