Web based scaning for java application

[goureddyvenkat]

Hi,

I have a requirement where I need to build a web based scan application which will be used to scan documents from any twain based scanners.
I need help in understaning what all I need to build such solution
Iam using j2ee as the programming language

Thanks,
venkat

[jnicodemus]

You might want to look at the following websites. There are a couple of pay sites where they have written packages that allow java to use twain and one open source site.

Open Source
http://www.mms-computing.co.uk/uk/co/mmscomputing/device/twain/

Pay
http://asprise.com/product/jid/jimagedialog.php
http://www.twainconnect.com/Products.aspx

How To Article
http://www.javaworld.com/javaworld/jw-07-2002/jw-0726-twain.html

Hope these help
Jason

[goureddyvenkat]

Hi,
Thanks for the help,
I used the Open Source
http://www.mms-computing.co.uk/uk/co/mmscomputing/device/twain/
and was able to build my application

Can u tell to how upload the scanned documents to my server (Tomcat)
and I want to convert scanned images to a single pdf.

Thanks & Regards,
venkat

[mmotovsk]

You can also see the online MorenaStudio web scanning example from Gnome company:
http://www.gnome.eu/Twain/examples/studio.html

You can find the Java source code with the upload (save too) solution in the MorenaStudio.java file located in the examples directory of the distribution package. You can download the distribution package here:
http://www.gnome.sk/Twain/jtp_try&buy.html

Morena Framework is a commercial product, but it is free of charge for educational and personal home usage.

To the PDF:
Morena Framework delivers scanned data via standard Java ImageProducer interface. So the task is: “How to save acquired data to the PDF file format, if the they are produced via ImageProducer interface?” We have a feedback from our customers, that they have good experiences with iText, a free library for generating PDF files.

Here is a snapshot demonstrating how to save to pdf file using iText library:

TwainSource source = TwainManager.selectSource(null);

MorenaImage morenaImage = new MorenaImage(source);

Image image=Toolkit.getDefaultToolkit().createImage(morenaImage);



com.lowagie.text.Image iTextImage=com.lowagie.text.Image.getInstance(image, null);

iTextImage.setAbsolutePosition(0, 0);

Document document=new Document(iTextImage);

PdfWriter writer=PdfWriter.getInstance(document, tmp);

document.open();

PdfContentByte cb=writer.getDirectContent();

cb.addImage(iTextImage);

document.close();

But, you can use your preferable PDF libraries.

Martin Motovsky
Member of Gnome’s technical support[/code]

[evanpan]

Hi, venkat.
Thanks for sharing your problem. As for me, I have seldom tried to deal with that kind of problem before. Have you ever worked it out? I wonder whether you have any exprience about pdf extracting process. Because there is something wrong with my pdf reader. I need convert pdf to text or other formats. Any suggestion will be appreciated. Thanks in advance.

Best regards,
Pan

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