com.liferay.petra.function.UnsafeConsumer Maven / Gradle / Ivy
/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library 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 2.1 of the License, or (at your option)
* any later version.
*
* This library 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.
*/
package com.liferay.petra.function;
import java.util.Collection;
/**
* @author Shuyang Zhou
*/
@FunctionalInterface
public interface UnsafeConsumer {
public static void accept(
Collection collection,
UnsafeConsumer unsafeConsumer)
throws Throwable {
accept(collection, unsafeConsumer, Throwable.class);
}
public static void accept(
Collection collection, UnsafeConsumer unsafeConsumer,
Class throwableClass)
throws T {
T throwable1 = null;
for (E e : collection) {
try {
unsafeConsumer.accept(e);
}
catch (Throwable throwable2) {
if (!throwableClass.isInstance(throwable2)) {
// Unexpected exception stops the loop and suppresses
// previous expected exceptions
if (throwable1 != null) {
throwable2.addSuppressed(throwable1);
}
throw throwable2;
}
if (throwable1 == null) {
throwable1 = throwableClass.cast(throwable2);
}
else {
throwable1.addSuppressed(throwable2);
}
}
}
if (throwable1 != null) {
throw throwable1;
}
}
public void accept(E e) throws T;
}