/*
    * Copyright 2015 Data Archiving and Networked Services (an institute of
    * Koninklijke Nederlandse Akademie van Wetenschappen), King's College London,
    * Georg-August-Universitaet Goettingen Stiftung Oeffentlichen Rechts
    *
    * Licensed under the EUPL, Version 1.1 or – as soon they will be approved by
    * the European Commission - subsequent versions of the EUPL (the "Licence");
    * You may not use this work except in compliance with the Licence.
    * You may obtain a copy of the Licence at:
   *
   * https://joinup.ec.europa.eu/software/page/eupl
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the Licence is distributed on an "AS IS" basis,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the Licence for the specific language governing
   * permissions and limitations under the Licence.
   */
  
  package eu.ehri.project.acl;
  
  import com.fasterxml.jackson.annotation.JsonCreator;
  import com.fasterxml.jackson.annotation.JsonValue;
  import com.google.common.collect.Sets;
  
  import java.util.Set;
  
  /**
   * Convenience wrapper for the permission set data structure, which
   * looks like:
   * <p>
   * <pre>
   *     <code>
   *  {
   *      contentType -&gt; [perms...],
   *      ...
   *  }
   *     </code>
   * </pre>
   */
  public final class ItemPermissionSet {
  
      private final Set<PermissionType> set;
  
      @JsonCreator
      public static ItemPermissionSet from(Set<PermissionType> set) {
          return new ItemPermissionSet(set);
      }
  
      private ItemPermissionSet(Set<PermissionType> permissionSet) {
          set = Sets.immutableEnumSet(permissionSet);
      }
  
      public boolean has(PermissionType permissionType) {
          return set.contains(permissionType);
      }
  
      @JsonValue
      public Set<PermissionType> asSet() {
          return set;
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) return true;
          if (o == null || getClass() != o.getClass()) return false;
  
          ItemPermissionSet that = (ItemPermissionSet) o;
  
          return set.equals(that.set);
      }
  
      @Override
      public int hashCode() {
          return set.hashCode();
      }
  
      @Override
      public String toString() {
          return "<ItemPermissions: " + set + ">";
      }
  }