akka.http.javadsl.server

Class ExceptionHandler

java.lang.Object

akka.http.javadsl.server.ExceptionHandler

public final class ExceptionHandler
extends java.lang.Object

Handles exceptions by turning them into routes. You can create an exception handler in Java code like the following example:

     ExceptionHandler myHandler = ExceptionHandler.of (ExceptionHandler.newPFBuilder()
         .match(IllegalArgumentException.class, x -> Directives.complete(StatusCodes.BAD_REQUEST))
         .build()
     ));
 

Constructor Summary

Constructors

Constructor and Description
ExceptionHandler()

Method Summary

Modifier and Type	Method and Description
ExceptionHandler	asScala()
static ExceptionHandlerBuilder	newBuilder() Creates a new builder DSL for creating an ExceptionHandler
static ExceptionHandler	of(scala.PartialFunction<java.lang.Throwable,Route> pf) INTERNAL API
ExceptionHandler	seal(RoutingSettings settings) "Seals" this handler by attaching a default handler as fallback if necessary.
ExceptionHandler	withFallback(ExceptionHandler that) Creates a new ExceptionHandler which uses the given one as fallback for this one.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExceptionHandler

public ExceptionHandler()

Method Detail

newBuilder

public static ExceptionHandlerBuilder newBuilder()

Creates a new builder DSL for creating an ExceptionHandler

Returns:

(undocumented)

of

public static ExceptionHandler of(scala.PartialFunction<java.lang.Throwable,Route> pf)

INTERNAL API

asScala

public ExceptionHandler asScala()

withFallback

public ExceptionHandler withFallback(ExceptionHandler that)

Creates a new ExceptionHandler which uses the given one as fallback for this one.

Parameters:

that - (undocumented)

Returns:

(undocumented)

seal

public ExceptionHandler seal(RoutingSettings settings)

"Seals" this handler by attaching a default handler as fallback if necessary.

Parameters:

settings - (undocumented)

Returns:

(undocumented)