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/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2017 IDRsolutions and Contributors.
*
* This file is part of JPedal/JPDF2HTML5
*
This library 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 2.1 of the License, or (at your option) any later version.
This library 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 this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---------------
* SaveFile.java
* ---------------
*/
package org.jpedal.examples.viewer.commands;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import org.jpedal.PdfDecoderInt;
import org.jpedal.examples.viewer.Values;
import org.jpedal.examples.viewer.utils.FileFilterer;
import org.jpedal.examples.viewer.utils.ItextFunctions;
import org.jpedal.external.ExternalHandlers;
import org.jpedal.gui.GUIFactory;
import org.jpedal.objects.acroforms.ReturnValues;
import org.jpedal.utils.LogWriter;
import org.jpedal.utils.Messages;
/**
* Saves the current document file
*/
public class SaveFile {
public static void execute(final Object[] args, final GUIFactory currentGUI, final Values commonValues) {
if (args == null) {
saveFile(currentGUI, commonValues);
}
}
public static void handleUnsaveForms(final GUIFactory currentGUI, final Values commonValues) {
if (!org.jpedal.DevFlags.GUITESTINGINPROGRESS) {
//OLD FORM CHANGE CODE
if (commonValues.isFormsChanged()) {
final int n = currentGUI.showConfirmDialog(Messages.getMessage("PdfViewerFormsUnsavedOptions.message"), Messages.getMessage("PdfViewerFormsUnsavedWarning.message"), JOptionPane.YES_NO_OPTION);
if (n == JOptionPane.YES_OPTION) {
SaveFile.saveFile(currentGUI, commonValues);
}
}
}
commonValues.setFormsChanged(false);
currentGUI.setViewerTitle(null);
}
private static final FileFilterer pdf = new FileFilterer(new String[]{"pdf"}, "Pdf (*.pdf)");
private static final FileFilterer fdf = new FileFilterer(new String[]{"fdf"}, "fdf (*.fdf)");
private static final FileFilterer png = new FileFilterer(new String[]{"png"}, "Png (*.png)");
private static final FileFilterer tif = new FileFilterer(new String[]{"tif"}, "Tiff (*.tif)");
private static final FileFilterer jpg = new FileFilterer(new String[]{"jpg"}, "Jpg (*.jpg)");
private static void saveFile(final GUIFactory currentGUI, final Values commonValues) {
//Prevent save is linearised file is still loading
if (currentGUI.getPdfDecoder().isLoadingLinearizedPDF()) {
currentGUI.showMessageDialog(Messages.getMessage("PdfViewerMessage.LineariseSaveWait"));
} else {
final JFileChooser chooser = new JFileChooser(commonValues.getInputDir());
chooser.setSelectedFile(new File(commonValues.getInputDir() + '/' + commonValues.getSelectedFile()));
chooser.addChoosableFileFilter(pdf);
chooser.addChoosableFileFilter(fdf);
chooser.addChoosableFileFilter(png);
chooser.addChoosableFileFilter(tif);
chooser.addChoosableFileFilter(jpg);
chooser.setFileFilter(pdf);
chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
//set default name to current file name
final int approved = chooser.showSaveDialog(null);
if (approved == JFileChooser.APPROVE_OPTION) {
final String filter = chooser.getFileFilter().getDescription().toLowerCase();
if (filter.startsWith("all") || filter.startsWith("pdf") || filter.startsWith("fdf")) {
saveAsPdf(chooser.getSelectedFile(), currentGUI, commonValues);
} else if (filter.startsWith("png") || filter.startsWith("tif") || filter.startsWith("jpg")) {
saveAsImage(chooser.getSelectedFile(), currentGUI, filter.substring(0, 3));
}
}
}
}
private static void saveAsImage(final File file, final GUIFactory currentGUI, final String ext) {
if (ext.equals("png") || ext.equals("jpg") || ext.equals("tif")) {
