PublishedObjectFacetAbstract.java

/*
 *  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.object.publishedobject;

import org.apache.isis.applib.annotation.PublishedObject;
import org.apache.isis.applib.annotation.PublishingPayloadFactoryForObject;
import org.apache.isis.core.metamodel.facetapi.Facet;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facets.SingleValueFacetAbstract;

public abstract class PublishedObjectFacetAbstract extends SingleValueFacetAbstract<PublishedObject.PayloadFactory> implements PublishedObjectFacet {

    public static Class<? extends Facet> type() {
        return PublishedObjectFacet.class;
    }

    public PublishedObjectFacetAbstract(
            final PublishedObject.PayloadFactory payloadFactory,
            final FacetHolder holder) {
        super(  type(),
                payloadFactory != null
                        ? payloadFactory
                        : new PublishedObjectPayloadFactoryDefault(),
                holder);
    }

    protected PublishedObjectFacetAbstract(
            final PublishingPayloadFactoryForObject publishingPayloadFactory,
            final FacetHolder holder) {
        this(legacyPayloadFactoryFor(publishingPayloadFactory), holder);
    }

    static PublishedObject.PayloadFactory legacyPayloadFactoryFor(final PublishingPayloadFactoryForObject publishingPayloadFactory) {
        if(publishingPayloadFactory == null) {
            return null;
        }
        if(publishingPayloadFactory instanceof PublishingPayloadFactoryForObject.Adapter) {
            final PublishingPayloadFactoryForObject.Adapter adapter = (PublishingPayloadFactoryForObject.Adapter) publishingPayloadFactory;
            return adapter.getPayloadFactory();
        }
        return new PublishedObjectPayloadFactoryDefault(publishingPayloadFactory);
    }

}