/*
* 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.progmodel.facets.param.validate.perspec;
import java.util.List;
import org.apache.isis.applib.events.ValidityEvent;
import org.apache.isis.applib.spec.Specification;
import org.apache.isis.applib.util.ReasonBuffer;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.facetapi.Facet;
import org.apache.isis.core.metamodel.facetapi.FacetAbstract;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.interactions.ProposedHolder;
import org.apache.isis.core.metamodel.interactions.ValidatingInteractionAdvisor;
import org.apache.isis.core.metamodel.interactions.ValidityContext;
public class MustSatisfySpecificationOnParameterFacet extends FacetAbstract implements ValidatingInteractionAdvisor {
public static Class<? extends Facet> type() {
return MustSatisfySpecificationOnParameterFacet.class;
}
private final List<Specification> specifications;
public MustSatisfySpecificationOnParameterFacet(final List<Specification> specifications, final FacetHolder holder) {
super(type(), holder, false);
this.specifications = specifications;
}
@Override
public String invalidates(final ValidityContext<? extends ValidityEvent> validityContext) {
if (!(validityContext instanceof ProposedHolder)) {
return null;
}
final ProposedHolder proposedHolder = (ProposedHolder) validityContext;
final ObjectAdapter targetNO = proposedHolder.getProposed();
final Object targetObject = targetNO.getObject();
final ReasonBuffer buf = new ReasonBuffer();
for (final Specification specification : specifications) {
buf.append(specification.satisfies(targetObject));
}
return buf.getReason();
}
}