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.choices.enums;
021    
022    import org.apache.isis.core.metamodel.adapter.map.AdapterMap;
023    import org.apache.isis.core.metamodel.adapter.map.AdapterMapAware;
024    import org.apache.isis.core.metamodel.facetapi.FacetUtil;
025    import org.apache.isis.core.metamodel.facetapi.FeatureType;
026    import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
027    
028    public class ParameterChoicesFacetDerivedFromChoicesFacetFacetFactory extends FacetFactoryAbstract implements
029        AdapterMapAware {
030    
031        private AdapterMap adapterMap;
032    
033        public ParameterChoicesFacetDerivedFromChoicesFacetFacetFactory() {
034            super(FeatureType.PARAMETERS_ONLY);
035        }
036    
037        @Override
038        public void processParams(final ProcessParameterContext processParameterContext) {
039            final Class<?> paramType =
040                processParameterContext.getMethod().getParameterTypes()[processParameterContext.getParamNum()];
041    
042            if (!paramType.isEnum()) {
043                return;
044            }
045    
046            FacetUtil.addFacet(new ActionParameterChoicesFacetDerivedFromChoicesFacet(processParameterContext
047                .getFacetHolder(), getSpecificationLookup(), getAdapterMap()));
048        }
049    
050        // /////////////////////////////////////////////
051        // Injected
052        // /////////////////////////////////////////////
053    
054        protected AdapterMap getAdapterMap() {
055            return adapterMap;
056        }
057    
058        @Override
059        public void setAdapterMap(final AdapterMap adapterMap) {
060            this.adapterMap = adapterMap;
061        }
062    }