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.object.dirty.method;
021    
022    import java.lang.reflect.Method;
023    import java.util.ArrayList;
024    import java.util.List;
025    
026    import org.apache.isis.core.metamodel.facetapi.Facet;
027    import org.apache.isis.core.metamodel.facetapi.FacetHolder;
028    import org.apache.isis.core.metamodel.facetapi.FacetUtil;
029    import org.apache.isis.core.metamodel.facetapi.FeatureType;
030    import org.apache.isis.core.metamodel.methodutils.MethodScope;
031    import org.apache.isis.core.progmodel.facets.MethodFinderUtils;
032    import org.apache.isis.core.progmodel.facets.MethodPrefixBasedFacetFactoryAbstract;
033    
034    public class DirtyMethodsFacetFactory extends MethodPrefixBasedFacetFactoryAbstract {
035    
036        private static final String MARK_DIRTY_PREFIX = "markDirty";
037        private static final String CLEAR_DIRTY_PREFIX = "clearDirty";
038        private static final String IS_DIRTY_PREFIX = "isDirty";
039    
040        private static final String[] PREFIXES = { MARK_DIRTY_PREFIX, CLEAR_DIRTY_PREFIX, IS_DIRTY_PREFIX, };
041    
042        public DirtyMethodsFacetFactory() {
043            super(FeatureType.OBJECTS_ONLY, PREFIXES);
044    
045        }
046    
047        @Override
048        public void process(final ProcessClassContext processClassContext) {
049            final FacetHolder facetHolder = processClassContext.getFacetHolder();
050            final Class<?> cls = processClassContext.getCls();
051    
052            final List<Facet> facets = new ArrayList<Facet>();
053    
054            Method method =
055                MethodFinderUtils.findMethod(cls, MethodScope.OBJECT, IS_DIRTY_PREFIX, boolean.class, NO_PARAMETERS_TYPES);
056            if (method != null) {
057                processClassContext.removeMethod(method);
058                facets.add(new IsDirtyObjectFacetViaMethod(method, facetHolder));
059            }
060    
061            method =
062                MethodFinderUtils.findMethod(cls, MethodScope.OBJECT, CLEAR_DIRTY_PREFIX, void.class, NO_PARAMETERS_TYPES);
063            if (method != null) {
064                processClassContext.removeMethod(method);
065                facets.add(new ClearDirtyObjectFacetViaMethod(method, facetHolder));
066            }
067    
068            method =
069                MethodFinderUtils.findMethod(cls, MethodScope.OBJECT, MARK_DIRTY_PREFIX, void.class, NO_PARAMETERS_TYPES);
070            if (method != null) {
071                processClassContext.removeMethod(method);
072                facets.add(new MarkDirtyObjectFacetViaMethod(method, facetHolder));
073            }
074    
075            FacetUtil.addFacets(facets);
076        }
077    
078    }