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.core.metamodel.facets.collections.layout;
  
  import java.util.Comparator;
  import java.util.Optional;
  
  import org.apache.causeway.applib.annotation.CollectionLayout;
  import org.apache.causeway.core.metamodel.facetapi.FacetHolder;
  import org.apache.causeway.core.metamodel.facets.collections.sortedby.SortedByFacetAbstract;
  
  import static org.apache.causeway.commons.internal.base._Casts.uncheckedCast;
  
  public class SortedByFacetForCollectionLayoutAnnotation
  extends SortedByFacetAbstract {
  
      public static Optional<SortedByFacetForCollectionLayoutAnnotation> create(
              final Optional<CollectionLayout> collectionLayoutIfAny,
              final FacetHolder holder) {
  
          return collectionLayoutIfAny
                  .map(CollectionLayout::sortedBy)
                  .filter(sortedBy -> sortedBy != Comparator.class)
                  .filter(Comparator.class::isAssignableFrom)
                  .map(sortedBy -> {
                      Class<? extends Comparator<?>> sortedByForceGenerics = uncheckedCast(sortedBy);
                      return new SortedByFacetForCollectionLayoutAnnotation(sortedByForceGenerics, holder);
                  });
      }
  
      private SortedByFacetForCollectionLayoutAnnotation(
              final Class<? extends Comparator<?>> sortedBy,
              final FacetHolder holder) {
          super(sortedBy, holder);
      }
  
  }
  