It works fine.
Thanks, Paulo.
Eric
> Date: Thu, 4 Oct 2007 14:51:36 +0100
> From: "Paulo Soares" <[EMAIL PROTECTED]>
> Subject: Re: [iText-questions] Pages extraction : performances issues
> To: "Post all your questions about iText here"
> <itext-questions@lists.sourceforge.net>
> Message-ID:
> <[EMAIL PROTECTED]>
> Content-Type: text/plain; charset="us-ascii"
>
> You can set "Document.plainRandomAccess=true" to have the old behavior.
>
> Paulo
>
>
>> -----Original Message-----
>> From: [EMAIL PROTECTED]
>> [mailto:[EMAIL PROTECTED] On
>> Behalf Of Eric Vray
>> Sent: Monday, October 01, 2007 1:59 PM
>> To: iText mailing list
>> Subject: [iText-questions] Pages extraction : performances issues
>>
>> Hi all,
>>
>> I'm using iText (1.4.1) to extract pages from existing PDF files.
>> I have upgraded to a recent release (2.0.5) and a big slow
>> down appeared.
>>
>> I tried to test each release since 1.4.1 and found the performances
>> issues began with 1.4.5 (maybe caused by the changes listed in release
>> notes as "used a MappedByteBuffer instead of a RandomAccessFile" ?)
>>
>> For example, extracting 1759 pages from a 167Mb/75000 pages PDF takes
>> 40s with iText 1.4.4 and 170s with iText 1.4.5 to 2.0.5 (no
>> differences
>> between 2.0.4 and 2.0.5 in spite of RandowAccessFileOrArray changes)
>>
>> the test code I used :
>>
>> /**
>> * @param inf input file
>> * @param p1 first page to extract
>> * @param p2 last page to extract
>> * @param ouf output file
>> */
>> public void split(File inf,
>> int p1,
>> int p2,
>> File ouf)
>> throws Exception {
>>
>> FileOutputStream fos = new FileOutputStream(ouf);
>> Document doc = new Document();
>>
>> // use a RandomAccessFileOrArray to limit memory size
>> // during extraction
>>
>> PdfReader reader = new PdfReader(
>> new RandomAccessFileOrArray(inf.getAbsolutePath()),
>> null);
>>
>> PdfCopy writer = new PdfCopy(doc, fos);
>> document.open();
>>
>> for(int pageno=p1; pageno<=p2; pageno++){
>> PdfImportedPage page = writer.getImportedPage(
>> reader, pageno);
>> writer.addPage(page);
>> }
>>
>> doc.close();
>> writer.close();
>> fos.close();
>> }
>>
>> Regards,
>> Eric
>>
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