Author: tilman
Date: Fri Nov 28 10:12:11 2025
New Revision: 1930042

Log:
PDFBOX-2378: revert initial change (avoid rdf namespace declarations getting 
lost in serialization), it is no longer needed

Modified:
   pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/XMPMetadata.java
   pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/xml/DomXmpParser.java
   pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/xml/XmpSerializer.java
   
pdfbox/trunk/xmpbox/src/test/java/org/apache/xmpbox/parser/DeserializationTest.java

Modified: pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/XMPMetadata.java
==============================================================================
--- pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/XMPMetadata.java        
Fri Nov 28 08:30:15 2025        (r1930041)
+++ pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/XMPMetadata.java        
Fri Nov 28 10:12:11 2025        (r1930042)
@@ -21,7 +21,6 @@
 package org.apache.xmpbox;
 
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
@@ -64,8 +63,6 @@ public class XMPMetadata
 
     private final List<XMPSchema> schemas;
 
-    private Map<String, String> rdfAttributeMap = Collections.emptyMap();
-
     private final TypeMapping typeMapping;
 
     /**
@@ -578,24 +575,4 @@ public class XMPMetadata
     {
         schemas.clear();
     }
-
-    /**
-     * Get the rdf attribute map (namespace declarations). This is used in 
serialization.
-     *
-     * @return the rdf attribute map.
-     */
-    public Map<String, String> getRdfAttributeMap()
-    {
-        return Collections.unmodifiableMap(rdfAttributeMap);
-    }
-
-    /**
-     * Set the rdf attribute map (namespace declarations). This is used in 
serialization.
-     *
-     * @param rdfAttributeMap an rdf attribute map.
-     */
-    public void setRdfAttributeMap(Map<String, String> rdfAttributeMap)
-    {
-        this.rdfAttributeMap = rdfAttributeMap;
-    }
 }

Modified: 
pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/xml/DomXmpParser.java
==============================================================================
--- pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/xml/DomXmpParser.java   
Fri Nov 28 08:30:15 2025        (r1930041)
+++ pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/xml/DomXmpParser.java   
Fri Nov 28 10:12:11 2025        (r1930042)
@@ -195,21 +195,6 @@ public class DomXmpParser
             }
         }
 
-        // PDFBOX-2378: keep rdf namespace declarations for later serialization
-        NamedNodeMap attributes = rdfRdf.getAttributes();
-        if (attributes != null)
-        {
-            Map<String, String> rdfAttributeMap = new HashMap<>();
-            for (int i = 0; i < attributes.getLength(); ++i)
-            {
-                Node item = attributes.item(i);
-                if 
(XMLConstants.XMLNS_ATTRIBUTE_NS_URI.equals(item.getNamespaceURI()))
-                {
-                    rdfAttributeMap.put(item.getNodeName(), 
item.getNodeValue());
-                }
-            }
-            xmp.setRdfAttributeMap(rdfAttributeMap);
-        }
         // find schema description
         PdfaExtensionHelper.populateSchemaMapping(xmp);
         // parse data description

Modified: 
pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/xml/XmpSerializer.java
==============================================================================
--- pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/xml/XmpSerializer.java  
Fri Nov 28 08:30:15 2025        (r1930041)
+++ pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/xml/XmpSerializer.java  
Fri Nov 28 10:12:11 2025        (r1930042)
@@ -23,7 +23,6 @@ package org.apache.xmpbox.xml;
 import java.io.OutputStream;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Map;
 
 import javax.xml.XMLConstants;
 import javax.xml.parsers.DocumentBuilder;
@@ -98,12 +97,6 @@ public class XmpSerializer
         {
             rdf.appendChild(serializeSchema(doc, schema));
         }
-        // PDFBOX-2378: avoid rdf namespace declarations getting lost in 
serialization
-        Map<String, String> rdfAttributeMap = metadata.getRdfAttributeMap();
-        for (Map.Entry<String, String> entry : rdfAttributeMap.entrySet())
-        {
-            rdf.setAttributeNS(XMLConstants.XMLNS_ATTRIBUTE_NS_URI, 
entry.getKey(), entry.getValue());
-        }
         // save
         save(doc, os, "UTF-8");
     }
@@ -166,7 +159,7 @@ public class XmpSerializer
                     }
                 }
 
