org.apache.lucene.util.automaton

Class UTF32ToUTF8

java.lang.Object

org.apache.lucene.util.automaton.UTF32ToUTF8

public final class UTF32ToUTF8
extends Object

Converts UTF-32 automata to the equivalent UTF-8 representation.

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

Constructor Summary

Constructors

Constructor and Description
UTF32ToUTF8() Sole constructor.

Method Summary

Modifier and Type	Method and Description
Automaton	convert(Automaton utf32) Converts an incoming utf32 automaton to an equivalent utf8 one.

Methods inherited from class java.lang.Object

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

Constructor Detail

UTF32ToUTF8

public UTF32ToUTF8()

Sole constructor.

Method Detail

convert

public Automaton convert(Automaton utf32)

Converts an incoming utf32 automaton to an equivalent utf8 one. The incoming automaton need not be deterministic. Note that the returned automaton will not in general be deterministic, so you must determinize it if that's needed.