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
020package org.apache.isis.core.progmodel.facets.param.mandatory.dflt;
021
022import org.apache.isis.core.metamodel.facetapi.FacetHolder;
023import org.apache.isis.core.metamodel.facetapi.FacetUtil;
024import org.apache.isis.core.metamodel.facetapi.FeatureType;
025import org.apache.isis.core.metamodel.facets.FacetFactory;
026import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
027import org.apache.isis.core.metamodel.facets.mandatory.MandatoryFacet;
028import org.apache.isis.core.metamodel.facets.mandatory.MandatoryFacetDefault;
029import org.apache.isis.core.metamodel.specloader.facetprocessor.FacetProcessor;
030
031/**
032 * Simply installs a {@link MandatoryFacetDefault} onto all properties and
033 * parameters.
034 * 
035 * <p>
036 * The idea is that this {@link FacetFactory} is included early on in the
037 * {@link FacetProcessor}, but other {@link MandatoryFacet} implementations
038 * which don't require mandatory semantics will potentially replace these where
039 * the property or parameter is annotated or otherwise indicated as being
040 * optional.
041 */
042public class MandatoryDefaultForParametersFacetFactory extends FacetFactoryAbstract {
043
044    public MandatoryDefaultForParametersFacetFactory() {
045        super(FeatureType.PARAMETERS_ONLY);
046    }
047
048    @Override
049    public void processParams(final ProcessParameterContext processParameterContext) {
050        FacetUtil.addFacet(create(processParameterContext.getFacetHolder()));
051    }
052
053    private MandatoryFacet create(final FacetHolder holder) {
054        return new MandatoryFacetDefault(holder);
055    }
056
057}