Java tutorial
/*************************************************************************** * The Lecture2Go software is based on the liferay portal 6.1.1 * <http://www.liferay.com> * * Lecture2Go <http://lecture2go.uni-hamburg.de> is an open source * platform for media management and distribution. Our goal is to * support the free access to knowledge because this is a component * of each democratic society. The open source software is aimed at * academic institutions and has to strengthen the blended learning. * * All Lecture2Go plugins are continuously being developed and improved. * For more details please visit <http://lecture2go-open-source.rrz.uni-hamburg.de> * * @Autor Lecture2Go Team * @Version 1.0 * @Contact lecture2go-open-source@uni-hamburg.de * * Copyright (c) 2013 University of Hamburg / Computer and Data Center (RRZ) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. ***************************************************************************/ package de.uhh.l2g.controller; import java.io.File; import java.io.IOException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; import java.util.List; import java.util.Locale; import javax.portlet.ActionRequest; import javax.portlet.ActionResponse; import javax.portlet.PortletRequest; import javax.xml.stream.XMLStreamException; import org.apache.commons.fileupload.portlet.PortletFileUpload; import org.springframework.beans.factory.xml.XmlBeanFactory; import org.springframework.validation.BindException; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.portlet.bind.PortletRequestUtils; import org.springframework.web.portlet.mvc.SimpleFormController; import de.uhh.l2g.beans.Host; import de.uhh.l2g.beans.Lectureseries; import de.uhh.l2g.beans.Mark; import de.uhh.l2g.beans.Metadata; import de.uhh.l2g.beans.Producer; import de.uhh.l2g.beans.Upload; import de.uhh.l2g.beans.Video; import de.uhh.l2g.dao.HostDao; import de.uhh.l2g.dao.LectureseriesDao; import de.uhh.l2g.dao.MetadataDao; import de.uhh.l2g.dao.ProducerDao; import de.uhh.l2g.dao.SegmentDao; import de.uhh.l2g.dao.UploadDao; import de.uhh.l2g.dao.VideoDao; import de.uhh.l2g.model.ProducerVideoDataInputEditModel; import de.uhh.l2g.upload.MyCommonsPortletMultipartResolver; import de.uhh.l2g.util.FFmpegManager; import de.uhh.l2g.util.Htaccess; import de.uhh.l2g.util.L2goPropsUtil; import de.uhh.l2g.util.ProzessManager; import de.uhh.l2g.util.Security; import de.uhh.l2g.util.StaxToXPathProperties; import de.uhh.l2g.util.TarExtraktor; /** * The Class ProducerVideoDataInputEditController. */ public class ProducerVideoDataInputEditController extends SimpleFormController { /** The my commons portlet multipart resolver. */ private MyCommonsPortletMultipartResolver myCommonsPortletMultipartResolver; /** * Gets the my commons portlet multipart resolver. * * @return the my commons portlet multipart resolver */ public MyCommonsPortletMultipartResolver getMyCommonsPortletMultipartResolver() { return myCommonsPortletMultipartResolver; } /** * Sets the my commons portlet multipart resolver. * * @param myCommonsPortletMultipartResolver the new my commons portlet multipart resolver */ public void setMyCommonsPortletMultipartResolver( MyCommonsPortletMultipartResolver myCommonsPortletMultipartResolver) { this.myCommonsPortletMultipartResolver = myCommonsPortletMultipartResolver; } /** The utility bean factory. */ private XmlBeanFactory utilityBeanFactory; /** * Gets the utility bean factory. * * @return the utility bean factory */ public XmlBeanFactory getUtilityBeanFactory() { return utilityBeanFactory; } /** * Sets the utility bean factory. * * @param utilityBeanFactory the new utility bean factory */ public void setUtilityBeanFactory(XmlBeanFactory utilityBeanFactory) { this.utilityBeanFactory = utilityBeanFactory; } /** The dao bean factory. */ private XmlBeanFactory daoBeanFactory; /** * Gets the dao bean factory. * * @return the dao bean factory */ public XmlBeanFactory getDaoBeanFactory() { return daoBeanFactory; } /** * Sets the dao bean factory. * * @param beanFactory the new dao bean factory */ public void setDaoBeanFactory(XmlBeanFactory beanFactory) { this.daoBeanFactory = beanFactory; } /* (non-Javadoc) * @see