/**
* BigBlueButton open source conferencing system - http://www.bigbluebutton.org/
*
* Copyright (c) 2012 BigBlueButton Inc. and by respective authors (see below).
*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation; either version 3.0 of the License, or (at your option) any later
* version.
*
* BigBlueButton 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
*
*/
package org.bigbluebutton.presentation.imp;
import java.io.File;
import org.bigbluebutton.presentation.PageConverter;
import org.bigbluebutton.presentation.SupportedFileTypes;
import org.bigbluebutton.presentation.UploadedPresentation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class OfficeToPdfConversionService {
private static Logger log = LoggerFactory.getLogger(OfficeToPdfConversionService.class);
/*
* Convert the Office document to PDF. If successful, update
* UploadPresentation.uploadedFile with the new PDF out and
* UploadPresentation.lastStepSuccessful to TRUE.
*/
public UploadedPresentation convertOfficeToPdf(UploadedPresentation pres) {
initialize(pres);
if (SupportedFileTypes.isOfficeFile(pres.getFileType())) {
File pdfOutput = setupOutputPdfFile(pres);
if (convertOfficeDocToPdf(pres, pdfOutput)) {
log.info("Successfully converted office file to pdf.");
makePdfTheUploadedFileAndSetStepAsSuccess(pres, pdfOutput);
} else {
log.warn("Failed to convert " + pres.getUploadedFile().getAbsolutePath() + " to Pdf.");
}
}
return pres;
}
public void initialize(UploadedPresentation pres) {
pres.setLastStepSuccessful(false);
}
private File setupOutputPdfFile(UploadedPresentation pres) {
File presentationFile = pres.getUploadedFile();
String filenameWithoutExt = presentationFile.getAbsolutePath().substring(0, presentationFile.getAbsolutePath().lastIndexOf("."));
return new File(filenameWithoutExt + ".pdf");
}
private boolean convertOfficeDocToPdf(UploadedPresentation pres, File pdfOutput) {
PageConverter converter = new Office2PdfPageConverter();
return converter.convert(pres.getUploadedFile(), pdfOutput, 0);
}
private void makePdfTheUploadedFileAndSetStepAsSuccess(UploadedPresentation pres, File pdf) {
pres.setUploadedFile(pdf);
pres.setLastStepSuccessful(true);
}
}