set modified date of service distributions to the most recent of the …

…two gmd:dateStamps (dataset metadata and service metadata)

src/main/resources/iso2dcat.xsl

@@ -697,11 +697,14 @@
  <!-- provide license information from metadata as fallback, if available -->
  <xsl:apply-templates select="$coupledServices/csw:GetRecordsResponse/csw:SearchResults/gmd:MD_Metadata[gmd:identificationInfo/*/srv:operatesOn/@xlink:href = $resourceIdentifier or gmd:identificationInfo/*/srv:operatesOn/@uuidref = $resourceIdentifier]" mode="serviceDistribution">
  <xsl:with-param name="licenseInMainMetadata" select="if (count($accessConstraintsJson) &gt; 0) then $accessConstraintsJson[1] else null"/>
+ <xsl:with-param name="lastModifiedInMainMetadata" select="gmd:dateStamp/*"/>
  </xsl:apply-templates>
  </xsl:template>
 
  <xsl:template match="gmd:MD_Metadata" mode="serviceDistribution">
  <xsl:param name="licenseInMainMetadata"/>
+ <xsl:param name="lastModifiedInMainMetadata"/>
+ <xsl:variable name="lastModified" select="gmd:dateStamp/*"/>
  <xsl:variable name="serviceType" select="string(gmd:identificationInfo/*/srv:serviceType/*)"/>
  <xsl:variable name="capabilitiesLinkage" select="gmd:identificationInfo[1]/*/srv:containsOperations/*[lower-case(srv:operationName/*) = 'getcapabilities']/srv:connectPoint/*/gmd:linkage/*"/>
  <xsl:variable name="accessUrl">
@@ -721,47 +724,28 @@
  <xsl:with-param name="format" select="if ($serviceType = '') then 'Unbekannt' else $serviceType"/>
  </xsl:call-template>
  <dcat:accessURL rdf:resource="{$accessUrl}"/>
- <xsl:apply-templates select="gmd:identificationInfo[1]/*/gmd:citation/*/gmd:date/*[gmd:dateType/*/@codeListValue='publication' or gmd:dateType/*/@codeListValue='revision' or gmd:dateType/*/@codeListValue='creation']/gmd:date/*"
- mode="serviceDistribution"/>
+ <xsl:choose>
+ <xsl:when test="string($lastModified) > string($lastModifiedInMainMetadata)">
+ <xsl:apply-templates select="$lastModified" mode="serviceDistribution"/>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:apply-templates select="$lastModifiedInMainMetadata" mode="serviceDistribution"/>
+ </xsl:otherwise>
+ </xsl:choose>
  <xsl:call-template name="constraints">
  <xsl:with-param name="licenseInMainMetadata" select="$licenseInMainMetadata"/>
  </xsl:call-template>
  </dcat:Distribution>
  </dcat:distribution>
  </xsl:template>
 
- <xsl:template
- match="gmd:date/*[gmd:dateType/*/@codeListValue = 'publication']/gmd:date/*[text() castable as xs:date or text() castable as xs:dateTime]"
- mode="serviceDistribution">
- <xsl:if test="not(ancestor::gmd:MD_Metadata/gmd:identificationInfo[1]/*/gmd:citation/*/gmd:date/*[gmd:dateType/*/@codeListValue = 'revision']/gmd:date/*)">
- <dct:modified>
- <xsl:call-template name="dateType"/>
- <xsl:value-of select="."/>
- </dct:modified>
- </xsl:if>
- </xsl:template>
-
- <xsl:template
- match="gmd:date/*[gmd:dateType/*/@codeListValue = 'revision']/gmd:date/*[text() castable as xs:date or text() castable as xs:dateTime]"
- mode="serviceDistribution">
+ <xsl:template match="gmd:MD_Metadata/gmd:dateStamp/*" mode="serviceDistribution">
  <dct:modified>
  <xsl:call-template name="dateType"/>
  <xsl:value-of select="."/>
  </dct:modified>
  </xsl:template>
 
- <xsl:template
- match="gmd:date/*[gmd:dateType/*/@codeListValue = 'creation']/gmd:date/*[text() castable as xs:date or text() castable as xs:dateTime]"
- mode="serviceDistribution">
- <xsl:if
- test="not(ancestor::gmd:MD_Metadata/gmd:identificationInfo[1]/*/gmd:citation/*/gmd:date/*[gmd:dateType/*/@codeListValue = 'revision']/gmd:date/* or ancestor::gmd:MD_Metadata/gmd:identificationInfo[1]/*/gmd:citation/*/gmd:date/*[gmd:dateType/*/@codeListValue = 'publication']/gmd:date/*)">
- <dct:modified>
- <xsl:call-template name="dateType"/>
- <xsl:value-of select="."/>
- </dct:modified>
- </xsl:if>
- </xsl:template>
-
  <xsl:template match="gmd:CI_OnlineResource" mode="nrw">
  <dcat:distribution>
  <dcat:Distribution rdf:about="{gmd:linkage/*}#distribution">