com.lithium.flow.util.UncheckedException Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of flow Show documentation

The newest version!

/*
 * Copyright 2015 Lithium Technologies, 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.lithium.flow.util;

import static com.google.common.base.Preconditions.checkNotNull;

import javax.annotation.Nonnull;

/**
 * @author Matt Ayres
 */
public class UncheckedException extends RuntimeException {
	public UncheckedException(@Nonnull Exception e) {
		super(e);
	}

	@Nonnull
	public  E unwrap(@Nonnull Class clazz) {
		checkNotNull(clazz);
		Throwable cause = getCause();
		if (clazz.isInstance(cause)) {
			return clazz.cast(cause);
		} else {
			throw this;
		}
	}
}