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 org.nuxeo.common.utils.FileUtils;
022import org.nuxeo.ecm.core.api.Blob;
023import org.nuxeo.ecm.core.api.CoreSession;
024import org.nuxeo.ecm.core.api.DocumentModel;
025import org.nuxeo.ecm.core.api.PathRef;
026import org.nuxeo.ecm.core.api.pathsegment.PathSegmentService;
027import org.nuxeo.ecm.platform.filemanager.service.extension.AbstractFileImporter;
028import org.nuxeo.ecm.platform.filemanager.utils.FileManagerUtils;
029import org.nuxeo.ecm.platform.types.TypeManager;
030import org.nuxeo.runtime.api.Framework;
031
032import java.io.IOException;
033import java.util.zip.ZipEntry;
034import java.util.zip.ZipInputStream;
035
036import static org.nuxeo.ecm.platform.threed.ThreeDConstants.*;
037
038public class ThreeDImporter extends AbstractFileImporter {
039    public static final String MIMETYPE_ZIP = "application/zip";
040
041    public DocumentModel create(CoreSession session, Blob content, String path, boolean overwrite, String fullname,
042            TypeManager typeService) throws IOException {
043
044        boolean isThreeD = SUPPORTED_EXTENSIONS.contains(FileUtils.getFileExtension(content.getFilename()));
045        boolean isZipThreeD = MIMETYPE_ZIP.equals(content.getMimeType());
046        String title = null;
047        if (isZipThreeD) {
048            title = getModelFilename(content);
049            isZipThreeD = title != null;
050        }
051
052        if (!(isThreeD || isZipThreeD)) {
053            return null;
054        }
055        DocumentModel container = session.getDocument(new PathRef(path));
056        String docType = getDocType(container);
057        if (docType == null) {
058            docType = getDefaultDocType();
059        }
060        if (isThreeD) {
061            title = FileManagerUtils.fetchTitle(content.getFilename());
062        }
063        DocumentModel doc = session.createDocumentModel(docType);
064        doc.setPropertyValue("dc:title", title);
065        PathSegmentService pss = Framework.getService(PathSegmentService.class);
066        doc.setPathInfo(path, pss.generatePathSegment(doc));
067        updateDocument(doc, content);
068        doc = session.createDocument(doc);
069        session.save();
070        return doc;
071    }
072
073    protected String getModelFilename(final Blob zipContent) throws IOException {
074        /* Extract ZIP contents */
075        ZipEntry zipEntry;
076        ZipInputStream zipInputStream = null;
077        String threeDFilename = null;
078        try {
079            zipInputStream = new ZipInputStream(zipContent.getStream());
080            while ((zipEntry = zipInputStream.getNextEntry()) != null) {
081                if (!zipEntry.isDirectory()) {
082                    if (SUPPORTED_EXTENSIONS.contains(FileUtils.getFileExtension(zipEntry.getName()))) {
083                        threeDFilename = FileManagerUtils.fetchTitle(zipEntry.getName());
084                        break;
085                    }
086                }
087            }
088        } finally {
089            try {
090                if (zipInputStream != null) {
091                    zipInputStream.close();
092                }
093            } catch (IOException e) {
094                e.printStackTrace();
095            }
096        }
097        return threeDFilename;
098    }
099
100    @Override
101    public String getDefaultDocType() {
102        return THREED_TYPE;
103    }
104
105    @Override
106    public boolean isOverwriteByTitle() {
107        return true;
108    }
109
110}