Add attribute rdf:about in dcat:Dataset

GovDataOfficial · Apr 29, 2021 · 0c8929a · 0c8929a
1 parent 6bc1c53
commit 0c8929a
Show file tree

Hide file tree

Showing 6 changed files with 37 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -47,6 +47,7 @@ The available parameters in the camel-oai-pmh.properties file are:
 * oai-pmh.base.url.external: URL that external clients use to access the OAI-PMH interface web application
 * oai-pmh.rdf.catalog.base.url: Endpoint where the DCAT-AP.de RDF catalog should be reachable
 * oai-pmh.dcatde.contributorID: [dcatde:contributorID](https://www.dcat-ap.de/def/contributors/) which is to be inserted in all DCAT datasets
+* oai-pmh.csw.serviceShowMetadata.URL: Base URL for the `rdf:about` attribute of DCAT Dataset elements. The URL may contain a placeholder of the form `%uid%`, which gets replaced by the dataset ID. If there is no placeholder, the ID gets appended with a "#".
 * oai-pmh.db.item.csw.TYPE: should be one of inspire, inspireSoap11 or inspireSoap11, depending on the protocol of the Geoportal
 * oai-pmh.db.item.csw.URL: GetRecords URL of the geoportal to be harvested
 * oai-pmh.db.item.csw.sortResults: toggle whether the results should be sorted or not. Possible values are `true` and `false`. Defaults to `false`.

diff --git a/build.properties.sample b/build.properties.sample
@@ -8,4 +8,6 @@ oai-pmh.db.item.ckan.URL=https://localhost:9090
 
 oai-pmh.dcatde.contributorID=http:https://dcat-ap.de/def/contributors/gdiDE
 
+oai-pmh.csw.serviceShowMetadata.URL=https://localhost:8080/inspire/srv/eng/xml_iso19139?uuid=%uid%
+
 oai-pmh.log.file=${catalina.base}/logs/open-nrw-ci-fassaden.log
diff --git a/pom.xml b/pom.xml
@@ -236,6 +236,7 @@
  <oai-pmh.db.item.ckan.TYPE>ckan</oai-pmh.db.item.ckan.TYPE>
  <oai-pmh.db.item.ckan.URL>https://localhost:9090</oai-pmh.db.item.ckan.URL>
  <oai-pmh.dcatde.contributorID>http:https://dcat-ap.de/def/contributors/gdiDE</oai-pmh.dcatde.contributorID>
+ <oai-pmh.csw.serviceShowMetadata.URL>https://localhost:8080/inspire/srv/eng/xml_iso19139?uuid=%uid%</oai-pmh.csw.serviceShowMetadata.URL>
  <oai-pmh.log.file>/var/log/inspire-bridge/inspire-bridge.log</oai-pmh.log.file>
  </properties>
  <profiles>

diff --git a/src/main/resources/camel-oai-pmh.properties b/src/main/resources/camel-oai-pmh.properties
@@ -6,3 +6,4 @@ db.item.csw.sortResults=${oai-pmh.db.item.csw.sortResults}
 db.item.ckan.TYPE=${oai-pmh.db.item.ckan.TYPE}
 db.item.ckan.URL=${oai-pmh.db.item.ckan.URL}
 dcatde.contributorID=${oai-pmh.dcatde.contributorID}
+csw.serviceShowMetadata.URL=${oai-pmh.csw.serviceShowMetadata.URL}
diff --git a/src/main/resources/camel-oai-pmh.xml b/src/main/resources/camel-oai-pmh.xml
@@ -93,6 +93,9 @@
  <setHeader headerName="contributorID">
  <simple>{{dcatde.contributorID}}</simple>
  </setHeader>
+ <setHeader headerName="cswServiceShowMetadataBaseUrl">
+ <simple>{{csw.serviceShowMetadata.URL}}</simple>
+ </setHeader>
  <setHeader headerName="sortResults">
  <simple>{{db.item.csw.sortResults}}</simple>
  </setHeader>
@@ -250,6 +253,9 @@
  <setHeader headerName="contributorID">
  <simple>{{dcatde.contributorID}}</simple>
  </setHeader>
+ <setHeader headerName="cswServiceShowMetadataBaseUrl">
+ <simple>{{csw.serviceShowMetadata.URL}}</simple>
+ </setHeader>
  <removeHeader headerName="resumptionToken"/>
  <removeHeader headerName="cookie"/>
  <!-- we need some element for xsl input, but the result only depends on header (request) parameters -->

diff --git a/src/main/resources/iso2dcat.xsl b/src/main/resources/iso2dcat.xsl
@@ -31,6 +31,8 @@
 
  <!-- Parameters from route -->
  <xsl:param name="contributorID"/>
+ <xsl:param name="cswServiceShowMetadataBaseUrl"/>
+ <xsl:param name="CamelHttpUri"/>
 
  <!--
  <xsl:strip-space elements="*"/>
@@ -42,6 +44,8 @@
  <xsl:variable name="tokeDcatAp">:dcat_ap:</xsl:variable>
  <xsl:variable name="prefixDcatAp">dcat_ap</xsl:variable>
 
+ <xsl:variable name="uidPlaceholder">%uid%</xsl:variable>
+
  <xsl:variable name="mdrFileTypes" select="document('filetypes-skos.rdf')"/>
  <xsl:variable name="ianaMediaTypes" select="document('iana-media-types.xml')"/>
  <xsl:variable name="languageCodes" select="document('languageCodes.rdf')"/>
@@ -65,6 +69,8 @@
 
  <xsl:template match="gmd:MD_Metadata|gmi:MI_Metadata">
  <dcat:Dataset>
+ <!--rdf:about-->
+ <xsl:call-template name="datasetURI"/>
  <!--dct:description-->
  <!--dct:title-->
  <!--dcatde:contributorID-->
@@ -154,6 +160,26 @@
  </dcat:Dataset>
  </xsl:template>
 
+ <xsl:template name="datasetURI">
+ <xsl:variable name="identifier" select="string(gmd:fileIdentifier/gco:CharacterString)"/>
+ <xsl:if test="$identifier">
+ <xsl:variable name="metadataUri" select="replace($cswServiceShowMetadataBaseUrl, ' ', '')"/>
+ <xsl:choose>
+ <xsl:when test="$metadataUri != '' and contains($metadataUri, $uidPlaceholder)">
+ <xsl:attribute name="rdf:about"><xsl:value-of select="replace($metadataUri, $uidPlaceholder, $identifier)"/></xsl:attribute>
+ </xsl:when>
+ <xsl:when test="$metadataUri != ''">
+ <!-- Concat with identifier -->
+ <xsl:attribute name="rdf:about"><xsl:value-of select="concat($metadataUri, '#', $identifier)"/></xsl:attribute>
+ </xsl:when>
+ <!-- Fallback with service url -->
+ <xsl:otherwise>
+ <xsl:attribute name="rdf:about"><xsl:value-of select="concat($CamelHttpUri, '#', $identifier)"/></xsl:attribute>
+ </xsl:otherwise>
+ </xsl:choose>
+ </xsl:if>
+ </xsl:template>
+
  <xsl:template name="contributorID">
  <xsl:if test="$contributorID">
  <dcatde:contributorID>