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.members.cssclass.annotprop;
  
  import java.util.Map;
  import java.util.Optional;
  import java.util.regex.Pattern;
  
  import org.apache.causeway.core.config.CausewayConfiguration;
  import org.apache.causeway.core.metamodel.facetapi.FacetHolder;
  import org.apache.causeway.core.metamodel.facets.members.cssclass.CssClassFacetSimple;
  
  public class CssClassFacetOnActionFromConfiguredRegex extends CssClassFacetSimple {
  
      public static Optional<CssClassFacetOnActionFromConfiguredRegex> create(
              final String name, final FacetHolder holder) {
          return cssIfAnyFor(name, holder.getConfiguration())
              .map(css->new CssClassFacetOnActionFromConfiguredRegex(css, holder));
      }
  
      private CssClassFacetOnActionFromConfiguredRegex(final String css, final FacetHolder holder) {
          super(css, holder, Precedence.INFERRED); // inferred from config, if not specified otherwise
      }
  
      // -- HELPER
  
      private static Optional<String> cssIfAnyFor(
              final String name, final CausewayConfiguration causewayConfiguration) {
  
          var cssClassByPattern = causewayConfiguration.getApplib().getAnnotation().getActionLayout()
                  .getCssClass().getPatternsAsMap();
  
          for (Map.Entry<Pattern, String> entry : cssClassByPattern.entrySet()) {
              final Pattern pattern = entry.getKey();
              final String cssClass = entry.getValue();
              if(pattern.matcher(name).matches()) {
                  return Optional.ofNullable(cssClass);
              }
          }
          return Optional.empty();
      }
  }
  