diff --git a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/ImageToSwfSlide.java b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/ImageToSwfSlide.java
index b4185ce789f07082844534c507c280e959be1687..b39875d4dcda483abcd62b3e5118ce636f90ca9e 100755
--- a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/ImageToSwfSlide.java
+++ b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/ImageToSwfSlide.java
@@ -1,21 +1,21 @@
/**
-* 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/>.
-*
-*/
+ * 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;
@@ -27,68 +27,68 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ImageToSwfSlide {
- private static Logger log = LoggerFactory.getLogger(ImageToSwfSlide.class);
-
- private UploadedPresentation pres;
- private int page;
-
- private PageConverter imageToSwfConverter;
- private String BLANK_SLIDE;
-
- private boolean done = false;
- private File slide;
-
- public ImageToSwfSlide(UploadedPresentation pres, int page) {
- this.pres = pres;
- this.page = page;
- }
-
- public ImageToSwfSlide createSlide() {
- File presentationFile = pres.getUploadedFile();
- slide = new File(presentationFile.getParent() + File.separatorChar + "slide-" + page + ".swf");
- log.debug("Creating slide " + slide.getAbsolutePath());
- imageToSwfConverter.convert(presentationFile, slide, page, pres);
-
- // If all fails, generate a blank slide.
- if (!slide.exists()) {
- log.warn("Creating blank slide for " + slide.getAbsolutePath());
- generateBlankSlide();
- }
-
- done = true;
-
- return this;
- }
-
- public void generateBlankSlide() {
- if (BLANK_SLIDE != null) {
- copyBlankSlide(slide);
- } else {
- log.error("Blank slide has not been set");
- }
- }
-
- private void copyBlankSlide(File slide) {
- try {
- FileUtils.copyFile(new File(BLANK_SLIDE), slide);
- } catch (IOException e) {
- log.error("IOException while copying blank slide.");
- }
- }
-
- public void setPageConverter(PageConverter converter) {
- this.imageToSwfConverter = converter;
- }
-
- public void setBlankSlide(String blankSlide) {
- this.BLANK_SLIDE = blankSlide;
- }
-
- public boolean isDone() {
- return done;
- }
-
- public int getPageNumber() {
- return page;
- }
+ private static Logger log = LoggerFactory.getLogger(ImageToSwfSlide.class);
+
+ private UploadedPresentation pres;
+ private int page;
+
+ private PageConverter imageToSwfConverter;
+ private String BLANK_SLIDE;
+
+ private boolean done = false;
+ private File slide;
+
+ public ImageToSwfSlide(UploadedPresentation pres, int page) {
+ this.pres = pres;
+ this.page = page;
+ }
+
+ public ImageToSwfSlide createSlide() {
+ File presentationFile = pres.getUploadedFile();
+ slide = new File(presentationFile.getParent() + File.separatorChar + "slide-" + page + ".swf");
+ log.debug("Creating slide " + slide.getAbsolutePath());
+ imageToSwfConverter.convert(presentationFile, slide, page, pres);
+
+ // If all fails, generate a blank slide.
+ if (!slide.exists()) {
+ log.warn("Creating blank slide for " + slide.getAbsolutePath());
+ generateBlankSlide();
+ }
+
+ done = true;
+
+ return this;
+ }
+
+ public void generateBlankSlide() {
+ if (BLANK_SLIDE != null) {
+ copyBlankSlide(slide);
+ } else {
+ log.error("Blank slide has not been set");
+ }
+ }
+
+ private void copyBlankSlide(File slide) {
+ try {
+ FileUtils.copyFile(new File(BLANK_SLIDE), slide);
+ } catch (IOException e) {
+ log.error("IOException while copying blank slide.");
+ }
+ }
+
+ public void setPageConverter(PageConverter converter) {
+ this.imageToSwfConverter = converter;
+ }
+
+ public void setBlankSlide(String blankSlide) {
+ this.BLANK_SLIDE = blankSlide;
+ }
+
+ public boolean isDone() {
+ return done;
+ }
+
+ public int getPageNumber() {
+ return page;
+ }
}
diff --git a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/PdfToSwfSlide.java b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/PdfToSwfSlide.java
index e78f742156c18911981bd724ddcf74e21fc61917..7abc43627377763ca46e4c9c4f683cb27dba86eb 100755
--- a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/PdfToSwfSlide.java
+++ b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/PdfToSwfSlide.java
@@ -1,21 +1,21 @@
/**
-* 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/>.
-*
-*/
+ * 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;
@@ -32,117 +32,117 @@ import org.slf4j.LoggerFactory;
import com.google.gson.Gson;
public class PdfToSwfSlide {
- private static Logger log = LoggerFactory.getLogger(PdfToSwfSlide.class);
-
- private UploadedPresentation pres;
- private int page;
- private PageConverter pdfToSwfConverter;
- private PdfPageToImageConversionService imageConvertService;
- private String BLANK_SLIDE;
- private int MAX_SWF_FILE_SIZE;
-
- private volatile boolean done = false;
- private File slide;
-
- public PdfToSwfSlide(UploadedPresentation pres, int page) {
- this.pres = pres;
- this.page = page;
- }
-
- public PdfToSwfSlide createSlide() {
- File presentationFile = pres.getUploadedFile();
- slide = new File(presentationFile.getParent() + File.separatorChar + "slide-" + page + ".swf");
- if (! pdfToSwfConverter.convert(presentationFile, slide, page, pres)) {
+ private static Logger log = LoggerFactory.getLogger(PdfToSwfSlide.class);
+
+ private UploadedPresentation pres;
+ private int page;
+ private PageConverter pdfToSwfConverter;
+ private PdfPageToImageConversionService imageConvertService;
+ private String BLANK_SLIDE;
+ private int MAX_SWF_FILE_SIZE;
+
+ private volatile boolean done = false;
+ private File slide;
+
+ public PdfToSwfSlide(UploadedPresentation pres, int page) {
+ this.pres = pres;
+ this.page = page;
+ }
+
+ public PdfToSwfSlide createSlide() {
+ File presentationFile = pres.getUploadedFile();
+ slide = new File(presentationFile.getParent() + File.separatorChar + "slide-" + page + ".swf");
+ if (! pdfToSwfConverter.convert(presentationFile, slide, page, pres)) {
Map<String, Object> logData = new HashMap<String, Object>();
logData.put("meetingId", pres.getMeetingId());
logData.put("presId", pres.getId());
logData.put("filename", pres.getName());
logData.put("page", page);
logData.put("size(KB)", slide.length()/1024);
-
+
Gson gson = new Gson();
String logStr = gson.toJson(logData);
-
+
log.warn("Failed to convert slide: data={}", logStr);
- imageConvertService.convertPageAsAnImage(presentationFile, slide, page, pres);
- }
-
- // If all fails, generate a blank slide.
