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
020package org.apache.isis.core.progmodel.facets.members.disabled.forsession;
021
022import java.lang.reflect.Method;
023
024import org.apache.isis.applib.security.UserMemento;
025import org.apache.isis.core.commons.lang.StringExtensions;
026import org.apache.isis.core.metamodel.facetapi.Facet;
027import org.apache.isis.core.metamodel.facetapi.FacetHolder;
028import org.apache.isis.core.metamodel.facetapi.FacetUtil;
029import org.apache.isis.core.metamodel.facetapi.FeatureType;
030import org.apache.isis.core.metamodel.methodutils.MethodScope;
031import org.apache.isis.core.progmodel.facets.MethodFinderUtils;
032import org.apache.isis.core.progmodel.facets.MethodPrefixBasedFacetFactoryAbstract;
033import org.apache.isis.core.progmodel.facets.MethodPrefixConstants;
034
035public 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
041     * noa-architecture (where they exist)
042     */
043    public DisabledFacetViaDisableForSessionMethodFacetFactory() {
044        super(FeatureType.MEMBERS, OrphanValidation.VALIDATE, PREFIXES);
045    }
046
047    // ///////////////////////////////////////////////////////
048    // Actions
049    // ///////////////////////////////////////////////////////
050
051    @Override
052    public void process(final ProcessMethodContext processMethodContext) {
053        attachDisableFacetIfDisableMethodForSessionIsFound(processMethodContext);
054    }
055
056    public static void attachDisableFacetIfDisableMethodForSessionIsFound(final ProcessMethodContext processMethodContext) {
057
058        final Method method = processMethodContext.getMethod();
059        final String capitalizedName = StringExtensions.asJavaBaseNameStripAccessorPrefixIfRequired(method.getName());
060
061        final Class<?> cls = processMethodContext.getCls();
062        final Method disableForSessionMethod = MethodFinderUtils.findMethod(cls, MethodScope.CLASS, MethodPrefixConstants.DISABLE_PREFIX + capitalizedName, String.class, new Class[] { UserMemento.class });
063
064        if (disableForSessionMethod == null) {
065            return;
066        }
067
068        processMethodContext.removeMethod(disableForSessionMethod);
069
070        final FacetHolder facetedMethod = processMethodContext.getFacetHolder();
071        FacetUtil.addFacet(new DisableForSessionFacetViaMethod(disableForSessionMethod, facetedMethod));
072    }
073
074}