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.hide.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 HiddenFacetViaHideForSessionMethodFacetFactory extends MethodPrefixBasedFacetFactoryAbstract {
036
037 private static final String[] PREFIXES = { MethodPrefixConstants.HIDE_PREFIX };
038
039 /**
040 * Note that the {@link Facet}s registered are the generic ones from noa-architecture (where they exist)
041 */
042 public HiddenFacetViaHideForSessionMethodFacetFactory() {
043 super(FeatureType.MEMBERS, PREFIXES);
044 }
045
046 // ///////////////////////////////////////////////////////
047 // Actions
048 // ///////////////////////////////////////////////////////
049
050 @Override
051 public void process(final ProcessMethodContext processMethodContext) {
052 // hideXxx(UserMemento)
053 attachHideFacetIfHideMethodForSessionIsFound(processMethodContext);
054
055 }
056
057 public static void attachHideFacetIfHideMethodForSessionIsFound(final ProcessMethodContext processMethodContext) {
058
059 final Method method = processMethodContext.getMethod();
060 final String capitalizedName = NameUtils.javaBaseNameStripAccessorPrefixIfRequired(method.getName());
061
062 final Class<?> cls = processMethodContext.getCls();
063 final Method hideForSessionMethod =
064 MethodFinderUtils.findMethod(cls, MethodScope.CLASS, MethodPrefixConstants.HIDE_PREFIX + capitalizedName,
065 boolean.class, new Class[] { UserMemento.class });
066
067 if (hideForSessionMethod == null) {
068 return;
069 }
070
071 processMethodContext.removeMethod(hideForSessionMethod);
072
073 final FacetHolder facetedMethod = processMethodContext.getFacetHolder();
074 FacetUtil.addFacet(new HideForSessionFacetViaMethod(hideForSessionMethod, facetedMethod));
075 }
076
077 }