public void close() { try { if (ins != null && !in_dontclose) { ins.Close(); } ins = null; } catch (Exception ee) {} try { if (outs != null && !out_dontclose) { outs.Close(); } outs = null; } catch (Exception ee) {} try { if (outs_ext != null && !outs_ext_dontclose) { outs_ext.Close(); } outs_ext = null; } catch (Exception ee) {} }