exception.java

/*
 * Java Genetic Algorithm Library (@__identifier__@).
 * Copyright (c) @__year__@ Franz Wilhelmstötter
 *
 * 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.
 *
 * Author:
 *    Franz Wilhelmstötter (franz.wilhelmstoetter@gmx.at)
 */
package org.jenetics.internal.util;

import static org.jenetics.internal.util.require.noInstance;

/**
 * @author <a href="mailto:franz.wilhelmstoetter@gmx.at">Franz Wilhelmstötter</a>
 */
public final class exception {
	private exception() {noInstance();}


	@FunctionalInterface
	public static interface Block<E extends Throwable> {
		public void call() throws E;
	}

	public static <E extends Throwable> void
	ignore(final Class<? extends Throwable> ex, final Block<E> block) throws E {
		try {
			block.call();
		} catch (Throwable e) {
			if (!ex.isAssignableFrom(e.getClass())) {
				throw e;
			}
		}
	}

}