content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.cassandra.audit;
  
  import java.io.Serializable;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.cassandra.diag.DiagnosticEvent;
  import org.apache.cassandra.diag.DiagnosticEventService;
  
  /**
   * {@Link AuditLogEntry} wrapper to expose audit events as {@link DiagnosticEvent}s.
   */
  public final class AuditEvent extends DiagnosticEvent
  {
      private final AuditLogEntry entry;
  
      private AuditEvent(AuditLogEntry entry)
      {
          this.entry = entry;
      }
  
      static void create(AuditLogEntry entry)
      {
          if (isEnabled(entry.getType()))
              DiagnosticEventService.instance().publish(new AuditEvent(entry));
      }
  
      private static boolean isEnabled(AuditLogEntryType type)
      {
          return DiagnosticEventService.instance().isEnabled(AuditEvent.class, type);
      }
  
      public Enum<?> getType()
      {
          return entry.getType();
      }
  
      public String getSource()
      {
          return entry.getSource().toString(true);
      }
  
      public AuditLogEntry getEntry()
      {
          return entry;
      }
  
      public Map<String, Serializable> toMap()
      {
          HashMap<String, Serializable> ret = new HashMap<>();
          if (entry.getKeyspace() != null) ret.put("keyspace", entry.getKeyspace());
          if (entry.getOperation() != null) ret.put("operation", entry.getOperation());
          if (entry.getScope() != null) ret.put("scope", entry.getScope());
          if (entry.getUser() != null) ret.put("user", entry.getUser());
          return ret;
      }
  }
  