001/*
002 * (C) Copyright 2017 Nuxeo (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Guillaume Renard <[email protected]>
018 */
019package org.nuxeo.ecm.platform.rendition.adapter;
020
021import java.io.Serializable;
022import java.util.Calendar;
023import java.util.Map;
024
025import org.nuxeo.ecm.core.api.Blob;
026import org.nuxeo.ecm.core.api.DocumentModel;
027import org.nuxeo.ecm.core.api.blobholder.AbstractBlobHolder;
028import org.nuxeo.ecm.platform.rendition.Rendition;
029import org.nuxeo.ecm.platform.rendition.service.RenditionService;
030import org.nuxeo.runtime.api.Framework;
031
032/**
033 * Blob holder able to return the blob of a document default rendition. See
034 * {RenditionService#getDefaultRendition(DocumentModel, String, Map<String, Serializable>)}
035 *
036 * @since 9.3
037 */
038public class DownloadBlobHolder extends AbstractBlobHolder {
039
040    protected final DocumentModel doc;
041
042    public DownloadBlobHolder(DocumentModel doc) {
043        this.doc = doc;
044    }
045
046    @Override
047    public Serializable getProperty(String name) {
048        return null;
049    }
050
051    @Override
052    public Map<String, Serializable> getProperties() {
053        return null;
054    }
055
056    @Override
057    public Blob getBlob() {
058        Rendition rendition = Framework.getService(RenditionService.class).getDefaultRendition(doc, "download",
059                null);
060        return rendition != null ? rendition.getBlob() : null;
061    }
062
063    @Override
064    protected String getBasePath() {
065        return doc.getPathAsString();
066    }
067
068    @Override
069    public Calendar getModificationDate() {
070        return (Calendar) doc.getPropertyValue("dc:modified");
071    }
072
073}