Class Strings

java.lang.Object

fj.function.Strings

public final class Strings
extends Object

Curried string functions.

Field Summary

Fields

Modifier and Type	Field	Description
static final F<String, F<String,Boolean>>	contains	A curried version of String.contains(CharSequence).
static final F<String,Boolean>	isEmpty	A curried version of String.isEmpty().
static final F<String,Boolean>	isNotNullOrBlank	This function checks if a given String contains any non-whitespace character (according to Character.isWhitespace(char)) and if it's also not null and not empty ("").
static final F<String,Boolean>	isNotNullOrEmpty	This function checks if a given String is neither null nor empty.
static final F<String,Boolean>	isNullOrBlank	This function checks if a given String is whitespace (according to Character.isWhitespace(char)), empty ("") or null.
static final F<String,Boolean>	isNullOrEmpty	This function checks if a given String is null or empty (String.isEmpty()).
static final F<String,Integer>	length	A curried version of String.length().
static final String	lineSeparator
private static final Pattern	lineSeparatorPattern
static final F<String, F<String,Boolean>>	matches	A curried version of String.matches(String).

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Strings()

Method Summary

Modifier and Type	Method	Description
static F<String, List<String>>	lines()
static List<String>	lines(String s)
static F<List<String>, String>	unlines()
static String	unlines(List<String> list)

Methods inherited from class Object

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

Field Details

lineSeparatorPattern

private static final Pattern lineSeparatorPattern

lineSeparator

public static final String lineSeparator

isNotNullOrEmpty

public static final F<String,Boolean> isNotNullOrEmpty

This function checks if a given String is neither null nor empty.

See Also:

• isNullOrEmpty

isNullOrEmpty

public static final F<String,Boolean> isNullOrEmpty

This function checks if a given String is null or empty (String.isEmpty()).

See Also:

• isNotNullOrEmpty

isNotNullOrBlank

public static final F<String,Boolean> isNotNullOrBlank

This function checks if a given String contains any non-whitespace character (according to Character.isWhitespace(char)) and if it's also not null and not empty ("").

See Also:

• isNullOrBlank
• Character.isWhitespace(char)
• Characters.isWhitespace

isNullOrBlank

public static final F<String,Boolean> isNullOrBlank

This function checks if a given String is whitespace (according to Character.isWhitespace(char)), empty ("") or null.

See Also:

• isNotNullOrBlank
• Character.isWhitespace(char)
• Characters.isWhitespace

isEmpty

public static final F<String,Boolean> isEmpty

A curried version of String.isEmpty().

length

public static final F<String,Integer> length

A curried version of String.length().

contains

public static final F<String, F<String,Boolean>> contains

A curried version of String.contains(CharSequence). The function returns true if the second argument contains the first.

matches

public static final F<String, F<String,Boolean>> matches

A curried version of String.matches(String). The function returns true if the second argument matches the first.

Constructor Details

Strings

private Strings()

Method Details

lines

public static List<String> lines(String s)

lines

public static F<String, List<String>> lines()

unlines

public static String unlines(List<String> list)

unlines

public static F<List<String>, String> unlines()