Generation of Multiple Page PDF Document is slow

[bruno <bruno (at) lowagie.com>]

GaneshPrakhya wrote:

>Hi Bruno,
>
>As you said in the previous thread (Abhishek's):
>
>"There are other ways to do it, and the book will give you 
>another example using setField and setFieldCache, but 
>the procedure described above is faster because it cuts 
>a lot of corners. 
>
>best regards, 
>Bruno"
>
>I am exactly doing the same, I followed all your steps. Can you suggest me
>how to use setField and setFieldCache for setting AcroForm fields over
>multiple pages. If you can give me an example code, that will be great for
>me.
>
I planned to add a 'fast' example to this page:
http://itext.ugent.be/articles/eid-pdf/ (see the example at the bottom),
but I only found the time to write a description.

Meanwhile maybe setFieldCache can help.
Just create a HashMap outside the loop that sets the fields:
HashMap fieldCache = new HashMap();
Inside the loop you do:
form = stamper.getAcroFields();
form.setFieldCache(fieldcache);
form.setField(...);
This should improve the performance.

(Although not as drastically as the modus operandi
that is described without a code sample.)
br,
Bruno

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