Package org.keycloak.authorization.client.util

Class Throwables

java.lang.Object

org.keycloak.authorization.client.util.Throwables

public final class Throwables
extends Object

Author:

Pedro Igor

Constructor Summary

Constructors

Constructor	Description
Throwables()

Method Summary

Modifier and Type	Method	Description
static RuntimeException	handleWrapException(String message, Throwable cause)	Handles an cause and wraps it into a RuntimeException.
static <V> V	retryAndWrapExceptionIfNecessary(Callable<V> callable, TokenCallable token, String message, Throwable cause)	Retries the given callable after obtaining a fresh token from the server.

Methods inherited from class java.lang.Object

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

Constructor Detail

Throwables

public Throwables()

Method Detail

handleWrapException

public static RuntimeException handleWrapException(String message,
                                                   Throwable cause)

Handles an cause and wraps it into a RuntimeException. The resulting cause contains more details in case the given cause is of a HttpResponseException.

Parameters:

callable -

pat -

message - the message

cause - the root cause

Returns:

a RuntimeException wrapping the given cause

retryAndWrapExceptionIfNecessary

public static <V> V retryAndWrapExceptionIfNecessary(Callable<V> callable,
                                                     TokenCallable token,
                                                     String message,
                                                     Throwable cause)
                                              throws RuntimeException

Retries the given callable after obtaining a fresh token from the server. If the attempt to retry fails the exception is handled as defined by handleWrapException(String, Throwable).

A retry is only attempted in case the cause is a HttpResponseException with a 403 status code. In some cases the session associated with the token is no longer valid and a new token must be issues.

Type Parameters:

V - the result of the callable

Parameters:

callable - the callable to retry

token - the token

message - the message

cause - the cause

Returns:

the result of the callable

Throws:

RuntimeException - in case the attempt to retry fails