001/* 002 * (C) Copyright 2015 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 * Thomas Roger 018 */ 019 020package org.nuxeo.ecm.platform.video.rendition; 021 022import java.util.Collections; 023import java.util.List; 024 025import org.nuxeo.ecm.core.api.Blob; 026import org.nuxeo.ecm.core.api.DocumentModel; 027import org.nuxeo.ecm.platform.rendition.extension.RenditionProvider; 028import org.nuxeo.ecm.platform.rendition.service.RenditionDefinition; 029import org.nuxeo.ecm.platform.video.TranscodedVideo; 030import org.nuxeo.ecm.platform.video.VideoDocument; 031 032/** 033 * Provides a rendition based on a transcoded video 034 * (referenced through the rendition definition name). 035 * 036 * @since 7.2 037 */ 038public class VideoRenditionProvider implements RenditionProvider { 039 040 @Override 041 public boolean isAvailable(DocumentModel doc, RenditionDefinition definition) { 042 VideoDocument videoDocument = doc.getAdapter(VideoDocument.class); 043 if (videoDocument == null) { 044 return false; 045 } 046 047 TranscodedVideo transcodedVideo = videoDocument.getTranscodedVideo(definition.getName()); 048 return transcodedVideo != null && transcodedVideo.getBlob() != null; 049 } 050 051 @Override 052 public List<Blob> render(DocumentModel doc, RenditionDefinition definition) { 053 VideoDocument videoDocument = doc.getAdapter(VideoDocument.class); 054 if (videoDocument == null) { 055 return Collections.emptyList(); 056 } 057 058 TranscodedVideo transcodedVideo = videoDocument.getTranscodedVideo(definition.getName()); 059 if (transcodedVideo != null) { 060 return Collections.singletonList(transcodedVideo.getBlob()); 061 } 062 return Collections.emptyList(); 063 } 064}