Reading the javadoc for PdfStamper.setMoreInfo() would have helped. To
remove a key:
HashMap<String, String> info = (HashMap<String, String>)reader.getInfo();
info.put("CreationDate", null);
info.put("ModDate", null);
info.put("Author", "Bruno Lowagie");
stamp.setMoreInfo(info);
Paulo
----- Original Message -----
From: "David Kavanagh" <[EMAIL PROTECTED]>
To: "Post all your questions about iText here"
<[email protected]>
Sent: Tuesday, March 13, 2007 8:01 PM
Subject: Re: [iText-questions] Supressing Creation/Mod Date and IDfrom
output
> Bruno,
> I took your AddWaterMarkPageNumbers.java and stripped it down. It still
> produces a PDF with CreationDate and ModDate, even though I removed them
> from the reader info dictionary. Here's the code.
>
> David
>
> PdfReader reader = new PdfReader(args[0]);
> int n = reader.getNumberOfPages();
> // we create a stamper that will copy the document to a new
> file
> PdfStamper stamp = new PdfStamper(reader, new
> FileOutputStream(args[1]));
> // adding some metadata
> HashMap<String, String> info = (HashMap<String,
> String>)reader.getInfo();
> info.remove("CreationDate");
> info.remove("ModDate");
> for (String key : info.keySet()) {
> System.err.println(key+" = "+info.get(key));
> }
> HashMap moreInfo = new HashMap();
> moreInfo.put("Author", "Bruno Lowagie");
> stamp.setMoreInfo(moreInfo);
> // closing PdfStamper will generate the new PDF file
> stamp.close();
>
> PS. I was removing PdfName.CREATIONDATE, etc, but that didn't actually
> remove the date from the dictionary.
>
> Thus Spoke Bruno Lowagie:
>
>>David Kavanagh wrote:
>>
>>
>>>I've used iText a couple of times and think it is a very nice package. I
>>>searched the archives and didn't find an answer to this.
>>>I have a service that performs OCR and produces a PDF. That document has
>>>a creation date which doesn't allow the service to be idempotent. Since
>>>that is one of our goals, I thought I'd use iText to clean up the PDF by
>>>removing the CreationDate. It turns out that CreationDate ModDate and ID
>>>are three things that iText puts into the output. I'd like to be able to
>>>supress those. Does anyone know how I can do that?
>>>
>>>
>>
>>So you have an existing PDF, and you want to remove
>>the CreationDate, ModDate and ID. Then you should use
>>PdfReader and PdfStamper. I uploaded a 'fix' recently
>>that adds an ID (because PdfStamper removes it), maybe
>>we'll need to make that an option in the future.
>>But for now, the current release removes the ID, and
>>you can remove the CreationDate and ModDate keys from
>>the Info dictionary in PdfReader.
>>br,
>>Bruno
>>
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>
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