code: public static String readFile(File file) {
  		FileInputStream inputStream;
  		try {
  			inputStream = new FileInputStream(file);
  			return new String(readStream(inputStream));
  		} catch (FileNotFoundException e) {
  			JK.throww(e);
  			return null;
  		}
  	}
docs: Read file.
  
  @param file the file
  @return the string