/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.isis.core.metamodel.facets.collections.sortedby.annotation;
import java.util.Comparator;
import java.util.List;
import org.apache.isis.applib.annotation.SortedBy;
import org.apache.isis.core.commons.config.IsisConfiguration;
import org.apache.isis.core.commons.config.IsisConfigurationDefault;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facetapi.FacetUtil;
import org.apache.isis.core.metamodel.facetapi.FeatureType;
import org.apache.isis.core.metamodel.facetapi.MetaModelValidatorRefiner;
import org.apache.isis.core.metamodel.facets.Annotations;
import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
import org.apache.isis.core.metamodel.facets.collections.sortedby.SortedByFacet;
import org.apache.isis.core.metamodel.progmodel.DeprecatedMarker;
import org.apache.isis.core.metamodel.services.configinternal.ConfigurationServiceInternal;
import org.apache.isis.core.metamodel.services.ServicesInjector;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.core.metamodel.spec.feature.Contributed;
import org.apache.isis.core.metamodel.spec.feature.OneToManyAssociation;
import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorComposite;
import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorForDeprecatedAnnotation;
import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting;
import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting.Visitor;
import org.apache.isis.core.metamodel.specloader.validator.ValidationFailures;
/**
* There is no check that the value is a {@link Comparator}; instead this is done through
* the {@link #refineMetaModelValidator(MetaModelValidatorComposite, IsisConfiguration)}.
*
* @deprecated
*/
@Deprecated
public class SortedByFacetAnnotationFactory extends FacetFactoryAbstract implements MetaModelValidatorRefiner, DeprecatedMarker {
private final MetaModelValidatorForDeprecatedAnnotation validator = new MetaModelValidatorForDeprecatedAnnotation(SortedBy.class);
public SortedByFacetAnnotationFactory() {
super(FeatureType.COLLECTIONS_ONLY);
}
@Override
public void process(final ProcessMethodContext processMethodContext) {
final SortedBy renderAnnotation = Annotations.getAnnotation(processMethodContext.getMethod(), SortedBy.class);
final SortedByFacet facet = create(renderAnnotation, processMethodContext.getFacetHolder());
FacetUtil.addFacet(validator.flagIfPresent(facet, processMethodContext));
}
private SortedByFacet create(final SortedBy annotation, final FacetHolder holder) {
if (annotation == null) {
return null;
}
final Class<?> annotationValue = annotation.value();
@SuppressWarnings({ "rawtypes", "unchecked" })
final Class<? extends Comparator<?>> comparatorType = (Class)annotationValue;
return new SortedByFacetAnnotation(holder, comparatorType);
}
@Override
public void refineMetaModelValidator(MetaModelValidatorComposite metaModelValidator, IsisConfiguration configuration) {
metaModelValidator.add(new MetaModelValidatorVisiting(newValidatorVisitor()));
metaModelValidator.add(validator);
}
protected Visitor newValidatorVisitor() {
return new MetaModelValidatorVisiting.Visitor() {
@Override
public boolean visit(ObjectSpecification objectSpec, ValidationFailures validationFailures) {
List<OneToManyAssociation> objectCollections = objectSpec.getCollections(Contributed.EXCLUDED);
for (OneToManyAssociation objectCollection : objectCollections) {
final SortedByFacet facet = objectCollection.getFacet(SortedByFacet.class);
if(facet != null) {
final Class<? extends Comparator<?>> cls = facet.value();
if(!Comparator.class.isAssignableFrom(cls)) {
validationFailures.add(
"%s#%s: is annotated with @SortedBy, but the class specified '%s' is not a Comparator",
objectSpec.getIdentifier().getClassName(), objectCollection.getId(),
facet.value().getName());
}
}
}
return true;
}
};
}
@Override
public void setServicesInjector(final ServicesInjector servicesInjector) {
super.setServicesInjector(servicesInjector);
validator.setConfiguration(servicesInjector.lookupService(ConfigurationServiceInternal.class));
}
}