public NameSurferDataBase(String filename) {
		// You fill this in //
		dataFile = new HashMap<String, NameSurferEntry>();
		try{
			BufferedReader source = new BufferedReader(new FileReader(filename));
			while(true){
				String line = source.readLine();
				if(line == null) break;
				NameSurferEntry entry = new NameSurferEntry(line);
				String entryName = entry.getName().toLowerCase();
				dataFile.put(entryName,entry);
			}
			source.close();
		}catch(IOException e){
			e.printStackTrace();
		}
	}