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.postprocessors.all;
  
  import jakarta.inject.Inject;
  
  import org.apache.causeway.core.metamodel.context.MetaModelContext;
  import org.apache.causeway.core.metamodel.facetapi.FacetUtil;
  import org.apache.causeway.core.metamodel.facets.all.described.MemberDescribedFacet;
  import org.apache.causeway.core.metamodel.facets.all.described.ObjectDescribedFacet;
  import org.apache.causeway.core.metamodel.facets.all.described.ParamDescribedFacet;
  import org.apache.causeway.core.metamodel.facets.members.described.annotprop.MemberDescribedFacetFromType;
  import org.apache.causeway.core.metamodel.facets.param.described.annotderived.ParamDescribedFacetFromType;
  import org.apache.causeway.core.metamodel.postprocessors.MetaModelPostProcessorAbstract;
  import org.apache.causeway.core.metamodel.spec.ObjectSpecification;
  import org.apache.causeway.core.metamodel.spec.feature.ObjectAction;
  import org.apache.causeway.core.metamodel.spec.feature.ObjectActionParameter;
  import org.apache.causeway.core.metamodel.spec.feature.ObjectMember;
  import org.apache.causeway.core.metamodel.spec.feature.OneToManyAssociation;
  import org.apache.causeway.core.metamodel.spec.feature.OneToOneAssociation;
  
  public class DescribedAsFromTypePostProcessor
  extends MetaModelPostProcessorAbstract {
  
      @Inject
      public DescribedAsFromTypePostProcessor(final MetaModelContext mmc) {
          super(mmc);
      }
  
      @Override
      public void postProcessParameter(final ObjectSpecification objectSpecification, final ObjectAction objectAction, final ObjectActionParameter parameter) {
          handleParam(parameter);
      }
  
      @Override
      public void postProcessAction(final ObjectSpecification objectSpecification, final ObjectAction objectAction) {
          handleMember(objectAction);
      }
  
      @Override
      public void postProcessProperty(final ObjectSpecification objectSpecification, final OneToOneAssociation prop) {
          handleMember(prop);
      }
  
      @Override
      public void postProcessCollection(final ObjectSpecification objectSpecification, final OneToManyAssociation coll) {
          handleMember(coll);
      }
  
      // -- HELPER
  
      private void handleMember(final ObjectMember member) {
          if(member.containsNonFallbackFacet(MemberDescribedFacet.class)) {
              return;
          }
          member.getElementType()
          .lookupNonFallbackFacet(ObjectDescribedFacet.class)
          .ifPresent(objectDescribedFacet ->
              FacetUtil.addFacetIfPresent(
                      MemberDescribedFacetFromType
                      .create(objectDescribedFacet, facetedMethodFor(member))));
      }
  
      private void handleParam(final ObjectActionParameter parameter) {
          if(parameter.containsNonFallbackFacet(ParamDescribedFacet.class)) {
              return;
          }
          parameter.getElementType()
          .lookupNonFallbackFacet(ObjectDescribedFacet.class)
          .ifPresent(objectDescribedFacet->
              FacetUtil.addFacetIfPresent(
                      ParamDescribedFacetFromType
                      .create(objectDescribedFacet, parameter.getFacetHolder())));
      }
  
  }
  