/*
* 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
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package org.apache.isis.core.progmodel.facets.param.choices.enums;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.adapter.map.AdapterMap;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facets.TypedHolder;
import org.apache.isis.core.metamodel.facets.choices.ChoicesFacet;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.core.metamodel.spec.SpecificationLookup;
import org.apache.isis.core.progmodel.facets.param.choices.ActionParameterChoicesFacetAbstract;
public class ActionParameterChoicesFacetDerivedFromChoicesFacet extends ActionParameterChoicesFacetAbstract {
public ActionParameterChoicesFacetDerivedFromChoicesFacet(final FacetHolder holder,
final SpecificationLookup specificationLookup, final AdapterMap adapterManager) {
super(holder, specificationLookup, adapterManager);
}
@Override
public Object[] getChoices(final ObjectAdapter adapter) {
final FacetHolder facetHolder = getFacetHolder();
final TypedHolder paramPeer = (TypedHolder) facetHolder;
final ObjectSpecification noSpec = getSpecification(paramPeer.getType());
final ChoicesFacet choicesFacet = noSpec.getFacet(ChoicesFacet.class);
if (choicesFacet == null) {
return new Object[0];
}
return choicesFacet.getChoices(adapter);
}
}