Constructing QName instances for namespaced XML

[dmanchester]

Hi there,

I'm enjoying using Spac so far!

I'm working with namespaced XML, and I've gotten a basic example working, but I imagine there's a better way to construct the QName instances I need.

Here's a cut-down example of my XML (available in my project as resources/minimal.xml):

<?xml version="1.0" encoding="UTF-8"?>
<faa:SubscriberFile xsi:schemaLocation="http://www.faa.gov/aixm5.1 ../AIXM/extension/SubscriberFile-AIXM.xsd" xmlns:faa="http://www.faa.gov/aixm5.1" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aixm="http://www.aixm.aero/schema/5.1">
    <faa:Member>
        <aixm:AirportHeliport gml:id="AH_0000001"/>
    </faa:Member>
</faa:SubscriberFile>

The following works for getting a List with that AH_0000001 value...

val gmlIds = Splitter
  .xml("SubscriberFile" \ "Member" \ "AirportHeliport")
  .joinBy(XmlParser.attr(new QName("http://www.opengis.net/gml/3.2", "id")))
  .parseToList
  .parse(JavaxSource.fromInputStream { getClass.getResourceAsStream("resources/minimal.xml") })

...but new QName("http://www.opengis.net/gml/3.2", "id") is kind of unsightly. Is there a better way?

Thank you,
Dan

[dmanchester]

...I should mention that simply writing XmlParser.attr("id") leads to:

Exception in thread "main" io.dylemma.spac.xml.XmlSpacException$MissingMandatoryAttributeException: Expected attribute 'id' was missing from ElemStart({http://www.aixm.aero/schema/5.1}AirportHeliport, {http://www.opengis.net/gml/3.2}id=AH_0000001)
	at input.event(<{http://www.aixm.aero/schema/5.1}AirportHeliport {http://www.opengis.net/gml/3.2}id="[...truncated]) @ {line: 4, col: 52, offset: 399} (data source)
	at input.context(<{http://www.aixm.aero/schema/5.1}AirportHeliport {http://www.opengis.net/gml/3.2}id="[...truncated]) @ {line: 4, col: 52, offset: 399} (data source)
	at input.context(<{http://www.faa.gov/aixm5.1}Member>) @ {line: 3, col: 17, offset: 347} (data source)
	at input.context(<{http://www.faa.gov/aixm5.1}SubscriberFile {http://www.w3.org/2001/XMLSchema-instance[...truncated]) @ {line: 2, col: 292, offset: 330} (data source)
	at client.splitter(elem(SubscriberFile) \ elem(Member) \ elem(AirportHeliport))
	...

...Similarly, with XmlParser.attr("gml:id"):

Exception in thread "main" io.dylemma.spac.xml.XmlSpacException$MissingMandatoryAttributeException: Expected attribute 'gml:id' was missing from ElemStart({http://www.aixm.aero/schema/5.1}AirportHeliport, {http://www.opengis.net/gml/3.2}id=AH_0000001)
	at input.event(<{http://www.aixm.aero/schema/5.1}AirportHeliport {http://www.opengis.net/gml/3.2}id="[...truncated]) @ {line: 4, col: 52, offset: 399} (data source)
	at input.context(<{http://www.aixm.aero/schema/5.1}AirportHeliport {http://www.opengis.net/gml/3.2}id="[...truncated]) @ {line: 4, col: 52, offset: 399} (data source)
	at input.context(<{http://www.faa.gov/aixm5.1}Member>) @ {line: 3, col: 17, offset: 347} (data source)
	at input.context(<{http://www.faa.gov/aixm5.1}SubscriberFile {http://www.w3.org/2001/XMLSchema-instance[...truncated]) @ {line: 2, col: 292, offset: 330} (data source)
	at client.splitter(elem(SubscriberFile) \ elem(Member) \ elem(AirportHeliport))
	...