org.apache.lucene.analysis.standard

Class StandardAnalyzer

java.lang.Object

org.apache.lucene.analysis.Analyzer

org.apache.lucene.analysis.standard.StandardAnalyzer

public class StandardAnalyzer
extends Analyzer

Filters StandardTokenizer with StandardFilter, LowerCaseFilter and StopFilter, using a list of English stop words.

Version:

$Id: StandardAnalyzer.java 219090 2005-07-14 20:36:28Z dnaber $

Field Summary

Fields

Modifier and Type	Field and Description
static String[]	STOP_WORDS An array containing some common English words that are usually not useful for searching.

Constructor Summary

Constructors

Constructor and Description
StandardAnalyzer() Builds an analyzer with the default stop words (STOP_WORDS).
StandardAnalyzer(File stopwords) Builds an analyzer with the stop words from the given file.
StandardAnalyzer(Reader stopwords) Builds an analyzer with the stop words from the given reader.
StandardAnalyzer(Set stopWords) Builds an analyzer with the given stop words.
StandardAnalyzer(String[] stopWords) Builds an analyzer with the given stop words.

Method Summary

Methods

Modifier and Type	Method and Description
TokenStream	tokenStream(String fieldName, Reader reader) Constructs a StandardTokenizer filtered by a StandardFilter, a LowerCaseFilter and a StopFilter.

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

getPositionIncrementGap, tokenStream

Methods inherited from class java.lang.Object

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

Field Detail

STOP_WORDS

public static final String[] STOP_WORDS

An array containing some common English words that are usually not useful for searching.

Constructor Detail

StandardAnalyzer

public StandardAnalyzer()

Builds an analyzer with the default stop words (STOP_WORDS).

StandardAnalyzer

public StandardAnalyzer(Set stopWords)

Builds an analyzer with the given stop words.

StandardAnalyzer

public StandardAnalyzer(String[] stopWords)

Builds an analyzer with the given stop words.

StandardAnalyzer

public StandardAnalyzer(File stopwords)
                 throws IOException

Builds an analyzer with the stop words from the given file.

Throws:

IOException

See Also:

WordlistLoader.getWordSet(File)

StandardAnalyzer

public StandardAnalyzer(Reader stopwords)
                 throws IOException

Builds an analyzer with the stop words from the given reader.

Throws:

IOException

See Also:

WordlistLoader.getWordSet(Reader)

Method Detail

tokenStream

public TokenStream tokenStream(String fieldName,
                      Reader reader)

Constructs a StandardTokenizer filtered by a StandardFilter, a LowerCaseFilter and a StopFilter.

Overrides:

tokenStream in class Analyzer