com.expediagroup.rhapsody.util.Throwing Maven / Gradle / Ivy
/**
* Copyright 2019 Expedia, 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.expediagroup.rhapsody.util;
import java.util.function.Function;
import java.util.function.Supplier;
public final class Throwing {
private Throwing() {
}
public static Supplier wrap(ThrowingSupplier throwingSupplier) {
return () -> {
try {
return throwingSupplier.tryGet();
} catch (Throwable error) {
throw propagate(error);
}
};
}
public static Function wrap(ThrowingFunction throwingFunction) {
return t -> {
try {
return throwingFunction.tryApply(t);
} catch (Throwable error) {
throw propagate(error);
}
};
}
public static RuntimeException propagate(Throwable throwable) {
return propagate(throwable, RuntimeException::new);
}
public static RuntimeException propagate(Throwable throwable, Function super Throwable, ? extends RuntimeException> runtimeExceptionWrapper) {
return throwable instanceof RuntimeException ? RuntimeException.class.cast(throwable) : runtimeExceptionWrapper.apply(throwable);
}
public interface ThrowingSupplier {
T tryGet() throws Throwable;
}
public interface ThrowingFunction {
R tryApply(T t) throws Throwable;
}
}