-                // PDFBOX-2378 part 2: add namespace declaration to the top
+                // PDFBOX-2378: add namespace declaration to the top
                 if (!field.getPrefix().isEmpty() && field.getNamespace() != 
null && !field.getNamespace().isEmpty())
                 {
                     rdf.setAttributeNS(XMLConstants.XMLNS_ATTRIBUTE_NS_URI, 
"xmlns:" + field.getPrefix(), field.getNamespace());

Modified: 
pdfbox/trunk/xmpbox/src/test/java/org/apache/xmpbox/parser/DeserializationTest.java
==============================================================================
--- 
pdfbox/trunk/xmpbox/src/test/java/org/apache/xmpbox/parser/DeserializationTest.java
 Fri Nov 28 08:30:15 2025        (r1930041)
+++ 
pdfbox/trunk/xmpbox/src/test/java/org/apache/xmpbox/parser/DeserializationTest.java
 Fri Nov 28 10:12:11 2025        (r1930042)
@@ -53,6 +53,12 @@ import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.apache.xmpbox.xml.XmpSerializer;
 
+/**
+ * DomXmpParser imports the XML into an internal representation. XmpSerializer 
exports this into
+ * XML. The result may look different, but should be the same from a data 
point of view.
+ *
+ * @author Tilman Hausherr
+ */
 class DeserializationTest
 {
 
@@ -93,7 +99,7 @@ class DeserializationTest
         try (InputStream is = 
DomXmpParser.class.getResourceAsStream("/org/apache/xmpbox/parser/structured_recursive.xml"))
         {
             XMPMetadata metadata = xdb.parse(is);
-            checkTransform(metadata, 
"52753264982056308826419701767667619100664406974698584945629426171445624909200",
 metadata.getAllSchemas().size());
+            checkTransform(metadata, 
"62495942572014793625872774972947435765670563107818217447706375288846297812281",
 metadata.getAllSchemas().size());
         }
     }
 
@@ -103,7 +109,7 @@ class DeserializationTest
         try (InputStream is = 
DomXmpParser.class.getResourceAsStream("/org/apache/xmpbox/parser/empty_list.xml"))
         {
             XMPMetadata metadata = xdb.parse(is);
-            checkTransform(metadata, 
"19567447256605061134904612869562878052777123273535814661244629430271579345577",
 metadata.getAllSchemas().size());
+            checkTransform(metadata, 
"95754993383010030299848397520773287413798669761891751126809013411187892693280",
 metadata.getAllSchemas().size());
         }
     }
 
@@ -137,7 +143,7 @@ class DeserializationTest
         try (InputStream is = 
DomXmpParser.class.getResourceAsStream("/org/apache/xmpbox/parser/AltBagSeqTest.xml"))
         {
             XMPMetadata metadata = xdb.parse(is);
-            checkTransform(metadata, 
"19154431745733679891721944365143324348437445906324353036103478292448653362772",
 metadata.getAllSchemas().size());
+            checkTransform(metadata, 
"89123270336154452745819041017446278583816329940574853160909598044560152910018",
 metadata.getAllSchemas().size());
         }
     }
 
@@ -180,7 +186,7 @@ class DeserializationTest
             assertEquals("JPEG", thumb.getFormat());
             assertEquals("/9j/4AAQSkZJRgABAgEASABIAAD", thumb.getImage());
 
-            checkTransform(metadata, 
"84558386150683037967795120526515137256954964034058806864845109667021390825020",
 metadata.getAllSchemas().size());
+            checkTransform(metadata, 
"64755266855514150823517184659364700851455308334441170957883187622624192802093",
 metadata.getAllSchemas().size());
         }
     }
 
@@ -203,15 +209,12 @@ class DeserializationTest
     {
         try (InputStream is = 
DomXmpParser.class.getResourceAsStream("/invalidxmp/noxpacketend.xml"))
         {
-            try
-            {
-                xdb.parse(is);
-                fail("Should fail during parse");
-            }
-            catch (XmpParsingException e)
-            {
-                assertEquals(ErrorType.XpacketBadEnd, e.getErrorType());
-            }
+            xdb.parse(is);
+            fail("Should fail during parse");
+        }
+        catch (XmpParsingException e)
+        {
+            assertEquals(ErrorType.XpacketBadEnd, e.getErrorType());
         }
     }
 
