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Improve license handling
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- Extend license mapping
- Add dcatde:licenseAttributionByText
- Use license info in metadata as fallback for services
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@seitenbau-govdata @jvanzadelhoff
seitenbau-govdata authored and jvanzadelhoff committed Jul 17, 2020
1 parent 9b98de6 commit 6ff0fcc
Showing 1 changed file with 51 additions and 3 deletions.
54 changes: 51 additions & 3 deletions src/main/resources/iso2dcat.xsl
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Original file line number Diff line number Diff line change
Expand Up @@ -657,11 +657,19 @@
<xsl:template name="dataDistribution">
<xsl:variable name="distributionLinks" select="gmd:distributionInfo/*/gmd:transferOptions/*/gmd:onLine/*[gmd:function/*/@codeListValue='download' and gmd:linkage/*[text()]]"/>
<xsl:apply-templates select="$distributionLinks" mode="nrw"/>
<!-- read and store license information start -->
<xsl:variable name="accessConstraints" select="gmd:identificationInfo[1]/*/gmd:resourceConstraints/*[*/gmd:MD_RestrictionCode/@codeListValue=$c_other_restrictions]/gmd:otherConstraints[gco:CharacterString != $c_no_limitation]"/>
<xsl:variable name="accessConstraintsJson" select="$accessConstraints[starts-with(normalize-space(gco:CharacterString), '{')]"/>
<!-- read and store license information end -->
<xsl:variable name="resourceIdentifier" select="gmd:identificationInfo/*/gmd:citation/*/gmd:identifier/*/gmd:code/*"/>
<xsl:apply-templates select="$coupledServices/csw:GetRecordsResponse/csw:SearchResults/gmd:MD_Metadata[gmd:identificationInfo/*/srv:operatesOn/@uuidref = $resourceIdentifier]" mode="serviceDistribution"/>
<!-- provide license information from metadata as fallback, if available -->
<xsl:apply-templates select="$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:apply-templates>
</xsl:template>

<xsl:template match="gmd:MD_Metadata" mode="serviceDistribution">
<xsl:param name="licenseInMainMetadata"/>
<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">
Expand All @@ -683,7 +691,9 @@
<dcat:accessURL rdf:resource="{$accessUrl}"/>
<xsl:apply-templates select="gmd:identificationInfo[1]/*/gmd:citation/*/gmd:date/*[gmd:dateType/*/@codeListValue='publication' or gmd:dateType/*/@codeListValue='revision' or gmd:dateType/*/@codeListValue='creation']/gmd:date/*"
mode="serviceDistribution"/>
<xsl:call-template name="constraints"/>
<xsl:call-template name="constraints">
<xsl:with-param name="licenseInMainMetadata" select="$licenseInMainMetadata"/>
</xsl:call-template>
</dcat:Distribution>
</dcat:distribution>
</xsl:template>
Expand Down Expand Up @@ -824,18 +834,52 @@


<xsl:template name="constraints">
<xsl:param name="licenseInMainMetadata"/>
<xsl:variable name="accessConstraints" select="ancestor::gmd:MD_Metadata/gmd:identificationInfo[1]/*/gmd:resourceConstraints/*[*/gmd:MD_RestrictionCode/@codeListValue=$c_other_restrictions]/gmd:otherConstraints[gco:CharacterString != $c_no_limitation]"/>
<xsl:variable name="accessConstraintsJson" select="$accessConstraints[starts-with(normalize-space(gco:CharacterString), '{')]"/>
<xsl:choose>
<xsl:when test="count($accessConstraintsJson) &gt; 0">
<!-- dct:license -->
<xsl:apply-templates select="$accessConstraintsJson[1]" mode="license"/>
<!-- dcatde:licenseAttributionByText -->
<xsl:call-template name="licenseAttributionByText">
<xsl:with-param name="accessConstraintsJson" select="$accessConstraintsJson[1]"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$licenseInMainMetadata">
<!-- dct:license -->
<xsl:apply-templates select="$licenseInMainMetadata" mode="license"/>
<!-- dcatde:licenseAttributionByText -->
<xsl:call-template name="licenseAttributionByText">
<xsl:with-param name="accessConstraintsJson" select="$licenseInMainMetadata"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<!-- dct:license -->
<xsl:apply-templates select="$accessConstraints[1]" mode="license"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>

<xsl:template name="licenseAttributionByText">
<xsl:param name="accessConstraintsJson"/>
<xsl:if test="$accessConstraintsJson">
<xsl:variable name="byText">
<xsl:if test="starts-with(normalize-space($accessConstraintsJson), '{')">
<xsl:variable name="jsonWithQuelle" select="substring-after($accessConstraintsJson, '&quot;quelle&quot;')"/>
<xsl:variable name="quelle" select="substring-before(substring-after($jsonWithQuelle, '&quot;'), '&quot;')"/>
<xsl:value-of select="$quelle" />
</xsl:if>
</xsl:variable>
<xsl:if test="$byText">
<dcatde:licenseAttributionByText>
<xsl:call-template name="xmlLang"/>
<xsl:value-of select="$byText"/>
</dcatde:licenseAttributionByText>
</xsl:if>
</xsl:if>
</xsl:template>

<xsl:template match="gmd:resourceConstraints/*/gmd:useLimitation">
<xsl:if test="(gco:CharacterString/text() or gmx:Anchor) and gco:CharacterString/text()!=$c_no_limitation">
<dct:license>
Expand Down Expand Up @@ -900,6 +944,8 @@
<xsl:choose>
<xsl:when test="$licenseId = 'cc-by-4.0'">cc-by/4.0</xsl:when>
<xsl:when test="$licenseId = 'dl-de-by-2.0'">dl-by-de/2.0</xsl:when>
<xsl:when test="$licenseId = 'dl-de/by-2.0'">dl-by-de/2.0</xsl:when>
<xsl:when test="$licenseId = 'dl-de/by-2-0'">dl-by-de/2.0</xsl:when>
<xsl:when test="$licenseId = 'cc-by-nd-4.0'">cc-by-nd/4.0</xsl:when>
<!-- from here on the mapping is unconfirmed -->
<xsl:when test="$licenseId = 'cc-by-de-3.0'">cc-by-de/3.0</xsl:when>
Expand All @@ -911,7 +957,9 @@
<xsl:when test="$licenseId = 'dl-de-by-1.0'">dl-by-de/1.0</xsl:when>
<xsl:when test="$licenseId = 'dl-by-nc-de-1.0'">dl-by-nc-de/1.0</xsl:when>
<xsl:when test="$licenseId = 'dl-zero-de/2.0'">dl-zero-de/2.0</xsl:when>
<xsl:when test="$licenseId = 'geoNutz-20130319'">geoNutz/20130319</xsl:when>
<xsl:when test="$licenseId = 'geoNutz-20130319'">geonutz/20130319</xsl:when>
<xsl:when test="$licenseId = 'geoNutz/20130319'">geonutz/20130319</xsl:when>
<xsl:when test="$licenseId = 'geonutzv-de-2013-03-19'">geonutz/20130319</xsl:when>
<xsl:when test="$licenseId = 'geoNutz-20131001'">geoNutz/20131001</xsl:when>
<xsl:when test="$licenseId = 'gpl-3.0'">gpl/3.0</xsl:when>
<xsl:otherwise>
Expand Down

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