001    /*
002     *  Licensed to the Apache Software Foundation (ASF) under one
003     *  or more contributor license agreements.  See the NOTICE file
004     *  distributed with this work for additional information
005     *  regarding copyright ownership.  The ASF licenses this file
006     *  to you under the Apache License, Version 2.0 (the
007     *  "License"); you may not use this file except in compliance
008     *  with the License.  You may obtain a copy of the License at
009     *
010     *        http://www.apache.org/licenses/LICENSE-2.0
011     *
012     *  Unless required by applicable law or agreed to in writing,
013     *  software distributed under the License is distributed on an
014     *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     *  KIND, either express or implied.  See the License for the
016     *  specific language governing permissions and limitations
017     *  under the License.
018     */
019    
020    package org.apache.isis.core.progmodel.facets.object.ignore.javalang;
021    
022    import java.lang.reflect.Method;
023    
024    import org.apache.isis.core.commons.lang.JavaClassUtils;
025    import org.apache.isis.core.metamodel.facetapi.Facet;
026    import org.apache.isis.core.metamodel.facetapi.FeatureType;
027    import org.apache.isis.core.metamodel.facetapi.MethodRemover;
028    import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
029    
030    /**
031     * Removes all superclass methods of the class, but doesn't add any {@link Facet}s.
032     */
033    public class RemoveSuperclassMethodsFacetFactory extends FacetFactoryAbstract {
034    
035        @SuppressWarnings("unused")
036        private static final String JAVA_CLASS_PREFIX = "java.";
037    
038        public RemoveSuperclassMethodsFacetFactory() {
039            super(FeatureType.OBJECTS_ONLY);
040        }
041    
042        @Override
043        public void process(final ProcessClassContext processClassContext) {
044            removeSuperclassMethods(processClassContext.getCls(), processClassContext);
045        }
046    
047        private void removeSuperclassMethods(final Class<?> type, final MethodRemover methodRemover) {
048            if (type == null) {
049                return;
050            }
051    
052            if (!JavaClassUtils.isJavaClass(type)) {
053                removeSuperclassMethods(type.getSuperclass(), methodRemover);
054                return;
055            }
056    
057            final Method[] methods = type.getMethods();
058            for (final Method method : methods) {
059                methodRemover.removeMethod(method);
060            }
061    
062        }
063    
064    }