platform/core-api/src/com/intellij/concurrency/AsyncUtil.java

/*
 * Copyright 2000-2013 JetBrains s.r.o.
 *
 * 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.intellij.concurrency;

import org.jetbrains.annotations.NotNull;

import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;

/**
 * Author: dmitrylomov
 */
public class AsyncUtil {
  public static <V> V get(@NotNull Future<V> result) {
    try {
      return result.get();
    }
    catch (InterruptedException e) {
      throw new Error(e);
    }
    catch (ExecutionException e) {
      Throwable cause = e.getCause();
      if (cause instanceof RuntimeException) {
        throw (RuntimeException)cause;
      }
      else {
        throw new Error(cause);
      }
    }
  }
}