Merge pull request #8733 from tcoupin/oaidc-date

oai_dc export: use publication date if production date is not set
IQSS · Oct 13, 2022 · 1daae04 · 1daae04
2 parents 94ddff7 + 97cf6bc
commit 1daae04
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diff --git a/doc/release-notes/8733-oai_dc-date.md b/doc/release-notes/8733-oai_dc-date.md
@@ -0,0 +1,4 @@
+For exports and harvesting in `oai_dc` format, if "Production Date" is not set, "Publication Date" is now used instead. This change is reflected in the [Dataverse 4+ Metadata Crosswalk][] linked from the [Appendix][] of the User Guide.
+
+[Dataverse 4+ Metadata Crosswalk]: https://docs.google.com/spreadsheets/d/10Luzti7svVTVKTA-px27oq3RxCUM-QbiTkm8iMd5C54/edit#gid=1901625433&range=K7
+[Appendix]: https://guides.dataverse.org/en/latest/user/appendix.html
diff --git a/src/main/java/edu/harvard/iq/dataverse/export/dublincore/DublinCoreExportUtil.java b/src/main/java/edu/harvard/iq/dataverse/export/dublincore/DublinCoreExportUtil.java
@@ -122,7 +122,12 @@ private static void createDC(XMLStreamWriter xmlw, DatasetDTO datasetDto, String
         writeFullElementList(xmlw, dcFlavor+":"+"language", dto2PrimitiveList(version, DatasetFieldConstant.language));        
 
         writeRelPublElement(xmlw, version, dcFlavor);
-        writeFullElement(xmlw, dcFlavor+":"+"date", dto2Primitive(version, DatasetFieldConstant.productionDate));  
+
+        String date = dto2Primitive(version, DatasetFieldConstant.productionDate);
+        if (date == null) {
+            date = datasetDto.getPublicationDate();
+        }
+        writeFullElement(xmlw, dcFlavor+":"+"date", date);
 
         writeFullElement(xmlw, dcFlavor+":"+"contributor", dto2Primitive(version, DatasetFieldConstant.depositor));  
 
@@ -172,7 +177,11 @@ private static void createOAIDC(XMLStreamWriter xmlw, DatasetDTO datasetDto, Str
 
         writeFullElementList(xmlw, dcFlavor+":"+"language", dto2PrimitiveList(version, DatasetFieldConstant.language));        
 
-        writeFullElement(xmlw, dcFlavor+":"+"date", dto2Primitive(version, DatasetFieldConstant.productionDate));  
+        String date = dto2Primitive(version, DatasetFieldConstant.productionDate);
+        if (date == null) {
+            date = datasetDto.getPublicationDate();
+        }
+        writeFullElement(xmlw, dcFlavor+":"+"date", date);  
 
         writeFullElement(xmlw, dcFlavor+":"+"contributor", dto2Primitive(version, DatasetFieldConstant.depositor));