top.zhacker.ms.reactor.spring.function.handler.PersonHandler.java Source code

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Here is the source code for top.zhacker.ms.reactor.spring.function.handler.PersonHandler.java

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/*
 * Copyright 2002-2017 the original author or authors.
 *
 * Licensed 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 top.zhacker.ms.reactor.spring.function.handler;

import org.springframework.web.reactive.function.server.ServerRequest;
import org.springframework.web.reactive.function.server.ServerResponse;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import top.zhacker.ms.reactor.spring.function.model.Person;
import top.zhacker.ms.reactor.spring.function.repo.PersonRepository;

import static org.springframework.http.MediaType.APPLICATION_JSON;
import static org.springframework.web.reactive.function.BodyInserters.fromObject;

public class PersonHandler {

    private final PersonRepository repository;

    public PersonHandler(PersonRepository repository) {
        this.repository = repository;
    }

    public Mono<ServerResponse> getPerson(ServerRequest request) {
        int personId = Integer.valueOf(request.pathVariable("id"));
        Mono<ServerResponse> notFound = ServerResponse.notFound().build();
        Mono<Person> personMono = this.repository.getPerson(personId);
        return personMono
                .flatMap(person -> ServerResponse.ok().contentType(APPLICATION_JSON).body(fromObject(person)))
                .switchIfEmpty(notFound);
    }

    public Mono<ServerResponse> createPerson(ServerRequest request) {
        Mono<Person> person = request.bodyToMono(Person.class);
        return ServerResponse.ok().build(this.repository.savePerson(person));
    }

    public Mono<ServerResponse> listPeople(ServerRequest request) {
        Flux<Person> people = this.repository.allPeople();
        return ServerResponse.ok().contentType(APPLICATION_JSON).body(people, Person.class);
    }

}