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.method;
021
022 import java.lang.reflect.Method;
023
024 import org.apache.isis.core.commons.lang.NameUtils;
025 import org.apache.isis.core.metamodel.facetapi.Facet;
026 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
027 import org.apache.isis.core.metamodel.facetapi.FacetUtil;
028 import org.apache.isis.core.metamodel.facetapi.FeatureType;
029 import org.apache.isis.core.metamodel.methodutils.MethodScope;
030 import org.apache.isis.core.progmodel.facets.MethodFinderUtils;
031 import org.apache.isis.core.progmodel.facets.MethodPrefixBasedFacetFactoryAbstract;
032 import org.apache.isis.core.progmodel.facets.MethodPrefixConstants;
033
034 public class HiddenFacetViaHideMethodFacetFactory extends MethodPrefixBasedFacetFactoryAbstract {
035
036 private static final String[] PREFIXES = { MethodPrefixConstants.HIDE_PREFIX };
037
038 /**
039 * Note that the {@link Facet}s registered are the generic ones from noa-architecture (where they exist)
040 */
041 public HiddenFacetViaHideMethodFacetFactory() {
042 super(FeatureType.MEMBERS, PREFIXES);
043 }
044
045 // ///////////////////////////////////////////////////////
046 // Actions
047 // ///////////////////////////////////////////////////////
048
049 @Override
050 public void process(final ProcessMethodContext processMethodContext) {
051 attachHideFacetIfHideMethodIsFound(processMethodContext);
052 }
053
054 public static void attachHideFacetIfHideMethodIsFound(final ProcessMethodContext processMethodContext) {
055
056 final Method getMethod = processMethodContext.getMethod();
057 final String capitalizedName = NameUtils.javaBaseNameStripAccessorPrefixIfRequired(getMethod.getName());
058
059 final Class<?> cls = processMethodContext.getCls();
060 final Method hideMethod =
061 MethodFinderUtils.findMethod(cls, MethodScope.OBJECT, MethodPrefixConstants.HIDE_PREFIX + capitalizedName,
062 boolean.class, new Class[] {});
063 if (hideMethod == null) {
064 return;
065 }
066
067 processMethodContext.removeMethod(hideMethod);
068
069 final FacetHolder facetedMethod = processMethodContext.getFacetHolder();
070 FacetUtil.addFacet(new HideForContextFacetViaMethod(hideMethod, facetedMethod));
071 }
072
073 }