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.actions.debug.annotation;
021    
022    import org.apache.isis.applib.annotation.Debug;
023    import org.apache.isis.core.metamodel.facetapi.FacetHolder;
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.AnnotationBasedFacetFactoryAbstract;
027    import org.apache.isis.core.metamodel.facets.actions.debug.DebugFacet;
028    import org.apache.isis.core.progmodel.facets.actions.invoke.ActionInvocationFacetFactory;
029    
030    /**
031     * {@link DebugFacet} can also be installed via a naming convention, see {@link ActionInvocationFacetFactory}.
032     */
033    public class DebugAnnotationFacetFactory extends AnnotationBasedFacetFactoryAbstract {
034    
035        public DebugAnnotationFacetFactory() {
036            super(FeatureType.ACTIONS_ONLY);
037        }
038    
039        @Override
040        public void process(final ProcessMethodContext processMethodContext) {
041            final Debug annotation = getAnnotation(processMethodContext.getMethod(), Debug.class);
042            FacetUtil.addFacet(create(annotation, processMethodContext.getFacetHolder()));
043        }
044    
045        private DebugFacet create(final Debug annotation, final FacetHolder holder) {
046            return annotation == null ? null : new DebugFacetAnnotation(holder);
047        }
048    
049    }