drrwebber - 2011-01-18

CAM provides various ways to look for explicit values - restrictValues,
lookup, setStringMask and printMessage.

The setStringMask will trim content. The printMessage however does explicit
content comparison using XPath expression.

Here is an example XML instance: 

<Root xmlns:xs="[url]http://www.w3.org/2001/XMLSchema[/url]" xmlns:camed="[url]http://jcam.org.uk/editor[/url]"
      xmlns:as="[url]http://www.oasis-open.org/committees/cam[/url]">
   <Node>
      <Value1> ABC</Value1>
      <Value2>1</Value2>
   </Node>
   <Node>
      <Value1> ABC</Value1>
      <Value2>1</Value2>
   </Node>
   <Node>
      <Value1> ABC</Value1>
      <Value2>1</Value2>
   </Node>
</Root>

and then here is the template that will check this content: 

<?xml version="1.0"?>
<as:CAM   CAMlevel="1"   version="1.1"   xmlns:as="[url]http://www.oasis-open.org/committees/cam[/url]" >  <as:Header>    <as:Description>No Description</as:Description>    <as:Owner>Not Set</as:Owner>    <as:Version>0.1</as:Version>    <as:DateTime>2011-01-14T17:40:23</as:DateTime>  </as:Header>  <as:AssemblyStructure>    <as:Structure       ID="NewFile"       taxonomy="XML"       reference="">      <Root>        <Node>          <Value1>% ABC%</Value1>          <Value2>%1%</Value2>        </Node>      </Root>    </as:Structure>  </as:AssemblyStructure>  <as:BusinessUseContext>    <as:Rules>      <as:default>        <as:context>          <as:constraint             condition="  . = ' ABC' "             action="printMessage(//Node/Value1,Invalid content)"/>          <as:constraint             action="makeRepeatable(/Root/Node)"/>        </as:context>      </as:default>    </as:Rules>  </as:BusinessUseContext></as:CAM>