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.executed.prefix;
021    
022    import java.lang.reflect.Method;
023    
024    import org.apache.isis.core.metamodel.facetapi.Facet;
025    import org.apache.isis.core.metamodel.facetapi.FacetUtil;
026    import org.apache.isis.core.metamodel.facetapi.FeatureType;
027    import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
028    import org.apache.isis.core.metamodel.facets.actions.executed.ExecutedFacet;
029    import org.apache.isis.core.metamodel.facets.named.NamedFacetInferred;
030    import org.apache.isis.core.progmodel.facets.actions.invoke.ActionInvocationFacetFactory;
031    import org.apache.isis.core.progmodel.facets.actions.invoke.ExecutedFacetViaNamingConvention;
032    
033    /**
034     * Creates an {@link ExecutedFacet} based on the prefix of the action's name.
035     * 
036     * <p>
037     * TODO: think that this prefix is handled by the {@link ActionInvocationFacetFactory}.
038     */
039    public class ExecutedViaNamingConventionFacetFactory extends FacetFactoryAbstract {
040    
041        private static final String LOCAL_PREFIX = "Local";
042    
043        public ExecutedViaNamingConventionFacetFactory() {
044            super(FeatureType.ACTIONS_ONLY);
045        }
046    
047        @Override
048        public void process(final ProcessMethodContext processMethodContext) {
049            final String fullMethodName = processMethodContext.getMethod().getName();
050            final String capitalizedName = fullMethodName.substring(0, 1).toUpperCase() + fullMethodName.substring(1);
051    
052            if (!capitalizedName.startsWith(LOCAL_PREFIX)) {
053                return;
054            }
055    
056            FacetUtil.addFacets(new Facet[] {
057                new ExecutedFacetViaNamingConvention(ExecutedFacet.Where.LOCALLY, processMethodContext.getFacetHolder()),
058                new NamedFacetInferred(capitalizedName.substring(5), processMethodContext.getFacetHolder()) });
059        }
060    
061        public boolean recognizes(final Method method) {
062            return method.getName().startsWith(LOCAL_PREFIX);
063        }
064    
065    }