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.applib.client;
  
  import java.util.EnumSet;
  import java.util.List;
  
  import org.apache.causeway.commons.internal.base._NullSafe;
  
  import static org.apache.causeway.commons.internal.base._NullSafe.stream;
  
  /**
   * @since 2.0 {@index}
   */
  public enum SuppressionType {
  
      /**
       * suppress '$$RO', RO Spec representation
       */
      RO,
  
      /**
       * suppress '$$href', hyperlink to the representation
       */
      HREF,
  
      /**
       suppress '$$instanceId', instance id of the domain object
       */
      ID,
  
      /**
       * suppress '$$domainType', object spec of the domain object
       */
      DOMAIN_TYPE,
  
      /**
       * suppress '$$title', title of the domain object
       */
      TITLE,
  
      /**
       * suppress all '$$...' entries
       */
      ALL
  
      ;
  
      public static EnumSet<SuppressionType> all() { return EnumSet.of(ALL); };
  
      public static EnumSet<SuppressionType> setOf(final SuppressionType ... types){
          final EnumSet<SuppressionType> set = EnumSet.noneOf(SuppressionType.class);
          stream(types).forEach(set::add);
          return set;
      }
  
      public static class ParseUtil {
  
          public static EnumSet<SuppressionType> parse(final List<String> parameterList) {
              final EnumSet<SuppressionType> set = EnumSet.noneOf(SuppressionType.class);
              parameterList.stream()
              .map(SuppressionType.ParseUtil::parseOrElseNull)
              .filter(_NullSafe::isPresent)
              .forEach(set::add);
              if(set.contains(ALL)) {
                  return EnumSet.allOf(SuppressionType.class);
              }
              return set;
          }
  
          private static SuppressionType parseOrElseNull(final String literal) {
  
              // honor pre v2 behavior
              if("true".equalsIgnoreCase(literal)) {
                  return SuppressionType.RO;
              }
  
              try {
                  return SuppressionType.valueOf(literal.toUpperCase());
              } catch (IllegalArgumentException  e) {
                  return null;
              }
          }
      }
  
  }
  