io.dropwizard.util

Class Throwables

java.lang.Object

io.dropwizard.util.Throwables

public final class Throwables
extends Object

Since:

2.0

Method Summary

Modifier and Type	Method and Description
static Optional<Throwable>	findThrowableInChain(Predicate<Throwable> condition, Throwable t) Search an exception chain for an exception matching a given condition.
static Throwable	getRootCause(Throwable throwable) Deprecated. consider using Apache commons-lang3 ExceptionUtils instead

Methods inherited from class java.lang.Object

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

Method Detail

getRootCause

@Deprecated
public static Throwable getRootCause(Throwable throwable)

Deprecated. consider using Apache commons-lang3 ExceptionUtils instead

Returns the innermost cause of throwable. The first throwable in a chain provides context from when the error or exception was initially detected. Example usage:

 assertEquals("Unable to assign a customer id", Throwables.getRootCause(e).getMessage());
 

Throws:

IllegalArgumentException - if there is a loop in the causal chain

findThrowableInChain

public static Optional<Throwable> findThrowableInChain(Predicate<Throwable> condition,
                                                       @Nullable
                                                       Throwable t)

Search an exception chain for an exception matching a given condition.

Parameters:

condition - The condition to match on

t - The head of the exception chain

Returns:

An Optional containing the first match in the chain, starting from the head, or empty if no matching exception was found

Since:

2.1.0