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.springboot;
  
  import org.apache.camel.Exchange;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.model.rest.RestBindingMode;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.beans.factory.annotation.Value;
  import org.springframework.core.env.Environment;
  import org.springframework.stereotype.Component;
  
  import static org.apache.camel.model.rest.RestParamType.body;
  import static org.apache.camel.model.rest.RestParamType.path;
  
  /**
   * A simple Camel REST DSL route with OpenApi API documentation.
   */
  @Component
  public class CamelRouter extends RouteBuilder {
      
      @Autowired
      private Environment env;
      
      @Value("${camel.servlet.mapping.context-path}")
      private String contextPath;
  
      @Override
      public void configure() throws Exception {
  
          // @formatter:off
          
          // this can also be configured in application.properties
          restConfiguration()
              .component("servlet")
              .bindingMode(RestBindingMode.json)
              .dataFormatProperty("prettyPrint", "true")
              .enableCORS(true)
              .port(env.getProperty("server.port", "8080"))
              .contextPath(contextPath.substring(0, contextPath.length() - 2))
              // turn on openapi api-doc
              .apiContextPath("/api-doc")
              .apiProperty("api.title", "User API")
              .apiProperty("api.version", "1.0.0");
  
          rest("/users").description("User REST service")
              .consumes("application/json")
              .produces("application/json")
  
              .get().description("Find all users").outType(User[].class)
                  .responseMessage().code(200).message("All users successfully returned").endResponseMessage()
                  .to("bean:userService?method=findUsers")
          
              .get("/{id}").description("Find user by ID")
                  .outType(User.class)
                  .param().name("id").type(path).description("The ID of the user").dataType("integer").endParam()
                  .responseMessage().code(200).message("User successfully returned").endResponseMessage()
                  .to("bean:userService?method=findUser(${header.id})")
  
              .put("/{id}").description("Update a user").type(User.class)
                  .param().name("id").type(path).description("The ID of the user to update").dataType("integer").endParam()    
                  .param().name("body").type(body).description("The user to update").endParam()
                  .responseMessage().code(204).message("User successfully updated").endResponseMessage()
                  .to("direct:update-user");
          
          from("direct:update-user")
              .to("bean:userService?method=updateUser")
              .setHeader(Exchange.HTTP_RESPONSE_CODE, constant(204))
              .setBody(constant(""));
  
          // @formatter:on
      }
  
  }
  