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.metamodel.facetapi.FeatureType;
025    import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
026    import org.apache.isis.core.metamodel.methodutils.MethodScope;
027    
028    /**
029     * Removes all methods inherited from {@link Object}.
030     */
031    public class RemoveJavaLangObjectMethodsFacetFactory extends FacetFactoryAbstract {
032    
033        public RemoveJavaLangObjectMethodsFacetFactory() {
034            super(FeatureType.OBJECTS_ONLY);
035        }
036    
037        private static final String[] objectMethodNames;
038        private static final Class<?>[] objectMethodReturnTypes;
039        private static final Class<?>[][] objectMethodParameters;
040    
041        static {
042            final Method[] methods = Object.class.getMethods();
043            final int size = methods.length;
044            objectMethodNames = new String[size];
045            objectMethodReturnTypes = new Class[size];
046            objectMethodParameters = new Class[size][];
047            for (int i = 0; i < methods.length; i++) {
048                final Method method = methods[i];
049                objectMethodNames[i] = method.getName();
050                objectMethodReturnTypes[i] = method.getReturnType();
051                objectMethodParameters[i] = method.getParameterTypes();
052            }
053        }
054    
055        @Override
056        public void process(final ProcessClassContext processClassContext) {
057            final Method[] methods = Object.class.getMethods();
058            for (int i = 0; i < methods.length; i++) {
059                processClassContext.removeMethod(MethodScope.OBJECT, objectMethodNames[i], null, objectMethodParameters[i]);
060            }
061        }
062    
063    }