}
source.append(requestURL);
source.append("?");
Enumeration names = request.getParameterNames();
while (names.hasMoreElements()) {
String key = xf.filter((String) names.nextElement());
String[] values = xf.getParameterValues(key);
if(values!=null) {
for (int i = 0; i < values.length; i++) {
source.append(key + "=" + values[i] + "&");
}