private void callMethodForParam(HttpServletRequest req, HttpServletResponse resp)
throws Exception {
String pinfo = req.getPathInfo();
int pos = pinfo.indexOf('.');
String cname = pinfo.substring(1, pos).replace('/', '.');
String mname = pinfo.substring(pos + 1);
int argc = 0;
while (req.getParameter("a" + argc) != null) argc++;
Class clazz = Class.forName(cname);
Method method = null;
Method[] methods = clazz.getMethods();
for (int i = 0; i < methods.length; i++) {
if (methods[i].getParameterTypes().length == argc && mname.equals(methods[i].getName())) {
method = methods[i];
}
}
if (method == null) {
throw new RuntimeException("Not found method " + mname + "(" + argc + "args)");
}
Object[] args = new Object[argc];
Class[] types = method.getParameterTypes();
if (types != null) {
for (int i = 0; i < types.length; i++) {
args[i] = toArg(types[i], req.getParameter("a" + i));
}
}
Object result = method.invoke(null, args);
resp.setContentType(MIME_JSON);
OutputStream out = resp.getOutputStream();
out.write("{\"result\":".getBytes("UTF-8"));
new JSONSerializer().serialize(result, out);
out.write("}".getBytes("UTF-8"));
out.flush();
}
