Package org.springframework.data.mongodb.util

Class RegexFlags

java.lang.Object

org.springframework.data.mongodb.util.RegexFlags

public abstract class RegexFlags
extends Object

Utility to translate regex flags to MongoDB regex options and vice versa.

Since:

3.3

Author:

Mark Paluch

Method Summary

Modifier and Type	Method	Description
static int	toRegexFlag(char c)	Lookup the MongoDB specific flags for a given character.
static int	toRegexFlags(String s)	Lookup the MongoDB specific flags for a given regex option string.
static String	toRegexOptions(int flags)	Lookup the MongoDB specific options from given flags.

Methods inherited from class java.lang.Object

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

Method Details

toRegexOptions

public static String toRegexOptions(int flags)

Lookup the MongoDB specific options from given flags.

Parameters:

flags - the Regex flags to look up.

Returns:

the options string. May be empty.

toRegexFlags

public static int toRegexFlags(@Nullable
 String s)

Lookup the MongoDB specific flags for a given regex option string.

Parameters:

s - the Regex option/flag to look up. Can be null.

Returns:

zero if given String is null or empty.

Since:

2.2

toRegexFlag

public static int toRegexFlag(char c)

Lookup the MongoDB specific flags for a given character.

Parameters:

c - the Regex option/flag to look up.

Returns:

Throws:

IllegalArgumentException - for unknown flags

Since:

2.2