Java tutorial
///////////////////////////////////////////////////////////// //SessionRestV2Controller.java //rest-v2-app // Created by Gooru on 2014 // Copyright (c) 2014 Gooru. All rights reserved. // http://www.goorulearning.org/ // Permission is hereby granted, free of charge, to any person obtaining // a copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to // permit persons to whom the Software is furnished to do so, subject to // the following conditions: // The above copyright notice and this permission notice shall be // included in all copies or substantial portions of the Software. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ///////////////////////////////////////////////////////////// package org.ednovo.gooru.controllers.v2.api; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.lang.ArrayUtils; import org.ednovo.gooru.controllers.BaseController; import org.ednovo.gooru.core.api.model.ActionResponseDTO; import org.ednovo.gooru.core.api.model.Session; import org.ednovo.gooru.core.api.model.SessionContextSupport; import org.ednovo.gooru.core.api.model.SessionItem; import org.ednovo.gooru.core.api.model.SessionItemAttemptTry; import org.ednovo.gooru.core.api.model.SessionItemFeedback; import org.ednovo.gooru.core.api.model.User; import org.ednovo.gooru.core.constant.ConstantProperties; import org.ednovo.gooru.core.constant.Constants; import org.ednovo.gooru.core.constant.GooruOperationConstants; import org.ednovo.gooru.core.constant.ParameterProperties; import org.ednovo.gooru.core.security.AuthorizeOperations; import org.ednovo.gooru.domain.service.session.SessionService; import org.ednovo.goorucore.application.serializer.JsonDeserializer; import org.json.JSONObject; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.transaction.annotation.Propagation; import org.springframework.transaction.annotation.Transactional; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.servlet.ModelAndView; @Controller @RequestMapping(value = { "/v2/session" }) public class SessionRestV2Controller extends BaseController implements ParameterProperties, ConstantProperties { @Autowired private SessionService sessionService; @AuthorizeOperations(operations = { GooruOperationConstants.OPERATION_V2_SESSION_ADD }) @Transactional(readOnly = false, propagation = Propagation.REQUIRED, rollbackFor = Exception.class) @RequestMapping(value = "", method = RequestMethod.POST) public ModelAndView createSession(@RequestBody String data, HttpServletRequest request, HttpServletResponse response) throws Exception { request.setAttribute(PREDICATE, TAG_ADD_RESOURCE); User user = (User) request.getAttribute(Constants.USER); final JSONObject json = requestData(data); final ActionResponseDTO<Session> session = getSessionService() .createSession(this.buildSessionFromInputParameters(getValue(SESSION, json)), user); if (session.getErrors().getErrorCount() > 0) { response.setStatus(HttpServletResponse.SC_BAD_REQUEST); } else { response.setStatus(HttpServletResponse.SC_CREATED); } SessionContextSupport.putLogParameter(EVENT_NAME, "create-session"); SessionContextSupport.putLogParameter(USER_ID, user.getUserId()); SessionContextSupport.putLogParameter(GOORU_UID, user.getPartyUid()); String[] includeFields = getValue(FIELDS, json) != null ? getFields(getValue(FIELDS, json)) : null; String includes[] = (String[]) ArrayUtils.addAll(includeFields == null ? SESSION_INCLUDES : includeFields, ERROR_INCLUDE); return toModelAndViewWithIoFilter(session.getModelData(), RESPONSE_FORMAT_JSON, EXCLUDE_ALL, includes); } @AuthorizeOperations(operations = { GooruOperationConstants.OPERATION_V2_SESSION_ADD }) @Transactional(readOnly = false, propagation = Propagation.REQUIRED, rollbackFor = Exception.class) @RequestMapping(value = "/{id}/item/feedback", method = RequestMethod.POST) public ModelAndView createSessionItemFeedback(@PathVariable(ID) String sessionId, @RequestBody String data, final HttpServletRequest request, HttpServletResponse response) throws Exception { User user = (User) request.getAttribute(Constants.USER); SessionItemFeedback sessionItemFeedback = getSessionService().createSessionItemFeedback(sessionId, this.buildSessionItemFeedbackFromInputParameters(data), user); return toModelAndViewWithIoFilter(sessionItemFeedback, RESPONSE_FORMAT_JSON, EXCLUDE_ALL, SESSION_ITEM_FEEDBACK_INCLUDES); } @AuthorizeOperations(operations = { GooruOperationConstants.OPERATION_V2_SESSION_UPDATE }) @Transactional(readOnly = false, propagation = Propagation.REQUIRED, rollbackFor = Exception.class) @RequestMapping(method = RequestMethod.PUT, value = "/{id}") public ModelAndView updateSession(@RequestBody String data, @PathVariable(ID) String sessionId, HttpServletRequest request, HttpServletResponse response) throws Exception { request.setAttribute(PREDICATE, TAG_ADD_RESOURCE); User user = (User) request.getAttribute(Constants.USER); final JSONObject json = requestData(data); ActionResponseDTO<Session> session = getSessionService().updateSession(sessionId, this.buildSessionFromInputParameters(getValue(SESSION, json))); if (session.getErrors().getErrorCount() > 