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.image.node;
  
  import org.apache.kafka.common.Uuid;
  import org.apache.kafka.image.AclsImage;
  import org.apache.kafka.metadata.authorizer.StandardAcl;
  
  import java.util.ArrayList;
  import java.util.Collection;
  
  
  public class AclsImageByIdNode implements MetadataNode {
      /**
       * The name of this node.
       */
      public static final String NAME = "byId";
  
      /**
       * The ACLs image.
       */
      private final AclsImage image;
  
      public AclsImageByIdNode(AclsImage image) {
          this.image = image;
      }
  
      @Override
      public Collection<String> childNames() {
          ArrayList<String> childNames = new ArrayList<>();
          for (Uuid uuid : image.acls().keySet()) {
              childNames.add(uuid.toString());
          }
          return childNames;
      }
  
      @Override
      public MetadataNode child(String name) {
          Uuid uuid;
          try {
              uuid = Uuid.fromString(name);
          } catch (Exception e) {
              return null;
          }
          StandardAcl acl = image.acls().get(uuid);
          if (acl == null) return null;
          return new MetadataLeafNode(acl.toString());
      }
  }
  