roomsIDs = new ArrayList<String>(this.getChosenRoomsIDs().length);
    public boolean prepareArguments(List<String> executionCourseIDs, List<String> curricularCourseScopeIDs, List<String> roomsIDs) throws FenixFilterException, FenixServiceException {        for (Integer executionCourseID : this.associatedExecutionCourses) {            executionCourseIDs.add(executionCourseID.toString());            if (this.getCurricularCourseScopesToAssociate().get(executionCourseID).length == 0) {                this.setErrorMessage("error.invalidCurricularCourseScope");                return false;            }            for (Integer roomID : this.getCurricularCourseScopesToAssociate().get(executionCourseID)) {                curricularCourseScopeIDs.add(roomID.toString());            }        }                if (this.getChosenRoomsIDs() != null) {            roomsIDs = new ArrayList<String>(this.getChosenRoomsIDs().length);            for (Integer roomID : this.getChosenRoomsIDs()) {                roomsIDs.add(roomID.toString());            }        }                return true;    }