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## org.apache.lucene.analysis.miscellaneous
Class CapitalizationFilterFactory

    java.lang.Object
      org.apache.lucene.analysis.util.AbstractAnalysisFactory
          org.apache.lucene.analysis.util.TokenFilterFactory
              org.apache.lucene.analysis.miscellaneous.CapitalizationFilterFactory

    public class CapitalizationFilterFactory

extends TokenFilterFactory

Factory for `CapitalizationFilter`.

The factory takes parameters:
"onlyFirstWord" - should each word be capitalized or all of the words?
"keep" - a keep word list. Each word that should be kept separated by whitespace.
"keepIgnoreCase - true or false. If true, the keep list will be considered case-insensitive.
"forceFirstLetter" - Force the first letter to be capitalized even if it is in the keep list
"okPrefix" - do not change word capitalization if a word begins with something in this list. for example if "McK" is on the okPrefix list, the word "McKinley" should not be changed to "Mckinley"
"minWordLength" - how long the word needs to be to get capitalization applied. If the minWordLength is 3, "and" > "And" but "or" stays "or"
"maxWordCount" - if the token contains more then maxWordCount words, the capitalization is assumed to be correct.

     <fieldType name="text_cptlztn" class="solr.TextField" positionIncrementGap="100">
       <analyzer>
         <tokenizer class="solr.WhitespaceTokenizerFactory"/>
         <filter class="solr.CapitalizationFilterFactory" onlyFirstWord="true"
               keep="java solr lucene" keepIgnoreCase="false"
               okPrefix="McK McD McA"/>
       </analyzer>
     </fieldType>

Since:
  solr 1.3

Field Summary
`static String` | `FORCE_FIRST_LETTER`
`static String` | `KEEP`
`static String` | `KEEP_IGNORE_CASE`
`static String` | `MAX_TOKEN_LENGTH`
`static String` | `MAX_WORD_COUNT`
`static String` | `MIN_WORD_LENGTH`
`static String` | `OK_PREFIX`
`static String` | `ONLY_FIRST_WORD`

Fields inherited from class org.apache.lucene.analysis.util.AbstractAnalysisFactory
`LUCENE_MATCH_VERSION_PARAM, luceneMatchVersion`

Constructor Summary
`CapitalizationFilterFactory(Map<String,String> args)` Creates a new CapitalizationFilterFactory

Method Summary
`CapitalizationFilter` | `create(TokenStream input)` Transform the specified input TokenStream

Methods inherited from class org.apache.lucene.analysis.util.TokenFilterFactory
`availableTokenFilters, forName, lookupClass, reloadTokenFilters`

Methods inherited from class org.apache.lucene.analysis.util.AbstractAnalysisFactory
`assureMatchVersion, 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, splitFileNames`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### KEEP

    public static final String KEEP

See Also:
  Constant Field Values

### KEEP_IGNORE_CASE

    public static final String KEEP_IGNORE_CASE

See Also:
  Constant Field Values

### OK_PREFIX

    public static final String OK_PREFIX

See Also:
  Constant Field Values

### MIN_WORD_LENGTH

    public static final String MIN_WORD_LENGTH

See Also:
  Constant Field Values

### MAX_WORD_COUNT

    public static final String MAX_WORD_COUNT

See Also:
  Constant Field Values

### MAX_TOKEN_LENGTH

    public static final String MAX_TOKEN_LENGTH

See Also:
  Constant Field Values

### ONLY_FIRST_WORD

    public static final String ONLY_FIRST_WORD

See Also:
  Constant Field Values

### FORCE_FIRST_LETTER

    public static final String FORCE_FIRST_LETTER

See Also:
  Constant Field Values

Constructor Detail

### CapitalizationFilterFactory

    public CapitalizationFilterFactory(Map<String,String> args)

  Creates a new CapitalizationFilterFactory

Method Detail

### create

    public CapitalizationFilter create(TokenStream input)

  Description copied from class: `TokenFilterFactory`
  Transform the specified input TokenStream

  Specified by:
    `create` in class `TokenFilterFactory`

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