/**
* @param fileToAdd file to add
* @param password password to open the file
* @return the item to add to the table
*/
PdfSelectionTableItem getPdfSelectionTableItem(
File fileToAdd, String password, String pageSelection) {
PdfSelectionTableItem tableItem = null;
PdfReader pdfReader = null;
if (fileToAdd != null) {
tableItem = new PdfSelectionTableItem();
tableItem.setInputFile(fileToAdd);
tableItem.setPassword(password);
tableItem.setPageSelection(pageSelection);
try {
// fix 03/07 for memory usage
pdfReader =
new PdfReader(
new RandomAccessFileOrArray(new FileInputStream(fileToAdd)),
(password != null) ? password.getBytes() : null);
tableItem.setEncrypted(pdfReader.isEncrypted());
tableItem.setPagesNumber(Integer.toString(pdfReader.getNumberOfPages()));
tableItem.setPdfVersion(pdfReader.getPdfVersion());
} catch (Exception e) {
tableItem.setLoadedWithErrors(true);
log.error(
GettextResource.gettext(
Configuration.getInstance().getI18nResourceBundle(), "Error loading ")
+ fileToAdd.getAbsolutePath()
+ " :",
e);
} finally {
if (pdfReader != null) {
pdfReader.close();
pdfReader = null;
}
}
}
return tableItem;
}
private void doActionThumbnail() throws PageException, IOException, DocumentException {
required("pdf", "thumbnail", "source", source);
PDFDocument doc = toPDFDocument(source, password, null);
PdfReader pr = doc.getPdfReader();
boolean isEnc = pr.isEncrypted();
pr.close();
if (isEnc) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
// PDFUtil.concat(new PDFDocument[]{doc}, baos, true, true, true, (char)0);
PDFUtil.encrypt(doc, baos, null, null, 0, PDFUtil.ENCRYPT_NONE);
baos.close();
doc = new PDFDocument(baos.toByteArray(), doc.getResource(), null);
}
doc.setPages(pages);
// scale
if (scale < 1)
throw new ApplicationException(
"value of attribute scale [" + scale + "] should be at least 1");
// destination
if (destination == null)
destination = ResourceUtil.toResourceNotExisting(pageContext, "thumbnails");
// imagePrefix
if (imagePrefix == null) {
Resource res = doc.getResource();
if (res != null) {
String n = res.getName();
int index = n.lastIndexOf('.');
if (index != -1) imagePrefix = n.substring(0, index);
else imagePrefix = n;
} else imagePrefix = "memory";
}
// MUST password
PDFUtil.writeImages(
doc.getRaw(),
doc.getPages(),
destination,
imagePrefix,
format,
scale,
overwrite,
resolution == RESOLUTION_HIGH,
transparent);
}
/**
* Reads a PDF file for retrieving its metadata.
*
* @param file File
*/
public void createTextFromPDF(File file) {
if (file.exists()) {
int page = 1;
PdfReader reader = null;
try {
reader = new PdfReader(new RandomAccessFileOrArray(file.getAbsolutePath()), null);
HashMap<String, String> pdfinfo = reader.getInfo();
StringBuffer sb = new StringBuffer();
sb.append("<html>=== Document Information ===<p>");
sb.append(
reader.getCropBox(page).getHeight() + "*" + reader.getCropBox(page).getWidth() + "<p>");
sb.append("PDF Version: " + reader.getPdfVersion() + "<p>");
sb.append("Number of pages: " + reader.getNumberOfPages() + "<p>");
sb.append("Number of PDF objects: " + reader.getXrefSize() + "<p>");
sb.append("File length: " + reader.getFileLength() + "<p>");
sb.append("Encrypted= " + reader.isEncrypted() + "<p>");
if (pdfinfo.get("Title") != null) {
sb.append("Title= " + pdfinfo.get("Title") + "<p>");
}
if (pdfinfo.get("Author") != null) {
sb.append("Author= " + pdfinfo.get("Author") + "<p>");
}
if (pdfinfo.get("Subject") != null) {
sb.append("Subject= " + pdfinfo.get("Subject") + "<p>");
}
if (pdfinfo.get("Producer") != null) {
sb.append("Producer= " + pdfinfo.get("Producer") + "<p>");
}
if (pdfinfo.get("ModDate") != null) {
sb.append("ModDate= " + PdfDate.decode(pdfinfo.get("ModDate")).getTime() + "<p>");
}
if (pdfinfo.get("CreationDate") != null) {
sb.append(
"CreationDate= " + PdfDate.decode(pdfinfo.get("CreationDate")).getTime() + "<p>");
}
sb.append("</html>");
label.setText(sb.toString());
} catch (IOException ex) {
label.setText("");
}
}
}
