browser/browser/src/main/java/androidx/browser/trusted/FutureUtils.java

/*
 * Copyright 2019 The Android Open Source Project
 *
 * 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 androidx.browser.trusted;

import androidx.annotation.NonNull;
import androidx.concurrent.futures.ResolvableFuture;

import com.google.common.util.concurrent.ListenableFuture;

/**
 * Holds utility methods for working with Futures.
 */
class FutureUtils {
    @NonNull
    static <T> ListenableFuture<T> immediateFailedFuture(@NonNull Throwable cause) {
        ResolvableFuture<T> future = ResolvableFuture.create();
        future.setException(cause);
        return future;
    }

    private FutureUtils() {}
}