Package dev.comfast.errors

Class ErrorKit

java.lang.Object

dev.comfast.errors.ErrorKit

public class ErrorKit
extends Object

Constructor Summary

Constructors

Constructor	Description
ErrorKit()

Method Summary

Modifier and Type	Method	Description
static Supplier<RuntimeException>	_fail(String errorMsg, Object... msgParams)
static <T> T	rethrow(Supplier<T> getter, String errorMsg, Object... msgParams)	In case of fail rethrows RuntimeException with additional error message.

Methods inherited from class java.lang.Object

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

Constructor Details

ErrorKit

public ErrorKit()

Method Details

_fail

public static Supplier<RuntimeException> _fail(String errorMsg,
 Object... msgParams)

Parameters:

msgParams - printf params for errorMsg

Returns:

Supplier for RuntimeException, fits to Streams/Optionals Usage:

found = someStream.findFirst().orElseThrow(_fail("Not found '%s'", someParam))

rethrow

public static <T> T rethrow(Supplier<T> getter,
 String errorMsg,
 Object... msgParams)

In case of fail rethrows RuntimeException with additional error message. Usage:

rethrow(() -> somethingCanFail(), "Something failed");

rethrow(() -> somethingCanFail(), "Something failed, see: '%s'", "some param");