/**
* 打印支持JSONP格式的结果
*
* @param response
* @param restRequest
* @param restResponse
* @throws java.io.IOException
*/
public static void printJsonForJsonp(
HttpServletResponse response, RestRequest restRequest, RestResponse restResponse)
throws IOException {
PrintWriter out = response.getWriter();
String jsonString = JSON.toJSONString(restResponse);
response.setContentType("text/javascript; charset=UTF-8");
out.print(restRequest.getCallback() + "(" + jsonString + ")");
}
/**
* gets the path given in database.json and stores it on the Database class
*
* @param mainJSON The main json tokener
*/
public static void initialise(JSONTokener mainJSON) {
// main.json
JSONObject mainObj = (new JSONObject(mainJSON)).getJSONObject("main");
JSONObject settingsObj = mainObj.getJSONObject("settings");
String databasePath = settingsObj.getString("database");
// database.json
JSONObject databaseObj =
(new JSONObject(JSON.getJSONTokener(databasePath))).getJSONObject("database");
dbPath = databaseObj.getString("path");
Debug.println("Database -> " + dbPath);
}
/**
* Process HTTP request.
*
* @param act Action.
* @param req Http request.
* @param res Http response.
*/
private void processRequest(String act, HttpServletRequest req, HttpServletResponse res) {
res.setContentType("application/json");
res.setCharacterEncoding("UTF-8");
GridRestCommand cmd = command(req);
if (cmd == null) {
res.setStatus(HttpServletResponse.SC_BAD_REQUEST);
return;
}
if (!authChecker.apply(req.getHeader("X-Signature"))) {
res.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
return;
}
GridRestResponse cmdRes;
Map<String, Object> params = parameters(req);
try {
GridRestRequest cmdReq = createRequest(cmd, params, req);
if (log.isDebugEnabled()) log.debug("Initialized command request: " + cmdReq);
cmdRes = hnd.handle(cmdReq);
if (cmdRes == null)
throw new IllegalStateException("Received null result from handler: " + hnd);
byte[] sesTok = cmdRes.sessionTokenBytes();
if (sesTok != null) cmdRes.setSessionToken(U.byteArray2HexString(sesTok));
res.setStatus(HttpServletResponse.SC_OK);
} catch (Exception e) {
res.setStatus(HttpServletResponse.SC_OK);
U.error(log, "Failed to process HTTP request [action=" + act + ", req=" + req + ']', e);
cmdRes = new GridRestResponse(STATUS_FAILED, e.getMessage());
} catch (Throwable e) {
U.error(log, "Failed to process HTTP request [action=" + act + ", req=" + req + ']', e);
throw e;
}
JsonConfig cfg = new GridJettyJsonConfig();
// Workaround for not needed transformation of string into JSON object.
if (cmdRes.getResponse() instanceof String)
cfg.registerJsonValueProcessor(cmdRes.getClass(), "response", SKIP_STR_VAL_PROC);
if (cmdRes.getResponse() instanceof GridClientTaskResultBean
&& ((GridClientTaskResultBean) cmdRes.getResponse()).getResult() instanceof String)
cfg.registerJsonValueProcessor(cmdRes.getResponse().getClass(), "result", SKIP_STR_VAL_PROC);
JSON json;
try {
json = JSONSerializer.toJSON(cmdRes, cfg);
} catch (JSONException e) {
U.error(log, "Failed to convert response to JSON: " + cmdRes, e);
json = JSONSerializer.toJSON(new GridRestResponse(STATUS_FAILED, e.getMessage()), cfg);
}
try {
if (log.isDebugEnabled())
log.debug("Parsed command response into JSON object: " + json.toString(2));
res.getWriter().write(json.toString());
if (log.isDebugEnabled())
log.debug(
"Processed HTTP request [action=" + act + ", jsonRes=" + cmdRes + ", req=" + req + ']');
} catch (IOException e) {
U.error(log, "Failed to send HTTP response: " + json.toString(2), e);
}
}
public static String toJsonString(Object obj) {
return JSON.toJSONString(obj, SerializerFeature.WriteDateUseDateFormat);
}