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Apache CXF JAX-RS Extensions: RxJava3

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/**
 * 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.rx3.server;

import org.apache.cxf.jaxrs.JAXRSServerFactoryBean;
import org.apache.cxf.jaxrs.ext.AbstractStreamingResponseExtension;
import org.apache.cxf.jaxrs.reactivestreams.server.ResponseStatusOnlyExceptionMapper;
import org.apache.cxf.service.invoker.Invoker;

public class ReactiveIOCustomizer extends AbstractStreamingResponseExtension {
    @Override
    protected Invoker createInvoker(JAXRSServerFactoryBean bean) {
        Boolean useStreamingSubscriber = (Boolean)bean.getProperties(true)
                .getOrDefault("useStreamingSubscriber", null);
        ReactiveIOInvoker invoker = new ReactiveIOInvoker();
        if (useStreamingSubscriber != null) {
            invoker.setUseStreamingSubscriberIfPossible(useStreamingSubscriber);
        }
        bean.setProvider(new ResponseStatusOnlyExceptionMapper());
        return invoker;
    }
}