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.param.mandatory.dflt;
021    
022    import org.apache.isis.core.metamodel.facetapi.FacetHolder;
023    import org.apache.isis.core.metamodel.facetapi.FacetUtil;
024    import org.apache.isis.core.metamodel.facetapi.FeatureType;
025    import org.apache.isis.core.metamodel.facets.FacetFactory;
026    import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
027    import org.apache.isis.core.metamodel.facets.mandatory.MandatoryFacet;
028    import org.apache.isis.core.metamodel.facets.mandatory.MandatoryFacetDefault;
029    import org.apache.isis.core.metamodel.specloader.facetprocessor.FacetProcessor;
030    
031    /**
032     * Simply installs a {@link MandatoryFacetDefault} onto all properties and parameters.
033     * 
034     * <p>
035     * The idea is that this {@link FacetFactory} is included early on in the {@link FacetProcessor}, but other
036     * {@link MandatoryFacet} implementations which don't require mandatory semantics will potentially replace these where
037     * the property or parameter is annotated or otherwise indicated as being optional.
038     */
039    public class MandatoryDefaultForParametersFacetFactory extends FacetFactoryAbstract {
040    
041        public MandatoryDefaultForParametersFacetFactory() {
042            super(FeatureType.PARAMETERS_ONLY);
043        }
044    
045        @Override
046        public void processParams(final ProcessParameterContext processParameterContext) {
047            FacetUtil.addFacet(create(processParameterContext.getFacetHolder()));
048        }
049    
050        private MandatoryFacet create(final FacetHolder holder) {
051            return new MandatoryFacetDefault(holder);
052        }
053    
054    }