[arin-tech-discuss] FALSE vs. false on privateCustomer

Andy Newton andy at arin.net
Fri Sep 16 09:28:05 EDT 2011


We define our XML using Relax NG, which defers to the W3C's XML Schema for primitive datatypes.
Unfortunately, XML Schema defines a boolean as either "true" or "false".
( http://www.w3.org/TR/xmlschema-2/#boolean )

We validate all inbound XML to insure data integrity, and the error you are getting is a schema violation error.

Admittedly, case insensitive "true" or "false" does seem limiting. I'll look into the feasibility of a backwards-compatible schema change that is more accepting of other logical notions of true and false.

Andy Newton
Chief Engineer

On Sep 15, 2011, at 2:22 PM, Aaron Hughes wrote:

> So this one really frustrated me and figured I would share.
> Incredibly, this doesn't work:  <privateCustomer>FALSE</privateCustomer> 
> but this does: <privateCustomer>false</privateCustomer>
> This means it's not actually a TRUE v. FALSE (1 v. 0), it's a string. E.g. if you are, like I am, storing something like $private_customer = $row['residential_customer_privacy_enable'];, don't make it a boolean.
> The error message is also misleading:
> <additionalInfo><message>bad         
> character content for                                                           
> element</message></additionalInfo><code>E_SCHEMA_VALIDATION</code><component    
> s/><message>The XML payload did not validate against the defined schema.        
> Please see the documentation for                                                
> details.</message></error>
> Just a heads up to any of you who may run into this.
> ARIN Dev,
> If you change this to a boolean (as it likely should be, please make sure to account for both implementations as a string "false" might be considered "TRUE" in the boolean world.
> Cheers,
> Aaron
> -- 
> Aaron Hughes 
> aaronh at bind.com
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