com.example.api.ApiApp.java Source code

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Here is the source code for com.example.api.ApiApp.java

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/*
 * Copyright 2017 Shinya Mochida
 *
 * Licensed under the Apache License,Version2.0(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 com.example.api;

import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.PropertyNamingStrategy;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.client.RestTemplate;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

@SpringBootApplication
public class ApiApp {

    public static void main(String[] args) {
        SpringApplication.run(ApiApp.class, args);
    }

    @Bean
    RestTemplate restTemplate(final RestTemplateBuilder restTemplateBuilder) {
        final SimpleModule datetimeModule = new SimpleModule();
        datetimeModule.addDeserializer(LocalDateTime.class,
                new LocalDateTimeDeserializer(DateTimeFormatter.ISO_LOCAL_DATE));
        datetimeModule.addDeserializer(LocalDate.class,
                new LocalDateDeserializer(DateTimeFormatter.ISO_LOCAL_DATE));

        final ObjectMapper mapper = Jackson2ObjectMapperBuilder.json().modules(datetimeModule)
                .propertyNamingStrategy(PropertyNamingStrategy.SNAKE_CASE)
                .featuresToEnable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES).build();

        return restTemplateBuilder.messageConverters(new MappingJackson2HttpMessageConverter(mapper)).build();
    }
}