/**
* Ensures the uniqueness of the identifier <code>uniqueId</code>. Throws various exceptions if
* the id is not unique.
*
* @param uniqueId the id that might be unique
* @param adding the station that is about to be added
*/
private void checkStationIdentifierUniqueness(String uniqueId, CStation<?> adding) {
if (uniqueId == null) throw new NullPointerException("uniqueId must not be null");
if (CContentArea.getCenterIdentifier(CControl.CONTENT_AREA_STATIONS_ID).equals(uniqueId))
throw new IllegalArgumentException(
"The id " + uniqueId + " is reserved for special purposes");
if (CContentArea.getEastIdentifier(CControl.CONTENT_AREA_STATIONS_ID).equals(uniqueId))
throw new IllegalArgumentException(
"The id " + uniqueId + " is reserved for special purposes");
if (CContentArea.getWestIdentifier(CControl.CONTENT_AREA_STATIONS_ID).equals(uniqueId))
throw new IllegalArgumentException(
"The id " + uniqueId + " is reserved for special purposes");
if (CContentArea.getSouthIdentifier(CControl.CONTENT_AREA_STATIONS_ID).equals(uniqueId))
throw new IllegalArgumentException(
"The id " + uniqueId + " is reserved for special purposes");
if (CContentArea.getNorthIdentifier(CControl.CONTENT_AREA_STATIONS_ID).equals(uniqueId))
throw new IllegalArgumentException(
"The id " + uniqueId + " is reserved for special purposes");
for (CStation<?> station : stations) {
if (station.getUniqueId().equals(uniqueId)) {
if (station == adding) {
throw new IllegalArgumentException("The station has already been registered");
}
throw new IllegalArgumentException("There exists already a station with id: " + uniqueId);
}
}
}
public void addStation(CStation<?> station) {
if (!settingDefaultStations) {
checkStationIdentifierUniqueness(station.getUniqueId(), station);
}
stations.add(station);
}