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.causeway.extensions.secman.applib.permission.dom;
  
  import org.apache.causeway.applib.services.appfeat.ApplicationFeature;
  import org.apache.causeway.commons.internal.base._Strings;
  
  /**
   * Named after UNIX modes (<code>chmod</code> etc), determines that nature of access (of denial of access if vetoed)
   * to an {@link ApplicationFeature}.
   *
   * @since 2.0 {@index}
   */
  public enum ApplicationPermissionMode {
      /**
       * Whether the user/role can view (or is prevented from viewing) the application feature (class member).
       * <p>
       * The {@link ApplicationPermissionRule rule} of the
       * {@link ApplicationPermission} indicates whether access is being
       * granted or denied.
       */
      VIEWING,
      /**
       * Whether can user/role can change (or is prevented from changing) the state of the system using the application feature (class member).
       * <p>
       * In other words, whether they can execute (if an action, modify/clear (if a property), [addTo/removeFrom
       * (if a collection) ... see note below].
       * <p>
       * The {@link ApplicationPermissionRule rule} of the
       * {@link ApplicationPermission} indicates whether access is being
       * granted or denied.
       * <p>
       * Note: as of CAUSEWAY-3084 the notion of mutable collections was removed
       */
      CHANGING;
  
      @Override
      public String toString() {
          return _Strings.capitalize(name());
      }
  
  }
  