0) { response.setStatus(HttpServletResponse.SC_BAD_REQUEST); } SessionContextSupport.putLogParameter(EVENT_NAME, "update-session"); SessionContextSupport.putLogParameter(USER_ID, user.getUserId()); SessionContextSupport.putLogParameter(GOORU_UID, user.getPartyUid()); String[] includeFields = getValue(FIELDS, json) != null ? getFields(getValue(FIELDS, json)) : null; String includes[] = (String[]) ArrayUtils.addAll(includeFields == null ? SESSION_INCLUDES : includeFields, ERROR_INCLUDE); return toModelAndViewWithIoFilter(session.getModelData(), RESPONSE_FORMAT_JSON, EXCLUDE_ALL, includes); } @AuthorizeOperations(operations = { GooruOperationConstants.OPERATION_V2_SESSION_READ }) @Transactional(readOnly = false, propagation = Propagation.REQUIRED, rollbackFor = Exception.class) @RequestMapping(method = RequestMethod.GET, value = "/{id}") public ModelAndView getSession(@PathVariable(ID) final String sessionId, @RequestParam(value = DATA_OBJECT, required = false) String data, final HttpServletRequest request, final HttpServletResponse response) throws Exception { final Session session = this.getSessionService().getSession(sessionId); String[] includeFields = null; if (data != null && !data.isEmpty()) { JSONObject json = requestData(data); includeFields = getValue(FIELDS, json) != null ? getFields(getValue(FIELDS, json)) : null; } String includes[] = (String[]) ArrayUtils.addAll(SESSION_INCLUDES, SESSION_ITEM_INCLUDES); includes = (String[]) ArrayUtils.addAll(includes, SESSION_ITEM_ATTEMPT_INCLUDES); includes = (String[]) ArrayUtils.addAll(includeFields == null ? includes : includeFields, ERROR_INCLUDE); return toModelAndViewWithIoFilter(session, RESPONSE_FORMAT_JSON, EXCLUDE_ALL, includes); } @AuthorizeOperations(operations = { GooruOperationConstants.OPERATION_V2_SESSION_ADD }) @Transactional(readOnly = false, propagation = Propagation.REQUIRED, rollbackFor = Exception.class) @RequestMapping(method = RequestMethod.POST, value = "/{id}/item") public ModelAndView createSessionItem(@RequestBody String data, @PathVariable(ID) String sessionId, HttpServletRequest request, HttpServletResponse response) throws Exception { request.setAttribute(PREDICATE, TAG_ADD_RESOURCE); User user = (User) request.getAttribute(Constants.USER); JSONObject json = requestData(data); final ActionResponseDTO<SessionItem> sessionItem = getSessionService().createSessionItem( this.buildSessionItemFromInputParameters(getValue(SESSION_ITEM, json)), sessionId); if (sessionItem.getErrors().getErrorCount() > 0) { response.setStatus(HttpServletResponse.SC_BAD_REQUEST); } else { response.setStatus(HttpServletResponse.SC_CREATED); } SessionContextSupport.putLogParameter(EVENT_NAME, "create-session-item"); SessionContextSupport.putLogParameter(USER_ID, user.getUserId()); SessionContextSupport.putLogParameter(GOORU_UID, user.getPartyUid()); String[] includeFields = getValue(FIELDS, json) != null ? getFields(getValue(FIELDS, json)) : null; String includes[] = (String[]) ArrayUtils .addAll(includeFields == null ? SESSION_ITEM_INCLUDES : includeFields, ERROR_INCLUDE); return toModelAndViewWithIoFilter(sessionItem.getModelData(), RESPONSE_FORMAT_JSON, EXCLUDE_ALL, includes); } @AuthorizeOperations(operations = { GooruOperationConstants.OPERATION_V2_SESSION_ADD }) @Transactional(readOnly = false, propagation = Propagation.REQUIRED, rollbackFor = Exception.class) @RequestMapping(method = RequestMethod.POST, value = "/{sid}/item/{id}/attempt") public ModelAndView createSessionItemAttemptTry(@RequestBody String data, @PathVariable(ID) String sessionItemId, @PathVariable(SESSION_ID) String sessionId, HttpServletRequest request, HttpServletResponse response) throws Exception { request.setAttribute(PREDICATE, TAG_ADD_RESOURCE); User user = (User) request.getAttribute(Constants.USER); JSONObject json = requestData(data); SessionItemAttemptTry sessionItemAttemptTry = getSessionService().createSessionItemAttemptTry( this.buildSessionItemAttemptFromInputParameters(getValue(SESSION_ITEM_ATTEMPT_TRY, json)), sessionItemId); if (sessionItemAttemptTry == null) { response.setStatus(HttpServletResponse.SC_BAD_REQUEST); } SessionContextSupport.putLogParameter(EVENT_NAME, "update-session-item"); SessionContextSupport.putLogParameter(USER_ID, user.getUserId()); SessionContextSupport.putLogParameter(GOORU_UID, user.getPartyUid()); return toModelAndViewWithIoFilter(sessionItemAttemptTry, RESPONSE_FORMAT_JSON, EXCLUDE_ALL, SESSION_ITEM_ATTEMPT_INCLUDES); } private Session buildSessionFromInputParameters(String data) { return JsonDeserializer.deserialize(data, Session.class); } private SessionItem buildSessionItemFromInputParameters(String data) { return JsonDeserializer.deserialize(data, SessionItem.class); } private SessionItemFeedback buildSessionItemFeedbackFromInputParameters(String data) { return JsonDeserializer.deserialize(data, SessionItemFeedback.class); } private SessionItemAttemptTry buildSessionItemAttemptFromInputParameters(String data) { return JsonDeserializer.deserialize(data, SessionItemAttemptTry.class); } public void setSessionService(SessionService sessionService) { this.sessionService = sessionService; } public SessionService getSessionService() { return sessionService; } }