/** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// TODO Auto-generated method stub
response.setHeader("Access-Control-Allow-Origin", "*");
response.setHeader(
"Access-Control-Allow-Headers", MarketplaceContants.ACCESS_CONTROL_ALLOW_HEADERS);
response.setHeader(
"Access-Control-Allow-Methods", MarketplaceContants.ACCESS_CONTROL_ALLOW_METHODS);
response.setHeader(
"Access-Control-Expose-Headers", MarketplaceContants.ACCESS_CONTROL_ALLOW_HEADERS);
PrintWriter out = response.getWriter();
try {
Users accessUser = null;
PermissionFilter filter = new PermissionFilter();
String loginID = filter.checkAndGetLoginFromToken(request, response);
UserDAO userDao = new UserDAO();
if (loginID == null) {
if (filter.getCheckResult().equalsIgnoreCase(filter.INVALID_LOGIN_TOKEN_ID)) {
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Invalid_login_token_id, null, null);
return;
} else if (filter
.getCheckResult()
.equalsIgnoreCase(AllConstants.ErrorDictionary.login_token_expired)) {
return;
} else {
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Invalid_login_token_id, null, null);
return;
}
} else {
accessUser = userDao.getLogin(loginID);
}
String targetLoginID = filter.getTargetUserID(request, response);
if (targetLoginID != null) {
Users targetUser = userDao.getLogin(targetLoginID);
if (targetUser == null) {
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Invalid_Target_LoginID, null, null);
return;
}
}
if (targetLoginID == null) {
targetLoginID = loginID;
}
Gson gson = new Gson();
int marketID = 0;
if (request.getParameter(MarketplaceContants.RequestParameters.marketID) == null) {
ReturnParser.outputErrorException(
response,
AllConstants.ErrorDictionary.MISSING_DATA,
null,
MarketplaceContants.RequestParameters.marketID);
return;
}
try {
marketID =
Integer.parseInt(request.getParameter(MarketplaceContants.RequestParameters.marketID));
} catch (Exception ex) {
ex.printStackTrace();
ReturnParser.outputErrorException(
response,
AllConstants.ErrorDictionary.Invalid_data_format,
null,
MarketplaceContants.RequestParameters.marketID);
return;
}
DataMarketDAO dmDao = new DataMarketDAO();
DataMarket dm = dmDao.getDataMarketByID(marketID);
if (dmDao.existDataSharingItem(loginID, dm.getDatastream().getStreamId())) {
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.data_sharing_item_exist, null, null);
return;
}
DataSharing ds = new DataSharing();
ds.setLoginID(loginID);
ds.setTargetLoginID(dm.getDatastream().getOwner());
ds.setStreamID(dm.getDatastream());
ds.setCreatedTime(new Date());
ds = dmDao.addDataSharing(ds);
JsonObject jo = new JsonObject();
jo.addProperty(AllConstants.ProgramConts.result, AllConstants.ProgramConts.succeed);
// solve gson error with mulitple level reference
ds.setStreamID(null);
JsonElement jelement = gson.toJsonTree(ds);
jo.add("data_sharing", jelement);
System.out.println(gson.toJson(jo));
out.println(gson.toJson(jo));
} catch (Exception ex) {
ex.printStackTrace();
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Internal_Fault, null, null);
return;
} finally {
out.close();
}
}
/**
* Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
public void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("application/json");
response.setCharacterEncoding("UTF-8");
request.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
try {
JsonUtil jutil = new JsonUtil();
String input = jutil.readJsonStrFromHttpRequest(request);
System.out.println("input:" + input);
JsonUserToken jsonUserToken = null;
Gson gson = new Gson();
try {
jsonUserToken = gson.fromJson(input, JsonUserToken.class);
if (jsonUserToken == null) {
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Input_Json_Format_Error, null, null);
return;
}
} catch (Exception ex) {
ex.printStackTrace();
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Input_Json_Format_Error, null, null);
return;
}
UserDAO userdao = new UserDAO();
String username = null;
String password = null;
username = jsonUserToken.getLoginid();
password = jsonUserToken.getPassword();
if (username == null || username.length() < 1) {
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Invalid_Login_format, null, null);
return;
}
if (password == null || password.length() < 1) {
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Invalid_password_format, null, null);
return;
}
Users user = userdao.getLogin(username);
if (user == null) {
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Invalid_LoginID, null, null);
return;
}
if (!user.getPassword().equalsIgnoreCase(password)) {
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Invalid_wrong_password, null, null);
return;
}
