String com = ureq.getParameter("com");
// ------- open java IDE -------
if (com.equals("ojava")) {
// open java editor with the given java class source
IDE ide = (IDE) ServiceFactory.getServiceOrNull(IDE.class);
if (ide != null) {
String cl = ureq.getParameter("class");
// cl e.g. org.olat.core.MyClass
//ide does not work yet, just show sourcecode in new browser window
try {