org.springframework.data.relational.core.dialect

Class Escaper

java.lang.Object

org.springframework.data.relational.core.dialect.Escaper

public class Escaper
extends Object

Helper class encapsulating an escape character for LIKE queries and the actually usage of it in escaping Strings.

Since:

2.0

Author:

Roman Chigvintsev, Mark Paluch

Field Summary

Fields

Modifier and Type	Field and Description
static Escaper	DEFAULT

Method Summary

Modifier and Type	Method and Description
String	escape(String value) Escapes all special like characters (_, %) using the configured escape character.
char	getEscapeCharacter() Returns the escape character.
static Escaper	of(char escapeCharacter) Creates new instance of this class with the given escape character.
Escaper	withRewriteFor(String... chars) Apply the Escaper to the given chars.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT

public static final Escaper DEFAULT

Method Detail

of

public static Escaper of(char escapeCharacter)

Creates new instance of this class with the given escape character.

Parameters:

escapeCharacter - escape character

Returns:

new instance of Escaper.

Throws:

IllegalArgumentException - if escape character is one of special characters ('_' and '%')

withRewriteFor

public Escaper withRewriteFor(String... chars)

Apply the Escaper to the given chars.

Parameters:

chars - characters/char sequences that should be escaped.

Returns:

getEscapeCharacter

public char getEscapeCharacter()

Returns the escape character.

Returns:

the escape character to use.

escape

@Nullable
public String escape(@Nullable
                               String value)

Escapes all special like characters (_, %) using the configured escape character.

Parameters:

value - value to be escaped

Returns:

escaped value