extract file storage if not available

metno · Oct 8, 2024 · 7678f7f · 7678f7f
1 parent ef29c74
commit 7678f7f
Showing 1 changed file with 63 additions and 2 deletions.
diff --git a/xslt/mmd-to-NOiso.xsl b/xslt/mmd-to-NOiso.xsl
@@ -489,7 +489,25 @@
  <xsl:element name="gmd:MD_Distribution">
 
  <!--format-->
- <xsl:apply-templates select="mmd:storage_information" />
+ <xsl:choose>
+ <xsl:when test="mmd:storage_information and mmd:storage_information/mmd:file_format !=''">
+ <xsl:apply-templates select="mmd:storage_information" />
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:choose>
+ <xsl:when test="mmd:data_access[mmd:type = 'HTTP']">
+ <xsl:call-template name="format">
+ <xsl:with-param name="ext" select="mmd:data_access[mmd:type = 'HTTP']/mmd:resource" />
+ </xsl:call-template>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:call-template name="format">
+ <xsl:with-param name="ext" select="mmd:data_access[mmd:type = 'OPeNDAP']/mmd:resource" />
+ </xsl:call-template>
+ </xsl:otherwise>
+ </xsl:choose>
+ </xsl:otherwise>
+ </xsl:choose>
 
  <xsl:element name="gmd:distributor">
  <xsl:apply-templates select="mmd:data_center" />
@@ -767,6 +785,48 @@
  </xsl:element>
  </xsl:template>
 
+ <xsl:template name="format">
+ <xsl:param name="ext"/>
+ <xsl:variable name="suffix">
+ <xsl:call-template name="get-file-extension">
+ <xsl:with-param name="path" select="$ext"/>
+ </xsl:call-template>
+ </xsl:variable>
+ <xsl:element name="gmd:distributionFormat">
+ <xsl:element name="gmd:MD_Format">
+ <xsl:element name="gmd:name">
+ <xsl:element name="gco:CharacterString">
+ <xsl:variable name="format_mapping" select="document('')/*/mapping:file_format[@mmd=$suffix]/@iso" />
+ <xsl:value-of select="$format_mapping" />
+ </xsl:element>
+ </xsl:element>
+ <xsl:element name="gmd:version">
+ <xsl:attribute name="gco:nilReason">unknown</xsl:attribute>
+ </xsl:element>
+ </xsl:element>
+ </xsl:element>
+ </xsl:template>
+
+ <xsl:template name="get-file-extension">
+ <xsl:param name="path"/>
+ <xsl:choose>
+ <xsl:when test="contains($path, '/')">
+ <xsl:call-template name="get-file-extension">
+ <xsl:with-param name="path" select="substring-after($path, '/')"/>
+ </xsl:call-template>
+ </xsl:when>
+ <xsl:when test="contains($path, '.')">
+ <xsl:call-template name="get-file-extension">
+ <xsl:with-param name="path" select="substring-after($path, '.')"/>
+ </xsl:call-template>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:value-of select="concat('.',$path)"/>
+ </xsl:otherwise>
+ </xsl:choose>
+ </xsl:template>
+
+
  <!--iso topic category-->
  <xsl:template match="mmd:iso_topic_category">
  <xsl:element name="gmd:topicCategory">
@@ -1414,7 +1474,6 @@
  </xsl:element>
  </xsl:template>
 
-
  <!-- Mappings for data_access type specification to OSGEO -->
  <mapping:data_access_type_osgeo iso="OGC:WMS" mmd="OGC WMS" />
  <mapping:data_access_type_osgeo iso="OGC:WCS" mmd="OGC WCS" />
@@ -1425,6 +1484,8 @@
 
  <mapping:language_code iso="eng" mmd="en" />
 
+ <mapping:file_format iso="NetCDF" mmd=".nc" />
+
  <!--Mapping to https://register.geonorge.no/metadata-kodelister/lisenser-->
  <mapping:use_constraint geon="Creative Commons 0" mmd="CC0-1.0" />
  <mapping:use_constraint geon="Creative Commons BY 3.0 (CC BY 3.0)" mmd="CC-BY-3.0" />