private JSONObject getResponse(HttpServletRequest request) throws IOException, JSONException {
JSONObject requestJSON = null;
if (request.getInputStream() != null) {
BufferedReader rd = new BufferedReader(new InputStreamReader(request.getInputStream()));
StringBuilder s = new StringBuilder();
String line;
while ((line = rd.readLine()) != null) {
s.append(line);
}
rd.close();
String json = s.toString();
if (json != null && !"".equals(json)) {
requestJSON = new JSONObject(json);
}
}
JSONObject res = new JSONObject();
res.put("success", false);
// the id can be specified via a param, or in the json request.
String id;
if (requestJSON == null) {
id = request.getParameter("id");
} else {
if (!requestJSON.has("id")) {
res.put("msg", "you need to specify at least an id when call the node status service.");
return res;
} else {
id = requestJSON.getString("id");
}
}
// see RegistrationRequest.ensureBackwardCompatibility()
try {
URL u = new URL(id);
id = "http://" + u.getHost() + ":" + u.getPort();
} catch (MalformedURLException ignore) {
}
// id is defined from here.
RemoteProxy proxy = getRegistry().getProxyById(id);
if (proxy == null) {
res.put("msg", "Cannot find proxy with ID =" + id + " in the registry.");
return res;
} else {
res.put("msg", "proxy found !");
res.put("success", true);
res.put("id", proxy.getId());
res.put("request", proxy.getOriginalRegistrationRequest().getAssociatedJSON());
// maybe the request was for more info
if (requestJSON != null) {
// use basic (= no objects ) reflexion to get the extra stuff
// requested.
List<String> methods = getExtraMethodsRequested(requestJSON);
List<String> errors = new ArrayList<String>();
for (String method : methods) {
try {
Object o = getValueByReflection(proxy, method);
res.put(method, o);
} catch (Throwable t) {
errors.add(t.getMessage());
}
}
if (!errors.isEmpty()) {
res.put("success", false);
res.put("errors", errors.toString());
}
}
return res;
}
}
