content: /*
   * 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.camel.quarkus.component.reactive.streams.it;
  
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicReference;
  
  import jakarta.enterprise.context.ApplicationScoped;
  import jakarta.inject.Inject;
  import jakarta.json.Json;
  import jakarta.json.JsonObject;
  import jakarta.ws.rs.GET;
  import jakarta.ws.rs.POST;
  import jakarta.ws.rs.Path;
  import jakarta.ws.rs.Produces;
  import jakarta.ws.rs.core.MediaType;
  import org.apache.camel.CamelContext;
  import org.apache.camel.FluentProducerTemplate;
  import org.apache.camel.component.reactive.streams.ReactiveStreamsComponent;
  import org.apache.camel.component.reactive.streams.ReactiveStreamsEndpoint;
  import org.apache.camel.component.reactive.streams.api.CamelReactiveStreamsService;
  import org.apache.camel.component.reactive.streams.api.CamelReactiveStreamsServiceFactory;
  import org.apache.camel.quarkus.component.reactive.streams.it.support.TestSubscriber;
  
  @Path("/reactive-streams")
  @ApplicationScoped
  public class ReactiveStreamsResource {
      @Inject
      CamelContext camelContext;
      @Inject
      FluentProducerTemplate producerTemplate;
      @Inject
      CamelReactiveStreamsService reactiveStreamsService;
      @Inject
      CamelReactiveStreamsServiceFactory reactiveStreamsServiceFactory;
  
      @Path("/inspect")
      @GET
      @Produces(MediaType.APPLICATION_JSON)
      public JsonObject get() {
          ReactiveStreamsComponent component = camelContext.getComponent("reactive-streams", ReactiveStreamsComponent.class);
          ReactiveStreamsEndpoint endpoint = camelContext.getEndpointRegistry().values().stream()
                  .filter(ReactiveStreamsEndpoint.class::isInstance)
                  .map(ReactiveStreamsEndpoint.class::cast)
                  .findFirst()
                  .orElseThrow(() -> new IllegalArgumentException("Unable to find and endpoint of type ReactiveStreamsEndpoint"));
  
          return Json.createObjectBuilder()
                  .add("reactive-streams-component-type", component.getClass().getName())
                  .add("reactive-streams-component-backpressure-strategy", component.getBackpressureStrategy().toString())
                  .add("reactive-streams-endpoint-backpressure-strategy", endpoint.getBackpressureStrategy().toString())
                  .add("reactive-streams-service-type", reactiveStreamsService.getClass().getName())
                  .add("reactive-streams-service-factory-type", reactiveStreamsServiceFactory.getClass().getName())
                  .build();
      }
  
      @Path("/to-upper")
      @POST
      @Produces(MediaType.TEXT_PLAIN)
      public String toUpper(String payload) throws InterruptedException {
          final CountDownLatch latch = new CountDownLatch(1);
          final AtomicReference<String> result = new AtomicReference<>();
  
          TestSubscriber<String> subscriber = TestSubscriber.onNext(data -> {
              result.set(data);
              latch.countDown();
          });
  
          subscriber.setInitiallyRequested(1);
          reactiveStreamsService.fromStream("toUpper", String.class).subscribe(subscriber);
  
          producerTemplate.to("direct:toUpper").withBody(payload).send();
  
          latch.await(5, TimeUnit.SECONDS);
  
          return result.get();
      }
  }
  