content: /*
   * Copyright 2017-2025 Hyland Software, Inc. and its affiliates.
   *
   * 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.activiti.cloud.services.query.model;
  
  import com.fasterxml.jackson.core.JsonProcessingException;
  import com.fasterxml.jackson.core.type.TypeReference;
  import com.fasterxml.jackson.databind.ObjectMapper;
  import jakarta.persistence.AttributeConverter;
  import java.io.IOException;
  import java.util.Collections;
  import java.util.List;
  
  public class ListOfStackTraceElementsJsonConverter implements AttributeConverter<List<StackTraceElement>, String> {
  
      private static ObjectMapper objectMapper = new ObjectMapper();
  
      public ListOfStackTraceElementsJsonConverter() {}
  
      public ListOfStackTraceElementsJsonConverter(ObjectMapper objectMapper) {
          ListOfStackTraceElementsJsonConverter.objectMapper = objectMapper;
      }
  
      @Override
      public String convertToDatabaseColumn(List<StackTraceElement> variableValue) {
          try {
              return objectMapper.writeValueAsString(variableValue);
          } catch (JsonProcessingException e) {
              throw new QueryException("Unable to serialize list of StackTraceElements", e);
          }
      }
  
      @Override
      public List<StackTraceElement> convertToEntityAttribute(String dbData) {
          try {
              if (dbData != null && dbData.length() > 0) {
                  return objectMapper.readValue(dbData, new TypeReference<List<StackTraceElement>>() {});
              } else {
                  return Collections.emptyList();
              }
          } catch (IOException e) {
              throw new QueryException("Unable to deserialize list of StackTraceElements", e);
          }
      }
  }
  