- if (!slide.exists()) {
- log.warn("Failed to create slide. Creating blank slide for " + slide.getAbsolutePath());
- generateBlankSlide();
- }
-
- done = true;
-
- return this;
- }
-
- private boolean slideMayHaveTooManyObjects(File slide) {
- // If the resulting swf file is greater than 500K, it probably contains a lot of objects
- // that it becomes very slow to render on the client. Take an image snapshot instead and
- // use it to generate the SWF file. (ralam Sept 2, 2009)
- return slide.length() > MAX_SWF_FILE_SIZE;
- }
-
- public void generateBlankSlide() {
- if (BLANK_SLIDE != null) {
+ imageConvertService.convertPageAsAnImage(presentationFile, slide, page, pres);
+ }
+
+ // If all fails, generate a blank slide.
+ if (!slide.exists()) {
+ log.warn("Failed to create slide. Creating blank slide for " + slide.getAbsolutePath());
+ generateBlankSlide();
+ }
+
+ done = true;
+
+ return this;
+ }
+
+ private boolean slideMayHaveTooManyObjects(File slide) {
+ // If the resulting swf file is greater than 500K, it probably contains a lot of objects
+ // that it becomes very slow to render on the client. Take an image snapshot instead and
+ // use it to generate the SWF file. (ralam Sept 2, 2009)
+ return slide.length() > MAX_SWF_FILE_SIZE;
+ }
+
+ public void generateBlankSlide() {
+ if (BLANK_SLIDE != null) {
Map<String, Object> logData = new HashMap<String, Object>();
logData.put("meetingId", pres.getMeetingId());
logData.put("presId", pres.getId());
logData.put("filename", pres.getName());
logData.put("page", page);
-
+
Gson gson = new Gson();
String logStr = gson.toJson(logData);
-
+
log.warn("Creating blank slide: data={}", logStr);
-
- copyBlankSlide(slide);
- } else {
+
+ copyBlankSlide(slide);
+ } else {
Map<String, Object> logData = new HashMap<String, Object>();
logData.put("meetingId", pres.getMeetingId());
logData.put("presId", pres.getId());
logData.put("filename", pres.getName());
logData.put("page", page);
-
+
Gson gson = new Gson();
String logStr = gson.toJson(logData);
-
+
log.warn("Failed to create blank slide: data={}", logStr);
- }
- }
-
- private void copyBlankSlide(File slide) {
- try {
- FileUtils.copyFile(new File(BLANK_SLIDE), slide);
- } catch (IOException e) {
- log.error("IOException while copying blank slide.");
- }
- }
-
- public void setPageConverter(PageConverter converter) {
- this.pdfToSwfConverter = converter;
- }
-
- public void setPdfPageToImageConversionService(PdfPageToImageConversionService service) {
- this.imageConvertService = service;
- }
-
- public void setBlankSlide(String blankSlide) {
- this.BLANK_SLIDE = blankSlide;
- }
-
- public void setMaxSwfFileSize(int size) {
- this.MAX_SWF_FILE_SIZE = size;
- }
-
- public boolean isDone() {
- return done;
- }
-
- public int getPageNumber() {
- return page;
- }
+ }
+ }
+
+ private void copyBlankSlide(File slide) {
+ try {
+ FileUtils.copyFile(new File(BLANK_SLIDE), slide);
+ } catch (IOException e) {
+ log.error("IOException while copying blank slide.");
+ }
+ }
+
+ public void setPageConverter(PageConverter converter) {
+ this.pdfToSwfConverter = converter;
+ }
+
+ public void setPdfPageToImageConversionService(PdfPageToImageConversionService service) {
+ this.imageConvertService = service;
+ }
+
+ public void setBlankSlide(String blankSlide) {
+ this.BLANK_SLIDE = blankSlide;
+ }
+
+ public void setMaxSwfFileSize(int size) {
+ this.MAX_SWF_FILE_SIZE = size;
+ }
+
+ public boolean isDone() {
+ return done;
+ }
+
+ public int getPageNumber() {
+ return page;
+ }
}
diff --git a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/ImageMagickPageConverter.java b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/ImageMagickPageConverter.java
index 99e5d0a5ab6210d19efbd6c2227b5cae73a2f8e3..05985617a3c4d4fe0aafaabfbd1dadf5803d0478 100755
--- a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/ImageMagickPageConverter.java
+++ b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/ImageMagickPageConverter.java
@@ -1,21 +1,21 @@
/**
-* 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/>.
