Method reader

basex-core/src/main/java/org/basex/query/func/proc/ProcFn.java:125–136

Creates a reader thread. @param in input stream @param tb token builder @param cs charset @param pr process result @return result

(final InputStream in, final TokenBuilder tb, final Charset cs,
      final ProcResult pr)

   * @return result
   */
  private static Thread reader(final InputStream in, final TokenBuilder tb, final Charset cs,
      final ProcResult pr) {
    final InputStreamReader isr = new InputStreamReader(in, cs);
    final BufferedReader br = new BufferedReader(isr);
    return new Thread(() -> {
      try {
        for(int b; (b = br.read()) != -1;) tb.add(b);
      } catch(final IOException ex) {
        pr.exception = ex;
      }
    });
  }
}