/*
* Copyright (C) 2012, 2016 higherfrequencytrading.com
* Copyright (C) 2016 Roman Leventov
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.openhft.chronicle.hash.impl.util;
/**
* Inspired by Guava's Throwables
*/
public final class Throwables {
public static RuntimeException propagate(Throwable t) {
// Avoid calling Objects.requireNonNull(), StackOverflowError-sensitive
if (t == null)
throw new NullPointerException();
if (t instanceof Error)
throw (Error) t;
if (t instanceof RuntimeException)
throw (RuntimeException) t;
throw new RuntimeException(t);
}
public static <T extends Throwable> T propagateNotWrapping(
Throwable t, Class<T> notWrappingThrowableType) throws T {
Objects.requireNonNull(t);
Objects.requireNonNull(notWrappingThrowableType);
if (t instanceof Error)
throw (Error) t;
if (t instanceof RuntimeException)
throw (RuntimeException) t;
if (notWrappingThrowableType.isInstance(t))
throw notWrappingThrowableType.cast(t);
throw new RuntimeException(t);
}
public static Throwable returnOrSuppress(Throwable thrown, Throwable t) {
if (thrown == null) {
return t;
} else {
if (t != null)
thrown.addSuppressed(t);
return thrown;
}
}
private Throwables() {}
}