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PDFBOX-6136: ignore empty prefix
git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1930979 13f79535-47bb-0310-9956-ffa450edef68
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‎xmpbox/src/main/java/org/apache/xmpbox/xml/PdfaExtensionHelper.java‎

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@@ -78,6 +78,11 @@ public static void validateNaming(XMPMetadata meta, Element description) throws
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private static void checkNamespaceDeclaration(Attr attr, Class<? extends AbstractStructuredType> clz)
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throws XmpParsingException
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{
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if (attr.getPrefix() == null)
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{
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// PDFBOX-6136: not relevant here
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return;
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}
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String prefix = attr.getLocalName();
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String namespace = attr.getValue();
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String cprefix = clz.getAnnotation(StructuredType.class).preferedPrefix();

‎xmpbox/src/test/java/org/apache/xmpbox/xml/DomXmpParserTest.java‎

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@@ -1576,4 +1576,116 @@ void testPropertyNotDefined2() throws XmpParsingException
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ArrayProperty ap = (ArrayProperty) cfa.getProperty(CFAPatternType.VALUES);
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assertEquals("[1, 2, 0, 1]", ap.getElementsAsString().toString());
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}
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/**
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* PDFBOX-6136: corner case of extension schema because of "xmlns="
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*
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* @throws XmpParsingException
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*/
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@Test
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void testPDFBox6136() throws XmpParsingException
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{
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// File 0018804.pdf (Italian parliament)
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// xmlns="http://www.aiim.org/pdfa/ns/extension/" xmlns:pdfaExtension="http://www.aiim.org/pdfa/ns/extension/"
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String s =
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"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n" +
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"<?xpacket begin='' id='W5M0MpCehiHzreSzNTczkc9d' bytes='6865'?><rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\" xmlns:iX=\"http://ns.adobe.com/iX/1.0/\">\n" +
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" <rdf:Description xmlns=\"http://www.aiim.org/pdfa/ns/extension/\" xmlns:pdfaExtension=\"http://www.aiim.org/pdfa/ns/extension/\" xmlns:pdfaProperty=\"http://www.aiim.org/pdfa/ns/property#\" xmlns:pdfaSchema=\"http://www.aiim.org/pdfa/ns/schema#\" about=\"\">\n" +
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" <pdfaExtension:schemas>\n" +
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" <rdf:Bag>\n" +
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" <rdf:li rdf:parseType=\"Resource\">\n" +
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" <pdfaSchema:namespaceURI>http://ns.adobe.com/pdfx/1.3/</pdfaSchema:namespaceURI>\n" +
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" <pdfaSchema:prefix>pdfx</pdfaSchema:prefix>\n" +
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" <pdfaSchema:schema>Adobe Document Info PDF eXtension Schema</pdfaSchema:schema>\n" +
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" <pdfaSchema:property>\n" +
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" <rdf:Seq>\n" +
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" <rdf:li rdf:parseType=\"Resource\">\n" +
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" <pdfaProperty:category>internal</pdfaProperty:category>\n" +
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" <pdfaProperty:description>ID of PDF/X standard</pdfaProperty:description>\n" +
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" <pdfaProperty:name>GTS_PDFXVersion</pdfaProperty:name>\n" +
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" <pdfaProperty:valueType>Text</pdfaProperty:valueType>\n" +
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" </rdf:li>\n" +
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" <rdf:li rdf:parseType=\"Resource\">\n" +
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" <pdfaProperty:category>internal</pdfaProperty:category>\n" +
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" <pdfaProperty:description>Conformance level of PDF/X standard</pdfaProperty:description>\n" +
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" <pdfaProperty:name>GTS_PDFXConformance</pdfaProperty:name>\n" +
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" <pdfaProperty:valueType>Text</pdfaProperty:valueType>\n" +
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" </rdf:li>\n" +
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" <rdf:li rdf:parseType=\"Resource\">\n" +
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" <pdfaProperty:category>internal</pdfaProperty:category>\n" +
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" <pdfaProperty:description>Company creating the PDF</pdfaProperty:description>\n" +
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" <pdfaProperty:name>Company</pdfaProperty:name>\n" +
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" <pdfaProperty:valueType>Text</pdfaProperty:valueType>\n" +
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" </rdf:li>\n" +
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" <rdf:li rdf:parseType=\"Resource\">\n" +
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" <pdfaProperty:category>internal</pdfaProperty:category>\n" +
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" <pdfaProperty:description>Date when document was last modified</pdfaProperty:description>\n" +
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" <pdfaProperty:name>SourceModified</pdfaProperty:name>\n" +
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" <pdfaProperty:valueType>Text</pdfaProperty:valueType>\n" +
