Java tutorial
/******************************************************************************* * Copyright 2012 Persistent Systems Ltd. * * 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 com.persistent.cloudninja.controller; import java.util.Calendar; import java.util.List; import java.util.TimeZone; import javax.servlet.http.HttpServletRequest; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.CookieValue; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.servlet.ModelAndView; import com.persistent.cloudninja.domainobject.Metering; import com.persistent.cloudninja.exception.SystemException; import com.persistent.cloudninja.service.MeteringService; import com.persistent.cloudninja.transferObjects.MeteringListDTO; import com.persistent.cloudninja.web.security.CloudNinjaConstants; /** * TenantUsageController manages to list tenant Usage from database. */ @Controller public class TenantUsageController { @Autowired private MeteringService meteringService; //******************************************* Tenant Usage Info ****************************************************/ /** * List the tenant Metering information. * @param cookie containing tenant ID * @throws SystemException * @return ModelAndView mapped to Tenant Metering List */ @RequestMapping("{tenantId}/showTenantMeteringPage.htm") public ModelAndView showTenantMeteringPage(HttpServletRequest request, @CookieValue(value = "CLOUDNINJAAUTH", required = false) String cookie, Model model) throws SystemException { if (cookie == null) { cookie = request.getAttribute("cookieNameAttr").toString(); } String tenantId = AuthFilterUtils.getFieldValueFromCookieString(CloudNinjaConstants.COOKIE_TENANTID_PREFIX, cookie); Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("UTC")); int month = calendar.get(Calendar.MONTH) + 1; int year = calendar.get(Calendar.YEAR); List<Metering> list = meteringService.getMeteringService(tenantId, month, year); MeteringListDTO meteringDTO = new MeteringListDTO(); meteringDTO.setMeteringList(list); return new ModelAndView("tenantMeteringPage", "meteringDTO", meteringDTO); } }