Author: tilman
Date: Tue Dec 30 11:22:33 2025
New Revision: 1930979
Log:
PDFBOX-6136: ignore empty prefix
Modified:
pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/xml/PdfaExtensionHelper.java
pdfbox/trunk/xmpbox/src/test/java/org/apache/xmpbox/xml/DomXmpParserTest.java
Modified:
pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/xml/PdfaExtensionHelper.java
==============================================================================
---
pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/xml/PdfaExtensionHelper.java
Tue Dec 30 11:22:27 2025 (r1930978)
+++
pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/xml/PdfaExtensionHelper.java
Tue Dec 30 11:22:33 2025 (r1930979)
@@ -78,6 +78,11 @@ public final class PdfaExtensionHelper
private static void checkNamespaceDeclaration(Attr attr, Class<? extends
AbstractStructuredType> clz)
throws XmpParsingException
{
+ if (attr.getPrefix() == null)
+ {
+ // PDFBOX-6136: not relevant here
+ return;
+ }
String prefix = attr.getLocalName();
String namespace = attr.getValue();
String cprefix =
clz.getAnnotation(StructuredType.class).preferedPrefix();
Modified:
pdfbox/trunk/xmpbox/src/test/java/org/apache/xmpbox/xml/DomXmpParserTest.java
==============================================================================
---
pdfbox/trunk/xmpbox/src/test/java/org/apache/xmpbox/xml/DomXmpParserTest.java
Tue Dec 30 11:22:27 2025 (r1930978)
+++
pdfbox/trunk/xmpbox/src/test/java/org/apache/xmpbox/xml/DomXmpParserTest.java
Tue Dec 30 11:22:33 2025 (r1930979)
@@ -1576,4 +1576,116 @@ class DomXmpParserTest
ArrayProperty ap = (ArrayProperty)
cfa.getProperty(CFAPatternType.VALUES);
assertEquals("[1, 2, 0, 1]", ap.getElementsAsString().toString());
}
+
+ /**
+ * PDFBOX-6136: corner case of extension schema because of "xmlns="
+ *
+ * @throws XmpParsingException
+ */
+ @Test
+ void testPDFBox6136() throws XmpParsingException
+ {
+ // File 0018804.pdf (Italian parliament)
+ // xmlns="http://www.aiim.org/pdfa/ns/extension/";
xmlns:pdfaExtension="http://www.aiim.org/pdfa/ns/extension/";
+ String s =
+ "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n" +
+ "<?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" +
+ " <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" +
+ " <pdfaExtension:schemas>\n" +
+ " <rdf:Bag>\n" +
+ " <rdf:li rdf:parseType=\"Resource\">\n" +
+ "
<pdfaSchema:namespaceURI>http://ns.adobe.com/pdfx/1.3/</pdfaSchema:namespaceURI>\n"
+
+ "
<pdfaSchema:prefix>pdfx</pdfaSchema:prefix>\n" +
+ " <pdfaSchema:schema>Adobe Document Info PDF
eXtension Schema</pdfaSchema:schema>\n" +
+ " <pdfaSchema:property>\n" +
+ " <rdf:Seq>\n" +
+ " <rdf:li
rdf:parseType=\"Resource\">\n" +
+ "
<pdfaProperty:category>internal</pdfaProperty:category>\n" +
+ " <pdfaProperty:description>ID of
PDF/X standard</pdfaProperty:description>\n" +
+ "
<pdfaProperty:name>GTS_PDFXVersion</pdfaProperty:name>\n" +
+ "
<pdfaProperty:valueType>Text</pdfaProperty:valueType>\n" +
+ " </rdf:li>\n" +
+ " <rdf:li
rdf:parseType=\"Resource\">\n" +
+ "
<pdfaProperty:category>internal</pdfaProperty:category>\n" +
+ "
<pdfaProperty:description>Conformance level of PDF/X
standard</pdfaProperty:description>\n" +
+ "
<pdfaProperty:name>GTS_PDFXConformance</pdfaProperty:name>\n" +
+ "
<pdfaProperty:valueType>Text</pdfaProperty:valueType>\n" +
+ " </rdf:li>\n" +
+ " <rdf:li
rdf:parseType=\"Resource\">\n" +
+ "
<pdfaProperty:category>internal</pdfaProperty:category>\n" +
+ " <pdfaProperty:description>Company
creating the PDF</pdfaProperty:description>\n" +
+ "
<pdfaProperty:name>Company</pdfaProperty:name>\n" +
+ "
<pdfaProperty:valueType>Text</pdfaProperty:valueType>\n" +
+ " </rdf:li>\n" +
