public synchronized boolean addUserClient(String username, ClientThread clientThread) {
checkNotNull(username);
checkNotNull(clientThread);
if (takenUsernames.containsKey(username)) return false;
takenUsernames.put(username, clientThread);
return true;
}
@Override
public FieldDefinition getField(final String fieldName) {
if (fields.containsKey(fieldName)) {
return fields.get(fieldName);
} else if (priorityField != null && priorityField.getName().equals(fieldName)) {
return priorityField;
} else {
return null;
}
}
public synchronized boolean isChatroomExisting(String chatroomName) {
checkNotNull(chatroomName);
return chatrooms.containsKey(chatroomName);
}
public synchronized Chatroom getChatroomByName(String chatroom) throws ChatroomNotFoundExeption {
checkNotNull(chatroom);
if (chatroom.equals(defaultChatName)) return defaultChat;
if (!chatrooms.containsKey(chatroom)) throw new ChatroomNotFoundExeption(chatroom);
return chatrooms.get(chatroom);
}
public synchronized boolean containsUser(String user) {
return takenUsernames.containsKey(user);
}