@@ -223,7 +226,7 @@ class DeserializationTest
             xdb.parse(is);
             fail("Should fail during parse");
         }
-        catch(XmpParsingException e)
+        catch (XmpParsingException e)
         {
             assertEquals(ErrorType.Format, e.getErrorType());
         }
@@ -330,7 +333,6 @@ class DeserializationTest
     @Test
     void testWithAttributesAsProperties() throws XmpParsingException, 
TransformerException, NoSuchAlgorithmException, IOException
     {
-        // also serves as a test for the changes in PDFBOX-2378
         try (InputStream is = 
DomXmpParser.class.getResourceAsStream("/validxmp/attr_as_props.xml"))
         {
             XMPMetadata metadata = xdb.parse(is);
@@ -344,7 +346,7 @@ class DeserializationTest
             XMPBasicSchema basic = metadata.getXMPBasicSchema();
             assertNotNull(basic.getCreateDate());
 
-            checkTransform(metadata, 
"103011318952861241491609772230618389876889507758821590919505444434501582047075",
 metadata.getAllSchemas().size());
+            checkTransform(metadata, 
"27499224985683016678197540524065114038595582230834506941950503218519476041225",
 metadata.getAllSchemas().size());
         }
     }
 
@@ -353,7 +355,7 @@ class DeserializationTest
     {
         // check values with spaces at start or end
         // in this case, the value should not be trimmed
-        try(InputStream is = 
DomXmpParser.class.getResourceAsStream("/validxmp/only_space_fields.xmp"))
+        try (InputStream is = 
DomXmpParser.class.getResourceAsStream("/validxmp/only_space_fields.xmp"))
         {
             XMPMetadata metadata = xdb.parse(is);
             // check producer
@@ -361,12 +363,12 @@ class DeserializationTest
             // check creator tool
             assertEquals("Canon ", 
metadata.getXMPBasicSchema().getCreatorTool());
 
-            checkTransform(metadata, 
"35040104785033687813052387728441520994588808120158942942660631178163542677230",
 metadata.getAllSchemas().size());
+            checkTransform(metadata, 
"9220923061800113567693538810355030344095407871190202111473587642358933618073", 
metadata.getAllSchemas().size());
         }
     }
 
     @Test
-    void testMetadataParsing() throws TransformerException, 
NoSuchAlgorithmException, XmpParsingException
+    void testMetadataParsing() throws TransformerException, 
NoSuchAlgorithmException, XmpParsingException, IOException
     {
         XMPMetadata metadata = XMPMetadata.createXMPMetadata();
 
@@ -391,7 +393,7 @@ class DeserializationTest
      * @throws NoSuchAlgorithmException 
      */
     @Test
-    void testEmptyDate() throws XmpParsingException, TransformerException, 
NoSuchAlgorithmException
+    void testEmptyDate() throws XmpParsingException, TransformerException, 
NoSuchAlgorithmException, IOException
     {
         String xmpmeta = "<?xpacket begin=\"\" 
id=\"W5M0MpCehiHzreSzNTczkc9d\"?>\n"
                 + "<x:xmpmeta x:xmptk=\"Adobe XMP Core 4.2.1-c041 52.342996, 
2008/05/07-20:48:00\" xmlns:x=\"adobe:ns:meta/\">\n"
@@ -403,7 +405,7 @@ class DeserializationTest
                 + "</x:xmpmeta>\n"
                 + "<?xpacket end=\"w\"?>";
         XMPMetadata metadata = 
xdb.parse(xmpmeta.getBytes(StandardCharsets.UTF_8));
-        checkTransform(metadata, 
"114563613226112098345006389295317658957506710850378716324758103164733276333281",
 metadata.getAllSchemas().size());
+        checkTransform(metadata, 
"19030153876683461724958694183980892665426846590791273142114566290124997390122",
 metadata.getAllSchemas().size());
     }
 
     private void checkTransform(XMPMetadata metadata, String expected, int 
expectedSchemaCount)

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