001/*
002 * (C) Copyright 2006-2016 Nuxeo SA (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 *     Miguel Nixo
018 */
019package org.nuxeo.ecm.platform.threed.importer;
020
021import static org.nuxeo.ecm.platform.threed.ThreeDConstants.SUPPORTED_EXTENSIONS;
022import static org.nuxeo.ecm.platform.threed.ThreeDConstants.THREED_TYPE;
023
024import java.io.IOException;
025import java.util.zip.ZipEntry;
026import java.util.zip.ZipInputStream;
027
028import org.nuxeo.common.utils.FileUtils;
029import org.nuxeo.ecm.core.api.Blob;
030import org.nuxeo.ecm.core.api.CoreSession;
031import org.nuxeo.ecm.core.api.DocumentModel;
032import org.nuxeo.ecm.core.api.PathRef;
033import org.nuxeo.ecm.core.api.pathsegment.PathSegmentService;
034import org.nuxeo.ecm.platform.filemanager.api.FileImporterContext;
035import org.nuxeo.ecm.platform.filemanager.service.extension.AbstractFileImporter;
036import org.nuxeo.ecm.platform.filemanager.utils.FileManagerUtils;
037import org.nuxeo.runtime.api.Framework;
038
039public class ThreeDImporter extends AbstractFileImporter {
040    public static final String MIMETYPE_ZIP = "application/zip";
041
042    @Override
043    public DocumentModel createOrUpdate(FileImporterContext context) throws IOException {
044        CoreSession session = context.getSession();
045        Blob blob = context.getBlob();
046        boolean isThreeD = SUPPORTED_EXTENSIONS.contains(FileUtils.getFileExtension(blob.getFilename()));
047        boolean isZipThreeD = MIMETYPE_ZIP.equals(blob.getMimeType());
048        String title = null;
049        if (isZipThreeD) {
050            title = getModelFilename(blob);
051            isZipThreeD = title != null;
052        }
053
054        if (!(isThreeD || isZipThreeD)) {
055            return null;
056        }
057
058        String path = context.getParentPath();
059        DocumentModel container = session.getDocument(new PathRef(path));
060        String docType = getDocType(container);
061        if (docType == null) {
062            docType = getDefaultDocType();
063        }
064        if (isThreeD) {
065            title = FileManagerUtils.fetchTitle(blob.getFilename());
066        }
067        DocumentModel doc = session.createDocumentModel(docType);
068        doc.setPropertyValue("dc:title", title);
069        PathSegmentService pss = Framework.getService(PathSegmentService.class);
070        doc.setPathInfo(path, pss.generatePathSegment(doc));
071        updateDocument(doc, blob);
072        doc = session.createDocument(doc);
073        session.save();
074        return doc;
075    }
076
077    protected String getModelFilename(final Blob zipContent) throws IOException {
078        /* Extract ZIP contents */
079        ZipEntry zipEntry;
080        String threeDFilename = null;
081        try (ZipInputStream zipInputStream = new ZipInputStream(zipContent.getStream())) {
082            while ((zipEntry = zipInputStream.getNextEntry()) != null) {
083                // skip if the entry is a directory, if it's not a supported extension or if it's hidden (by convention)
084                boolean isSupported = SUPPORTED_EXTENSIONS.contains(FileUtils.getFileExtension(zipEntry.getName()));
085                if (zipEntry.isDirectory() || !isSupported || zipEntry.getName().startsWith(".")) {
086                    continue;
087                }
088                threeDFilename = FileManagerUtils.fetchTitle(zipEntry.getName());
089                break;
090            }
091        }
092        return threeDFilename;
093    }
094
095    @Override
096    public String getDefaultDocType() {
097        return THREED_TYPE;
098    }
099
100    @Override
101    public boolean isOverwriteByTitle() {
102        return true;
103    }
104
105}