Java tutorial
/** * The contents of this file are subject to the OpenMRS Public License * Version 1.0 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://license.openmrs.org * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the * License for the specific language governing rights and limitations * under the License. * * Copyright (C) OpenMRS, LLC. All Rights Reserved. */ package org.openmrs.web.controller.report; import java.util.List; import java.util.Vector; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.openmrs.api.APIException; import org.openmrs.api.AdministrationService; import org.openmrs.api.context.Context; import org.openmrs.reporting.AbstractReportObject; import org.openmrs.reporting.ReportObjectList; import org.openmrs.reporting.ReportObjectService; import org.openmrs.web.WebConstants; import org.springframework.beans.propertyeditors.CustomNumberEditor; import org.springframework.context.support.MessageSourceAccessor; import org.springframework.validation.BindException; import org.springframework.web.bind.ServletRequestDataBinder; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.SimpleFormController; import org.springframework.web.servlet.view.RedirectView; public class ReportObjectListController extends SimpleFormController { /** Logger for this class and subclasses */ protected final Log log = LogFactory.getLog(getClass()); /** * Allows for Integers to be used as values in input tags. Normally, only strings and lists are * expected * * @see org.springframework.web.servlet.mvc.BaseCommandController#initBinder(javax.servlet.http.HttpServletRequest, * org.springframework.web.bind.ServletRequestDataBinder) */ protected void initBinder(HttpServletRequest request, ServletRequestDataBinder binder) throws Exception { super.initBinder(request, binder); binder.registerCustomEditor(java.lang.Integer.class, new CustomNumberEditor(java.lang.Integer.class, true)); } /** * The onSubmit function receives the form/command object that was modified by the input form * and saves it to the db * * @see org.springframework.web.servlet.mvc.SimpleFormController#onSubmit(javax.servlet.http.HttpServletRequest, * javax.servlet.http.HttpServletResponse, java.lang.Object, * org.springframework.validation.BindException) */ protected ModelAndView onSubmit(HttpServletRequest request, HttpServletResponse response, Object obj, BindException errors) throws Exception { HttpSession httpSession = request.getSession(); String view = getFormView(); if (Context.isAuthenticated()) { String[] reportObjectList = request.getParameterValues("reportObjectId"); AdministrationService as = Context.getAdministrationService(); String success = ""; String error = ""; int numDeleted = 0; MessageSourceAccessor msa = getMessageSourceAccessor(); String deleted = msa.getMessage("general.deleted"); String notDeleted = msa.getMessage("general.cannot.delete"); String textReport = msa.getMessage("reportingcompatibility.ReportObject.reportObject"); String noneDeleted = msa.getMessage("reportingcompatibility.ReportObject.nonedeleted"); if (reportObjectList != null) { for (String p : reportObjectList) { try { as.deleteReportObject(Integer.valueOf(p)); if (!success.equals("")) success += "<br/>"; success += textReport + " " + p + " " + deleted; numDeleted++; } catch (APIException e) { log.warn("Error deleting report object", e); if (!error.equals("")) error += "<br/>"; error += textReport + " " + p + " " + notDeleted; } } if (numDeleted > 3) success = numDeleted + " " + deleted; } else { success += noneDeleted; } view = getSuccessView(); if (!success.equals("")) httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, success); if (!error.equals("")) httpSession.setAttribute(WebConstants.OPENMRS_ERROR_ATTR, error); } return new ModelAndView(new RedirectView(view)); } /** * This is called prior to displaying a form for the first time. It tells Spring the * form/command object to load into the request * * @see org.springframework.web.servlet.mvc.AbstractFormController#formBackingObject(javax.servlet.http.HttpServletRequest) */ protected Object formBackingObject(HttpServletRequest request) throws ServletException { //default empty Object List<AbstractReportObject> reportObjects = new Vector<AbstractReportObject>(); //only fill the Object is the user has authenticated properly if (Context.isAuthenticated()) { ReportObjectService rs = (ReportObjectService) Context.getService(ReportObjectService.class); //ReportObjectService rs = new TestReportService(); reportObjects = rs.getAllReportObjects(); } ReportObjectList reportObjectList = new ReportObjectList(reportObjects); return reportObjectList; } }