XSLT <xsl:message> elemens
May 28, 2021 XSL T
Table of contents
XSLT and lt;xsl: messages and elements
You can report related errors through the XSLT-lt;xsl:message> element.
Complete XSLT element reference manual
Definitions and usages
The element writes a message to the output. This element is primarily used to report errors.
This element can contain almost any other XSL element .
The terminate property allows you to choose whether to exit processing or continue processing when an error occurs.
Grammar
<xsl:message terminate="yes|no">
<!-- Content:template -->
</xsl:message>
<!-- Content:template -->
</xsl:message>
Property
| Attributes | value | describe |
|---|---|---|
| terminate |
yes
no |
Optional."YES": After the message is written, terminate it."NO": Continue processing after the message is written.The default is "no". |
Instance 1
Detects whether the artist is an empty string. If so, exit the XSL processor and display a message:
<?xml version="1.0" encoding="ISO-8859-1"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
<html>
<body>
<xsl:for-each select="catalog/cd">
<p>Title: <xsl:value-of select="title"/><br />
Artist:
<xsl:if test="artist=''">
<xsl:message terminate="yes">
Error: Artist is an empty string!
</xsl:message>
</xsl:if>
<xsl:value-of select="artist"/>
</p>
</xsl:for-each>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
<html>
<body>
<xsl:for-each select="catalog/cd">
<p>Title: <xsl:value-of select="title"/><br />
Artist:
<xsl:if test="artist=''">
<xsl:message terminate="yes">
Error: Artist is an empty string!
</xsl:message>
</xsl:if>
<xsl:value-of select="artist"/>
</p>
</xsl:for-each>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
Complete XSLT element reference manual