de.galan.commons.util

Class Sugar

java.lang.Object

de.galan.commons.util.Sugar

public class Sugar
extends Object

Simple syntax sugar/shortener

Constructor Summary

Constructors

Constructor and Description
Sugar()

Method Summary

Modifier and Type	Method and Description
static <T> T	cast(Object x) Casts an object by type inference.
<T> T	fallback(T val, T fallback) Returns the given value, or the fallback if the value is null.
static <T> Predicate<T>	not(Predicate<T> t) Negates the given Predicate
static <T> Optional<T>	optional(T value) Shortens the Optional.ofNullable(..) syntax.

Methods inherited from class java.lang.Object

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

Constructor Detail

Sugar

public Sugar()

Method Detail

optional

public static <T> Optional<T> optional(T value)

Shortens the Optional.ofNullable(..) syntax.

fallback

public <T> T fallback(T val,
                      T fallback)

Returns the given value, or the fallback if the value is null.

not

public static <T> Predicate<T> not(Predicate<T> t)

Negates the given Predicate

cast

public static <T> T cast(Object x)

Casts an object by type inference. see also http://weblogs.java.net/blog/emcmanus/archive/2007/03/getting_rid_of.html See Generics

Parameters:

x - Object that will be casted