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.example.reactive.streams;
  
  import java.io.InputStream;
  
  import jakarta.annotation.PostConstruct;
  
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.reactive.streams.api.CamelReactiveStreamsService;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.stereotype.Component;
  import reactor.core.publisher.Flux;
  
  /**
   * This example shows how to define a complex workflow using Camel direct client API.
   *
   * Note: the code is not spring-boot related and could have been placed in a standalone main().
   */
  @Configuration
  @ConditionalOnProperty("examples.client-api.workflow")
  public class ClientAPIWorkflowExample {
  
      /**
       * The reactor streams.
       */
      @Component
      public static class ClientAPIWorkflowExampleStreams {
  
          @Autowired
          private CamelReactiveStreamsService camel;
  
          @PostConstruct
          public void setup() {
  
              /**
               * This workflow reads all files from the directory named "input",
               * marshals them using the Camel marshalling features (simulation)
               * and sends them to an external system (simulation)
               * only if they contain the word "camel".
               */
              Flux.from(camel.from("file:input", InputStream.class))
                      .flatMap(camel.to("direct:unmarshal", String.class))
                      .filter(text -> text.contains("camel"))
                      .flatMap(camel.to("direct:send", String.class))
                      .subscribe();
  
          }
  
      }
  
      /**
       * The Camel Configuration.
       */
      @Component
      public static class BasicReactorToCamelExampleRoutes extends RouteBuilder {
  
          @Override
          public void configure() throws Exception {
  
              from("direct:unmarshal")
                      // This can be far more complex, using marshal()
                      .convertBodyTo(String.class)
                      .log("Content marshalled to string: ${body}");
  
              from("direct:send")
                      .log("Sending the file to an external system (simulation) with text: ${body}");
  
          }
  
      }
  
  }
  