Date expireTime = null;
if (jsonUserToken.getExpire_in_seconds() != null
&& jsonUserToken.getExpire_in_seconds().length() > 1) {
try {
long expireInSeconds = Long.parseLong(jsonUserToken.getExpire_in_seconds());
if (expireInSeconds > 1) {
Date now = new Date();
long expireLong = now.getTime() + 1000L * expireInSeconds;
expireTime = new Date();
expireTime.setTime(expireLong);
}
} catch (Exception ex) {
ex.printStackTrace();
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Invalid_date_format, null, null);
return;
}
}
String ipAddress = request.getRemoteAddr();
LoginToken token = userdao.requestNewLoginToken(username, ipAddress, expireTime);
jsonUserToken.setPassword(null);
jsonUserToken.setToken(token.getTokenID());
DBtoJsonUtil dbtoJUtil = new DBtoJsonUtil();
// dbtoJUtil.convert_a_Subject(null)
UserDAO userDao = new UserDAO();
UserInfo userinfo = userDao.getUserInfo(user.getLoginID());
if (userinfo == null) {
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Invalid_LoginID, null, null);
return;
}
FollowingDAO followingDao = new FollowingDAO();
List<Follower> follwerList = followingDao.getFollowers(user.getLoginID());
List<Follower> follweringList = followingDao.getFollowerings(user.getLoginID());
Map<String, String> followerMap = null;
Map<String, String> followeringsMap = null;
JsonUserInfo juserinfo = dbtoJUtil.convert_a_userinfo(userinfo, followerMap, followeringsMap);
juserinfo.setTotal_followers(Integer.toString(follwerList.size()));
juserinfo.setTotal_followings(Integer.toString(follweringList.size()));
JsonElement je = gson.toJsonTree(juserinfo);
JsonObject jo = new JsonObject();
JsonElement je_usertoken = gson.toJsonTree(jsonUserToken);
jo.addProperty(AllConstants.ProgramConts.result, AllConstants.ProgramConts.succeed);
jo.add("usertoken", je_usertoken);
jo.add("userinfo", je);
JsonWriter jwriter = new JsonWriter(response.getWriter());
gson.toJson(jo, jwriter);
} catch (Exception ex) {
ex.printStackTrace();
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Internal_Fault, null, null);
return;
} finally {
out.close();
}
}
public void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setCharacterEncoding("UTF-8");
request.setCharacterEncoding("UTF-8");
System.out.println("before checkAndGetLoginFromToken");
PrintWriter out = response.getWriter();
try {
Users accessUser = null;
PermissionFilter filter = new PermissionFilter();
String loginID = filter.checkAndGetLoginFromToken(request, response);
UserDAO userDao = new UserDAO();
if (loginID == null) {
if (filter.getCheckResult().equalsIgnoreCase(filter.INVALID_LOGIN_TOKEN_ID)) {
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Invalid_login_token_id, null, null);
return;
} else if (filter
.getCheckResult()
.equalsIgnoreCase(AllConstants.ErrorDictionary.login_token_expired)) {
return;
} else {
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Invalid_login_token_id, null, null);
return;
}
} else {
accessUser = userDao.getLogin(loginID);
}
SubjectDAO subjDao = new SubjectDAO();
Subject subject = (Subject) subjDao.findHealthSubject(loginID); // Retreive
if (subject == null) {
try {
subject = subjDao.createDefaultHealthSubject(loginID);
HealthDataStreamDAO hdsDao = new HealthDataStreamDAO();
hdsDao.createDefaultDatastreamsOnDefaultSubject(loginID, subject.getId());
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Internal_Fault, null, null);
}
}
String streamTitle = ServerUtil.getHealthStreamTitle(ServletPath(request));
streamTitle = "ecg" + nextValue();
System.out.println("Post Benchmark Data Points Title- " + streamTitle);
DatastreamDAO dstreamDao = new DatastreamDAO();
DBtoJsonUtil dbtoJUtil = new DBtoJsonUtil();
Datastream datastream = null;
try {
datastream =
dstreamDao.getHealthDatastreamByTitle(subject.getId(), streamTitle, true, false);
} catch (NonUniqueResultException ex) {
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Internal_Fault, null, streamTitle);
return;
}
if (datastream == null) {
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Unknown_StreamTitle, null, streamTitle);
return;
}
if (!datastream.getOwner().equalsIgnoreCase(loginID)) {
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Unauthorized_Access, null, streamTitle);
return;
}
JsonUtil jutil = new JsonUtil();
Gson gson = new Gson();
JsonDataImport jdataImport = null;
int jsonInputTotalByte = 0;
try {
String jsonInput = jutil.readJsonStrFromHttpRequest(request);
jsonInputTotalByte = jsonInput.length();
jdataImport = gson.fromJson(jsonInput, JsonDataImport.class);
} catch (JsonSyntaxException ex) {
ex.printStackTrace();
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Input_Json_Format_Error, null, null);
