jax-rs.whiteboard/src/main/java/org/apache/aries/jax/rs/whiteboard/cxf/jaxrs/client/PromiseRxInvokerProviderImpl.java

/*
 * 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.aries.jax.rs.whiteboard.cxf.jaxrs.client;

import java.util.concurrent.ExecutorService;

import javax.ws.rs.client.RxInvokerProvider;
import javax.ws.rs.client.SyncInvoker;

import org.osgi.service.jaxrs.client.PromiseRxInvoker;
import org.osgi.util.promise.PromiseFactory;

public class PromiseRxInvokerProviderImpl
    implements RxInvokerProvider<PromiseRxInvoker> {

    @Override
    public boolean isProviderFor(Class<?> clazz) {
        return clazz == PromiseRxInvoker.class;
    }

    @Override
    public PromiseRxInvoker getRxInvoker(
        SyncInvoker syncInvoker, ExecutorService executorService) {

        PromiseFactory promiseFactory;

        if (executorService != null) {
            promiseFactory = new PromiseFactory(executorService);
        }
        else {
            promiseFactory = new PromiseFactory(
                PromiseFactory.inlineExecutor());
        }

        return new PromiseRxInvokerImpl(syncInvoker, promiseFactory);
    }

}