001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *        http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 */
019
020package org.apache.isis.core.progmodel.facets.param.choices;
021
022import org.apache.isis.core.metamodel.adapter.mgr.AdapterManager;
023import org.apache.isis.core.metamodel.facetapi.Facet;
024import org.apache.isis.core.metamodel.facetapi.FacetAbstract;
025import org.apache.isis.core.metamodel.facetapi.FacetHolder;
026import org.apache.isis.core.metamodel.facets.param.choices.ActionParameterChoicesFacet;
027import org.apache.isis.core.metamodel.spec.ObjectSpecification;
028import org.apache.isis.core.metamodel.spec.SpecificationLoader;
029
030public abstract class ActionParameterChoicesFacetAbstract extends FacetAbstract implements ActionParameterChoicesFacet {
031
032    public static Class<? extends Facet> type() {
033        return ActionParameterChoicesFacet.class;
034    }
035
036    private final SpecificationLoader specificationLookup;
037    private final AdapterManager adapterManager;
038
039    public ActionParameterChoicesFacetAbstract(final FacetHolder holder, final SpecificationLoader specificationLookup, final AdapterManager adapterManager) {
040        super(type(), holder, Derivation.NOT_DERIVED);
041        this.specificationLookup = specificationLookup;
042        this.adapterManager = adapterManager;
043    }
044
045    protected ObjectSpecification getSpecification(final Class<?> type) {
046        return type != null ? getSpecificationLookup().loadSpecification(type) : null;
047    }
048
049    // /////////////////////////////////////////////////////////
050    // Dependencies
051    // /////////////////////////////////////////////////////////
052
053    protected SpecificationLoader getSpecificationLookup() {
054        return specificationLookup;
055    }
056
057    protected AdapterManager getAdapterManager() {
058        return adapterManager;
059    }
060
061}