Root.getLocale ()
function checks if language and country were specified for root. if so, it returns the specified Locale-object otherwise it returns the default locale of the JVM

Sourcecode in Root/objectFunctions.js:
1:   function getLocale() {
2:      var locale = this.cache.locale;
3:      if (locale)
4:          return locale;
5:      if (this.sys_language)
6:         locale = new java.util.Locale(this.sys_language, this.sys_country ? this.sys_country : "");
7:      else
8:         locale = java.util.Locale.getDefault();
9:      this.cache.locale = locale;
10:     return locale;
11:  }