| /* |
| * 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 javax.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)"); |
| |
| } |
| |
| } |
| |
| } |