-*
-*/
+ * 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;
@@ -27,28 +27,28 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ImageMagickPageConverter implements PageConverter {
- private static Logger log = LoggerFactory.getLogger(ImageMagickPageConverter.class);
-
- private String IMAGEMAGICK_DIR;
-
- public boolean convert(File presentationFile, File output, int page, UploadedPresentation pres){
-
- String COMMAND = IMAGEMAGICK_DIR + "/convert -depth 8 " + presentationFile.getAbsolutePath() + " " + output.getAbsolutePath();
-
- boolean done = new ExternalProcessExecutor().exec(COMMAND, 60000);
-
- if (done && output.exists()) {
- return true;
- } else {
- log.warn("Failed to convert: " + output.getAbsolutePath() + " does not exist.");
- return false;
- }
-
- }
-
- public void setImageMagickDir(String dir) {
- IMAGEMAGICK_DIR = dir;
- }
+ private static Logger log = LoggerFactory.getLogger(ImageMagickPageConverter.class);
+
+ private String IMAGEMAGICK_DIR;
+
+ public boolean convert(File presentationFile, File output, int page, UploadedPresentation pres){
+
+ String COMMAND = IMAGEMAGICK_DIR + "/convert -depth 8 " + presentationFile.getAbsolutePath() + " " + output.getAbsolutePath();
+
+ boolean done = new ExternalProcessExecutor().exec(COMMAND, 60000);
+
+ if (done && output.exists()) {
+ return true;
+ } else {
+ log.warn("Failed to convert: " + output.getAbsolutePath() + " does not exist.");
+ return false;
+ }
+
+ }
+
+ public void setImageMagickDir(String dir) {
+ IMAGEMAGICK_DIR = dir;
+ }
}
diff --git a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/Office2PdfPageConverter.java b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/Office2PdfPageConverter.java
index 27bbd2a2f0148acc34c96016206d88c6246b4de6..9a0eeadb8db8c87c6f619d52f1fa5b09088299ad 100755
--- a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/Office2PdfPageConverter.java
+++ b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/Office2PdfPageConverter.java
@@ -1,21 +1,21 @@
/**
-* 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/>.
-*
-*/
+ * 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;
@@ -33,39 +33,39 @@ import com.artofsolving.jodconverter.openoffice.connection.*;
import com.artofsolving.jodconverter.openoffice.converter.*;
public class Office2PdfPageConverter implements PageConverter {
- private static Logger log = LoggerFactory.getLogger(Office2PdfPageConverter.class);
-
- public boolean convert(File presentationFile, File output, int page, UploadedPresentation pres){
- SocketOpenOfficeConnection connection = new SocketOpenOfficeConnection(8100);
+ private static Logger log = LoggerFactory.getLogger(Office2PdfPageConverter.class);
- try {
- connection.connect();
-
- log.debug("Converting " + presentationFile.getAbsolutePath() + " to " + output.getAbsolutePath());
-
- DefaultDocumentFormatRegistry registry = new DefaultDocumentFormatRegistry();
- OpenOfficeDocumentConverter converter = new OpenOfficeDocumentConverter(connection, registry);
+ public boolean convert(File presentationFile, File output, int page, UploadedPresentation pres){
+ SocketOpenOfficeConnection connection = new SocketOpenOfficeConnection(8100);
- DocumentFormat pdf = registry.getFormatByFileExtension("pdf");
- Map<String, Object> pdfOptions = new HashMap<String, Object>();
- pdfOptions.put("ReduceImageResolution", Boolean.TRUE);
- pdfOptions.put("MaxImageResolution", Integer.valueOf(300));
- pdf.setExportOption(DocumentFamily.TEXT, "FilterData", pdfOptions);
-
- converter.convert(presentationFile, output, pdf);
- connection.disconnect();
-
- if (output.exists()) {
- return true;
- } else {
- log.warn("Failed to convert: " + output.getAbsolutePath() + " does not exist.");
- return false;
- }
-
- } catch(Exception e) {
- log.error("Exception: Failed to convert " + output.getAbsolutePath());
- return false;
- }
- }
+ try {
+ connection.connect();
+
+ log.debug("Converting " + presentationFile.getAbsolutePath() + " to " + output.getAbsolutePath());
+
+ DefaultDocumentFormatRegistry registry = new DefaultDocumentFormatRegistry();
+ OpenOfficeDocumentConverter converter = new OpenOfficeDocumentConverter(connection, registry);
+
+ DocumentFormat pdf = registry.getFormatByFileExtension("pdf");
+ Map<String, Object> pdfOptions = new HashMap<String, Object>();
+ pdfOptions.put("ReduceImageResolution", Boolean.TRUE);
+ pdfOptions.put("MaxImageResolution", Integer.valueOf(300));
+ pdf.setExportOption(DocumentFamily.TEXT, "FilterData", pdfOptions);
+
+ converter.convert(presentationFile, output, pdf);
+ connection.disconnect();
+
+ if (output.exists()) {
+ return true;
+ } else {
+ log.warn("Failed to convert: " + output.getAbsolutePath() + " does not exist.");
+ return false;
+ }
+
+ } catch(Exception e) {
+ log.error("Exception: Failed to convert " + output.getAbsolutePath());
+ return false;
+ }
+ }
}
diff --git a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/OfficeToPdfConversionService.java b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/OfficeToPdfConversionService.java
index 24fbacdea9ab063933244003d832cd1e018a29ab..9dd17f4f17f7478dfb9173a569f0a21c6c86b20f 100755
--- a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/OfficeToPdfConversionService.java
+++ b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/OfficeToPdfConversionService.java
@@ -1,21 +1,21 @@
/**
-* 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/>.
