public static String  simpleReadFile(String filePath){
		FileInputStream fis=null;

		InputStreamReader isr = null;

		BufferedReader br=null;

		try{
			StringBuilder sb=new StringBuilder();
			File file = new File(filePath);

			fis = new FileInputStream(file);
			isr= new InputStreamReader(fis);
			br= new BufferedReader(isr);

			String readLine = null;

			while((readLine = br.readLine()) != null){
				sb.append(readLine).append("\n");
			}
			return sb.toString();
		}
		catch(Exception e){
			System.out.println("Erreur pour lire : "+ filePath);

			e.printStackTrace();
			return null;
		}
		finally{

			if(fis !=null)
			{
				try {
					fis.close();
				} catch (IOException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}

			if(isr != null){
				try {
					isr.close();
				} catch (IOException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}

			if(br!=null){
				try {
					br.close();
				} catch (IOException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}

		}
	}