Je voudrais modifier les métadonnées existantes XMP en format pdf en utilisant iText ou une bibliothèque similaire.Modifier les métadonnées au format pdf XMP
Je récupère la chaîne XMP par com.itextpdf.text.pdf.PdfReader.getMetadata() Ci-dessous, nous avons par exemple XMP
<?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d"?>
<x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="Adobe XMP Core 5.2-c001 63.139439, 2010/09/27-13:37:26 ">
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<rdf:Description rdf:about=""
xmlns:dc="http://purl.org/dc/elements/1.1/">
<dc:format>application/pdf</dc:format>
<dc:identifier>10.1016/j.aipprr.2017.03.003</dc:identifier>
<dc:title>
<rdf:Alt>
<rdf:li xml:lang="x-default">Prólogo</rdf:li>
</rdf:Alt>
</dc:title>
<dc:creator>
<rdf:Seq>
<rdf:li>Rolando Díaz-Loving</rdf:li>
</rdf:Seq>
</dc:creator>
<dc:description>
<rdf:Alt>
<rdf:li xml:lang="x-default">Acta de Investigación Psicológica , 7 (2017) 2559. doi:10.1016/j.aipprr.2017.03.003</rdf:li>
</rdf:Alt>
</dc:description>
<dc:publisher>
<rdf:Bag>
<rdf:li>Universidad Nacional Autónoma de México, Facultad de Psicología</rdf:li>
</rdf:Bag>
</dc:publisher>
</rdf:Description>
<rdf:Description rdf:about=""
xmlns:prism="http://prismstandard.org/namespaces/basic/3.0/">
<prism:aggregationType>journal</prism:aggregationType>
<prism:publicationName>Acta de Investigación Psicológica </prism:publicationName>
<prism:copyright>© 2017 Universidad Nacional Autónoma de México, Facultad de Psicología. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).</prism:copyright>
<prism:issn>2007-4719</prism:issn>
<prism:volume>7</prism:volume>
<prism:number>1</prism:number>
<prism:coverDisplayDate>April 2017</prism:coverDisplayDate>
<prism:pageRange>2559</prism:pageRange>
<prism:startingPage>2559</prism:startingPage>
<prism:doi>10.1016/j.aipprr.2017.03.003</prism:doi>
<prism:url>http://dx.doi.org/10.1016/j.aipprr.2017.03.003</prism:url>
</rdf:Description>
<rdf:Description rdf:about=""
xmlns:crossmark="http://crossref.org/crossmark/1.0/">
<crossmark:MajorVersionDate>2010-04-23</crossmark:MajorVersionDate>
<crossmark:CrossmarkDomainExclusive>true</crossmark:CrossmarkDomainExclusive>
<crossmark:DOI>10.1016/j.aipprr.2017.03.003</crossmark:DOI>
<crossmark:CrossMarkDomains>
<rdf:Seq>
<rdf:li>elsevier.com</rdf:li>
<rdf:li>sciencedirect.com</rdf:li>
</rdf:Seq>
</crossmark:CrossMarkDomains>
</rdf:Description>
<rdf:Description rdf:about=""
xmlns:jav="http://www.niso.org/schemas/jav/1.0/">
<jav:journal_article_version>VoR</jav:journal_article_version>
</rdf:Description>
<rdf:Description rdf:about=""
xmlns:pdfx="http://ns.adobe.com/pdfx/1.3/">
<pdfx:ElsevierWebPDFSpecifications>6.5</pdfx:ElsevierWebPDFSpecifications>
<pdfx:doi>10.1016/j.aipprr.2017.03.003</pdfx:doi>
<pdfx:robots>noindex</pdfx:robots>
<pdfx:CrossmarkMajorVersionDate>2010-04-23</pdfx:CrossmarkMajorVersionDate>
<pdfx:CrossmarkDomainExclusive>true</pdfx:CrossmarkDomainExclusive>
<pdfx:CrossMarkDomainsↂ005B1ↂ005D>sciencedirect.com</pdfx:CrossMarkDomainsↂ005B1ↂ005D>
<pdfx:CrossMarkDomainsↂ005B2ↂ005D>elsevier.com</pdfx:CrossMarkDomainsↂ005B2ↂ005D>
<pdfx:CrossMarkDomains>
<rdf:Seq>
<rdf:li>sciencedirect.com</rdf:li>
<rdf:li>elsevier.com</rdf:li>
</rdf:Seq>
</pdfx:CrossMarkDomains>
</rdf:Description>
<rdf:Description rdf:about=""
xmlns:xmp="http://ns.adobe.com/xap/1.0/">
<xmp:CreatorTool>Elsevier</xmp:CreatorTool>
<xmp:ModifyDate>2017-05-25T20:23:38-05:00</xmp:ModifyDate>
<xmp:CreateDate>2017-05-03T16:07:41Z</xmp:CreateDate>
<xmp:MetadataDate>2017-05-25T20:23:38-05:00</xmp:MetadataDate>
</rdf:Description>
<rdf:Description rdf:about=""
xmlns:xmpRights="http://ns.adobe.com/xap/1.0/rights/">
<xmpRights:Marked>True</xmpRights:Marked>
</rdf:Description>
<rdf:Description rdf:about=""
xmlns:pdf="http://ns.adobe.com/pdf/1.3/">
<pdf:Trapped>True</pdf:Trapped>
<pdf:Producer>Acrobat Distiller 9.0.0 (Windows)</pdf:Producer>
<pdf:Keywords/>
</rdf:Description>
<rdf:Description rdf:about=""
xmlns:xmpMM="http://ns.adobe.com/xap/1.0/mm/">
<xmpMM:DocumentID>uuid:9d0cc73b-66d9-4125-9685-0f38e1653c8b</xmpMM:DocumentID>
<xmpMM:InstanceID>uuid:a666df63-92f4-44d1-8d4a-4a61bc95b979</xmpMM:InstanceID>
</rdf:Description>
<rdf:Description rdf:about=""
xmlns:ali="http://www.niso.org/schemas/ali/1.0/">
<ali:license_ref>
<rdf:Bag>
<rdf:li rdf:parseType="Resource">
<ali:uri>http://creativecommons.org/licenses/by-nc-nd/4.0/</ali:uri>
</rdf:li>
</rdf:Bag>
</ali:license_ref>
</rdf:Description>
</rdf:RDF>
</x:xmpmeta>
<?xpacket end="w"?>
Et maintenant je voudrais modifier <xmp:ModifyDate>2017-05-25T20:23:38-05:00</xmp:ModifyDate>
avec horodatage en cours, mais i En fait, je ne sais pas comment le faire sans littéralement l'analyse des chaînes. Y a-t-il une bibliothèque permettant de modifier xmp?
Vous ne pouvez pas et ne devez pas contrôler la date de modification. iText modifie automatiquement cette date en fonction de l'heure de l'ordinateur lorsque vous manipulez le fichier. –
C'était juste un exemple, je voudrais aussi modifier d'autres propriétés –
Quelle version d'iText utilisez-vous? iText 5 et iText 7 sont assez différents. –