Package org.opencastproject.util.data.functions

Class Misc

java.lang.Object

org.opencastproject.util.data.functions.Misc

public final class Misc
extends Object

Various functions not directly bound to any type.

Method Summary

Modifier and Type	Method	Description
static <A, B> Function<A,B>	cast()	Cast from A to B.
static <A, B> B	cast(A v, Class<B> to)	Cast from A to B with special treatment of the Number classes.
static <A extends Throwable, B> Function<A,B>	chuck()	chuck(Throwable) as a function.
static <A> A	chuck(Throwable t)	Throw a checked exception like a RuntimeException removing any needs to declare a throws clause.
static <A> Function<A,A>	ifThen(A predicate, A b)
static <A> List<A>	widen(List<? extends A> xs)	Widening cast.
static <A> Optional<A>	widen(Optional<? extends A> xs)	Widening cast.
static <A> Option<A>	widen(Option<? extends A> xs)	Widening cast.

Methods inherited from class java.lang.Object

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

Method Details

chuck

public static <A> A chuck(Throwable t)

Throw a checked exception like a RuntimeException removing any needs to declare a throws clause. This technique has been described by James Iry at http://james-iry.blogspot.de/2010/08/on-removing-java-checked-exceptions-by.html

chuck

public static <A extends Throwable,
B>
Function<A,B> chuck()

chuck(Throwable) as a function.

cast

public static <A,
B> B cast(A v,
 Class<B> to)

Cast from A to B with special treatment of the Number classes.

cast

public static <A,
B> Function<A,B> cast()

Cast from A to B.

widen

public static <A> List<A> widen(List<? extends A> xs)

Widening cast.

widen

public static <A> Option<A> widen(Option<? extends A> xs)

Widening cast.

widen

public static <A> Optional<A> widen(Optional<? extends A> xs)

Widening cast.

ifThen

public static <A> Function<A,A> ifThen(A predicate,
 A b)