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.properties.defaults.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.adapter.map.AdapterMap;
026 import org.apache.isis.core.metamodel.adapter.map.AdapterMapAware;
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 PropertyDefaultFacetFactory extends MethodPrefixBasedFacetFactoryAbstract implements AdapterMapAware {
036
037 private static final String[] PREFIXES = { MethodPrefixConstants.DEFAULT_PREFIX };
038
039 private AdapterMap adapterMap;
040
041 public PropertyDefaultFacetFactory() {
042 super(FeatureType.PROPERTIES_ONLY, PREFIXES);
043 }
044
045 @Override
046 public void process(final ProcessMethodContext processMethodContext) {
047
048 attachPropertyDefaultFacetIfDefaultMethodIsFound(processMethodContext);
049 }
050
051 private void attachPropertyDefaultFacetIfDefaultMethodIsFound(final ProcessMethodContext processMethodContext) {
052
053 final Method getMethod = processMethodContext.getMethod();
054 final String capitalizedName = NameUtils.javaBaseName(getMethod.getName());
055
056 final Class<?> cls = processMethodContext.getCls();
057 final Class<?> returnType = getMethod.getReturnType();
058 final Method method =
059 MethodFinderUtils.findMethod(cls, MethodScope.OBJECT, MethodPrefixConstants.DEFAULT_PREFIX
060 + capitalizedName, returnType, NO_PARAMETERS_TYPES);
061 if (method == null) {
062 return;
063 }
064 processMethodContext.removeMethod(method);
065
066 final FacetHolder property = processMethodContext.getFacetHolder();
067 FacetUtil.addFacet(new PropertyDefaultFacetViaMethod(method, property, getSpecificationLookup(),
068 getAdapterMap()));
069 }
070
071 // ///////////////////////////////////////////////////////
072 // Dependencies (injected)
073 // ///////////////////////////////////////////////////////
074
075 @Override
076 public void setAdapterMap(final AdapterMap adapterManager) {
077 this.adapterMap = adapterManager;
078 }
079
080 protected AdapterMap getAdapterMap() {
081 return adapterMap;
082 }
083
084 }