-*
-*/
+ * 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;
@@ -27,44 +27,44 @@ 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, pres);
- }
-
- private void makePdfTheUploadedFileAndSetStepAsSuccess(UploadedPresentation pres, File pdf) {
- pres.setUploadedFile(pdf);
- pres.setLastStepSuccessful(true);
- }
+ 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, pres);
+ }
+
+ private void makePdfTheUploadedFileAndSetStepAsSuccess(UploadedPresentation pres, File pdf) {
+ pres.setUploadedFile(pdf);
+ pres.setLastStepSuccessful(true);
+ }
}
diff --git a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/Pdf2SwfPageConverter.java b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/Pdf2SwfPageConverter.java
index 5183da079f44cf6704c9fafc16d8be5aee724e37..42ae5dcfbf46b5070cac2aba5daaa08c3ab36853 100755
--- a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/Pdf2SwfPageConverter.java
+++ b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/Pdf2SwfPageConverter.java
@@ -54,7 +54,7 @@ public class Pdf2SwfPageConverter implements PageConverter {
private long imageTagThreshold;
private String convTimeout = "5s";
private int WAIT_FOR_SEC = 6;
-
+
public boolean convert(File presentation, File output, int page, UploadedPresentation pres) {
long convertStart = System.currentTimeMillis();
@@ -69,23 +69,23 @@ public class Pdf2SwfPageConverter implements PageConverter {
"/bin/sh",
"-c",
SWFTOOLS_DIR
- + File.separator
- + "pdf2swf"
- + " -vv "
- + AVM2SWF
- + " -F "
- + fontsDir
- + " -p "
- + String.valueOf(page)
- + " "
- + source
- + " -o "
- + dest
- + " | egrep 'shape id|Updating font|Drawing' | sed 's/ / /g' | cut -d' ' -f 1-3 | sort | uniq -cw 15"));
+ + File.separator
+ + "pdf2swf"
+ + " -vv "
+ + AVM2SWF
+ + " -F "
+ + fontsDir
+ + " -p "
+ + String.valueOf(page)
+ + " "
+ + source
+ + " -o "
+ + dest
+ + " | egrep 'shape id|Updating font|Drawing' | sed 's/ / /g' | cut -d' ' -f 1-3 | sort | uniq -cw 15"));
Pdf2SwfPageConverterHandler pHandler = new Pdf2SwfPageConverterHandler();
pb.setProcessListener(pHandler);
-
+
long pdf2SwfStart = System.currentTimeMillis();
NuProcess process = pb.start();
@@ -94,10 +94,10 @@ public class Pdf2SwfPageConverter implements PageConverter {
} catch (InterruptedException e) {
log.error(e.getMessage());
}
-
+
long pdf2SwfEnd = System.currentTimeMillis();
log.debug("Pdf2Swf conversion duration: {} sec", (pdf2SwfEnd - pdf2SwfStart)/1000);
-
+
File destFile = new File(dest);
if (pHandler.isConversionSuccessfull() && destFile.exists()
&& pHandler.numberOfPlacements() < placementsThreshold
@@ -117,9 +117,9 @@ public class Pdf2SwfPageConverter implements PageConverter {
logData.put("numImageTags", pHandler.numberOfImageTags());
Gson gson = new Gson();
String logStr = gson.toJson(logData);
-
+
log.warn("Potential problem with generated SWF: data={}", logStr);
-
+
File tempPdfPage = null;
File tempPng = null;
String basePresentationame = FilenameUtils.getBaseName(presentation.getName());
@@ -151,9 +151,9 @@ public class Pdf2SwfPageConverter implements PageConverter {
long gsEnd = System.currentTimeMillis();
log.debug("Ghostscript conversion duration: {} sec", (gsStart - gsEnd)/1000);
-
+
long magickStart = System.currentTimeMillis();
-
+
// Step 2: Convert a PDF page to PNG
NuProcessBuilder pbPng = new NuProcessBuilder(Arrays.asList("timeout", convTimeout,
IMAGEMAGICK_DIR + File.separator + "convert", "-density", "150",
@@ -175,13 +175,13 @@ public class Pdf2SwfPageConverter implements PageConverter {
logData.put("filename", pres.getName());
logData.put("page", page);
logData.put("conversionTime(sec)", (magickEnd - magickStart)/1000);
-
+
logStr = gson.toJson(logData);
-
+
log.debug("ImageMagick conversion duration: {} sec", (magickEnd - magickStart)/1000);
-
+
long png2swfStart = System.currentTimeMillis();
-
+
// Step 3: Convert a PNG image to SWF
source = tempPng.getAbsolutePath();
NuProcessBuilder pbSwf = new NuProcessBuilder(Arrays.asList("timeout", convTimeout, SWFTOOLS_DIR
@@ -194,10 +194,10 @@ public class Pdf2SwfPageConverter implements PageConverter {
} catch (InterruptedException e) {
log.error(e.getMessage());
}
-
+
long png2swfEnd = System.currentTimeMillis();
log.debug("ImageMagick conversion duration: {} sec", (png2swfEnd - png2swfStart)/1000);
-
+
// Delete the temporary PNG and PDF files after finishing the image
// conversion
tempPdfPage.delete();
@@ -213,12 +213,12 @@ public class Pdf2SwfPageConverter implements PageConverter {
logData.put("filename", pres.getName());
logData.put("page", page);
logData.put("conversionTime(sec)", (convertEnd - convertStart)/1000);
-
+
logStr = gson.toJson(logData);
-
+
log.debug("Problem page conversion duration: {} sec", (convertEnd - convertStart)/1000);
-
-
+
+
if (doneSwf && destFile.exists()) {
return true;
} else {
diff --git a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/PdfPageToImageConversionService.java b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/PdfPageToImageConversionService.java
index 25d345c1a30d4246fc28967f05d6f19e15f1be03..6d6bac69853ae699a52f09fa0c0c78c26e08cbbc 100755
--- a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/PdfPageToImageConversionService.java
+++ b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/PdfPageToImageConversionService.java
@@ -1,21 +1,21 @@
/**
-* 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/>.
