Hello iTexters,
first of all, let me thank you for developing this software.
I try to implement currently iText in Magnolia. Magnolia is a Java based
Open Source CMS system built on JCR. For more info: www.magnolia.info
My goal is to develop a dynamic print-page function based on the PDF file
format for the Open Source version of Magnolia.
What I envisioned was:
- in magnolia I can adjust the general page parameters like margins, used
fonts, header an footer image etc. on a per-page basis (so the editor can
actually choose how the particular page would look if it will be printed).
- I made a few test and put together a servlet based on your very
comprehensive tutorials. I am using the HTTP Servlet (from your tutorials)
to get the interesting parts of the particular page. For the prototype I'm
using a form with different textareas containing the particular data (like
margins, fonts etc.) and I'm submitting this to the servlet.
- Most of the things I would like to accomplish are working good or I see
clearly how a I can code them later.
But now I'm stucked on a few points. Maybe somebody of the more experienced
developers could give me some hints. I also have to say that I'm realy a
java/jsp nooby, so some snippets would be very usefull (sorry for my
ignorance, but I realy just started with programming - I'm actually only a
designer....)
Here are some of my problems/challenges:
Characters:
--------------------
I have problems with foreign characters like ü ö ä ß. How can I tell the
servlet to use foreign characters?
Header Image:
--------------------
I had some success in running your Image sample servlet. My problem is that
I have to deal with dynamically changing images. I have tried to do this by:
Declaring a string
String headerImage = request.getParameter("headerImage");
(for "headerImage" I can get anything I would like from the CMS) ...
And after
Document document = new Document();
...
if (headerImage != null)
{
document.newPage();
document.add(new Paragraph("This should be my Image"));
Image jpg = Image.getInstance(headerImage);
document.add(jpg);
}
I do not getting any error, but no image will be put inside of my pdf.
Do you have any advise how I should handle this?
Content:
I decided to take over the content as a html-snippet (stream?). I'm not sure
if this is the best way, but the pages can contain anything from tables to
images to links. So I thought that this would be the simplest way. I know
that XML would be also an option, but for that I have to generate XML, store
it somewhere, transmit this to the servlet and afterwards delete the XML
file - sounds complicated for me - or did I missed something?
A typical html-snippet would look like this:
<h2>First paragraph wit a Link</h2>This is just to show how a link looks <a
target="_blank" href="http://localhost:8080/comform/createpdf">PDF<br />
</a> <div class="productBoxDownloadTitle"><br /> Magnolia Content
Management Suite is the leading open-source Enterprise Content Management
built on the revolutionary Java Content Repository Standard JSR-170</div>
Magnolia 2.1 speaks 15 major languages, including English, Chinese,
Japanese, Russian, French, German, Spanish and Portuguese. It contains
numerous new features: native search, XML-based import/export, a new
cross-browser rich-text editor and drop-in single container deployment
amongst others.<img alt="" class="left"
src="/comform/features/PDF-Test/mainColumnParagraphs/00/image/2.jpg"/><h2>Se
cond Paragraph with text and Image</h2><div
class="productBoxDownloadTitle">Magnolia Content Management Suite is the
leading open-source Enterprise Content Management built on the revolutionary
Java Content Repository Standard JSR-170</div> Magnolia 2.1 speaks 15 major
languages, including English, Chinese, Japanese, Russian, French, German,
Spanish and Portuguese. It contains numerous new features: native search,
XML-based import/export, a new cross-browser rich-text editor and drop-in
single container deployment amongst others.
Now her is the problem: I had even problems to get the "old" tutorial for
parsing HTML/XHTML documents up and running. Now I don't have a clue how I
would have to parse only some PARTS of a html page :-)
I've tried already with:
...
String parserTest = request.getParameter("parserTest");
...
if (parserTest != null)
{
PdfWriter.getInstance(document, response.getOutputStream());
// step 3: we create a parser and set the document
handler
SAXParser parser =
SAXParserFactory.newInstance().newSAXParser();
// step 4: we parse the document
parser.parse(parserTest, new
SAXmyHtmlHandler(document));
}
....
But I seem to miss something... :-) Please remember: a nooby is trying to
code something :-)!
Is that actually possible? Or am I on the completely wrong way?
Any help is greatly appreciated. Thanks again and sorry for the ultral-long
posting...
Greetings from Cologne Germany,
Sandor Rozsa
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