org.apache.lucene.spelt
Class SpellWritingAnalyzer

Object
  Analyzer
      SpellWritingAnalyzer

public class SpellWritingAnalyzer
extends Analyzer

Drop-in replacement for the Lucene StandardAnalyzer, which performs all the same functions plus queues words to a spelling dictionary.

Author:

Martin Haye

Field Summary

static String[]	STOP_WORDS An array containing some common English words that are usually not useful for searching.
private Set	stopSet Set of stop words to remove during analysis
private SpellWriter	writer Destination for words to be added to dictionary

Constructor Summary

SpellWritingAnalyzer(File stopwords, SpellWriter spellWriter)
Builds an analyzer which writes to the given spelling dictionary, using the stop words from the given file.

SpellWritingAnalyzer(Reader stopwords, SpellWriter spellWriter)
Builds an analyzer which writes to the given spelling dictionary, using the stop words from the given reader.

SpellWritingAnalyzer(Set stopWords, SpellWriter spellWriter)
Builds an analyzer which writes to the given spelling dictionary, using the given stop words.

SpellWritingAnalyzer(SpellWriter spellWriter)
Builds an analyzer which writes to the given spelling dictionary, with the default stop words (STOP_WORDS).

SpellWritingAnalyzer(String[] stopWords, SpellWriter spellWriter)
Builds an analyzer which writes to the given spelling dictionary, using the given stop words.

Method Summary

TokenStream

tokenStream(String fieldName, Reader reader) Constructs a StandardTokenizer filtered by a StandardFilter, a SpellWritingFilter, a LowerCaseFilter and a StopFilter.

Methods inherited from class Analyzer

getPositionIncrementGap

Methods inherited from class Object

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

Field Detail

stopSet

private Set stopSet

Set of stop words to remove during analysis

writer

private SpellWriter writer

Destination for words to be added to dictionary

STOP_WORDS

public static final String[] STOP_WORDS

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

Constructor Detail

SpellWritingAnalyzer

public SpellWritingAnalyzer(SpellWriter spellWriter)

Builds an analyzer which writes to the given spelling dictionary, with the default stop words (STOP_WORDS).

SpellWritingAnalyzer

public SpellWritingAnalyzer(Set stopWords,
                            SpellWriter spellWriter)

Builds an analyzer which writes to the given spelling dictionary, using the given stop words.

SpellWritingAnalyzer

public SpellWritingAnalyzer(String[] stopWords,
                            SpellWriter spellWriter)

Builds an analyzer which writes to the given spelling dictionary, using the given stop words.

SpellWritingAnalyzer

public SpellWritingAnalyzer(File stopwords,
                            SpellWriter spellWriter)
                     throws IOException

Builds an analyzer which writes to the given spelling dictionary, using the stop words from the given file.

Throws:

IOException

See Also:

WordlistLoader.getWordSet(File)

SpellWritingAnalyzer

public SpellWritingAnalyzer(Reader stopwords,
                            SpellWriter spellWriter)
                     throws IOException

Builds an analyzer which writes to the given spelling dictionary, using 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 SpellWritingFilter, a LowerCaseFilter and a StopFilter.

Specified by:

tokenStream in class Analyzer