ScriptedAttribute: is there a coding guide (Objects/Classes/methods and for loops)?

[Paul Fardy]

The wiki states:
The ScriptedAttribute AttributeDefinition constructs an output attribute via the execution of a JSR-223<https://docs.oracle.com/en/java/javase/11/scripting/index.html> script.
The JSR-223 link goes Oracles Java Scripting docs, but I have not found an Object/Class library guide. I think it's just a top level doc.

I know a limited set of operations, e.g.:


if (some_attribute.getValues().contains("this")) {

   my_attribute.getValues().add("that");

}

But I'd like a complete guide.

My immediate want is to copy an attribute and then add values. How do I copy-assign from one attribute to another? I want the IdP to enhance our eduPersonAffiliation so it expressly asserts some POSET rules. e.g.

 staff → employee
 student → member


<AttributeDefinition id="affilAsPOSET" xsi:type="ScriptedAttribute" >

  <InputAttributeDefinition ref="affiliation" />

  <AttributeEncoder xsi:type="SAML2String" name="urn:oid:1.3.6.1.4.1.5923.1.1.1.1"

        friendlyName="eduPersonAffiliation" />

  <Script><![CDATA[

    for (value in affiliation.getValues()) {

       affliAsPOSET.getValues().add(value);

    }

    if (affiliation.getValues().contains("faculty") {

       affilAsPOSET.getValues().add("employee");

    }

   ]]>

  </Script>

</AttributeDefinition>

The for loop doesn't work. Nor does this one:


a = affiliation.getValues();

for (affil in ("staff", "student", "faculty")) {

   if (a.contains(affil)) {

      affilAsPOSET.getValues().add(affil);

   }

}

Where do I find docs on the correct use of for loops?
What class is "affiliation"? What methods are supported? How to I copy an object?

Paul
--
Paul Fardy, Shib Admin, Info Security, ITS
University of Toronto
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