headers.put(name.toLowerCase(), v);
setHeader(name.toLowerCase(), v);
  public void addHeader(String name, String value)  {    Object v = (headers != null? headers.get(name.toLowerCase()) : null);    if(v == null)      v = name+": "+value;    else if(v instanceof String) {      Vector vv = new Vector(2);      vv.add(v);      vv.add(name+": "+value);      v = vv;    } else      ((List)v).add(name+": "+value);    headers.put(name.toLowerCase(), v);  }