org.apache.lucene.queryParser.standard.parser
Class EscapeQuerySyntaxImpl

java.lang.Object
  org.apache.lucene.queryParser.standard.parser.EscapeQuerySyntaxImpl

All Implemented Interfaces:

EscapeQuerySyntax

public class EscapeQuerySyntaxImpl
extends Object
implements EscapeQuerySyntax

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.lucene.queryParser.core.parser.EscapeQuerySyntax

EscapeQuerySyntax.Type

Constructor Summary

EscapeQuerySyntaxImpl()

Method Summary

static UnescapedCharSequence	discardEscapeChar(CharSequence input) Returns a String where the escape char has been removed, or kept only once if there was a double escape.
CharSequence	escape(CharSequence text, Locale locale, EscapeQuerySyntax.Type type)

Methods inherited from class java.lang.Object

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

Constructor Detail

EscapeQuerySyntaxImpl

public EscapeQuerySyntaxImpl()

Method Detail

escape

public CharSequence escape(CharSequence text,
                           Locale locale,
                           EscapeQuerySyntax.Type type)

Specified by:

escape in interface EscapeQuerySyntax

Parameters:

text - - text to be escaped

locale - - locale for the current query

type - - select the type of escape operation to use

Returns:

escaped text

discardEscapeChar

public static UnescapedCharSequence discardEscapeChar(CharSequence input)
                                               throws ParseException

Returns a String where the escape char has been removed, or kept only once if there was a double escape. Supports escaped unicode characters, e. g. translates A to A.

Throws:

ParseException