Merge pull request DSpace#9796 from kshepherd/datacite_xsl_language_c…

…ode_translation

Translate underscores to dashes in xml:lang attr for DIM2DataCite.xsl

dspace/config/crosswalks/DIM2DataCite.xsl

@@ -25,6 +25,10 @@
  to register DOIs anymore. Please follow and reuse the examples
  included in this file. For more information on the DataCite
  Schema, see https://schema.datacite.org. -->
+ <!-- Note regarding language codes: xml:lang regional language codes require a hyphen, whereas many
+ repositories use underscores when storing these language codes (e.g. en_GB, de_CH).
+ This template translates all underscores to hyphens when selecting value of @lang in an attribute
+ so the output will be e.g. xml:lang="en-GB", xml:lang="de-CH". -->
 
  <!-- We need the prefix to determine DOIs that were minted by ourself. -->
  <xsl:param name="prefix">10.5072/dspace-</xsl:param>
@@ -362,20 +366,20 @@
  <!-- DataCite (3) :: Title -->
  <xsl:template match="dspace:field[@mdschema='dc' and @element='title']">
  <xsl:element name="title">
- <xsl:attribute name="xml:lang"><xsl:value-of select="@lang" /></xsl:attribute>
+ <xsl:attribute name="xml:lang"><xsl:value-of select="translate(@lang, '_', '-')" /></xsl:attribute>
  <xsl:if test="@qualifier='alternative'">
- <xsl:attribute name="xml:lang"><xsl:value-of select="@lang" /></xsl:attribute>
+ <xsl:attribute name="xml:lang"><xsl:value-of select="translate(@lang, '_', '-')" /></xsl:attribute>
  <xsl:attribute name="titleType">AlternativeTitle</xsl:attribute>
  </xsl:if>
- <!-- DSpace does include niehter a dc.title.subtitle nor a 
+ <!-- DSpace doesn't include a dc.title.subtitle nor a
  dc.title.translated. If necessary, please create those in the 
  metadata field registry. -->
  <xsl:if test="@qualifier='subtitle'">
- <xsl:attribute name="xml:lang"><xsl:value-of select="@lang" /></xsl:attribute>
+ <xsl:attribute name="xml:lang"><xsl:value-of select="translate(@lang, '_', '-')" /></xsl:attribute>
  <xsl:attribute name="titleType">Subtitle</xsl:attribute>
  </xsl:if>
  <xsl:if test="@qualifier='translated'">
- <xsl:attribute name="xml:lang"><xsl:value-of select="@lang" /></xsl:attribute>
+ <xsl:attribute name="xml:lang"><xsl:value-of select="translate(@lang, '_', '-')" /></xsl:attribute>
  <xsl:attribute name="titleType">TranslatedTitle</xsl:attribute>
  </xsl:if>
  <xsl:value-of select="." />
@@ -394,7 +398,7 @@
  -->
  <xsl:template match="//dspace:field[@mdschema='dc' and @element='subject']">
  <xsl:element name="subject">
- <xsl:attribute name="xml:lang"><xsl:value-of select="@lang" /></xsl:attribute>
+ <xsl:attribute name="xml:lang"><xsl:value-of select="translate(@lang, '_', '-')" /></xsl:attribute>
  <xsl:if test="@qualifier">
  <xsl:attribute name="subjectScheme"><xsl:value-of select="@qualifier" /></xsl:attribute>
  </xsl:if>
@@ -626,7 +630,7 @@
  -->
  <xsl:template match="//dspace:field[@mdschema='dc' and @element='description' and (@qualifier='abstract' or @qualifier='tableofcontents' or not(@qualifier))]">
  <xsl:element name="description">
- <xsl:attribute name="xml:lang"><xsl:value-of select="@lang" /></xsl:attribute>
+ <xsl:attribute name="xml:lang"><xsl:value-of select="translate(@lang, '_', '-')" /></xsl:attribute>
  <xsl:attribute name="descriptionType">
  <xsl:choose>
  <xsl:when test="@qualifier='abstract'">Abstract</xsl:when>