-*
-*/
+ * 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;
@@ -28,40 +28,40 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class PdfPageToImageConversionService {
- private static Logger log = LoggerFactory.getLogger(PdfPageToImageConversionService.class);
-
- private PageExtractor extractor;
- private PageConverter pdfToImageConverter;
- private PageConverter imageToSwfConverter;
-
- public boolean convertPageAsAnImage(File presentationFile, File output, int page, UploadedPresentation pres) {
- File tempDir = new File(presentationFile.getParent() + File.separatorChar + "temp");
- tempDir.mkdir();
+ private static Logger log = LoggerFactory.getLogger(PdfPageToImageConversionService.class);
- File tempPdfFile = new File(tempDir.getAbsolutePath() + File.separator + "temp-" + page + ".pdf");
+ private PageExtractor extractor;
+ private PageConverter pdfToImageConverter;
+ private PageConverter imageToSwfConverter;
- if (extractor.extractPage(presentationFile, tempPdfFile, page)) {
- File tempPngFile = new File(tempDir.getAbsolutePath() + "/temp-" + page + ".svg");
+ public boolean convertPageAsAnImage(File presentationFile, File output, int page, UploadedPresentation pres) {
+ File tempDir = new File(presentationFile.getParent() + File.separatorChar + "temp");
+ tempDir.mkdir();
- if (pdfToImageConverter.convert(tempPdfFile, tempPngFile, 1, pres)) {
- if (imageToSwfConverter.convert(tempPngFile, output, 1, pres)) {
- return true;
- }
- }
- }
-
- return false;
- }
-
- public void setPageExtractor(PageExtractor extractor) {
- this.extractor = extractor;
- }
-
- public void setPdfToImageConverter(PageConverter imageConverter) {
- this.pdfToImageConverter = imageConverter;
- }
-
- public void setImageToSwfConverter(PageConverter swfConverter) {
- this.imageToSwfConverter = swfConverter;
- }
+ File tempPdfFile = new File(tempDir.getAbsolutePath() + File.separator + "temp-" + page + ".pdf");
+
+ if (extractor.extractPage(presentationFile, tempPdfFile, page)) {
+ File tempPngFile = new File(tempDir.getAbsolutePath() + "/temp-" + page + ".svg");
+
+ if (pdfToImageConverter.convert(tempPdfFile, tempPngFile, 1, pres)) {
+ if (imageToSwfConverter.convert(tempPngFile, output, 1, pres)) {
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
+ public void setPageExtractor(PageExtractor extractor) {
+ this.extractor = extractor;
+ }
+
+ public void setPdfToImageConverter(PageConverter imageConverter) {
+ this.pdfToImageConverter = imageConverter;
+ }
+
+ public void setImageToSwfConverter(PageConverter swfConverter) {
+ this.imageToSwfConverter = swfConverter;
+ }
}
diff --git a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/PdfToSwfSlidesGenerationService.java b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/PdfToSwfSlidesGenerationService.java
index 6ec9b50d68f1f27c4315e93d2bb3ce21bd56881b..a4e3369bd04e2b39a2e6806bb1c912a4cbf9ada2 100755
--- a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/PdfToSwfSlidesGenerationService.java
+++ b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/PdfToSwfSlidesGenerationService.java
@@ -1,21 +1,21 @@
/**
-* BigBlueButton open source conferencing system - http://www.bigbluebutton.org/
-*
-* Copyright (c) 2015 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/>.
-*
-*/
+ * BigBlueButton open source conferencing system - http://www.bigbluebutton.org/
+ *
+ * Copyright (c) 2015 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;
@@ -49,254 +49,254 @@ import org.slf4j.LoggerFactory;
import com.google.gson.Gson;
public class PdfToSwfSlidesGenerationService {
- private static Logger log = LoggerFactory.getLogger(PdfToSwfSlidesGenerationService.class);
-
- private SwfSlidesGenerationProgressNotifier notifier;
- private PageCounterService counterService;
- private PageConverter pdfToSwfConverter;
- private PdfPageToImageConversionService imageConvertService;
- private ExecutorService executor;
- private ThumbnailCreator thumbnailCreator;
- private TextFileCreator textFileCreator;
- private SvgImageCreator svgImageCreator;
- private long MAX_CONVERSION_TIME = 5*60*1000;
- private String BLANK_SLIDE;
- private int MAX_SWF_FILE_SIZE;
- private boolean svgImagesRequired;
- private final long CONVERSION_TIMEOUT = 20000000000L; // 20s
- private int NUM_CONVERSION_THREADS = 2;
-
- public PdfToSwfSlidesGenerationService(int numConversionThreads) {
- executor = Executors.newFixedThreadPool(numConversionThreads);
- }
-
- public void generateSlides(UploadedPresentation pres) {
- determineNumberOfPages(pres);
- if (pres.getNumberOfPages() > 0) {
- convertPdfToSwf(pres);
- createTextFiles(pres);
- createThumbnails(pres);
-
- // only create SVG images if the configuration requires it
- if (svgImagesRequired) {
- createSvgImages(pres);
- }
-
- notifier.sendConversionCompletedMessage(pres);
- }
- }
-
- private boolean determineNumberOfPages(UploadedPresentation pres) {
- try {
- counterService.determineNumberOfPages(pres);
- return true;
- } catch (CountingPageException e) {
- sendFailedToCountPageMessage(e, pres);
- }
- return false;
- }
-
- private void sendFailedToCountPageMessage(CountingPageException e, UploadedPresentation pres) {
- MessageBuilder builder = new ConversionUpdateMessage.MessageBuilder(pres);
-
- if (e.getExceptionType() == CountingPageException.ExceptionType.PAGE_COUNT_EXCEPTION) {
- builder.messageKey(ConversionMessageConstants.PAGE_COUNT_FAILED_KEY);
- } else if (e.getExceptionType() == CountingPageException.ExceptionType.PAGE_EXCEEDED_EXCEPTION) {
