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Apache CXF JAX-RS Extensions: RxJava
/**
* 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.rx2.server;
import org.apache.cxf.jaxrs.JAXRSInvoker;
import org.apache.cxf.jaxrs.impl.AsyncResponseImpl;
import org.apache.cxf.message.Message;
import io.reactivex.Flowable;
import io.reactivex.Observable;
//Work in Progress
public class ReactiveIOInvoker extends JAXRSInvoker {
protected AsyncResponseImpl checkFutureResponse(Message inMessage, Object result) {
if (result instanceof Flowable) {
return handleFlowable(inMessage, (Flowable)result);
} else if (result instanceof Observable) {
return handleObservable(inMessage, (Observable)result);
} else {
return null;
}
}
protected AsyncResponseImpl handleFlowable(Message inMessage, Flowable f) {
final AsyncResponseImpl asyncResponse = new AsyncResponseImpl(inMessage);
f.subscribe(v -> asyncResponse.resume(v), t -> handleThrowable(asyncResponse, t));
return asyncResponse;
}
protected AsyncResponseImpl handleObservable(Message inMessage, Observable obs) {
final AsyncResponseImpl asyncResponse = new AsyncResponseImpl(inMessage);
obs.subscribe(v -> asyncResponse.resume(v), t -> handleThrowable(asyncResponse, t));
return asyncResponse;
}
private Object handleThrowable(AsyncResponseImpl asyncResponse, Throwable t) {
//TODO: if it is a Cancelation exception => asyncResponse.cancel();
asyncResponse.resume(t);
return null;
}
}