com.diffplug.common.base

Class Errors.Handling

java.lang.Object

com.diffplug.common.base.Errors

com.diffplug.common.base.Errors.Handling

Enclosing class:

Errors

public static class Errors.Handling
extends Errors

An Errors which is free to rethrow the exception, but it might not. If we want to wrap a method with a return value, since the handler might not throw an exception, we need a default value to return.

Nested Class Summary

Nested classes/interfaces inherited from class com.diffplug.common.base.Errors

Errors.Handling, Errors.Plugins, Errors.Rethrowing

Field Summary

Fields inherited from class com.diffplug.common.base.Errors

handler

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Handling(java.util.function.Consumer<java.lang.Throwable> error)

Method Summary

Modifier and Type	Method and Description
<T> T	getWithDefault(Throwing.Supplier<T> supplier, T onFailure) Attempts to call the given supplier, returns onFailure if there is a failure.
<T,R> java.util.function.Function<T,R>	wrapWithDefault(Throwing.Function<T,R> function, R onFailure) Attempts to call the given function, and returns the given value on failure.
<T> java.util.function.Predicate<T>	wrapWithDefault(Throwing.Predicate<T> function, boolean onFailure) Attempts to call the given function, and returns the given value on failure.
<T> java.util.function.Supplier<T>	wrapWithDefault(Throwing.Supplier<T> supplier, T onFailure) Attempts to call the given supplier, and returns the given value on failure.

Methods inherited from class com.diffplug.common.base.Errors

asRuntime, createHandling, createRethrowing, dialog, handle, log, rethrow, run, suppress, wrap, wrap

Methods inherited from class java.lang.Object

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

Constructor Detail

Handling

protected Handling(java.util.function.Consumer<java.lang.Throwable> error)

Method Detail

getWithDefault

public <T> T getWithDefault(Throwing.Supplier<T> supplier,
                            T onFailure)

Attempts to call the given supplier, returns onFailure if there is a failure.

wrapWithDefault

public <T> java.util.function.Supplier<T> wrapWithDefault(Throwing.Supplier<T> supplier,
                                                          T onFailure)

Attempts to call the given supplier, and returns the given value on failure.

wrapWithDefault

public <T,R> java.util.function.Function<T,R> wrapWithDefault(Throwing.Function<T,R> function,
                                                              R onFailure)

Attempts to call the given function, and returns the given value on failure.

wrapWithDefault

public <T> java.util.function.Predicate<T> wrapWithDefault(Throwing.Predicate<T> function,
                                                           boolean onFailure)

Attempts to call the given function, and returns the given value on failure.