Package com.diffplug.spotless

Class ThrowingEx

java.lang.Object

com.diffplug.spotless.ThrowingEx

public final class ThrowingEx
extends java.lang.Object

Basic functional interfaces which throw exception, along with static helper methods for calling them.

Contains most of the functionality of Durian's Throwing and Errors classes, but stripped down and renamed to avoid any confusion.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ThrowingEx.BiFunction<T1,T2,R>	A bi-function that can throw any exception.
static interface	ThrowingEx.Function<T,R>	A function that can throw any exception.
static interface	ThrowingEx.Runnable	A runnable that can throw any exception.
static interface	ThrowingEx.Supplier<T>	A supplier that can throw any exception.
static class	ThrowingEx.WrappedAsRuntimeException	A RuntimeException specifically for the purpose of wrapping non-runtime Exceptions as RuntimeExceptions.

Method Summary

Modifier and Type	Method	Description
static java.lang.RuntimeException	asRuntime(java.lang.Exception e)	Casts or wraps the given exception to be a RuntimeException.
static <T> T	get(ThrowingEx.Supplier<T> supplier)	Gets the given value, rethrowing any exceptions as runtime exceptions.
static void	run(ThrowingEx.Runnable runnable)	Runs the given runnable, rethrowing any exceptions as runtime exceptions.
static java.lang.RuntimeException	unwrapCause(java.lang.Throwable e)	Utility method for rethrowing an exception's cause with as few wrappers as possible.
static <T,R> java.util.function.Function<T,R>	wrap(ThrowingEx.Function<T,R> function)	Wraps the given ThrowingEx.Function as a standard Function, rethrowing any exceptions as runtime exceptions.

Methods inherited from class java.lang.Object

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

Method Detail

run

public static void run(ThrowingEx.Runnable runnable)

Runs the given runnable, rethrowing any exceptions as runtime exceptions.

get

public static <T> T get(ThrowingEx.Supplier<T> supplier)

Gets the given value, rethrowing any exceptions as runtime exceptions.

wrap

public static <T,R> java.util.function.Function<T,R> wrap(ThrowingEx.Function<T,R> function)

Wraps the given ThrowingEx.Function as a standard Function, rethrowing any exceptions as runtime exceptions.

asRuntime

public static java.lang.RuntimeException asRuntime(java.lang.Exception e)

Casts or wraps the given exception to be a RuntimeException.

If the input exception is a RuntimeException, it is simply cast and returned. Otherwise, it wrapped in a ThrowingEx.WrappedAsRuntimeException and returned.

unwrapCause

public static java.lang.RuntimeException unwrapCause(java.lang.Throwable e)

Utility method for rethrowing an exception's cause with as few wrappers as possible.

 try {
     doSomething();
 } catch (Throwable e) {
     throw unwrapCause(e);
 }