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* 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
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* KIND, either express or implied. See the License for the
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package org.apache.isis.core.metamodel.facets.object.domainservice.annotation;
import java.util.List;
import com.google.common.base.Joiner;
import com.google.common.collect.Lists;
import org.apache.isis.applib.annotation.DomainService;
import org.apache.isis.core.commons.config.IsisConfiguration;
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.object.domainservice.DomainServiceFacet;
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.ObjectAssociation;
import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorComposite;
import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorForValidationFailures;
import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting;
import org.apache.isis.core.metamodel.specloader.validator.ValidationFailures;
public class DomainServiceFacetAnnotationFactory extends FacetFactoryAbstract implements MetaModelValidatorRefiner {
public static final String ISIS_REFLECTOR_VALIDATOR_SERVICE_ACTIONS_ONLY_KEY =
"isis.reflector.validator.serviceActionsOnly";
public static final boolean ISIS_REFLECTOR_VALIDATOR_SERVICE_ACTIONS_ONLY_DEFAULT = false;
public static final String ISIS_REFLECTOR_VALIDATOR_MIXINS_ONLY_KEY =
"isis.reflector.validator.mixinsOnly";
public static final boolean ISIS_REFLECTOR_VALIDATOR_MIXINS_ONLY_DEFAULT = false;
private MetaModelValidatorForValidationFailures mixinOnlyValidator = new MetaModelValidatorForValidationFailures();
public DomainServiceFacetAnnotationFactory() {
super(FeatureType.OBJECTS_ONLY);
}
@Override
public void process(ProcessClassContext processClassContext) {
final Class<?> cls = processClassContext.getCls();
final DomainService annotation = Annotations.getAnnotation(cls, DomainService.class);
if (annotation == null) {
return;
}
FacetHolder facetHolder = processClassContext.getFacetHolder();
DomainServiceFacet domainServiceFacet = new DomainServiceFacetAnnotation(
facetHolder,
annotation.repositoryFor(), annotation.nature());
FacetUtil.addFacet(domainServiceFacet);
FacetUtil.addFacet(
new IconFacetDerivedFromDomainServiceAnnotation(
facetHolder,
annotation.repositoryFor()));
// the mixinOnlyValidator is only added if the config property is set.
switch (domainServiceFacet.getNatureOfService()) {
case VIEW:
mixinOnlyValidator.addFailure(
"%s: menu/contributed services (nature == VIEW) are prohibited ('%s' config property); convert into a mixin (@Mixin annotation) instead",
cls.getName(), ISIS_REFLECTOR_VALIDATOR_MIXINS_ONLY_KEY);
break;
case VIEW_CONTRIBUTIONS_ONLY:
mixinOnlyValidator.addFailure(
"%s: contributed services (nature == VIEW_CONTRIBUTIONS_ONLY) are prohibited ('%s' config property); convert into a mixin (@Mixin annotation) instead",
cls.getName(), ISIS_REFLECTOR_VALIDATOR_MIXINS_ONLY_KEY);
break;
}
}
@Override
public void refineMetaModelValidator(final MetaModelValidatorComposite metaModelValidator, final IsisConfiguration configuration) {
final boolean serviceActionsOnly = configuration.getBoolean(
ISIS_REFLECTOR_VALIDATOR_SERVICE_ACTIONS_ONLY_KEY,
ISIS_REFLECTOR_VALIDATOR_SERVICE_ACTIONS_ONLY_DEFAULT);
if (serviceActionsOnly) {
metaModelValidator.add(new MetaModelValidatorVisiting(new MetaModelValidatorVisiting.Visitor() {
@Override
public boolean visit(final ObjectSpecification thisSpec, final ValidationFailures validationFailures) {
validate(thisSpec, validationFailures);
return true;
}
private void validate(
final ObjectSpecification thisSpec,
final ValidationFailures validationFailures) {
if(!thisSpec.containsFacet(DomainServiceFacet.class)) {
return;
}
final List<String> associationNames = Lists.newArrayList();
final List<ObjectAssociation> associations = thisSpec.getAssociations(Contributed.EXCLUDED);
for (ObjectAssociation association: associations) {
final String associationName = association.getName();
// it's okay to have an "association" called "Id" (corresponding to getId() method)
if("Id".equalsIgnoreCase(associationName)) {
continue;
}
associationNames.add(associationName);
}
if(associationNames.isEmpty()) {
return;
}
validationFailures.add(
"%s: services can only have actions ('%s' config property), not properties or collections; annotate with @Programmatic if required. Found: %s",
thisSpec.getFullIdentifier(),
ISIS_REFLECTOR_VALIDATOR_SERVICE_ACTIONS_ONLY_KEY,
Joiner.on(", ").join(associationNames));
}
}));
}
boolean mixinsOnly = configuration.getBoolean(
ISIS_REFLECTOR_VALIDATOR_MIXINS_ONLY_KEY,
ISIS_REFLECTOR_VALIDATOR_MIXINS_ONLY_DEFAULT);
if (mixinsOnly) {
metaModelValidator.add(mixinOnlyValidator);
}
}
}