private void readFile(File diffMapperFile) {
		try {
			BufferedReader reader = new BufferedReader(new FileReader(diffMapperFile));
			String[] title = reader.readLine().split("\t");
			String line;
			
			while((line = reader.readLine()) != null) {
				String[] value = line.split("\t");
				for(int i = 0; i < title.length; i++) 
					addValue(title[i], value[i]);
			}
			
			reader.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}