Some remarks:
- you did your changes in an old source file.
- the temp file is deleted on close. It makes impossible to reopen.
The javadoc needs a warning about the memory but I'll leave the rest to
the user.
Paulo
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of Massimiliano Ziccardi
> Sent: Thursday, June 19, 2008 4:01 PM
> To: [email protected]
> Subject: Re: [iText-questions] Problem parsing huge PDF files
>
> Hi Paulo.
>
> I solved the problem.
> I've looked through the iText sources and I've found the problem.
>
> The PDF file I've to parse, is extracted from an Oracle BLOB,
> so the RandomAccessFileOrArray received an InputStream
> as input.
> Looking through the RandomAccessFileOrArray class, I've
> discovered that InputStreams are fully loaded into an byte
> array: this was
> the reason I always got OutOfMemory.
>
> I solved the problem saving the stream to a temporary file
> and then passing the file to RandomAccessFileOrArray.
>
> **I think the JavaDoc should clearly say that passing an
> input stream you get the file fully loaded in memory, don't
> you agree?**
>
> One more think: I think it would be nice if streams bigger
> than a given size would be saved to a temporary file instead
> of memory.
>
> An example of this implementation is the attached file.
> It could be improved in many way: a static configuration
> class, where you can enable/disable temporary file saving,
> configure the MAXIMUM memory consumption, configure the
> temporary directory, etc...
>
> Regards,
> Massimiliano Ziccardi
>
>
>
>
>
>
> On Thu, Jun 19, 2008 at 1:30 PM, Paulo Soares
> <[EMAIL PROTECTED]> wrote:
>
>
> The problem is that you have a lot of objects and even
> though iText only
> stores the xref it is still a few million elements to
> store. It could be
> possible to have this in file instead of memory but
> that's not how
> things work now.
>
> Paulo
>
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On
> > Behalf Of Massimiliano Ziccardi
>
> > Sent: Thursday, June 19, 2008 12:19 PM
> > To: [email protected]
>
> > Subject: Re: [iText-questions] Mail delivery failed:
> > returning message tosender
> >
> > Thanks Paulo.
> >
> > That solution do not works. I already tried (I found that on
> > the mailing list archive), but
> > I always get OutOfMemory (My JVM has 512M of memory).
> >
> > >Big PDFs will always require more memory, no miracles here.
> >
> > I'm not very expert about internal PDF structure. My question
> > is: do iText has some
> > streaming function, so that it takes very few data in memory
> > and writes all the temporary data
> > on a temporary file?
> >
> > Thanks,
> > Massimiliano Ziccardi
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