001/*
002 * Licensed to DuraSpace under one or more contributor license agreements.
003 * See the NOTICE file distributed with this work for additional information
004 * regarding copyright ownership.
005 *
006 * DuraSpace licenses this file to you under the Apache License,
007 * Version 2.0 (the "License"); you may not use this file except in
008 * compliance 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, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.fcrepo.kernel.modeshape.identifiers;
019
020import static org.fcrepo.kernel.modeshape.utils.FedoraTypesUtils.getJcrNode;
021
022import com.google.common.base.Converter;
023import org.apache.jena.rdf.model.Resource;
024import org.fcrepo.kernel.api.models.FedoraResource;
025import org.fcrepo.kernel.modeshape.NonRdfSourceDescriptionImpl;
026import org.fcrepo.kernel.modeshape.FedoraBinaryImpl;
027import org.fcrepo.kernel.modeshape.ContainerImpl;
028import org.fcrepo.kernel.modeshape.TombstoneImpl;
029
030import javax.jcr.Node;
031
032/**
033 * @author cabeer
034 * @since 10/15/14
035 */
036public class NodeResourceConverter extends Converter<Node, FedoraResource> {
037    public static final NodeResourceConverter nodeConverter = new NodeResourceConverter();
038
039    /**
040     * Get a converter that can transform a Node to a Resource
041     * @param c the given node
042     * @return the converter that can transform a node to resource
043     */
044    public static Converter<Node, Resource> nodeToResource(final Converter<Resource, FedoraResource> c) {
045        return nodeConverter.andThen(c.reverse());
046    }
047
048    @Override
049    protected FedoraResource doForward(final Node node) {
050
051        final FedoraResource fedoraResource;
052
053        if (NonRdfSourceDescriptionImpl.hasMixin(node)) {
054            fedoraResource = new NonRdfSourceDescriptionImpl(node);
055        } else if (FedoraBinaryImpl.hasMixin(node)) {
056            fedoraResource = new FedoraBinaryImpl(node);
057        } else if (TombstoneImpl.hasMixin(node)) {
058            fedoraResource = new TombstoneImpl(node);
059        } else {
060            fedoraResource = new ContainerImpl(node);
061        }
062
063        return fedoraResource;
064    }
065
066    @Override
067    protected Node doBackward(final FedoraResource resource) {
068        return getJcrNode(resource);
069    }
070}