List<Element> shiftOnElementList = (List<Element>) shiftOnRequestsElement.getChildren();
shiftOnRequestList = new ArrayList<ShiftOnRequest>(shiftOnElementList.size());
long id = 0L;
for (Element element : shiftOnElementList) {
assertElementName(element, "ShiftOn");
ShiftOnRequest shiftOnRequest = new ShiftOnRequest();
shiftOnRequest.setId(id);
Element employeeElement = element.getChild("EmployeeID");
Employee employee = employeeMap.get(employeeElement.getText());
if (employee == null) {
throw new IllegalArgumentException("The shift (" + employeeElement.getText()
+ ") of shiftOnRequest (" + shiftOnRequest + ") does not exist.");
}
shiftOnRequest.setEmployee(employee);
Element dateElement = element.getChild("Date");
Element shiftTypeElement = element.getChild("ShiftTypeID");
Shift shift = dateAndShiftTypeToShiftMap.get(Arrays.asList(dateElement.getText(), shiftTypeElement.getText()));
if (shift == null) {
throw new IllegalArgumentException("The date (" + dateElement.getText()
+ ") or the shiftType (" + shiftTypeElement.getText()
+ ") of shiftOnRequest (" + shiftOnRequest + ") does not exist.");
}
shiftOnRequest.setShift(shift);
shiftOnRequest.setWeight(element.getAttribute("weight").getIntValue());
shiftOnRequestList.add(shiftOnRequest);
employee.getShiftOnRequestMap().put(shift, shiftOnRequest);
id++;
}