final PdfDecoderInt decoder = currentGUI.getPdfDecoder();
final File f = new File(file.getPath().replace("." + ext, "").replace(".pdf", ""));
f.mkdir();
for (int i = 1; i <= decoder.getPageCount(); i++) {
try {
final BufferedImage imageToSave = decoder.getPageAsImage(i, 1);
final String filename = f.getAbsolutePath() + System.getProperty("file.separator") + file.getName().replace(".pdf", "") + "_" + i + '.' + ext;
decoder.getObjectStore().saveStoredImage(filename, imageToSave, true, ext);
} catch (final Exception ex) {
LogWriter.writeLog("Exception attempting to Save as image: " + ex);
}
}
} else {
currentGUI.showMessageDialog(Messages.getMessage("PdfViewerMessage.ImagesSaveUnsupported") + " " + ext);
LogWriter.writeLog("Saving as " + ext + " is currently unsupported.");
}
}
private static void saveAsPdf(File file, final GUIFactory currentGUI, final Values commonValues) {
String fileToSave = file.getAbsolutePath();
File tempFile = null;
//check if pdf is encrypted/password protected
//if new annots have been added we prevent saving
if (currentGUI.getPdfDecoder().isEncrypted()) { // && !decode_pdf.isPasswordSupplied()){
if (currentGUI.getAnnotationPanel().annotationAdded()) {
currentGUI.showMessageDialog(Messages.getMessage("PdfViewerMessage.NewAnnotInEncryptedFile"));
return;
}
}
if (!fileToSave.endsWith(".pdf")) {
fileToSave += ".pdf";
file = new File(fileToSave);
}
if (file.exists()) {
final int n = currentGUI.showConfirmDialog(fileToSave + '\n'
+ Messages.getMessage("PdfViewerMessage.FileAlreadyExists") + '\n'
+ Messages.getMessage("PdfViewerMessage.ConfirmResave"),
Messages.getMessage("PdfViewerMessage.Resave"), JOptionPane.YES_NO_OPTION);
if (n == 1) {
return;
}
}
try {
tempFile = File.createTempFile(file.getName().substring(0, file.getName().lastIndexOf('.')) + "SaveTemp", file.getName().substring(file.getName().lastIndexOf('.')));
copyFile(commonValues.getSelectedFile(), tempFile.getAbsolutePath(), currentGUI);
} catch (final IOException ex) {
LogWriter.writeLog("Exception attempting to create temp file: " + ex);
}
if (tempFile != null) {
if (currentGUI.getValues().isFormsChanged()) {
final Object[] objArr = currentGUI.getPdfDecoder().getFormRenderer().getFormComponents(null, ReturnValues.FORMOBJECTS_FROM_REF, -1);
if (objArr != null) {
currentGUI.getAnnotationPanel().saveForms(commonValues.getSelectedFile(), tempFile.getAbsolutePath(), objArr);
}
}
if (currentGUI.getAnnotationPanel().annotationAdded()) {
currentGUI.getAnnotationPanel().saveAnnotations(tempFile.getAbsolutePath(), fileToSave);
} else {
copyFile(tempFile.getAbsolutePath(), fileToSave, currentGUI);
}
if (ExternalHandlers.isITextPresent()) {
//final ItextFunctions itextFunctions = new ItextFunctions(currentGUI, commonValues.getSelectedFile(), currentGUI.getPdfDecoder());
ItextFunctions.saveFormsData(fileToSave);
}
//Remove temp File
tempFile.delete();
commonValues.setFormsChanged(false);
currentGUI.setViewerTitle(null);
}
}
private static void copyFile(final String input, final String output, final GUIFactory currentGUI) {
/*
* reset flag and graphical clue
*/
FileInputStream fis = null;
FileOutputStream fos = null;
try {
fis = new FileInputStream(input);
fos = new FileOutputStream(output);
final byte[] buffer = new byte[4096];
int bytes_read;
while ((bytes_read = fis.read(buffer)) != -1) {
fos.write(buffer, 0, bytes_read);
}
} catch (final Exception e1) {
//e1.printStackTrace();
currentGUI.showMessageDialog(Messages.getMessage("PdfViewerException.NotSaveInternetFile") + ' ' + e1);
}
try {
if (fis != null) {
fis.close();
}
if (fos != null) {
fos.close();
}
} catch (final IOException e2) {
LogWriter.writeLog("Exception attempting close IOStream: " + e2);
}
}
}