JacksonConfiguration.java

/*
 * Copyright 2014 Open mHealth
 *
 * 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 org.openmhealth.dsu.configuration;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.PropertyNamingStrategy;
import com.fasterxml.jackson.databind.SerializationFeature;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;


/**
 * A configuration for Jackson.
 *
 * @author Emerson Farrugia
 */
@Configuration
public class JacksonConfiguration {

    @Bean
    public ObjectMapper objectMapper() {

        ObjectMapper objectMapper = new ObjectMapper();
        objectMapper.findAndRegisterModules();

        // serialise timestamps in an ISO8601 textual representation
        objectMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);

        // serialise keys in snake_case
        objectMapper.setPropertyNamingStrategy(new PropertyNamingStrategy.LowerCaseWithUnderscoresStrategy());

        return objectMapper;
    }
}