- builder.numberOfPages(e.getPageCount());
- builder.maxNumberPages(e.getMaxNumberOfPages());
- builder.messageKey(ConversionMessageConstants.PAGE_COUNT_EXCEEDED_KEY);
- }
- notifier.sendConversionUpdateMessage(builder.build().getMessage());
- }
-
- private void createThumbnails(UploadedPresentation pres) {
- notifier.sendCreatingThumbnailsUpdateMessage(pres);
- thumbnailCreator.createThumbnails(pres);
- }
-
- private void createTextFiles(UploadedPresentation pres) {
- notifier.sendCreatingTextFilesUpdateMessage(pres);
- textFileCreator.createTextFiles(pres);
- }
-
- private void createSvgImages(UploadedPresentation pres) {
- notifier.sendCreatingSvgImagesUpdateMessage(pres);
- svgImageCreator.createSvgImages(pres);
- }
-
- private void convertPdfToSwf(UploadedPresentation pres) {
- int numPages = pres.getNumberOfPages();
- List<PdfToSwfSlide> slides = setupSlides(pres, numPages);
-
- CompletionService<PdfToSwfSlide> completionService = new ExecutorCompletionService<PdfToSwfSlide>(executor);
-
- generateSlides(pres, slides, completionService);
- }
-
- private void generateSlides(UploadedPresentation pres, List<PdfToSwfSlide> slides, CompletionService<PdfToSwfSlide> completionService) {
- long MAXWAIT = MAX_CONVERSION_TIME * 60 /*seconds*/ * 1000 /*millis*/;
- int slidesCompleted = 0;
-
- long presConvStart = System.currentTimeMillis();
-
- for (final PdfToSwfSlide slide : slides) {
- long pageConvStart = System.currentTimeMillis();
-
- Callable<PdfToSwfSlide> c = new Callable<PdfToSwfSlide>() {
- public PdfToSwfSlide call() {
- return slide.createSlide();
- };
- };
-
- Future<PdfToSwfSlide> f = executor.submit(c);
- long endNanos = System.nanoTime() + CONVERSION_TIMEOUT;
- try {
- // Only wait for the remaining time budget
- long timeLeft = endNanos - System.nanoTime();
- PdfToSwfSlide s = f.get(timeLeft, TimeUnit.NANOSECONDS);
- slidesCompleted++;
- notifier.sendConversionUpdateMessage(slidesCompleted, pres);
- } catch (ExecutionException e) {
- Map<String, Object> logData = new HashMap<String, Object>();
- logData.put("meetingId", pres.getMeetingId());
- logData.put("presId", pres.getId());
- logData.put("filename", pres.getName());
- logData.put("page", slide.getPageNumber());
-
- Gson gson = new Gson();
- String logStr = gson.toJson(logData);
-
- log.warn("ExecutionException while converting page: data={}", logStr);
- log.error(e.getMessage());
- } catch (InterruptedException e) {
- Map<String, Object> logData = new HashMap<String, Object>();
- logData.put("meetingId", pres.getMeetingId());
- logData.put("presId", pres.getId());
- logData.put("filename", pres.getName());
- logData.put("page", slide.getPageNumber());
-
- Gson gson = new Gson();
- String logStr = gson.toJson(logData);
-
- log.warn("InterruptedException while converting page: data={}", logStr);
- Thread.currentThread().interrupt();
- } catch (TimeoutException e) {
- Map<String, Object> logData = new HashMap<String, Object>();
- logData.put("meetingId", pres.getMeetingId());
- logData.put("presId", pres.getId());
- logData.put("filename", pres.getName());
- logData.put("page", slide.getPageNumber());
-
- Gson gson = new Gson();
- String logStr = gson.toJson(logData);
-
- log.warn("TimeoutException while converting page: data={}", logStr);
- f.cancel(true);
- }
-
- long pageConvEnd = System.currentTimeMillis();
- Map<String, Object> logData = new HashMap<String, Object>();
- logData.put("meetingId", pres.getMeetingId());
- logData.put("presId", pres.getId());
- logData.put("filename", pres.getName());
- logData.put("page", slide.getPageNumber());
- logData.put("conversionTime(sec)", (pageConvEnd - pageConvStart)/1000);
- Gson gson = new Gson();
- String logStr = gson.toJson(logData);
-
- log.debug("Page conversion duration(sec): data={}", logStr);
-
- }
-
- for (final PdfToSwfSlide slide : slides) {
- if (! slide.isDone()){
-
- slide.generateBlankSlide();
-
- Map<String, Object> logData = new HashMap<String, Object>();
- logData.put("meetingId", pres.getMeetingId());
- logData.put("presId", pres.getId());
- logData.put("filename", pres.getName());
-
- Gson gson = new Gson();
- String logStr = gson.toJson(logData);
-
- log.warn("Creating blank slide: data={}", logStr);
-
- notifier.sendConversionUpdateMessage(slidesCompleted++, pres);
- }
- }
-
- long presConvEnd = System.currentTimeMillis();
+ private static Logger log = LoggerFactory.getLogger(PdfToSwfSlidesGenerationService.class);
+
+ private SwfSlidesGenerationProgressNotifier notifier;
+ private PageCounterService counterService;
+ private PageConverter pdfToSwfConverter;
+ private PdfPageToImageConversionService imageConvertService;
+ private ExecutorService executor;
+ private ThumbnailCreator thumbnailCreator;
+ private TextFileCreator textFileCreator;
+ private SvgImageCreator svgImageCreator;
+ private long MAX_CONVERSION_TIME = 5*60*1000;
+ private String BLANK_SLIDE;
+ private int MAX_SWF_FILE_SIZE;
+ private boolean svgImagesRequired;
+ private final long CONVERSION_TIMEOUT = 20000000000L; // 20s
+ private int NUM_CONVERSION_THREADS = 2;
+
+ public PdfToSwfSlidesGenerationService(int numConversionThreads) {
+ executor = Executors.newFixedThreadPool(numConversionThreads);
+ }
+
+ public void generateSlides(UploadedPresentation pres) {
+ determineNumberOfPages(pres);
+ if (pres.getNumberOfPages() > 0) {
+ convertPdfToSwf(pres);
+ createTextFiles(pres);
+ createThumbnails(pres);
+
+ // only create SVG images if the configuration requires it
+ if (svgImagesRequired) {
+ createSvgImages(pres);
+ }
+
