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.object.domainobjectlayout;
  
  import java.util.Optional;
  
  import org.apache.causeway.applib.annotation.DomainObjectLayout;
  import org.apache.causeway.applib.layout.component.CssClassFaPosition;
  import org.apache.causeway.commons.internal.base._Strings;
  import org.apache.causeway.core.metamodel.facetapi.FacetHolder;
  import org.apache.causeway.core.metamodel.facets.members.iconfa.FaFacet;
  import org.apache.causeway.core.metamodel.facets.members.iconfa.FaStaticFacetAbstract;
  
  public class FaFacetForDomainObjectLayoutAnnotation
  extends FaStaticFacetAbstract {
  
      public static Optional<FaFacet> create(
              final Optional<DomainObjectLayout> domainObjectLayoutIfAny,
              final FacetHolder holder) {
  
          class Annot {
              private Annot(final DomainObjectLayout domainObjectLayout) {
                  this.cssClassFa = _Strings.emptyToNull(domainObjectLayout.cssClassFa());
                  this.cssClassFaPosition = domainObjectLayout.cssClassFaPosition();
              }
              String cssClassFa;
              CssClassFaPosition cssClassFaPosition;
          }
  
          return domainObjectLayoutIfAny
                  .map(Annot::new)
                  .filter(a -> a.cssClassFa != null )
                  .map(a -> new FaFacetForDomainObjectLayoutAnnotation(
                          a.cssClassFa, a.cssClassFaPosition, holder));
      }
  
      public FaFacetForDomainObjectLayoutAnnotation(
              final String value,
              final CssClassFaPosition position, //NOSONAR false positive: method IS used in create()/stream().map()
              final FacetHolder holder) {
          super(value, position, holder);
      }
  }
  