Package org.apache.lucene.queryparser.flexible.standard.parser

Class EscapeQuerySyntaxImpl

java.lang.Object

org.apache.lucene.queryparser.flexible.standard.parser.EscapeQuerySyntaxImpl

All Implemented Interfaces:

EscapeQuerySyntax

public class EscapeQuerySyntaxImpl
extends Object
implements EscapeQuerySyntax

Implementation of EscapeQuerySyntax for the standard lucene syntax.

Nested Class Summary

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

EscapeQuerySyntax.Type

Constructor Summary

Constructors

Constructor	Description
EscapeQuerySyntaxImpl()

Method Summary

Modifier and Type	Method	Description
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 Details

EscapeQuerySyntaxImpl

public EscapeQuerySyntaxImpl()

Method Details

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