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.ignore.javalang;
  
  import java.lang.reflect.Method;
  import java.util.Iterator;
  
  import jakarta.inject.Inject;
  
  import org.apache.causeway.commons.functional.Try;
  import org.apache.causeway.commons.internal._Constants;
  import org.apache.causeway.commons.internal.reflection._GenericResolver.ResolvedMethod;
  import org.apache.causeway.commons.internal.reflection._Reflect;
  import org.apache.causeway.core.metamodel.context.MetaModelContext;
  import org.apache.causeway.core.metamodel.facetapi.Facet;
  import org.apache.causeway.core.metamodel.facetapi.FeatureType;
  import org.apache.causeway.core.metamodel.facets.FacetFactoryAbstract;
  import org.apache.causeway.core.metamodel.methods.MethodFilteringFacetFactory;
  
  import lombok.AccessLevel;
  import lombok.Getter;
  import lombok.experimental.Accessors;
  
  /**
   * Designed to simply filter out {@link Iterable#iterator()} method if it
   * exists.
   * <p>
   * Does not add any {@link Facet}s.
   */
  public class IteratorFilteringFacetFactory
  extends FacetFactoryAbstract
  implements MethodFilteringFacetFactory, Iterable<Object> {
  
      @Inject
      public IteratorFilteringFacetFactory(final MetaModelContext mmc) {
          super(mmc, FeatureType.OBJECTS_ONLY);
      }
  
      @Override
      public void process(final ProcessClassContext processClassContext) {
          processClassContext.removeMethod("iterator", java.util.Iterator.class, _Constants.emptyClasses);
      }
  
      @Override
      public boolean recognizes(final ResolvedMethod method) {
          return _Reflect.methodsSame(iteratorMethod(), method.method());
      }
  
      // -- HELPER
  
      // implemented, so we can get a Method reference below
      @Override
      public Iterator<Object> iterator() {
          return null;
      }
  
      @Getter(lazy = true, value = AccessLevel.PRIVATE) @Accessors(fluent = true)
      private final Method iteratorMethod = Try.call(()->getClass().getMethod("iterator"))
          .valueAsNonNullElseFail();
  
  }
  