UpperCaseFilterFactory (Lucene 9.4.2 common API)

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 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

All Methods Instance Methods Concrete Methods
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 Detail
  - NAME
```
public static final String NAME
```
    SPI name
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - UpperCaseFilterFactory
```
public UpperCaseFilterFactory(Map<String,String> args)
```
    Creates a new UpperCaseFilterFactory
  - UpperCaseFilterFactory
```
public UpperCaseFilterFactory()
```
    Default ctor for compatibility with SPI
- Method Detail
  - create
```
public TokenStream create(TokenStream input)
```
    Specified by:
    
    create in class TokenFilterFactory
  - normalize
```
public TokenStream normalize(TokenStream input)
```
    Overrides:
    
    normalize in class TokenFilterFactory