TestHttpServer.java 文件源码

@SuppressWarnings("unchecked")
@Override
public void doGet(HttpServletRequest request, 
                  HttpServletResponse response
                  ) throws ServletException, IOException {
  PrintWriter out = response.getWriter();
  Map<String, String[]> params = request.getParameterMap();
  SortedSet<String> keys = new TreeSet<String>(params.keySet());
  for(String key: keys) {
    out.print(key);
    out.print(':');
    String[] values = params.get(key);
    if (values.length > 0) {
      out.print(values[0]);
      for(int i=1; i < values.length; ++i) {
        out.print(',');
        out.print(values[i]);
      }
    }
    out.print('\n');
  }
  out.close();
}