com.netflix.servo.util.Throwables Maven / Gradle / Ivy
/*
* Copyright 2014 Netflix, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.netflix.servo.util;
/**
* Utility class to deal with exceptions. Intended for internal use of servo only.
*/
public final class Throwables {
private Throwables() {
}
/**
* Propagates {@code throwable} as-is if it is an instance of
* {@link RuntimeException} or {@link Error}, or else as a last resort, wraps
* it in a {@code RuntimeException} then propagates.
*/
public static RuntimeException propagate(Throwable throwable) {
final Throwable t = Preconditions.checkNotNull(throwable, "throwable");
if (t instanceof Error) {
throw (Error) t;
}
if (t instanceof RuntimeException) {
throw (RuntimeException) t;
}
throw new RuntimeException(t);
}
}