code: private boolean tryPeekDelimiter(char delimiter) throws IOException {
          if (this.isEndOfFile()) {
              throw new EOFException(SR.LOG_STREAM_END_ERROR);
          }
          else {
              if ((char) this.peek() != delimiter) {
                  return false;
              }
              else {
                  return true;
              }
          }
      }
docs: Checks to see if the next character is the delimiter expected.
  
  @param delimiter
  the delimiter to try to peek.
  @return
  @throws IOException