/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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 org.apache.cxf.jaxrs.reactor.client;

import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executor;
import java.util.concurrent.Future;
import java.util.function.Supplier;

final class ReactorUtils {
    static final String TRACE = "TRACE";
    private ReactorUtils() {

    }
    static <R> CompletableFuture<R> toCompletableFuture(Future<R> future, Executor executor) {
        Supplier<R> supplier = () -> {
            try {
                return future.get();
            } catch (InterruptedException | ExecutionException e) {
                throw new CompletionException(e);
            }
        };
        if (executor != null) {
            return CompletableFuture.supplyAsync(supplier, executor);
        } else {
            return CompletableFuture.supplyAsync(supplier);
        }
    }
}
