xmlconvert

/**
 * Created by IntelliJ IDEA.
 * User: kyon
 * Date: 11/03/15
 * Time: 0:54
 * To change this template use File | Settings | File Templates.
 */

class KeyValue{
    def key
    def value
    KeyValue(key, value){
        this.key = key
        this.value = value
    }
}
String convert(List list) {
    StringWriter sw = new StringWriter()
    def xml = new groovy.xml.MarkupBuilder(sw)
    xml.langs(type: "current") {
        list.each{
            switch (it.value){
                case String : "${it.key}"(it.value)
                  break
                default : "${it.key}"(it.value)
            }

        }
    }
    return sw.toString();
}

list = [new KeyValue("key1","value1"),new KeyValue("key2","value2"),new KeyValue("key3", [new KeyValue("key3-1","value3-1"),new KeyValue("key3-2","value3-2")])]

expect ='''<langs type='current'>
  <key1>value1</key1>
  <key2>value2</key2>
  <key3>
    <key3-1>value3-1</key3-1>
    <key3-2>value3-2</key3-2>
  </key3>
</langs>'''
assert expect.equals(convert(list))