+ " <rdf:li
rdf:parseType=\"Resource\">\n" +
+ "
<pdfaProperty:category>internal</pdfaProperty:category>\n" +
+ " <pdfaProperty:description>Date
when document was last modified</pdfaProperty:description>\n" +
+ "
<pdfaProperty:name>SourceModified</pdfaProperty:name>\n" +
+ "
<pdfaProperty:valueType>Text</pdfaProperty:valueType>\n" +
+ " </rdf:li>\n" +
+ " </rdf:Seq>\n" +
+ " </pdfaSchema:property>\n" +
+ " </rdf:li>\n" +
+ " <rdf:li rdf:parseType=\"Resource\">\n" +
+ "
<pdfaSchema:namespaceURI>http://ns.adobe.com/xap/1.0/mm/</pdfaSchema:namespaceURI>\n"
+
+ "
<pdfaSchema:prefix>xmpMM</pdfaSchema:prefix>\n" +
+ " <pdfaSchema:schema>XMP Media Management
Schema</pdfaSchema:schema>\n" +
+ " <pdfaSchema:property>\n" +
+ " <rdf:Seq>\n" +
+ " <rdf:li
rdf:parseType=\"Resource\">\n" +
+ "
<pdfaProperty:category>internal</pdfaProperty:category>\n" +
+ " <pdfaProperty:description>UUID
based identifier for specific incarnation of a
document</pdfaProperty:description>\n" +
+ "
<pdfaProperty:name>InstanceID</pdfaProperty:name>\n" +
+ "
<pdfaProperty:valueType>URI</pdfaProperty:valueType>\n" +
+ " </rdf:li>\n" +
+ " <rdf:li
rdf:parseType=\"Resource\">\n" +
+ "
<pdfaProperty:category>internal</pdfaProperty:category>\n" +
+ " <pdfaProperty:description>The
common identifier for all versions and renditions of a
document.</pdfaProperty:description>\n" +
+ "
<pdfaProperty:name>OriginalDocumentID</pdfaProperty:name>\n" +
+ "
<pdfaProperty:valueType>URI</pdfaProperty:valueType>\n" +
+ " </rdf:li>\n" +
+ " </rdf:Seq>\n" +
+ " </pdfaSchema:property>\n" +
+ " </rdf:li>\n" +
+ " <rdf:li rdf:parseType=\"Resource\">\n" +
+ "
<pdfaSchema:namespaceURI>http://www.aiim.org/pdfa/ns/id/</pdfaSchema:namespaceURI>\n"
+
+ "
<pdfaSchema:prefix>pdfaid</pdfaSchema:prefix>\n" +
+ " <pdfaSchema:schema>PDF/A ID
Schema</pdfaSchema:schema>\n" +
+ " <pdfaSchema:property>\n" +
+ " <rdf:Seq>\n" +
+ " <rdf:li
rdf:parseType=\"Resource\">\n" +
+ "
<pdfaProperty:category>internal</pdfaProperty:category>\n" +
+ " <pdfaProperty:description>Part of
PDF/A standard</pdfaProperty:description>\n" +
+ "
<pdfaProperty:name>part</pdfaProperty:name>\n" +
+ "
<pdfaProperty:valueType>Integer</pdfaProperty:valueType>\n" +
+ " </rdf:li>\n" +
+ " <rdf:li
rdf:parseType=\"Resource\">\n" +
+ "
<pdfaProperty:category>internal</pdfaProperty:category>\n" +
+ "
<pdfaProperty:description>Amendment of PDF/A
standard</pdfaProperty:description>\n" +
+ "
<pdfaProperty:name>amd</pdfaProperty:name>\n" +
+ "
<pdfaProperty:valueType>Text</pdfaProperty:valueType>\n" +
+ " </rdf:li>\n" +
+ " <rdf:li
rdf:parseType=\"Resource\">\n" +
+ "
<pdfaProperty:category>internal</pdfaProperty:category>\n" +
+ "
<pdfaProperty:description>Conformance level of PDF/A
standard</pdfaProperty:description>\n" +
+ "
<pdfaProperty:name>conformance</pdfaProperty:name>\n" +
+ "
<pdfaProperty:valueType>Text</pdfaProperty:valueType>\n" +
+ " </rdf:li>\n" +
+ " </rdf:Seq>\n" +
+ " </pdfaSchema:property>\n" +
+ " </rdf:li>\n" +
+ " </rdf:Bag>\n" +
+ " </pdfaExtension:schemas>\n" +
+ " </rdf:Description>\n" +
+ " <rdf:Description xmlns=\"http://www.aiim.org/pdfa/ns/id/\";
xmlns:pdfaid=\"http://www.aiim.org/pdfa/ns/id/\"; about=\"\">\n" +
+ " <pdfaid:part>1</pdfaid:part>\n" +
+ " <pdfaid:conformance>B</pdfaid:conformance>\n" +
+ " </rdf:Description>\n" +
+ "</rdf:RDF><?xpacket end='r'?>";
+ final DomXmpParser xmpParser = new DomXmpParser();
+ xmpParser.setStrictParsing(false);
+ XMPMetadata xmp = xmpParser.parse(s.getBytes(StandardCharsets.UTF_8));
+ assertEquals("B", xmp.getPDFAIdentificationSchema().getConformance());
+ assertEquals((Integer) 1, xmp.getPDFAIdentificationSchema().getPart());
+ }
}
