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.kafka.clients.admin.internals;
  
  import org.apache.kafka.common.acl.AclOperation;
  import org.apache.kafka.common.requests.MetadataResponse;
  import org.apache.kafka.common.utils.Utils;
  
  import java.util.Set;
  import java.util.stream.Collectors;
  
  public final class AdminUtils {
  
      private AdminUtils() {}
  
      public static Set<AclOperation> validAclOperations(final int authorizedOperations) {
          if (authorizedOperations == MetadataResponse.AUTHORIZED_OPERATIONS_OMITTED) {
              return null;
          }
          return Utils.from32BitField(authorizedOperations)
              .stream()
              .map(AclOperation::fromCode)
              .filter(operation -> operation != AclOperation.UNKNOWN
                  && operation != AclOperation.ALL
                  && operation != AclOperation.ANY)
              .collect(Collectors.toSet());
      }
  }
  