+ notifier.sendConversionCompletedMessage(pres);
+ }
+ }
+
+ private boolean determineNumberOfPages(UploadedPresentation pres) {
+ try {
+ counterService.determineNumberOfPages(pres);
+ return true;
+ } catch (CountingPageException e) {
+ sendFailedToCountPageMessage(e, pres);
+ }
+ return false;
+ }
+
+ private void sendFailedToCountPageMessage(CountingPageException e, UploadedPresentation pres) {
+ MessageBuilder builder = new ConversionUpdateMessage.MessageBuilder(pres);
+
+ if (e.getExceptionType() == CountingPageException.ExceptionType.PAGE_COUNT_EXCEPTION) {
+ builder.messageKey(ConversionMessageConstants.PAGE_COUNT_FAILED_KEY);
+ } else if (e.getExceptionType() == CountingPageException.ExceptionType.PAGE_EXCEEDED_EXCEPTION) {
+ builder.numberOfPages(e.getPageCount());
+ builder.maxNumberPages(e.getMaxNumberOfPages());
+ builder.messageKey(ConversionMessageConstants.PAGE_COUNT_EXCEEDED_KEY);
+ }
+ notifier.sendConversionUpdateMessage(builder.build().getMessage());
+ }
+
+ private void createThumbnails(UploadedPresentation pres) {
+ notifier.sendCreatingThumbnailsUpdateMessage(pres);
+ thumbnailCreator.createThumbnails(pres);
+ }
+
+ private void createTextFiles(UploadedPresentation pres) {
+ notifier.sendCreatingTextFilesUpdateMessage(pres);
+ textFileCreator.createTextFiles(pres);
+ }
+
+ private void createSvgImages(UploadedPresentation pres) {
+ notifier.sendCreatingSvgImagesUpdateMessage(pres);
+ svgImageCreator.createSvgImages(pres);
+ }
+
+ private void convertPdfToSwf(UploadedPresentation pres) {
+ int numPages = pres.getNumberOfPages();
+ List<PdfToSwfSlide> slides = setupSlides(pres, numPages);
+
+ CompletionService<PdfToSwfSlide> completionService = new ExecutorCompletionService<PdfToSwfSlide>(executor);
+
+ generateSlides(pres, slides, completionService);
+ }
+
+ private void generateSlides(UploadedPresentation pres, List<PdfToSwfSlide> slides, CompletionService<PdfToSwfSlide> completionService) {
+ long MAXWAIT = MAX_CONVERSION_TIME * 60 /*seconds*/ * 1000 /*millis*/;
+ int slidesCompleted = 0;
+
+ long presConvStart = System.currentTimeMillis();
+
+ for (final PdfToSwfSlide slide : slides) {
+ long pageConvStart = System.currentTimeMillis();
+
+ Callable<PdfToSwfSlide> c = new Callable<PdfToSwfSlide>() {
+ public PdfToSwfSlide call() {
+ return slide.createSlide();
+ };
+ };
+
+ Future<PdfToSwfSlide> f = executor.submit(c);
+ long endNanos = System.nanoTime() + CONVERSION_TIMEOUT;
+ try {
+ // Only wait for the remaining time budget
+ long timeLeft = endNanos - System.nanoTime();
+ PdfToSwfSlide s = f.get(timeLeft, TimeUnit.NANOSECONDS);
+ slidesCompleted++;
+ notifier.sendConversionUpdateMessage(slidesCompleted, pres);
+ } catch (ExecutionException e) {
+ Map<String, Object> logData = new HashMap<String, Object>();
+ logData.put("meetingId", pres.getMeetingId());
+ logData.put("presId", pres.getId());
+ logData.put("filename", pres.getName());
+ logData.put("page", slide.getPageNumber());
+
+ Gson gson = new Gson();
+ String logStr = gson.toJson(logData);
+
+ log.warn("ExecutionException while converting page: data={}", logStr);
+ log.error(e.getMessage());
+ } catch (InterruptedException e) {
+ Map<String, Object> logData = new HashMap<String, Object>();
+ logData.put("meetingId", pres.getMeetingId());
+ logData.put("presId", pres.getId());
+ logData.put("filename", pres.getName());
+ logData.put("page", slide.getPageNumber());
+
+ Gson gson = new Gson();
+ String logStr = gson.toJson(logData);
+
+ log.warn("InterruptedException while converting page: data={}", logStr);
+ Thread.currentThread().interrupt();
+ } catch (TimeoutException e) {
+ Map<String, Object> logData = new HashMap<String, Object>();
+ logData.put("meetingId", pres.getMeetingId());
+ logData.put("presId", pres.getId());
+ logData.put("filename", pres.getName());
+ logData.put("page", slide.getPageNumber());
+
+ Gson gson = new Gson();
+ String logStr = gson.toJson(logData);
+
+ log.warn("TimeoutException while converting page: data={}", logStr);
+ f.cancel(true);
+ }
+
+ long pageConvEnd = System.currentTimeMillis();
Map<String, Object> logData = new HashMap<String, Object>();
logData.put("meetingId", pres.getMeetingId());
logData.put("presId", pres.getId());
logData.put("filename", pres.getName());
- logData.put("conversionTime(sec)", (presConvEnd - presConvStart)/1000);
+ logData.put("page", slide.getPageNumber());
+ logData.put("conversionTime(sec)", (pageConvEnd - pageConvStart)/1000);
Gson gson = new Gson();
String logStr = gson.toJson(logData);
-
- log.debug("Presentation conversion duration (sec): data={}", logStr);
- }
-
-
- private List<PdfToSwfSlide> setupSlides(UploadedPresentation pres, int numPages) {
- List<PdfToSwfSlide> slides = new ArrayList<PdfToSwfSlide>(numPages);
-
- for (int page = 1; page <= numPages; page++) {
- PdfToSwfSlide slide = new PdfToSwfSlide(pres, page);
- slide.setBlankSlide(BLANK_SLIDE);
- slide.setMaxSwfFileSize(MAX_SWF_FILE_SIZE);
- slide.setPageConverter(pdfToSwfConverter);
- slide.setPdfPageToImageConversionService(imageConvertService);
-
- slides.add(slide);
- }
-
- return slides;
- }
-
-
-
- public void setCounterService(PageCounterService counterService) {
- this.counterService = counterService;
- }
-
- public void setPageConverter(PageConverter converter) {
- this.pdfToSwfConverter = converter;
- }
-
- public void setPdfPageToImageConversionService(PdfPageToImageConversionService service) {
- this.imageConvertService = service;
- }
-
- public void setBlankSlide(String blankSlide) {
- this.BLANK_SLIDE = blankSlide;
