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POXSLT adding new nodes if they do not exist
 

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  1. POXSLT adding new nodes if they do not exist
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    <p>I am having some trouble using XSLT to check if nodes exist, and if not add them to the document. Here is my situation:</p> <p><strong>Input</strong></p> <pre><code>&lt;Message&gt; &lt;a&gt;123&lt;/a&gt; &lt;c&gt;456&lt;/c&gt; &lt;d&gt;789&lt;/d&gt; &lt;/Message&gt; </code></pre> <p><strong>Desired output</strong></p> <pre><code>&lt;MsgHead&gt; &lt;Document&gt; &lt;Message&gt; &lt;a&gt;123&lt;/a&gt; &lt;b&gt;-1&lt;/b&gt; &lt;c&gt;456&lt;/c&gt; &lt;d&gt;789&lt;/d&gt; &lt;/Message&gt; &lt;Document&gt; &lt;/MsgHead&gt; </code></pre> <p>I am also given the following static file with "default values"</p> <p><strong>Defaults</strong></p> <pre><code>&lt;DefaultNodes&gt; &lt;a&gt;-1&lt;/a&gt; &lt;b&gt;-1&lt;/b&gt; &lt;c&gt;-1&lt;/c&gt; &lt;d&gt;-1&lt;/d&gt; &lt;/DefaultNodes&gt; </code></pre> <p>The input files have varying numbers of nodes and I need to "complete" them with the default nodes that are missing. The node names are obviously not a, b, c, etc, but some 700 different nodes with different default values.</p> <p>Here is my attempt so far <strong>My XSLT</strong></p> <pre><code>&lt;xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"&gt; &lt;xsl:template match="/"&gt; &lt;MsgHead&gt; &lt;Document&gt; &lt;Message&gt; &lt;xsl:apply-templates&gt;&lt;/xsl:apply-templates&gt; &lt;/Message&gt; &lt;/Document&gt; &lt;/MsgHead&gt; &lt;/xsl:template&gt; &lt;xsl:template match="Message"&gt; &lt;xsl:copy-of select="node()"/&gt; &lt;xsl:for-each select="document('default-nodes.xml')/DefaultNodes/*"&gt; &lt;xsl:choose&gt; &lt;xsl:when test="//*[local-name(current())]"&gt; &lt;!-- This is the line giving me trouble --&gt; &lt;!--Node already present, do nothing--&gt; &lt;/xsl:when&gt; &lt;xsl:otherwise&gt; &lt;!--Node not in input, add from the defaults file --&gt; &lt;xsl:copy-of select="self::node()"/&gt; &lt;/xsl:otherwise&gt; &lt;/xsl:choose&gt; &lt;/xsl:for-each&gt; &lt;/xsl:template&gt; &lt;/xsl:stylesheet&gt; </code></pre> <p>This is almost working, but it seems to not be able to find if the nodes exist or not. The current test I am using (//*[local-name(current())]) seems to return true no matter what. Anyone have any suggestion on how I could fix this?</p> <p>Thanks!</p>
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