return;
} catch (IOException ex) {
ex.printStackTrace();
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Input_Json_Format_Error, null, null);
return;
}
List<DatastreamUnits> unitList = datastream.getDatastreamUnitsList();
HashMap<String, String> unitIDList = new HashMap<String, String>();
for (DatastreamUnits unit : unitList) {
if (unit.getShortUnitID() != null && unit.getShortUnitID().length() > 1) {
unitIDList.put(unit.getShortUnitID(), unit.getShortUnitID());
} else {
unitIDList.put(unit.getUnitID(), unit.getUnitID()); // retrieve
} // all
// existing
// units
}
if (jdataImport == null) {
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Input_Json_Format_Error, null, null);
return;
}
if (jdataImport.getBlock_id() != null) {
DatastreamBlocks block = dstreamDao.getDatastreamBlock(jdataImport.getBlock_id());
if (block == null) {
ReturnParser.outputErrorException(
response,
AllConstants.ErrorDictionary.Invalid_Datablock_ID,
jdataImport.getBlock_id(),
jdataImport.getBlock_id());
return;
} else {
if (!block.getStreamID().getStreamId().equalsIgnoreCase(datastream.getStreamId())) {
ReturnParser.outputErrorException(
response,
AllConstants.ErrorDictionary.Invalid_Datablock_ID_for_such_stream,
jdataImport.getBlock_id(),
jdataImport.getBlock_id());
return;
}
}
}
HBaseDatapointDAO importDao = null;
try {
importDao = new HBaseDatapointDAO();
} catch (Exception ex) {
ex.printStackTrace();
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Internal_Fault, null, null);
return;
}
HBaseDataImport importData = new HBaseDataImport();
if (jdataImport.getData_points_single_list() != null
&& jdataImport.getData_points_single_list().size() > 0) {
System.out.println("--------------dealing with single data point list--------");
if (unitIDList.size() == 0) {
ReturnParser.outputErrorException(
response,
AllConstants.ErrorDictionary.Unknown_StreamID,
null,
datastream.getStreamId());
return;
}
if (unitIDList.size() > 1) {
ReturnParser.outputErrorException(
response,
AllConstants.ErrorDictionary.MORE_THAN_ONE_DATASTREAM_UNIT,
null,
datastream.getStreamId());
return;
}
if (jdataImport.getData_points_single_list().size() < 1) {
ReturnParser.outputErrorException(
response,
AllConstants.ErrorDictionary.No_Input_Single_Datapoints,
null,
datastream.getStreamId());
return;
}
String singleUnitID = datastream.getDatastreamUnitsList().get(0).getShortUnitID();
if (singleUnitID == null || singleUnitID.length() < 3) {
singleUnitID = datastream.getDatastreamUnitsList().get(0).getUnitID();
}
importData.setSingle_Unit_ID(singleUnitID);
importData.setData_points_single_list(jdataImport.getData_points_single_list());
importData.setDatastream_id(datastream.getStreamId());
importData.setBlock_id(jdataImport.getBlock_id());
} else {
System.out.println("--------------dealing with normal data point list--------");
if (jdataImport.getData_points() == null || jdataImport.getData_points().size() < 1) {
ReturnParser.outputErrorException(
response,
AllConstants.ErrorDictionary.No_Input_Datapoints,
null,
datastream.getStreamId());
return;
}
importData.setDatastream(dbtoJUtil.convertDatastream(datastream, null));
importData.setData_points(jdataImport.getData_points());
importData.setDatastream_id(datastream.getStreamId());
importData.setBlock_id(jdataImport.getBlock_id());
}
JsonDataPointsPostResult jsonResult = new JsonDataPointsPostResult();
try {
int totalStoredByte = importDao.importDatapointsDatapoints(importData); // submit data
jsonResult.setTotal_stored_byte(totalStoredByte);
} catch (ErrorCodeException ex) {
ex.printStackTrace();
ReturnParser.outputErrorException(response, ex.getErrorCode(), null, null);
return;
} catch (NumberFormatException ex) {
ex.printStackTrace();
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.INPUT_DATE_FORMAT_ERROR, null, null);
return;
}
int totalInputSize = 0;
if (jdataImport.getData_points() != null) {
totalInputSize = jdataImport.getData_points().size();
} else if (jdataImport.getData_points_single_list() != null) {
totalInputSize = jdataImport.getData_points_single_list().size();
}
jsonResult.setTotal_points(totalInputSize);
jsonResult.setTotal_input_byte(jsonInputTotalByte);
JsonElement je = gson.toJsonTree(jsonResult);
JsonObject jo = new JsonObject();
jo.addProperty(AllConstants.ProgramConts.result, AllConstants.ProgramConts.succeed);
jo.add("data_import_stat", je);
JsonWriter jwriter = new JsonWriter(out);
gson.toJson(jo, jwriter);
} catch (Exception ex) {
ex.printStackTrace();
ReturnParser.outputErrorException(
response, AllConstants.ErrorDictionary.Internal_Fault, null, null);
return;
} finally {
out.close();
}
}
