<!–

* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
-->

<!–

 Simple transform of Solr query response into Solr Update XML compliant XML.
 When used in the xslt response writer you will get UpdaateXML as output.
 But you can also store a query response XML to disk and feed this XML to
 the XSLTUpdateRequestHandler to index the content. Provided as example only.
 See http://wiki.apache.org/solr/XsltUpdateRequestHandler for more info
-->

<xsl:stylesheet version='1.0' xmlns:xsl='www.w3.org/1999/XSL/Transform'>

<xsl:output media-type="text/xml" method="xml" indent="yes"/>

<xsl:template match='/'>
  <add>
      <xsl:apply-templates select="response/result/doc"/>
  </add>
</xsl:template>

<!-- Ignore score (makes no sense to index) -->
<xsl:template match="doc/*[@name='score']" priority="100">
</xsl:template>

<xsl:template match="doc">
  <xsl:variable name="pos" select="position()"/>
  <doc>
      <xsl:apply-templates>
        <xsl:with-param name="pos"><xsl:value-of select="$pos"/></xsl:with-param>
      </xsl:apply-templates>
  </doc>
</xsl:template>

<!-- Flatten arrays to duplicate field lines -->
<xsl:template match="doc/arr" priority="100">
    <xsl:variable name="fn" select="@name"/>

    <xsl:for-each select="*">
      <xsl:element name="field">
        <xsl:attribute name="name"><xsl:value-of select="$fn"/></xsl:attribute>
        <xsl:value-of select="."/>
      </xsl:element>
    </xsl:for-each>
</xsl:template>

<xsl:template match="doc/*">
    <xsl:variable name="fn" select="@name"/>

    <xsl:element name="field">
      <xsl:attribute name="name"><xsl:value-of select="$fn"/></xsl:attribute>
      <xsl:value-of select="."/>
    </xsl:element>
</xsl:template>

<xsl:template match="*"/>

</xsl:stylesheet>