Method readLine

corpus/java/training/guava/io/LineReader.java:72–88

Reads a line of text. A line is considered to be terminated by any one of a line feed ('\n'), a carriage return ('\r'), or a carriage return followed immediately by a linefeed ("\r\n"). @return a String containing the contents of the line, not including any line-

()

   * @throws IOException if an I/O error occurs
   */
  @CanIgnoreReturnValue // to skip a line
  public String readLine() throws IOException {
    while (lines.peek() == null) {
      cbuf.clear();
      // The default implementation of Reader#read(CharBuffer) allocates a
      // temporary char[], so we call Reader#read(char[], int, int) instead.
      int read = (reader != null)
          ? reader.read(buf, 0, buf.length)
          : readable.read(cbuf);
      if (read == -1) {
        lineBuf.finish();
        break;
      }
      lineBuf.add(buf, 0, read);
    }
    return lines.poll();
  }
}