Package org.apache.lucene.analysis.miscellaneous

Class ScandinavianNormalizer

java.lang.Object

org.apache.lucene.analysis.miscellaneous.ScandinavianNormalizer

public final class ScandinavianNormalizer
extends Object

This Normalizer does the heavy lifting for a set of Scandinavian normalization filters, normalizing use of the interchangeable Scandinavian characters æÆäÄöÖøØ and folded variants (aa, ao, ae, oe and oo) by transforming them to åÅæÆøØ.

Since:

9.0

NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ScandinavianNormalizer.Foldings	List of possible foldings that can be used when configuring the filter

Field Summary

Fields

Modifier and Type	Field	Description
static Set<ScandinavianNormalizer.Foldings>	ALL_FOLDINGS

Constructor Summary

Constructors

Constructor	Description
ScandinavianNormalizer(Set<ScandinavianNormalizer.Foldings> foldings)	Create the instance, while choosing which foldings to apply.

Method Summary

Modifier and Type	Method	Description
int	processToken(char[] buffer, int length)	Takes the original buffer and length as input.

Methods inherited from class java.lang.Object

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

Field Detail

ALL_FOLDINGS

public static final Set<ScandinavianNormalizer.Foldings> ALL_FOLDINGS

Constructor Detail

ScandinavianNormalizer

public ScandinavianNormalizer(Set<ScandinavianNormalizer.Foldings> foldings)

Create the instance, while choosing which foldings to apply. This may differ between Norwegian, Danish and Swedish.

Parameters:

foldings - a Set of Foldings to apply (i.e. AE, OE, AA, AO, OO)

Method Detail

processToken

public int processToken(char[] buffer,
                        int length)

Takes the original buffer and length as input. Modifies the buffer in-place and returns new length

Returns:

new length