Creating XML

Scala allows you to embed XML directly into a program and provides several ways to manipulate it. Today we will look at writing XML.

1. scala> val xml = <root>
2.      | <child>text</child>
3.      | </root>
4. xml: scala.xml.Elem =
5. <root>
6.        <child>text</child>
7.        </root>
9. scala> val data = "a string"
10. data: java.lang.String = a string
12. // you can embed logic and variables in the xml by surrounding with {}
13. scala> val xml = <root>{data}</root>
14. xml: scala.xml.Elem = <root>a string</root>
16. scala> val xml = <root>{ for( i <- 1 to 3 ) yield {<xml i={i.toString}/>} } </root>
17. xml: scala.xml.Elem = <root><xml i="1"></xml><xml i="2"></xml><xml i="3"></xml> </root>
19. scala> val xml = <root>{ for( i <- 1 to 3 ) yield <child>{i}</child> } </root>
20. xml: scala.xml.Elem = <root><child>1</child><child>2</child><child>3</child> </root>
22. // save xml to file.  Note Scala 2.8 is changin save API
23. // and will require the encoding and DocType information
24. scala> scala.xml.XML.save( "/tmp/doc.xml", xml)