baremaps-core/src/main/java/org/apache/baremaps/database/repository/PostgresJsonbMapper.java

/*
 * 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.apache.baremaps.database.repository;



import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.util.HashMap;
import java.util.Map;

public class PostgresJsonbMapper {

  private static final ObjectMapper mapper = new ObjectMapper();

  private PostgresJsonbMapper() {}

  /**
   * Convert a map into a json object
   *
   * @param input a map with the entry of the object
   * @return a Json string representing the object
   * @throws JsonProcessingException
   */
  public static String toJson(Map<String, Object> input) throws JsonProcessingException {
    return mapper.writeValueAsString(input);
  }

  /**
   * Convert a Json array into a map
   *
   * @param input a valid json object
   * @return a map with the entry of the objects
   * @throws JsonProcessingException
   */
  public static Map<String, Object> toMap(String input) throws JsonProcessingException {
    TypeReference<HashMap<String, Object>> typeRef = new TypeReference<>() {};
    return mapper.readValue(input, typeRef);
  }
}