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Stripping Null Values from IDM Operations

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14 November 2007 - 6:33am
Submitted by: descent

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Problem

A Forum reader recently asked:

"Is there any way, without resorting to XSLT, to strip all null values from all operations, either at the Input, Output, the Command or both?"

And here's the response from Will Schneider ...

Solution

I use these rules:

<rule>
<description>Strimp Empty Values [Add]</description>
  <conditions>
  <and>
    <if-operation mode="case" op="equal">add</if-operation>
  </and>
  </conditions>
  <actions>
    <do-strip-xpath expression="add-attr[value='']"/>
    <do-strip-xpath expression="add-attr[not(*)]"/>
  </actions>
</rule>

<rule>
<description>Strimp Empty Values [Modify]</description>
  <conditions>
  <or>
    <if-operation mode="case" op="equal">modify</if-operation>
    <if-operation mode="case" op="equal">sync</if-operation>
  </or>
  </conditions>
  <actions>
    <do-strip-xpath expression="modify-attr/add-value[value='']"/>
    <do-strip-xpath expression="modify-attr[not(*)]"/>
  </actions>
</rule>

Although there is probably a more efficient way to do this, it does work well.



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