private void processTasks() {
if (implicitTag != null) {
return;
}
for (Iterator<Task> i = unknownElements.iterator(); i.hasNext();) {
UnknownElement ue = (UnknownElement) i.next();
String name = ProjectHelper.extractNameFromComponentName(
ue.getTag()).toLowerCase(Locale.ENGLISH);
if (getNsElements().get(name) == null) {
throw new BuildException("unsupported element " + name);
}
if (presentElements.get(name) != null) {
throw new BuildException("Element " + name + " already present");