Finagle version of guava's Futures

FinagleFutures.java

package com.github.kevints.finaglefutures;

import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

import com.google.common.base.Throwables;
import com.twitter.util.Await;
import com.twitter.util.Duration;
import com.twitter.util.Future;

public final class FinagleFutures {
  public static <V, X extends Exception> V get(Future<V> future, Class<X> exceptionClass) throws X {
    try {
      return Await.result(future);
    } catch (Exception e) {
      Throwables.propagateIfInstanceOf(e, exceptionClass);
      throw Throwables.propagate(e);
    }
  }

  public static <V, X extends Exception> V get(
      Future<V> future,
      long timeout,
      TimeUnit unit,
      Class<X> exceptionClass) throws TimeoutException, InterruptedException, X {

    Await.ready(future, Duration.apply(timeout, unit));
    try {
      return Await.result(future);
    } catch (Exception e) {
      Throwables.propagateIfPossible(e, exceptionClass);
      throw Throwables.propagate(e);
    }
  }

  public static <V> V getUnchecked(Future<V> future) {
    try {
      return Await.result(future);
    } catch (Exception e) {
      throw Throwables.propagate(e);
    }
  }
}