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Hi,
I am trying to support a standard which adds information in the RDF
metadata. This can relatively easily be implemented by subclassing
XMPBasicSchema.
Now the standard is PDF/A3 based and therefore I have to describe the
changed (as defined in 6.6.2.3.2 of the PDF/A standard) using
PDFA3-Extension Schema which is hard:
So I have to add the following structure:
+--bag
+--rdf:li
+--some text node (multiple)
+--property node
+--rdf:Seq
+--rdf:li (multiple) attribute node
+--some text node (multiple)
Which base class should I use? Which functions can I use? I tried
XMPSchemaBasic again but this time I need
not only sequences with attributes (which would work because
addSequenceValue accepts "Elementable") but I need a bag with a
sequences with attributes and addBagValue seems to support only String?
This is an example of a pdfa Extension schema:
<rdf:Description rdf:about=""
xmlns:pdfaExtension="http://www.aiim.org/pdfa/ns/extension/";
xmlns:pdfaSchema="http://www.aiim.org/pdfa/ns/schema#";
xmlns:pdfaProperty="http://www.aiim.org/pdfa/ns/property#";>
<pdfaExtension:schemas>
<rdf:Bag>
<rdf:li rdf:parseType="Resource">
<pdfaSchema:schema> Schema name</pdfaSchema:schema>
<pdfaSchema:namespaceURI>urn:xxxx:pdfa:xxxxx:yy#</pdfaSchema:namespaceURI>
<pdfaSchema:prefix>xy</pdfaSchema:prefix>
<pdfaSchema:property>
<rdf:Seq>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:name>AttributeName</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>description of
name</pdfaProperty:description>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:name>Type</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>sometype</pdfaProperty:description>
</rdf:li>
</rdf:Seq>
</pdfaSchema:property>
</rdf:li>
</rdf:Bag>
</pdfaExtension:schemas>
Thanks and kind regards
Jochen
- --
mit freundlichen Grüßen
Jochen Stärk
www.usegroup.de (home office)
Albigerstr. 22 Huswertstraße 14
55232 Alzey 60435 Frankfurt
Tel: (069)569940-20 Fax: (069)569940-19
Mobil: (0177)4512645
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