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" </rdf:li>\n" +
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" </rdf:Seq>\n" +
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" </pdfaSchema:property>\n" +
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" </rdf:li>\n" +
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" <rdf:li rdf:parseType=\"Resource\">\n" +
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" <pdfaSchema:namespaceURI>http://ns.adobe.com/xap/1.0/mm/</pdfaSchema:namespaceURI>\n" +
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" <pdfaSchema:prefix>xmpMM</pdfaSchema:prefix>\n" +
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" <pdfaSchema:schema>XMP Media Management Schema</pdfaSchema:schema>\n" +
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" <pdfaSchema:property>\n" +
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" <rdf:Seq>\n" +
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" <rdf:li rdf:parseType=\"Resource\">\n" +
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" <pdfaProperty:category>internal</pdfaProperty:category>\n" +
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" <pdfaProperty:description>UUID based identifier for specific incarnation of a document</pdfaProperty:description>\n" +
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" <pdfaProperty:name>InstanceID</pdfaProperty:name>\n" +
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" <pdfaProperty:valueType>URI</pdfaProperty:valueType>\n" +
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" </rdf:li>\n" +
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" <rdf:li rdf:parseType=\"Resource\">\n" +
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" <pdfaProperty:category>internal</pdfaProperty:category>\n" +
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" <pdfaProperty:description>The common identifier for all versions and renditions of a document.</pdfaProperty:description>\n" +
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" <pdfaProperty:name>OriginalDocumentID</pdfaProperty:name>\n" +
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" <pdfaProperty:valueType>URI</pdfaProperty:valueType>\n" +
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" </rdf:li>\n" +
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" </rdf:Seq>\n" +
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" </pdfaSchema:property>\n" +
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" </rdf:li>\n" +
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" <rdf:li rdf:parseType=\"Resource\">\n" +
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" <pdfaSchema:namespaceURI>http://www.aiim.org/pdfa/ns/id/</pdfaSchema:namespaceURI>\n" +
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" <pdfaSchema:prefix>pdfaid</pdfaSchema:prefix>\n" +
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" <pdfaSchema:schema>PDF/A ID Schema</pdfaSchema:schema>\n" +
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" <pdfaSchema:property>\n" +
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" <rdf:Seq>\n" +
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" <rdf:li rdf:parseType=\"Resource\">\n" +
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" <pdfaProperty:category>internal</pdfaProperty:category>\n" +
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" <pdfaProperty:description>Part of PDF/A standard</pdfaProperty:description>\n" +
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" <pdfaProperty:name>part</pdfaProperty:name>\n" +
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" <pdfaProperty:valueType>Integer</pdfaProperty:valueType>\n" +
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" </rdf:li>\n" +
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" <rdf:li rdf:parseType=\"Resource\">\n" +
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" <pdfaProperty:category>internal</pdfaProperty:category>\n" +
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" <pdfaProperty:description>Amendment of PDF/A standard</pdfaProperty:description>\n" +
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" <pdfaProperty:name>amd</pdfaProperty:name>\n" +
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" <pdfaProperty:valueType>Text</pdfaProperty:valueType>\n" +
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" </rdf:li>\n" +
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" <rdf:li rdf:parseType=\"Resource\">\n" +
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" <pdfaProperty:category>internal</pdfaProperty:category>\n" +
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" <pdfaProperty:description>Conformance level of PDF/A standard</pdfaProperty:description>\n" +
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" <pdfaProperty:name>conformance</pdfaProperty:name>\n" +
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" <pdfaProperty:valueType>Text</pdfaProperty:valueType>\n" +
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" </rdf:li>\n" +
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" </rdf:Seq>\n" +
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" </pdfaSchema:property>\n" +
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" </rdf:li>\n" +
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" </rdf:Bag>\n" +
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" </pdfaExtension:schemas>\n" +
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" </rdf:Description>\n" +
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" <rdf:Description xmlns=\"http://www.aiim.org/pdfa/ns/id/\" xmlns:pdfaid=\"http://www.aiim.org/pdfa/ns/id/\" about=\"\">\n" +
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" <pdfaid:part>1</pdfaid:part>\n" +
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" <pdfaid:conformance>B</pdfaid:conformance>\n" +
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" </rdf:Description>\n" +
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"</rdf:RDF><?xpacket end='r'?>";
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final DomXmpParser xmpParser = new DomXmpParser();
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xmpParser.setStrictParsing(false);
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XMPMetadata xmp = xmpParser.parse(s.getBytes(StandardCharsets.UTF_8));
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assertEquals("B", xmp.getPDFAIdentificationSchema().getConformance());
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assertEquals((Integer) 1, xmp.getPDFAIdentificationSchema().getPart());
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}
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}

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