Hello All,
I'm developing an application that should merge a set of PDF. The
problem is that I get an java.lang.OutOfMemoryError exception. I tried
to increase the max JVM heap size (java -Xmx???), it helps but I think
it isn't a good solution because I do never know how many PDFs are used
and how much memory it needs.
Is it possible I do something wrong? Below is the most important and
"gluttonous" part of my application (I use itext-paulo-129 version).
Thanks.
Document document = null;
PdfCopy writer = null;
int pageOffset = 0;
ArrayList master = new ArrayList();
FileOutputStream os = new FileOutputStream(strOutFile);
for (int i = 0; i < file_list.length; ++i) {
PdfReader reader = new PdfReader(file_list[i].getName());
int n = reader.getNumberOfPages();
List bookmarks = SimpleBookmark.getBookmark(reader);
if (bookmarks != null) {
if (pageOffset != 0)
SimpleBookmark.shiftPageNumbers(bookmarks, pageOffset, null);
master.addAll(bookmarks);
}
pageOffset += n;
if (i == 0) {
document = new
Document(reader.getPageSizeWithRotation(1));
writer = new PdfCopy(document, os);
document.open();
}
PdfImportedPage page;
for (int j = 0; j < n;) {
++j;
page = writer.getImportedPage(reader, j);
writer.addPage(page);
}
PRAcroForm form = reader.getAcroForm();
if (form != null)
writer.copyAcroForm(reader);
writer.flush();
}
if (document != null) {
if (master.size() > 0)
writer.setOutlines(master);
document.close();
}
--
Best regards,
Sergey Chumakov 2:450/77[.43]
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