org.moserp.common.rest.ObjectMapperCustomizer.java Source code

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Here is the source code for org.moserp.common.rest.ObjectMapperCustomizer.java

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/*******************************************************************************
 * Copyright 2013 Thomas Letsch (contact@thomas-letsch.de)
 *
 * 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.moserp.common.rest;

import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import org.moserp.common.converter.BigDecimalWrapperToStringConverter;
import org.moserp.common.converter.RestUriToStringConverter;
import org.moserp.common.domain.Price;
import org.moserp.common.domain.Quantity;
import org.moserp.common.domain.RestUri;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.hateoas.hal.Jackson2HalModule;
import org.springframework.stereotype.Component;
import org.zalando.jackson.datatype.money.MoneyModule;

@Component
public class ObjectMapperCustomizer implements BeanPostProcessor {

    @Override
    public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {

        if (!(bean instanceof ObjectMapper)) {
            return bean;
        }

        ObjectMapper mapper = (ObjectMapper) bean;
        mapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
        mapper.configure(DeserializationFeature.READ_DATE_TIMESTAMPS_AS_NANOSECONDS, false);
        mapper.configure(SerializationFeature.WRITE_DATE_TIMESTAMPS_AS_NANOSECONDS, false);
        mapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
        mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
        registerQuantitySerializer(mapper);
        mapper.registerModules(new MoneyModule(), new JavaTimeModule(), new Jackson2HalModule());

        return mapper;
    }

    private void registerQuantitySerializer(ObjectMapper mapper) {
        SimpleModule module = new SimpleModule();
        module.addSerializer(Quantity.class,
                new WithConverterSerializer<>(new BigDecimalWrapperToStringConverter()));
        module.addSerializer(Price.class, new WithConverterSerializer<>(new BigDecimalWrapperToStringConverter()));
        module.addSerializer(RestUri.class, new WithConverterSerializer<>(new RestUriToStringConverter()));
        mapper.registerModule(module);
    }

    @Override
    public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
        return bean;
    }
}