[jira] [Created] (PDFBOX-3241) return original PDF Header

["Tilman Hausherr (JIRA)" <ji...@apache.org>]

Tilman Hausherr created PDFBOX-3241:
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             Summary: return original PDF Header
                 Key: PDFBOX-3241
                 URL: https://issues.apache.org/jira/browse/PDFBOX-3241
             Project: PDFBox
          Issue Type: Wish
          Components: Parsing
    Affects Versions: 1.8.11
            Reporter: Tilman Hausherr
            Assignee: Tilman Hausherr
             Fix For: 1.8.12


Wish by [~abyss] presented in the mailing list
{quote}
Yes, I know, that the version in catalog shall be used to determine version
and therefore the version COSDocument#getVersion() method result is expected
to reflect that. But I ask the header string. And it's result differs from
the actual header string in the file after PDFParser finishes its job.

Please, bear also in mind that Extensions Dictionary (see ISO 32000-1
chapter 7.12) validation should consider the values both in document catalog
and header:
"The value of BaseVersion, when treated as a version number, shall be less
than or equal to the PDF version, both in the document header (see 7.5.2,
"File Header") and the catalog Version key value, if present."

As it says "both", that means BaseVersion may not exceed the value neither
in header nor in catalog, therefore we need to validate that. 
{quote}
my answer:

How about something like this:
{code}
private String originalHeaderString = null;

public void setOriginalHeaderString(String header)
    {
        if (originalHeaderString != null)
              throw bad state exception blah blah
        originalHeaderString = header;
    }

public String getOriginalHeaderString()
{
    return originalHeaderString ;
}
{code}
The setter should be called only once by parseHeader().

This was accepted, so I'll implement it (for 1.8 only)



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