ch.frostnova.util.check

Class CheckString

java.lang.Object

ch.frostnova.util.check.CheckString

public final class CheckString
extends java.lang.Object

Utility methods to perform checks on strings

Since:

03.09.2017.

Method Summary

Modifier and Type	Method and Description
static java.util.function.Consumer<java.lang.String>	format(java.util.regex.Pattern pattern) Check that the string's format matches the given pattern
static java.util.function.Consumer<java.lang.String>	format(java.util.regex.Pattern pattern, java.lang.String hint) Check that the string's format matches the given pattern
static java.util.function.Consumer<java.lang.String>	max(int max) Check that the string contains no more than 'max' characters
static java.util.function.Consumer<java.lang.String>	min(int min) Check that the string contains at least 'min' characters
static java.util.function.Consumer<java.lang.String>	notBlank() Check that the string is not empty (string with whitespace characters only)
static java.util.function.Consumer<java.lang.String>	notEmpty() Check that the string is not empty (string with no characters)

Methods inherited from class java.lang.Object

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

Method Detail

notEmpty

public static java.util.function.Consumer<java.lang.String> notEmpty()

Check that the string is not empty (string with no characters)

Returns:

validator

notBlank

public static java.util.function.Consumer<java.lang.String> notBlank()

Check that the string is not empty (string with whitespace characters only)

Returns:

validator

format

public static java.util.function.Consumer<java.lang.String> format(java.util.regex.Pattern pattern)

Check that the string's format matches the given pattern

Parameters:

pattern - pattern specifying the string's format

Returns:

validator

format

public static java.util.function.Consumer<java.lang.String> format(java.util.regex.Pattern pattern,
                                                                   java.lang.String hint)

Check that the string's format matches the given pattern

Parameters:

pattern - pattern specifying the string's format

hint - hint describing the pattern

Returns:

validator

min

public static java.util.function.Consumer<java.lang.String> min(int min)

Check that the string contains at least 'min' characters

Parameters:

min - minimum number of characters

Returns:

validator

max

public static java.util.function.Consumer<java.lang.String> max(int max)

Check that the string contains no more than 'max' characters

Parameters:

max - maximum number of characters

Returns:

validator