- }
-
- public void setMaxSwfFileSize(int size) {
- this.MAX_SWF_FILE_SIZE = size;
- }
-
- public void setSvgImagesRequired(boolean svg) {
- this.svgImagesRequired = svg;
- }
-
- public void setThumbnailCreator(ThumbnailCreator thumbnailCreator) {
- this.thumbnailCreator = thumbnailCreator;
- }
- public void setTextFileCreator(TextFileCreator textFileCreator) {
- this.textFileCreator = textFileCreator;
- }
- public void setSvgImageCreator(SvgImageCreator svgImageCreator) {
- this.svgImageCreator = svgImageCreator;
- }
- public void setMaxConversionTime(int minutes) {
- MAX_CONVERSION_TIME = minutes * 60 * 1000;
- }
-
- public void setSwfSlidesGenerationProgressNotifier(SwfSlidesGenerationProgressNotifier notifier) {
- this.notifier = notifier;
- }
-
+
+ log.debug("Page conversion duration(sec): data={}", logStr);
+
+ }
+
+ for (final PdfToSwfSlide slide : slides) {
+ if (! slide.isDone()){
+
+ slide.generateBlankSlide();
+
+ Map<String, Object> logData = new HashMap<String, Object>();
+ logData.put("meetingId", pres.getMeetingId());
+ logData.put("presId", pres.getId());
+ logData.put("filename", pres.getName());
+
+ Gson gson = new Gson();
+ String logStr = gson.toJson(logData);
+
+ log.warn("Creating blank slide: data={}", logStr);
+
+ notifier.sendConversionUpdateMessage(slidesCompleted++, pres);
+ }
+ }
+
+ long presConvEnd = System.currentTimeMillis();
+ Map<String, Object> logData = new HashMap<String, Object>();
+ logData.put("meetingId", pres.getMeetingId());
+ logData.put("presId", pres.getId());
+ logData.put("filename", pres.getName());
+ logData.put("conversionTime(sec)", (presConvEnd - presConvStart)/1000);
+ Gson gson = new Gson();
+ String logStr = gson.toJson(logData);
+
+ log.debug("Presentation conversion duration (sec): data={}", logStr);
+ }
+
+
+ private List<PdfToSwfSlide> setupSlides(UploadedPresentation pres, int numPages) {
+ List<PdfToSwfSlide> slides = new ArrayList<PdfToSwfSlide>(numPages);
+
+ for (int page = 1; page <= numPages; page++) {
+ PdfToSwfSlide slide = new PdfToSwfSlide(pres, page);
+ slide.setBlankSlide(BLANK_SLIDE);
+ slide.setMaxSwfFileSize(MAX_SWF_FILE_SIZE);
+ slide.setPageConverter(pdfToSwfConverter);
+ slide.setPdfPageToImageConversionService(imageConvertService);
+
+ slides.add(slide);
+ }
+
+ return slides;
+ }
+
+
+
+ public void setCounterService(PageCounterService counterService) {
+ this.counterService = counterService;
+ }
+
+ public void setPageConverter(PageConverter converter) {
+ this.pdfToSwfConverter = converter;
+ }
+
+ public void setPdfPageToImageConversionService(PdfPageToImageConversionService service) {
+ this.imageConvertService = service;
+ }
+
+ public void setBlankSlide(String blankSlide) {
+ this.BLANK_SLIDE = blankSlide;
+ }
+
+ public void setMaxSwfFileSize(int size) {
+ this.MAX_SWF_FILE_SIZE = size;
+ }
+
+ public void setSvgImagesRequired(boolean svg) {
+ this.svgImagesRequired = svg;
+ }
+
+ public void setThumbnailCreator(ThumbnailCreator thumbnailCreator) {
+ this.thumbnailCreator = thumbnailCreator;
+ }
+ public void setTextFileCreator(TextFileCreator textFileCreator) {
+ this.textFileCreator = textFileCreator;
+ }
+ public void setSvgImageCreator(SvgImageCreator svgImageCreator) {
+ this.svgImageCreator = svgImageCreator;
+ }
+ public void setMaxConversionTime(int minutes) {
+ MAX_CONVERSION_TIME = minutes * 60 * 1000;
+ }
+
+ public void setSwfSlidesGenerationProgressNotifier(SwfSlidesGenerationProgressNotifier notifier) {
+ this.notifier = notifier;
+ }
+
}
diff --git a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/Png2SwfPageConverter.java b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/Png2SwfPageConverter.java
index ffa7359bc5b1c7462f7ac5071f9f1aa77d5d70b6..e7c72f6703eeaae771459d422da97fecfb45819f 100755
--- a/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/Png2SwfPageConverter.java
+++ b/bigbluebutton-web/src/java/org/bigbluebutton/presentation/imp/Png2SwfPageConverter.java
@@ -1,21 +1,21 @@
/**
-* 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/>.
-*
-*/
+ * 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;
@@ -27,25 +27,25 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class Png2SwfPageConverter implements PageConverter {
- private static Logger log = LoggerFactory.getLogger(Png2SwfPageConverter.class);
-
- private String SWFTOOLS_DIR;
-
- public boolean convert(File presentationFile, File output, int page, UploadedPresentation pres){
- String COMMAND = SWFTOOLS_DIR + "/png2swf -o " + output.getAbsolutePath() + " " + presentationFile.getAbsolutePath();
-
- boolean done = new ExternalProcessExecutor().exec(COMMAND, 60000);
-
- if (done && output.exists()) {
- return true;
- } else {
- log.warn("Failed to convert: " + output.getAbsolutePath() + " does not exist.");
- return false;
- }
- }
-
- public void setSwfToolsDir(String dir) {
- SWFTOOLS_DIR = dir;
- }
+ private static Logger log = LoggerFactory.getLogger(Png2SwfPageConverter.class);
+
+ private String SWFTOOLS_DIR;
+
+ public boolean convert(File presentationFile, File output, int page, UploadedPresentation pres){
+ String COMMAND = SWFTOOLS_DIR + "/png2swf -o " + output.getAbsolutePath() + " " + presentationFile.getAbsolutePath();
+
+ boolean done = new ExternalProcessExecutor().exec(COMMAND, 60000);
+
+ if (done && output.exists()) {
+ return true;
+ } else {
+ log.warn("Failed to convert: " + output.getAbsolutePath() + " does not exist.");
+ return false;
+ }
+ }
+
+ public void setSwfToolsDir(String dir) {
+ SWFTOOLS_DIR = dir;
+ }
}