Package org.apache.lucene.analysis.core

Class UpperCaseFilterFactory

java.lang.Object

org.apache.lucene.analysis.AbstractAnalysisFactory

org.apache.lucene.analysis.TokenFilterFactory

org.apache.lucene.analysis.core.UpperCaseFilterFactory

public class UpperCaseFilterFactory
extends TokenFilterFactory

Factory for UpperCaseFilter.

 <fieldType name="text_uppercase" class="solr.TextField" positionIncrementGap="100">
   <analyzer>
     <tokenizer class="solr.WhitespaceTokenizerFactory"/>
     <filter class="solr.UpperCaseFilterFactory"/>
   </analyzer>
 </fieldType>

NOTE: In Unicode, this transformation may lose information when the upper case character represents more than one lower case character. Use this filter when you require uppercase tokens. Use the LowerCaseFilterFactory for general search matching

Since:

4.7.0

SPI Name (case-insensitive: if the name is 'htmlStrip', 'htmlstrip' can be used when looking up the service).

"uppercase"

Field Summary

Fields

Modifier and Type	Field	Description
static final String	NAME	SPI name

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

LUCENE_MATCH_VERSION_PARAM, luceneMatchVersion

Constructor Summary

Constructors

Constructor	Description
UpperCaseFilterFactory()	Default ctor for compatibility with SPI
UpperCaseFilterFactory(Map<String,String> args)	Creates a new UpperCaseFilterFactory

Method Summary

Modifier and Type	Method	Description
TokenStream	create(TokenStream input)
TokenStream	normalize(TokenStream input)

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

availableTokenFilters, findSPIName, forName, lookupClass, reloadTokenFilters

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

defaultCtorException, get, get, get, get, get, getBoolean, getChar, getClassArg, getFloat, getInt, getLines, getLuceneMatchVersion, getOriginalArgs, getPattern, getSet, getSnowballWordSet, getWordSet, isExplicitLuceneMatchVersion, require, require, require, requireBoolean, requireChar, requireFloat, requireInt, setExplicitLuceneMatchVersion, splitAt, splitFileNames

Methods inherited from class java.lang.Object

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

Field Details

NAME

public static final String NAME

SPI name

See Also:

• Constant Field Values

Constructor Details

UpperCaseFilterFactory

public UpperCaseFilterFactory(Map<String,String> args)

Creates a new UpperCaseFilterFactory

UpperCaseFilterFactory

public UpperCaseFilterFactory()

Default ctor for compatibility with SPI

Method Details

create

public TokenStream create(TokenStream input)

Specified by:

create in class TokenFilterFactory

normalize

public TokenStream normalize(TokenStream input)

Overrides:

normalize in class TokenFilterFactory