org.springframework.web.portlet.mvc.SimpleFormController#onSubmitAction(javax.portlet.ActionRequest, javax.portlet.ActionResponse, java.lang.Object, org.springframework.validation.BindException) */ /** * On submit action. * * @param request the request * @param response the response * @param command the command * @param errors the errors */ @Override protected void onSubmitAction(ActionRequest request, ActionResponse response, Object command, BindException errors) { ProducerVideoDataInputEditModel model = (ProducerVideoDataInputEditModel) command; // upload -- enctype="multipart/form-data" if (PortletFileUpload.isMultipartContent(request)) doUpload(request, response, model); // delete requested files String action = PortletRequestUtils.getStringParameter(request, "action", ""); Integer vidId = PortletRequestUtils.getIntParameter(request, "videoId", 0); // update video-object for model // here get video object List<Video> videoList = ((VideoDao) getDaoBeanFactory().getBean("videoDao")).getById(vidId); Video video = videoList.iterator().next(); // -- video object end try { // delete video request if (action.equals("deleteVideo")) { deleteMp3(model); model.setMp3File(null); deleteM4v(model); model.setM4vFile(null); deletePdf(model); model.setPdfFile(null); deleteM4a(model); model.setM4aFile(null); deleteTar(model); // has to be at the and deleteVideo(model); } // delete mp3 request if (action.equals("deleteMp3")) { deleteMp3(model); model.setMp3File(null); } // delete m4v request if (action.equals("deleteM4v")) { deleteM4v(model); model.setM4vFile(null); } // delete m4a request if (action.equals("deleteM4a")) { deleteM4a(model); model.setM4aFile(null); } // delete pdf request if (action.equals("deletePdf")) { deletePdf(model); model.setPdfFile(null); } // upload request if (action.equals("upload")) { // check for mp3 or mp4 file // here update mp3-file in model try { if (video.getMp3File().isFile()) model.setMp3File(video.getMp3File().toString()); } catch (NullPointerException npe) { } // update model model.setVideo(video); model.setURL(null); } } catch (Exception e) { } } /** * Update ffmpeg metadata. * * @param video the video * @param model the model * @throws IOException Signals that an I/O exception has occurred. */ private void updateFfmpegMetadata(Video video, ProducerVideoDataInputEditModel model) throws IOException { Host host = model.getHost(); Producer producer = model.getProducer(); // FFMPEG try { String videopfad = ""; if (video.isOpenaccess()) videopfad = L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getName() + "/" + producer.getHomeDir() + "/" + video.getFilename(); else videopfad = L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getName() + "/" + producer.getHomeDir() + "/" + video.getSecureFilename(); FFmpegManager ffmpegp = new FFmpegManager(videopfad); video.setDuration(ffmpegp.getVideoDuration()); video.setResolution(ffmpegp.getVideoResolution()); video.setBitrate(ffmpegp.getVideoBitRate()); video.setFileSize(new File(videopfad).length()); ((VideoDao) getDaoBeanFactory().getBean("videoDao")).updateById(video.getTitle(), video.getTags(), video.getLectureseriesId(), video.getEigentuemerId(), video.getProducerId(), video.getContainerFormat(), video.getFilename(), video.getResolution(), video.getDuration(), video.getHostId(), video.getTextId(), video.getFileSize(), video.getGenerationDate(), video.isOpenaccess(), video.isDownloadAllawed(), video.getMetadataId(), video.getSecureFilename(), video.getHits(), video.isPermittedToSegment(), video.getFacilityId(), video.getCitation2go(), video.getId()); } catch (NullPointerException npe) { } } /** * Gets the upload date. * * @return the upload date */ private final Date getUploadDate() { //actual time zone from geografical location Calendar c = new GregorianCalendar(Locale.getDefault()); return c.getTime(); } /** * Do upload. * * @param request the request * @param response the response * @param model the model * @throws NullPointerException the null pointer exception */ private void doUpload(ActionRequest request, ActionResponse response, ProducerVideoDataInputEditModel model) throws NullPointerException { File destination = null; String fileDestPhad = ""; // upload this file to the user home desitation try { Producer producer = model.getProducer(); Video video = model.getVideo(); Host host = model.getHost(); // pick the multipart file content data MultipartFile file = model.getContactFile(); // get the producers home directory String producerHomeDir = producer.getHomeDir(); // Current Path for the current User String tmpath = L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getServerRoot() + "/" + producer.getHomeDir() + "/"; // get the original file name String originalFileName = file.getOriginalFilename(); originalFileName = replaceBadCharacters(originalFileName); // upload ############ if mp4 upload or tar // the upload-file has to end on 'mp4' or 'mp3' or 'm4v' or 'm4a' or // pdf String[] p = originalFileName.split("\\."); int l = p.length; l--; String fileFormat = p[l].toLowerCase(); /**rename start**/ String[] parameter = originalFileName.split("\\_"); // the parameter array length has to be 4, // if not -> this is not l2go upload // so, have to rename SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd_HH-mm"); String newDate = format.format(getUploadDate()).toString(); if (parameter.length != 4) originalFileName = model.getLectureseries().getNumber() + "_" + model.getMetadata().getCreator() + "_" + newDate + "." + fileFormat; originalFileName = replaceBadCharacters(originalFileName); //now reset the parameter array from above parameter = originalFileName.split("\\_"); /**rename end**/ if ((fileFormat.equalsIgnoreCase("mp4") || fileFormat.equalsIgnoreCase("tar") || fileFormat.equalsIgnoreCase("mp3")) && (video.getFilename() == null)) { // build the filename without file format String[] ofn = originalFileName.split("\\_"); String filename = ofn[0] + "_" + ofn[1] + "_" + ofn[2] + "_" + ofn[3].split("\\.")[0]; // extract time and date from the originalFileName // the upload-file has to end on 'mp4' or 'mp3' or 'm4v' or flv String parameter4 = parameter[3]; // check parameter 3 - this is the date String l2gDate = parameter[2]; // and parameter 4 - this is the time String l2gTime = parameter4.split("\\.")[0]; String generationDate = l2gDate + "_" + l2gTime; // does filename exists in the DB? if (((VideoDao) getDaoBeanFactory().getBean("videoDao")).filenameExists(filename) && !fileFormat.equalsIgnoreCase("tar")) // check // only for mp4 and mp3 filename = ofn[0] + "_" + ofn[1] + "-" + video.getId() + "_" + ofn[2] + "_" + ofn[3].split("\\.")[0]; // update video-database, only if mp4 or tar or mp3 - this is the first upload if (fileFormat.equalsIgnoreCase("mp4") || fileFormat.equalsIgnoreCase("tar") || fileFormat.equalsIgnoreCase("mp3")) { // update the data row for this file-> set the new original // filename in the url field from the database table if (fileFormat.equalsIgnoreCase("mp3")) video.setFilename(filename + ".mp3"); else video.setFilename(filename + ".mp4"); // and save the extracted date and time in the database video.setGenerationDate(generationDate); String secfilename = Security.createSecureFileName(); if (fileFormat.equalsIgnoreCase("mp4")) secfilename = secfilename + ".mp4"; if (fileFormat.equalsIgnoreCase("mp3")) secfilename = secfilename + ".mp3"; if (fileFormat.equalsIgnoreCase("tar")) secfilename = secfilename + ".mp4"; ((VideoDao) getDaoBeanFactory().getBean("videoDao")).updateById(video.getTitle(), video.getTags(), video.getLectureseriesId(), video.getEigentuemerId(), video.getProducerId(), video.getContainerFormat(), video.getFilename(), video.getResolution(), video.getDuration(), producer.getHostId(), 0, // textId video.getFileSize(), // filesize video.getGenerationDate(), false, // openAccess false, // downloadLink video.getMetadataId(), // metadataId secfilename, video.getHits(), video.isPermittedToSegment(), video.getFacilityId(), video.getCitation2go(), video.getId()); ((VideoDao) getDaoBeanFactory().getBean("videoDao")).updateUploadDate(getUploadDate(), video.getId()); Video v = ((VideoDao) getDaoBeanFactory().getBean("videoDao")).getById(video.getId()).iterator() .next(); // is mp4 or tar and not openaccess if (!v.isOpenaccess()) { destination = new File(L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getName() + "/" + producerHomeDir + "/" + v.getSecureFilename()); fileDestPhad = L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getName() + "/" + producerHomeDir + "/" + v.getSPreffix(); model.setOpenAccess(false); model.setSecureUrl(v.getSecureUrl()); } else { destination = new File(L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getName() + "/" + producerHomeDir + "/" + v.getFilename()); fileDestPhad = L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getName() + "/" + producerHomeDir + "/" + v.getSPreffix(); model.setOpenAccess(true); model.setSecureUrl(null); } } } else { // update model // if mp4, mp3, m4v, pdf file upload // get the video name -> 11.123_sturm_2009-09-11_10-00 Integer vidId = new Integer(request.getParameter("videoId")); Video v = ((VideoDao) getDaoBeanFactory().getBean("videoDao")).getById(vidId).iterator().next(); if (v.isOpenaccess()) fileDestPhad = L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getName() + "/" + producerHomeDir + "/" + v.getPreffix(); else fileDestPhad = L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getName() + "/" + producerHomeDir + "/" + v.getSPreffix(); // if mp4 if (fileFormat.equalsIgnoreCase("mp4")) { ((VideoDao) getDaoBeanFactory().getBean("videoDao")).updateUploadDate(getUploadDate(), video.getId()); destination = new File(fileDestPhad + ".mp4"); } // if mp3 if (fileFormat.equalsIgnoreCase("mp3")) { destination = new File(fileDestPhad + ".mp3"); model.setMp3File(fileDestPhad + ".mp3"); } // if m4v if (fileFormat.equalsIgnoreCase("m4v")) { destination = new File(fileDestPhad + ".m4v"); model.setM4vFile(fileDestPhad + ".m4v"); } // if pdf if (fileFormat.equalsIgnoreCase("pdf")) { destination = new File(fileDestPhad + ".pdf"); model.setPdfFile(fileDestPhad + ".pdf"); } // if m4a if (fileFormat.equalsIgnoreCase("m4a")) { destination = new File(fileDestPhad + ".m4a"); model.setM4aFile(fileDestPhad + ".m4a"); } // if xml if (fileFormat.equalsIgnoreCase("xml")) destination = new File(fileDestPhad + ".xml"); } //before mp4-upload is completed, delete all thumbnails from file if (fileFormat.equalsIgnoreCase("mp4")) ((ProzessManager) getUtilityBeanFactory().getBean("prozessManager")).deleteThumbnails(video); // UPLOAD this file to the user home destination file.transferTo(destination); // change upload status after update prozess Upload upload = ((UploadDao) getDaoBeanFactory().getBean("uploadDao")).getByUserIdDesc(producer.getId()) .iterator().next(); ((UploadDao) getDaoBeanFactory().getBean("uploadDao")).updateById(upload.getId(), upload.getUserId(), upload.getContentLength(), upload.getTimestamp(), 1, video.getId()); // get updated video from DB Video uploadetVideo = ((VideoDao) getDaoBeanFactory().getBean("videoDao")).getById(video.getId()) .iterator().next(); //set container format for video uploadetVideo.setContainerFormat(fileFormat); // TAR -- unpack the tar file in the home directory and rename all files if (fileFormat.equalsIgnoreCase("tar")) { // unpack all files and rename try { String videopre = uploadetVideo.getPreffix(); String videoSpre = uploadetVideo.getSPreffix(); String tarFileName = tmpath + uploadetVideo.getSecureFilename(); File dest = new File(L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getServerRoot() + "/" + producer.getHomeDir()); // extract all files from archive TarExtraktor.untarFiles(tarFileName, dest); // get extracted files File mp4 = new File(tmpath + videopre + ".mp4"); File mp3 = new File(tmpath + videopre + ".mp3"); File m4v = new File(tmpath + videopre + ".m4v"); File m4a = new File(tmpath + videopre + ".m4a"); // rename them File smp4 = new File(tmpath + videoSpre + ".mp4"); File smp3 = new File(tmpath + videoSpre + ".mp3"); File sm4v = new File(tmpath + videoSpre + ".m4v"); File sm4a = new File(tmpath + videoSpre + ".m4a"); // do mp4.renameTo(smp4); mp3.renameTo(smp3); m4v.renameTo(sm4v); m4a.renameTo(sm4a); // delete the tar file File tar = new File(tmpath + videoSpre + ".tar"); tar.delete(); // update model model.setM4aFile(tmpath + videoSpre + ".m4a"); model.setMp3File(tmpath + videoSpre + ".mp3"); model.setM4vFile(tmpath + videoSpre + ".m4v"); //set container format for video uploadetVideo.setContainerFormat("mp4"); } catch (IOException e) { } } // update RSS try { ((ProzessManager) getUtilityBeanFactory().getBean("prozessManager")).RSS(uploadetVideo, "mp4", model); ((ProzessManager) getUtilityBeanFactory().getBean("prozessManager")).RSS(uploadetVideo, "mp3", model); ((ProzessManager) getUtilityBeanFactory().getBean("prozessManager")).RSS(uploadetVideo, "m4v", model); ((ProzessManager) getUtilityBeanFactory().getBean("prozessManager")).RSS(uploadetVideo, "m4a", model); } catch (Exception e) { } // write the htaccess String url = L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getName() + "/" + producer.getHomeDir() + "/"; String remoteUserId = request.getRemoteUser(); int remoteUId = new Integer(remoteUserId); ((Htaccess) getUtilityBeanFactory().getBean("htaccess")).makeHtaccess(url, ((VideoDao) getDaoBeanFactory().getBean("videoDao")).getLockedByProducerId(remoteUId)); // and update metadata if not xml if (!fileFormat.equalsIgnoreCase("xml")) updateFfmpegMetadata(uploadetVideo, model); // and check for xml-file try { String[] arg = new String[1]; // destination if (video.isOpenaccess()) arg[0] = L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getServerRoot() + "/" + producer.getHomeDir() + "/" + video.getFilenamePreffix() + ".xml"; else arg[0] = L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getServerRoot() + "/" + producer.getHomeDir() + "/" + video.getSecureFilename().split("\\.")[0] + ".xml"; // if XML file exists, import it to database File xml = new File(arg[0]); if (xml.isFile()) { if (this.importXmlToDatabase(arg, video)) { xml.delete(); } } } catch (NullPointerException npe) { } model.setContactFile(null); } catch (IllegalStateException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } // set current site for browsing! int currentSeite = 1; try { currentSeite = new Integer(request.getParameter("currentSeite")); } catch (Exception e) { } model.setCurrentSeite(currentSeite); } /** * Replace bad characters. * * @param originalFileName the original file name * @return the string */ private String replaceBadCharacters(String originalFileName) { originalFileName = originalFileName.replace(" ", ""); originalFileName = originalFileName.replace("", "ae"); originalFileName = originalFileName.replace("", "oe"); originalFileName = originalFileName.replace("", "ue"); originalFileName = originalFileName.replace("", "ss"); originalFileName = originalFileName.replace("", "Ae"); originalFileName = originalFileName.replace("", "Oe"); originalFileName = originalFileName.replace("", "Ue"); originalFileName = originalFileName.replace(";", "-"); return originalFileName; } /** * Import xml to database. * * @param arg the arg * @param video the video * @return true, if successful */ private boolean importXmlToDatabase(String[] arg, Video video) { boolean ret = false; try { StaxToXPathProperties s2xp = new StaxToXPathProperties(); String[][] arr = s2xp.xml2array(arg); // import array attributes to database for (int i = 0; i <= (arr.length - 1); i++) { String timeEnd = ""; if (i < (arr.length - 1)) timeEnd = arr[i + 1][1]; if (i == (arr.length - 1)) { if (video.getDuration().trim().equalsIgnoreCase("")) timeEnd = "00:00:00"; else timeEnd = video.getDuration(); } String beginn = arr[i][1].split("\\.")[0]; String end = timeEnd.split("\\.")[0]; ((SegmentDao) getDaoBeanFactory().getBean("segmentDao")).create(video.getId(), beginn, arr[i][0], null, end, 1, video.getObjectProducer().getId()); } ret = true; } catch (XMLStreamException e) { ret = false; } return ret; } /** * Delete video. * * @param model the model */ private void deleteVideo(ProducerVideoDataInputEditModel model) { Video video = model.getVideo(); String preffix = ""; if (video.isOpenaccess()) preffix = video.getPreffix(); else preffix = video.getSPreffix(); // delete this video from the filesystem File originalFile = new File(L2goPropsUtil.get("lecture2go.media.repository") + "/" + model.getHost().getName() + "/" + model.getProducer().getHomeDir() + "/" + preffix + ".mp4"); // delete image ((ProzessManager) getUtilityBeanFactory().getBean("prozessManager")).deleteThumbnails(video); // delete segments List<Mark> segmentList = ((SegmentDao) getDaoBeanFactory().getBean("segmentDao")) .getSegmentsByVideoId(video.getId()); ((SegmentDao) getDaoBeanFactory().getBean("segmentDao")).deleteThumbhailsFromSegments(segmentList); // delete all segment data from table ((SegmentDao) getDaoBeanFactory().getBean("segmentDao")).deleteByVideoId(video.getId()); originalFile.delete(); // delete the symbolic link File symLink = new File( L2goPropsUtil.get("lecture2go.media.repository") + "/" + "abo" + "/" + video.getFilename()); symLink.delete(); // update the data row video.setFilename(null); video.setGenerationDate(null); video.setOpenaccess(false); video.setDownloadAllawed(false); ((VideoDao) getDaoBeanFactory().getBean("videoDao")).updateById(video.getTitle(), video.getTags(), video.getLectureseriesId(), video.getEigentuemerId(), video.getProducerId(), null, video.getFilename(), null, null, video.getHostId(), 0, // textId new Long("0"), null, false, // openAccess false, // downloadLink video.getMetadataId(), // metadataId null, video.getHits(), video.isPermittedToSegment(), video.getFacilityId(), video.getCitation2go(), video.getId()); // update RSS try { ((ProzessManager) getUtilityBeanFactory().getBean("prozessManager")).RSS(video, "mp4", model); ((ProzessManager) getUtilityBeanFactory().getBean("prozessManager")).RSS(video, "mp3", model); ((ProzessManager) getUtilityBeanFactory().getBean("prozessManager")).RSS(video, "m4v", model); ((ProzessManager) getUtilityBeanFactory().getBean("prozessManager")).RSS(video, "m4a", model); } catch (Exception e) { } //refresh last video list ((VideoDao) getDaoBeanFactory().getBean("videoDao")).createLastVideoList(0, 30, 0, "all"); } /** * Delete mp3. * * @param model the model */ private void deleteMp3(ProducerVideoDataInputEditModel model) { // get the producers home directory String producerHomeDir = model.getProducer().getHomeDir(); Host host = model.getHost(); Video video = model.getVideo(); String preffix = ""; if (video.isOpenaccess()) preffix = video.getPreffix(); else preffix = video.getSPreffix(); // delete this video from the filesystem File originalFile = new File(L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getName() + "/" + producerHomeDir + "/" + preffix + ".mp3"); originalFile.delete(); // delete symbolic link File symLinkMp3 = new File( L2goPropsUtil.get("lecture2go.media.repository") + "/" + "abo" + "/" + video.getPreffix() + ".mp3"); symLinkMp3.delete(); //update RSS ((ProzessManager) getUtilityBeanFactory().getBean("prozessManager")).RSS(video, "mp3", model); } /** * Delete m4a. * * @param model the model */ private void deleteM4a(ProducerVideoDataInputEditModel model) { // get the producers home directory String producerHomeDir = model.getProducer().getHomeDir(); Host host = model.getHost(); Video video = model.getVideo(); String preffix = ""; if (video.isOpenaccess()) preffix = video.getPreffix(); else preffix = video.getSPreffix(); // delete this video from the filesystem File originalFile = new File(L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getName() + "/" + producerHomeDir + "/" + preffix + ".m4a"); originalFile.delete(); // delete symbolic link File symLinkM4a = new File( L2goPropsUtil.get("lecture2go.media.repository") + "/" + "abo" + "/" + video.getPreffix() + ".m4a"); symLinkM4a.delete(); //update RSS ((ProzessManager) getUtilityBeanFactory().getBean("prozessManager")).RSS(video, "m4a", model); } /** * Delete m4v. * * @param model the model */ private void deleteM4v(ProducerVideoDataInputEditModel model) { // get the producers home directory String producerHomeDir = model.getProducer().getHomeDir(); Host host = model.getHost(); Video video = model.getVideo(); String preffix = ""; if (video.isOpenaccess()) preffix = video.getPreffix(); else preffix = video.getSPreffix(); // delete this video from the filesystem File originalFile = new File(L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getName() + "/" + producerHomeDir + "/" + preffix + ".m4v"); originalFile.delete(); // delete symbolic link File symLinkM4v = new File( L2goPropsUtil.get("lecture2go.media.repository") + "/" + "abo" + "/" + video.getPreffix() + ".m4v"); symLinkM4v.delete(); //update RSS ((ProzessManager) getUtilityBeanFactory().getBean("prozessManager")).RSS(video, "m4v", model); } /** * Delete pdf. * * @param model the model */ private void deletePdf(ProducerVideoDataInputEditModel model) { // get the producers home directory String producerHomeDir = model.getProducer().getHomeDir(); Host host = model.getHost(); Video video = model.getVideo(); String preffix = ""; if (video.isOpenaccess()) preffix = video.getPreffix(); else preffix = video.getSPreffix(); // delete this video from the filesystem File originalFile = new File(L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getName() + "/" + producerHomeDir + "/" + preffix + ".pdf"); originalFile.delete(); } /** * Delete tar. * * @param model the model */ private void deleteTar(ProducerVideoDataInputEditModel model) { // get the producers home directory String producerHomeDir = model.getProducer().getHomeDir(); Host host = model.getHost(); Video video = model.getVideo(); String preffix = ""; if (video.isOpenaccess()) preffix = video.getPreffix(); else preffix = video.getSPreffix(); // delete this video from the filesystem File originalFile = new File(L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getName() + "/" + producerHomeDir + "/" + preffix + ".tar"); originalFile.delete(); } /* * (non-Javadoc) * @see * org.springframework.web.portlet.mvc.AbstractFormController#formBackingObject * (javax.portlet.PortletRequest) */ /** * Form backing object. * * @param request the request * @return the object */ @Override protected Object formBackingObject(PortletRequest request) { ProducerVideoDataInputEditModel model = new ProducerVideoDataInputEditModel(); String vid = request.getParameter("videoId"); try { int vidId = new Integer(vid); Video video = ((VideoDao) getDaoBeanFactory().getBean("videoDao")).getById(vidId).iterator().next(); Host host = ((HostDao) getDaoBeanFactory().getBean("hostDao")).getById(video.getHostId()).iterator() .next(); model.setHost(host); String remoteUserId = request.getRemoteUser(); Integer ruid = new Integer(remoteUserId); // check user if (video.getProducerId() != ruid) { video.setId(-1); } Producer producer = ((ProducerDao) getDaoBeanFactory().getBean("producerDao")).getByUserId(ruid) .iterator().next(); model.setProducer(producer); Metadata metadata = ((MetadataDao) getDaoBeanFactory().getBean("metadataDao")) .getById(video.getMetadataId()).iterator().next(); model.setMetadata(metadata); Lectureseries lectureseries = ((LectureseriesDao) getDaoBeanFactory().getBean("lectureseriesDao")) .getById(video.getLectureseriesId()).iterator().next(); model.setLectureseries(lectureseries); if (video.getFilename() == null) { model.setM4vFile(null); model.setMp3File(null); model.setPdfFile(null); model.setM4aFile(null); } else { String preffix = ""; if (video.isOpenaccess()) { preffix = video.getPreffix(); model.setOpenaccess(true); model.setSecureUrl(null); } else { preffix = video.getSPreffix(); model.setOpenaccess(false); model.setSecureUrl(video.getSecureUrl()); } // check, if existent on the hard disc String mp3File = preffix + ".mp3"; String pdfFile = preffix + ".pdf"; String m4vFile = preffix + ".m4v"; String m4aFile = preffix + ".m4a"; File fMp3 = new File(L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getServerRoot() + "/" + producer.getHomeDir() + "/" + mp3File); File fPdf = new File(L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getServerRoot() + "/" + producer.getHomeDir() + "/" + pdfFile); File fM4v = new File(L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getServerRoot() + "/" + producer.getHomeDir() + "/" + m4vFile); File fM4a = new File(L2goPropsUtil.get("lecture2go.media.repository") + "/" + host.getServerRoot() + "/" + producer.getHomeDir() + "/" + m4aFile); if (fMp3.isFile()) model.setMp3File(mp3File); else model.setMp3File(null); if (fPdf.isFile()) model.setPdfFile(pdfFile); else model.setPdfFile(null); if (fM4v.isFile()) model.setM4vFile(m4vFile); else model.setM4vFile(null); if (fM4a.isFile()) model.setM4aFile(m4aFile); else model.setM4aFile(null); if (video.isDownloadAllawed()) model.setDownloadAllawed(true); else model.setDownloadAllawed(false); } model.setDomainURL(L2goPropsUtil.get("lecture2go.web.home")); model.setVideo(video); model.setLectureseriesId(video.getLectureseriesId()); model.setCommsyEmbed(true); model.setVideoId(video.getId()); } catch (Exception e) { model.setVideoId(-1); } // set current seite for browsing! model.setCurrentSeite(PortletRequestUtils.getIntParameter(request, "currentSeite", 1)); model.setURL(null); return model; } }