scala - Extracting element names and property values from XML -

i’m relatively new working scala having come java background.

i’m seeking advice on creating efficient s means of reading xml file , extracting element names , properties contained within data enclosed between parentheses.

for example

< name >{property}< name/ >

so key there data contained within {}

i want populate hash map actual element names , property values contained between {}.

i’m sure not overly complex given limited scala expertise @ time i’d bounce question off expertise within forum.

many taking time answer.

[updated] realized you've asked braces in text, not xml-related syntax braces. possible answer is:

scala> val xml = <a>                    <prop>{{key1}}</prop>                    <prop>{{key2}}</prop>                    <prop>notkey</prop>                  </a> xml: scala.xml.elem = <a><prop>{key1}</prop><prop>{key2}</prop><prop>notkey</prop></a> 

i've doubled { , } escape braces, because scala treat {variable} substitute:

scala> val text="all base belong us" text: java.lang.string = base belong  scala> val template = <a>{text}</a> template: scala.xml.elem = <a>all base belong us</a> 

now work.
take prop's use \ projection operator, takes subnodes given name. take sub-sub-...-sub nodes in xml tree use instead \\.

scala> val props = xml\"prop" props: scala.xml.nodeseq = nodeseq(<prop>{key1}</prop>, <prop>{key2}</prop>, <prop>notkey</prop>)  val keys = props.filter (p => p.text.startswith("{")) res3: scala.xml.nodeseq = nodeseq(<prop>{key1}</prop>, <prop>{key2}</prop>) 

actually, i'm cheated here, , supposed non-desired property field cannot exist in form {notkey. can rewrite code filter keys in manner (e.g. using regexp's)

scala> for(k <- keys) {      | println(k.label+":"+k.text)      | } prop:{key1} prop:{key2} 

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edited jul 21 '11 @ 16:53

answered jul 21 '11 @ 14:45 om-nom-nom 49.8k9142184

	om-nom-nom, many this, it’s type of guidance , example i’d been hoping for. gary – gary jul 21 '11 @ 19:32
	@gary, why don't accept answer then? ;) – om-nom-nom jul 21 '11 @ 19:51
	sorry, i'd forgotten check accepted. again. – gary jul 21 '11 @ 21:02

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