/*
* 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.actions.action;
import java.util.List;
import org.apache.isis.core.commons.config.IsisConfiguration;
import org.apache.isis.core.metamodel.facetapi.FeatureType;
import org.apache.isis.core.metamodel.facetapi.MetaModelValidatorRefiner;
import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
import org.apache.isis.core.metamodel.facets.param.autocomplete.ActionParameterAutoCompleteFacet;
import org.apache.isis.core.metamodel.facets.param.choices.ActionParameterChoicesFacet;
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.ObjectAction;
import org.apache.isis.core.metamodel.spec.feature.ObjectActionParameter;
import org.apache.isis.core.metamodel.specloader.specimpl.ObjectActionContributee;
import org.apache.isis.core.metamodel.specloader.specimpl.ObjectActionMixedIn;
import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidator;
import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorComposite;
import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting;
import org.apache.isis.core.metamodel.specloader.validator.ValidationFailures;
/**
* Ensures that every action that has a collection parameter has a choices facet for that parameter.
*/
public class ActionChoicesForCollectionParameterFacetFactory extends FacetFactoryAbstract
implements MetaModelValidatorRefiner {
public static final String ISIS_REFLECTOR_VALIDATOR_ACTION_COLLECTION_PARAMETER_CHOICES_KEY =
"isis.reflector.validator.actionCollectionParameterChoices";
public static final boolean ISIS_REFLECTOR_VALIDATOR_ACTION_COLLECTION_PARAMETER_CHOICES_DEFAULT = true;
public ActionChoicesForCollectionParameterFacetFactory() {
super(FeatureType.ACTIONS_ONLY);
}
@Override
public void process(final ProcessMethodContext processMethodContext) {
// no-op here... just adding a validator
}
@Override
public void refineMetaModelValidator(final MetaModelValidatorComposite metaModelValidator, final IsisConfiguration configuration) {
final boolean doCheck = configuration.getBoolean(
ISIS_REFLECTOR_VALIDATOR_ACTION_COLLECTION_PARAMETER_CHOICES_KEY,
ISIS_REFLECTOR_VALIDATOR_ACTION_COLLECTION_PARAMETER_CHOICES_DEFAULT);
if(!doCheck) {
return;
}
final MetaModelValidator validator = new MetaModelValidatorVisiting(
new MetaModelValidatorVisiting.Visitor() {
@Override
public boolean visit(
final ObjectSpecification objectSpec,
final ValidationFailures validationFailures) {
validate(objectSpec, validationFailures);
return true;
}
private void validate(
final ObjectSpecification objectSpec,
final ValidationFailures validationFailures) {
List<ObjectAction> objectActions = objectSpec.getObjectActions(Contributed.INCLUDED);
for (ObjectAction objectAction : objectActions) {
if(objectAction instanceof ObjectActionMixedIn || objectAction instanceof ObjectActionContributee) {
// we'll report only the mixin or contributor
continue;
}
List<ObjectActionParameter> parameters = objectAction.getParameters();
for (int paramNum = 0; paramNum < parameters.size(); paramNum++) {
ObjectActionParameter parameter = parameters.get(paramNum);
if(parameter.getFeatureType() == FeatureType.ACTION_PARAMETER_COLLECTION) {
validate(objectSpec, objectAction, parameter, paramNum, validationFailures);
}
}
}
}
private void validate(
final ObjectSpecification objectSpec,
final ObjectAction objectAction,
final ObjectActionParameter parameter,
final int paramNum,
final ValidationFailures validationFailures) {
final ActionParameterChoicesFacet choicesFacet =
parameter.getFacet(ActionParameterChoicesFacet.class);
final ActionParameterAutoCompleteFacet autoCompleteFacet =
parameter.getFacet(ActionParameterAutoCompleteFacet.class);
if(choicesFacet == null && autoCompleteFacet == null) {
validationFailures.add(
"Collection action parameter found without supporting "
+ "choices or autoComplete facet. "
+ "Class: %s action: %s parameter %d",
objectSpec.getFullIdentifier(), objectAction.getName(), paramNum);
}
}
});
metaModelValidator.add(validator);
}
}