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<td style="vertical-align: top;; padding: 0; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"><span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://shibboleth.atlassian.net/browse/IDP-1997?atlOrigin=eyJpIjoiNDM5MDZiZDQ0ZWQ0NDc3N2FiMmM0MzljNGM2YzhjOGUiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Re: metadata driven configuration based on a list rather than a single value?</a> </span></td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"><p style="margin: 10px 0 0; margin-top: 0">SAML Attributes should always be expressed with multiple AttributeValue elements, and we do that pretty consistently in all of the metadata-driven hooks.</p><p style="margin: 10px 0 0">The custom schemas occasionanally favor XML lists because Attributes are often more concise then Elements, but XML lists are formally defined by XML Schema, they’re whitespace-delimited.</p><p style="margin: 10px 0 0">Most places in Spring we inject lists, they just happen to be alternatively expressed in SpEL as delimited lists, and the property layer introduces other complications at times. But we don’t usually take those shortcuts unless we have to.</p>
<blockquote style="margin: 10px 0 0; border-left: 1px solid #cccccc; color: #707070; margin-left: 19px; padding: 10px 20px">
<p style="margin: 10px 0 0; margin-top: 0">I’ve seen examples metadata driven configuration looking at a single value, but I’m not sure how we’d evaluate a single value that is actually a list of values?</p>
</blockquote><p style="margin: 10px 0 0">Settings that are collections rely on multiple AttributeValue elements. e.g. settings like postAuthenticationFlows look like:</p>
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<pre style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal; white-space: pre; word-break: normal; word-wrap: break-word; word-break: break-all; white-space: pre-wrap"><saml:Attribute Name="http://shibboleth.net/ns/profiles/saml2/sso/browser/postAuthenticationFlows"
NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri">
<saml:AttributeValue>terms-of-use</saml:AttributeValue>
<saml:AttributeValue>attribute-release</saml:AttributeValue>
</saml:Attribute></pre>
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</div><p style="margin: 10px 0 0">Conditions that know how to process EntityAttributes also support multiple values inherently.</p><p style="margin: 10px 0 0">Not sure what specific example you’re wondering about.</p></td>
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