GeoJsonJackson2ObjectMapperBuilderCustomizer.java

/*
 * Copyright 2022 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 org.bremersee.geojson.spring.boot.autoconfigure.jackson;

import lombok.extern.slf4j.Slf4j;
import org.bremersee.geojson.GeoJsonGeometryFactory;
import org.bremersee.geojson.GeoJsonObjectMapperModule;
import org.bremersee.geojson.spring.boot.autoconfigure.GeoJsonGeometryFactoryAutoConfiguration;
import org.bremersee.geojson.spring.boot.autoconfigure.GeoJsonProperties;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
import org.springframework.boot.context.event.ApplicationReadyEvent;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.event.EventListener;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
import org.springframework.util.ClassUtils;

/**
 * The GeoJSON jackson 2 object mapper builder customizer.
 *
 * @author Christian Bremer
 */
@ConditionalOnWebApplication
@ConditionalOnClass(name = {
    "org.bremersee.geojson.GeoJsonObjectMapperModule",
    "org.springframework.http.converter.json.Jackson2ObjectMapperBuilder",
    "com.fasterxml.jackson.databind.ObjectMapper"})
@AutoConfiguration
@AutoConfigureAfter(GeoJsonGeometryFactoryAutoConfiguration.class)
@EnableConfigurationProperties(GeoJsonProperties.class)
@Slf4j
public class GeoJsonJackson2ObjectMapperBuilderCustomizer
    implements Jackson2ObjectMapperBuilderCustomizer {

  private final GeoJsonProperties properties;

  private final GeoJsonGeometryFactory geometryFactory;

  /**
   * Instantiates a new GeoJSON jackson 2 object mapper builder customizer.
   *
   * @param properties the properties
   * @param geometryFactory the geometry factory
   */
  public GeoJsonJackson2ObjectMapperBuilderCustomizer(
      GeoJsonProperties properties,
      ObjectProvider<GeoJsonGeometryFactory> geometryFactory) {
    this.properties = properties;
    this.geometryFactory = geometryFactory.getIfAvailable(GeoJsonGeometryFactory::new);
  }

  /**
   * Init.
   */
  @EventListener(ApplicationReadyEvent.class)
  public void init() {
    log.info("""

            *********************************************************************************
            * {}
            *********************************************************************************
            * properties = {}
            *********************************************************************************""",
        ClassUtils.getUserClass(getClass()).getSimpleName(), properties);
  }

  @Override
  public void customize(Jackson2ObjectMapperBuilder jacksonObjectMapperBuilder) {
    GeoJsonObjectMapperModule module = new GeoJsonObjectMapperModule(
        geometryFactory,
        properties.isWithBoundingBox(),
        properties.isUseBigDecimal()
    );
    jacksonObjectMapperBuilder.postConfigurer(objectMapper -> objectMapper
        .registerModule(module));
  }
}