CamelRouter.java

/**
 * 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.builder.RouteBuilder;
import org.apache.camel.model.rest.RestBindingMode;
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 Swagger API documentation.
 * 
 */
@Component
public class CamelRouter extends RouteBuilder {

    @Override
    public void configure() throws Exception {

        // @formatter:off
        restConfiguration()
            .component("servlet")
            .bindingMode(RestBindingMode.json)
            .dataFormatProperty("prettyPrint", "true")
            .apiContextPath("/api-doc")
                .apiProperty("api.title", "User API").apiProperty("api.version", "1.0.0")
                .apiProperty("cors", "true");

        
        rest("/users").description("User REST service")
            .consumes("application/json")
            .produces("application/json")

            .get().description("Find all users").outTypeList(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("bean:userService?method=updateUser");

        // @formatter:on
    }

}