001/*
002 * (C) Copyright 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 git lat
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 *     Andre Justo
018 */
019
020package org.nuxeo.ecm.platform.preview.adapter;
021
022import org.nuxeo.ecm.core.api.Blob;
023import org.nuxeo.ecm.core.api.Blobs;
024import org.nuxeo.ecm.core.api.DocumentModel;
025import org.nuxeo.ecm.platform.preview.api.PreviewException;
026import org.nuxeo.ecm.platform.web.common.vh.VirtualHostHelper;
027
028import java.util.ArrayList;
029import java.util.Arrays;
030import java.util.List;
031
032/**
033 * @since 8.2
034 */
035public class VideoPreviewer extends AbstractPreviewer implements MimeTypePreviewer {
036
037    public List<Blob> getPreview(Blob blob, DocumentModel dm) throws PreviewException {
038        List<Blob> blobs = Arrays.asList(blob);
039        return buildPreview(blobs, dm);
040    }
041
042    protected List<Blob> buildPreview(List<Blob> blobs, DocumentModel dm) {
043        List<Blob> blobResults = new ArrayList<>();
044        String basePath = VirtualHostHelper.getContextPathProperty();
045        StringBuffer html = new StringBuffer();
046        html.append("<html><head>");
047        html.append("<title>" + getPreviewTitle(dm) + "</title>");
048        html.append(String.format(
049                "<script src=\"%s/bower_components/webcomponentsjs/webcomponents-lite.js\"></script>", basePath));
050        html.append(String.format("<link rel=\"import\" href=\"%s/viewers/nuxeo-video-viewer.vulcanized.html\">",
051                basePath));
052        html.append("<nuxeo-video-viewer controls>");
053        for (Blob blob : blobs) {
054            html.append(String.format("<source src=\"%s\" type=\"%s\" />", blob.getFilename(), blob.getMimeType()));
055            blobResults.add(blob);
056        }
057        html.append("</nuxeo-video-viewer>");
058        html.append("</body>");
059        Blob mainBlob = Blobs.createBlob(html.toString(), "text/html", null, "index.html");
060        blobResults.add(0, mainBlob);
061        return blobResults;
062    }
063}