public ReadFileClass(String filePath) {
		super();
		this.filePath = filePath;
		BufferedReader reader = null;
		try {
			FileReader file = new FileReader(this.filePath);
			reader = new BufferedReader(file);
			String str = "";
			while ( (str = reader.readLine()) != null ) {
				if(str == "") {
					continue;
				}
				this.keyWords.add(str);
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			if (reader != null){
				try {
					reader.close();
				} catch (IOException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
		}
	}