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.members.disable.forsession;
021    
022    import java.lang.reflect.Method;
023    
024    import org.apache.isis.applib.security.UserMemento;
025    import org.apache.isis.core.commons.lang.NameUtils;
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    import org.apache.isis.core.progmodel.facets.MethodPrefixConstants;
034    
035    public class DisabledFacetViaDisableForSessionMethodFacetFactory extends MethodPrefixBasedFacetFactoryAbstract {
036    
037        private static final String[] PREFIXES = { MethodPrefixConstants.DISABLE_PREFIX };
038    
039        /**
040         * Note that the {@link Facet}s registered are the generic ones from noa-architecture (where they exist)
041         */
042        public DisabledFacetViaDisableForSessionMethodFacetFactory() {
043            super(FeatureType.MEMBERS, PREFIXES);
044        }
045    
046        // ///////////////////////////////////////////////////////
047        // Actions
048        // ///////////////////////////////////////////////////////
049    
050        @Override
051        public void process(final ProcessMethodContext processMethodContext) {
052            attachDisableFacetIfDisableMethodForSessionIsFound(processMethodContext);
053        }
054    
055        public static void attachDisableFacetIfDisableMethodForSessionIsFound(
056            final ProcessMethodContext processMethodContext) {
057    
058            final Method method = processMethodContext.getMethod();
059            final String capitalizedName = NameUtils.javaBaseNameStripAccessorPrefixIfRequired(method.getName());
060    
061            final Class<?> cls = processMethodContext.getCls();
062            final Method disableForSessionMethod =
063                MethodFinderUtils
064                    .findMethod(cls, MethodScope.CLASS, MethodPrefixConstants.DISABLE_PREFIX + capitalizedName,
065                        String.class, new Class[] { UserMemento.class });
066    
067            if (disableForSessionMethod == null) {
068                return;
069            }
070    
071            processMethodContext.removeMethod(disableForSessionMethod);
072    
073            final FacetHolder facetedMethod = processMethodContext.getFacetHolder();
074            FacetUtil.addFacet(new DisableForSessionFacetViaMethod(disableForSessionMethod, facetedMethod));
075        }
076    
077    }