Java tutorial
/* * Seldon -- open source prediction engine * ======================================= * * Copyright 2011-2015 Seldon Technologies Ltd and Rummble Ltd (http://www.seldon.io/) * * ******************************************************************************************** * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * ******************************************************************************************** */ package io.seldon.api.controller; import io.seldon.api.APIException; import io.seldon.api.Util; import io.seldon.api.logging.ApiLogger; import io.seldon.api.logging.MDCKeys; import io.seldon.api.resource.ActionBean; import io.seldon.api.resource.ConsumerBean; import io.seldon.api.resource.ErrorBean; import io.seldon.api.resource.ResourceBean; import io.seldon.api.resource.service.ActionService; import io.seldon.api.resource.service.business.ActionBusinessServiceImpl; import io.seldon.api.service.ApiLoggerServer; import io.seldon.api.service.ResourceServer; import java.util.Date; import javax.servlet.http.HttpServletRequest; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; 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.bind.annotation.ResponseBody; import com.fasterxml.jackson.databind.util.JSONPObject; /** * @author claudio */ @Controller public class ActionsController { @Autowired private ActionBusinessServiceImpl actionBusinessService; @Autowired private ActionService actionService; @Autowired private ResourceServer resourceServer; @RequestMapping(value = "/users/{userId}/actions", method = RequestMethod.GET) public @ResponseBody Object retrieveUserActions(@PathVariable String userId, HttpServletRequest req, @RequestParam(value = "jsonpCallback", required = false) String callback) { Date start = new Date(); ResourceBean con = resourceServer.validateResourceRequest(req); ResourceBean res = con; //request authorized if (con instanceof ConsumerBean) { try { MDCKeys.addKeysUser((ConsumerBean) con, userId); res = actionService.getUserActions((ConsumerBean) con, userId, Util.getLimit(req), Util.getFull(req)); } catch (APIException e) { ApiLoggerServer.log(this, e); res = new ErrorBean(e); } catch (Exception e) { ApiLoggerServer.log(this, e); APIException apiEx = new APIException(APIException.GENERIC_ERROR); res = new ErrorBean(apiEx); } } ApiLogger.log("users.user_id.actions", start, new Date(), con, res, req); if (callback != null) { return asCallback(callback, res); } else { return res; } } @RequestMapping(value = "/items/{itemId}/actions", method = RequestMethod.GET) public @ResponseBody ResourceBean retrieveItemActions(@PathVariable String itemId, HttpServletRequest req) { Date start = new Date(); ResourceBean con = resourceServer.validateResourceRequest(req); ResourceBean res = con; //request authorized if (con instanceof ConsumerBean) { try { MDCKeys.addKeysItem((ConsumerBean) con, itemId); res = actionService.getItemActions((ConsumerBean) con, itemId, Util.getLimit(req), Util.getFull(req)); } catch (APIException e) { ApiLoggerServer.log(this, e); res = new ErrorBean(e); } catch (Exception e) { ApiLoggerServer.log(this, e); APIException apiEx = new APIException(APIException.GENERIC_ERROR); res = new ErrorBean(apiEx); } } ApiLogger.log("items.item_id.actions", start, new Date(), con, res, req); return res; } @RequestMapping(value = "/users/{userId}/actions/{itemId}", method = RequestMethod.GET) public @ResponseBody ResourceBean retrieveUserItemActions(@PathVariable String userId, @PathVariable String itemId, HttpServletRequest req) { Date start = new Date(); ResourceBean con = resourceServer.validateResourceRequest(req); ResourceBean res = con; if (con instanceof ConsumerBean) { try { MDCKeys.addKeys((ConsumerBean) con, userId, itemId); res = actionService.getActions((ConsumerBean) con, userId, itemId, Util.getLimit(req), Util.getFull(req)); } catch (APIException e) { ApiLoggerServer.log(this, e); res = new ErrorBean(e); } catch (Exception e) { ApiLoggerServer.log(this, e); APIException apiEx = new APIException(APIException.GENERIC_ERROR); res = new ErrorBean(apiEx); } } ApiLogger.log("users.user_id.actions.item_id", start, new Date(), con, res, req); return res; } @RequestMapping(value = "/items/{itemId}/actions/{userId}", method = RequestMethod.GET) public @ResponseBody ResourceBean retrieveItemUserActions(@PathVariable String userId, @PathVariable String itemId, HttpServletRequest req) { return retrieveUserItemActions(userId, itemId, req); } @RequestMapping(value = "/actions/{actionId}", method = RequestMethod.GET) public @ResponseBody ResourceBean retrieveAction(@PathVariable String actionId, HttpServletRequest req) { Date start = new Date(); ResourceBean con = resourceServer.validateResourceRequest(req); ResourceBean res = con; if (con instanceof ConsumerBean) { try { long aid = Long.parseLong(actionId); res = ActionService.getAction((ConsumerBean) con, aid, Util.getFull(req)); } catch (NumberFormatException e) { ApiLoggerServer.log(this, e); APIException apiEx = new APIException(APIException.NUMBER_FORMAT_NOT_VALID); res = new ErrorBean(apiEx); } catch (APIException e) { ApiLoggerServer.log(this, e); res = new ErrorBean(e); } catch (Exception e) { ApiLoggerServer.log(this, e); APIException apiEx = new APIException(APIException.GENERIC_ERROR); res = new ErrorBean(apiEx); } } ApiLogger.log("actions.action_id", start, new Date(), con, res, req); return res; } @RequestMapping(value = "/actions", method = RequestMethod.GET) public @ResponseBody ResourceBean retrieveActions(HttpServletRequest req) { Date start = new Date(); ResourceBean con = resourceServer.validateResourceRequest(req); ResourceBean res = con; if (con instanceof ConsumerBean) { try { res = ActionService.getRecentActions((ConsumerBean) con, Util.getLimit(req), Util.getFull(req)); } catch (APIException e) { ApiLoggerServer.log(this, e); res = new ErrorBean(e); } catch (Exception e) { ApiLoggerServer.log(this, e); APIException apiEx = new APIException(APIException.GENERIC_ERROR); res = new ErrorBean(apiEx); } } ApiLogger.log("actions", start, new Date(), con, res, req); return res; } @RequestMapping(value = "/actions", method = RequestMethod.POST) public @ResponseBody ResourceBean addActions(@RequestBody ActionBean action, HttpServletRequest req) { Date start = new Date(); ResourceBean con = resourceServer.validateResourceRequest(req); ResourceBean responseBean; if (con instanceof ConsumerBean) { MDCKeys.addKeys((ConsumerBean) con, action.getUser(), action.getItem()); responseBean = actionBusinessService.addAction((ConsumerBean) con, action, false, "", ""); } else { responseBean = con; } ApiLogger.log("actions", start, new Date(), con, responseBean, req); return responseBean; } @RequestMapping(value = "/actions/types", method = RequestMethod.GET) public @ResponseBody ResourceBean retrieveActionsTypes(HttpServletRequest req) { Date start = new Date(); ResourceBean con = resourceServer.validateResourceRequest(req); ResourceBean res = con; if (con instanceof ConsumerBean) { try { res = ActionService.getActionTypes((ConsumerBean) con); } catch (APIException e) { ApiLoggerServer.log(this, e); res = new ErrorBean(e); } catch (Exception e) { ApiLoggerServer.log(this, e); APIException apiEx = new APIException(APIException.GENERIC_ERROR); res = new ErrorBean(apiEx); } } ApiLogger.log("actions.types", start, new Date(), con, res, req); return res; } private JSONPObject asCallback(String callbackName, Object valueObject) { return new JSONPObject(callbackName, valueObject); } }