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Posted to commits@tika.apache.org by ti...@apache.org on 2025/06/25 07:43:26 UTC
(tika) branch main updated: TIKA-4442: collect 6 more dublin core properties
This is an automated email from the ASF dual-hosted git repository.
tilman pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/tika.git
The following commit(s) were added to refs/heads/main by this push:
new a57e49f2c TIKA-4442: collect 6 more dublin core properties
a57e49f2c is described below
commit a57e49f2cfe7ebb8f4b85ee138d47ffec06017bc
Author: Tilman Hausherr <ti...@apache.org>
AuthorDate: Wed Jun 25 09:43:18 2025 +0200
TIKA-4442: collect 6 more dublin core properties
---
.../tika/parser/pdf/PDMetadataExtractor.java | 23 ++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-pdf-module/src/main/java/org/apache/tika/parser/pdf/PDMetadataExtractor.java b/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-pdf-module/src/main/java/org/apache/tika/parser/pdf/PDMetadataExtractor.java
index ce1109fc1..a3fac7728 100644
--- a/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-pdf-module/src/main/java/org/apache/tika/parser/pdf/PDMetadataExtractor.java
+++ b/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-pdf-module/src/main/java/org/apache/tika/parser/pdf/PDMetadataExtractor.java
@@ -118,6 +118,12 @@ public class PDMetadataExtractor {
extractDublinCoreListItems(metadata, TikaCoreProperties.CONTRIBUTOR, dcSchema);
extractDublinCoreListItems(metadata, TikaCoreProperties.CREATOR, dcSchema);
extractMultilingualItems(metadata, TikaCoreProperties.TITLE, null, dcSchema);
+ extractDublinCoreListItems(metadata, TikaCoreProperties.TYPE, dcSchema); // finds only the first one?!
+ extractDublinCoreSimpleItem(metadata, TikaCoreProperties.IDENTIFIER, dcSchema);
+ extractDublinCoreListItems(metadata, TikaCoreProperties.LANGUAGE, dcSchema);
+ extractDublinCoreListItems(metadata, TikaCoreProperties.PUBLISHER, dcSchema);
+ extractDublinCoreListItems(metadata, TikaCoreProperties.RELATION, dcSchema);
+ extractDublinCoreSimpleItem(metadata, TikaCoreProperties.SOURCE, dcSchema);
}
}
@@ -437,6 +443,23 @@ public class PDMetadataExtractor {
}
}
+ /**
+ * This tries to read a string from a particular property in XMPSchemaDublinCore.
+ * <p/>
+ * This relies on the property having a DublinCore compliant getName()
+ *
+ * @param property
+ * @param dc
+ * @param metadata
+ */
+ private static void extractDublinCoreSimpleItem(Metadata metadata, Property property,
+ XMPSchemaDublinCore dc) {
+ if (dc == null) {
+ return;
+ }
+ String textProperty = dc.getTextProperty(property.getName());
+ addMetadata(metadata, property, textProperty);
+ }
static void addMetadata(Metadata metadata, Property property, String value) {
if (value != null) {