Package org.apache.lucene.analysis.core

Class LowerCaseFilter

java.lang.Object

org.apache.lucene.util.AttributeSource

org.apache.lucene.analysis.TokenStream

org.apache.lucene.analysis.TokenFilter

org.apache.lucene.analysis.LowerCaseFilter

org.apache.lucene.analysis.core.LowerCaseFilter

All Implemented Interfaces:

Closeable, AutoCloseable, Unwrappable<TokenStream>

public final class LowerCaseFilter
extends LowerCaseFilter

Normalizes token text to lower case.

This class moved to Lucene Core, but a reference in the analysis/common module is preserved for documentation purposes and consistency with filter factory.

See Also:

• LowerCaseFilter
• LowerCaseFilterFactory

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource

AttributeSource.State

Field Summary

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

input

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

DEFAULT_TOKEN_ATTRIBUTE_FACTORY

Constructor Summary

Constructors

Constructor	Description
LowerCaseFilter(TokenStream in)	Create a new LowerCaseFilter, that normalizes token text to lower case.

Method Summary

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

incrementToken

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

close, end, reset, unwrap

Methods inherited from class org.apache.lucene.util.AttributeSource

addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, endAttributes, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, removeAllAttributes, restoreState, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

LowerCaseFilter

public LowerCaseFilter(TokenStream in)

Create a new LowerCaseFilter, that normalizes token text to lower case.

Parameters:

in - TokenStream to filter