content: /*
   * Copyright 2010-2025 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.engine.impl.event.logger.handler;
  
  import com.fasterxml.jackson.databind.ObjectMapper;
  import java.util.Date;
  import java.util.Map;
  import org.activiti.engine.delegate.event.ActivitiEntityEvent;
  import org.activiti.engine.delegate.event.ActivitiEvent;
  import org.activiti.engine.impl.cfg.ProcessEngineConfigurationImpl;
  import org.activiti.engine.impl.context.Context;
  import org.activiti.engine.impl.identity.Authentication;
  import org.activiti.engine.impl.persistence.entity.EventLogEntryEntity;
  import org.activiti.engine.impl.util.ProcessDefinitionUtil;
  import org.activiti.engine.repository.ProcessDefinition;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
  
   */
  public abstract class AbstractDatabaseEventLoggerEventHandler implements EventLoggerEventHandler {
  
      private static final Logger logger = LoggerFactory.getLogger(AbstractDatabaseEventLoggerEventHandler.class);
  
      protected ActivitiEvent event;
      protected Date timeStamp;
      protected ObjectMapper objectMapper;
  
      public AbstractDatabaseEventLoggerEventHandler() {}
  
      protected EventLogEntryEntity createEventLogEntry(Map<String, Object> data) {
          return createEventLogEntry(null, null, null, null, data);
      }
  
      protected EventLogEntryEntity createEventLogEntry(
          String processDefinitionId,
          String processInstanceId,
          String executionId,
          String taskId,
          Map<String, Object> data
      ) {
          return createEventLogEntry(
              event.getType().name(),
              processDefinitionId,
              processInstanceId,
              executionId,
              taskId,
              data
          );
      }
  
      protected EventLogEntryEntity createEventLogEntry(
          String type,
          String processDefinitionId,
          String processInstanceId,
          String executionId,
          String taskId,
          Map<String, Object> data
      ) {
          EventLogEntryEntity eventLogEntry = Context.getCommandContext().getEventLogEntryEntityManager().create();
          eventLogEntry.setProcessDefinitionId(processDefinitionId);
          eventLogEntry.setProcessInstanceId(processInstanceId);
          eventLogEntry.setExecutionId(executionId);
          eventLogEntry.setTaskId(taskId);
          eventLogEntry.setType(type);
          eventLogEntry.setTimeStamp(timeStamp);
          putInMapIfNotNull(data, Fields.TIMESTAMP, timeStamp);
  
          // Current user
          String userId = Authentication.getAuthenticatedUserId();
          if (userId != null) {
              eventLogEntry.setUserId(userId);
              putInMapIfNotNull(data, "userId", userId);
          }
  
          // Current tenant
          if (!data.containsKey(Fields.TENANT_ID) && processDefinitionId != null) {
              ProcessDefinition processDefinition = ProcessDefinitionUtil.getProcessDefinition(processDefinitionId);
              if (
                  processDefinition != null &&
                  !ProcessEngineConfigurationImpl.NO_TENANT_ID.equals(processDefinition.getTenantId())
              ) {
                  putInMapIfNotNull(data, Fields.TENANT_ID, processDefinition.getTenantId());
              }
          }
  
          try {
              eventLogEntry.setData(objectMapper.writeValueAsBytes(data));
          } catch (Exception e) {
              logger.warn("Could not serialize event data. Data will not be written to the database", e);
          }
  
          return eventLogEntry;
      }
  
      @Override
      public void setEvent(ActivitiEvent event) {
          this.event = event;
      }
  
      @Override
      public void setTimeStamp(Date timeStamp) {
          this.timeStamp = timeStamp;
      }
  
      @Override
      public void setObjectMapper(ObjectMapper objectMapper) {
          this.objectMapper = objectMapper;
      }
  
      // Helper methods //////////////////////////////////////////////////////
  
      @SuppressWarnings("unchecked")
      public <T> T getEntityFromEvent() {
          return (T) ((ActivitiEntityEvent) event).getEntity();
      }
  
      public void putInMapIfNotNull(Map<String, Object> map, String key, Object value) {
          if (value != null) {
              map.put(key, value);
          }
      }
  }
  