Java tutorial
/** * This Source Code Form is subject to the terms of the Mozilla Public License, * v. 2.0. If a copy of the MPL was not distributed with this file, You can * obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under * the terms of the Healthcare Disclaimer located at http://openmrs.org/license. * * Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS * graphic logo is a trademark of OpenMRS Inc. */ package org.openmrs.web.controller.encounter; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; 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.EncounterType; import org.openmrs.Privilege; import org.openmrs.api.APIException; import org.openmrs.api.EncounterService; import org.openmrs.api.EncounterTypeLockedException; import org.openmrs.api.context.Context; import org.openmrs.propertyeditor.PrivilegeEditor; import org.openmrs.web.WebConstants; import org.springframework.beans.propertyeditors.CustomNumberEditor; import org.springframework.dao.DataIntegrityViolationException; import org.springframework.util.StringUtils; import org.springframework.validation.BindException; import org.springframework.validation.Errors; 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 EncounterTypeFormController 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); //NumberFormat nf = NumberFormat.getInstance(new Locale("en_US")); binder.registerCustomEditor(java.lang.Integer.class, new CustomNumberEditor(java.lang.Integer.class, true)); binder.registerCustomEditor(Privilege.class, new PrivilegeEditor()); } /** * 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()) { EncounterType encounterType = (EncounterType) obj; EncounterService es = Context.getEncounterService(); try { if (request.getParameter("save") != null) { es.saveEncounterType(encounterType); view = getSuccessView(); httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "EncounterType.saved"); } // if the user is retiring out the EncounterType else if (request.getParameter("retire") != null) { String retireReason = request.getParameter("retireReason"); if (encounterType.getEncounterTypeId() != null && !(StringUtils.hasText(retireReason))) { errors.reject("retireReason", "general.retiredReason.empty"); return showForm(request, response, errors); } es.retireEncounterType(encounterType, retireReason); httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "EncounterType.retiredSuccessfully"); view = getSuccessView(); } // if the user is unretiring the EncounterType else if (request.getParameter("unretire") != null) { es.unretireEncounterType(encounterType); httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "EncounterType.unretiredSuccessfully"); view = getSuccessView(); } // if the user is purging the encounterType else if (request.getParameter("purge") != null) { try { es.purgeEncounterType(encounterType); httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "EncounterType.purgedSuccessfully"); view = getSuccessView(); } catch (DataIntegrityViolationException e) { httpSession.setAttribute(WebConstants.OPENMRS_ERROR_ATTR, "error.object.inuse.cannot.purge"); view = "encounterType.form?encounterTypeId=" + encounterType.getEncounterTypeId(); } catch (APIException e) { httpSession.setAttribute(WebConstants.OPENMRS_ERROR_ATTR, "error.general: " + e.getLocalizedMessage()); view = "encounterType.form?encounterTypeId=" + encounterType.getEncounterTypeId(); } } } catch (EncounterTypeLockedException e) { log.error( "tried to save, retire, unretire or delete encounter type while encounter types were locked", e); httpSession.setAttribute(WebConstants.OPENMRS_ERROR_ATTR, "EncounterType.encounterTypes.locked"); if (encounterType.getEncounterTypeId() != null) { view = "encounterType.form?encounterTypeId=" + encounterType.getEncounterTypeId(); } } } 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 { EncounterType encounterType = null; if (Context.isAuthenticated()) { EncounterService os = Context.getEncounterService(); String encounterTypeId = request.getParameter("encounterTypeId"); if (encounterTypeId != null) { encounterType = os.getEncounterType(Integer.valueOf(encounterTypeId)); } } if (encounterType == null) { encounterType = new EncounterType(); } return encounterType; } /** * @see org.springframework.web.servlet.mvc.SimpleFormController#referenceData(javax.servlet.http.HttpServletRequest, * java.lang.Object, org.springframework.validation.Errors) */ protected Map<String, Object> referenceData(HttpServletRequest request, Object obj, Errors errors) throws Exception { Map<String, Object> map = new HashMap<String, Object>(); List<Privilege> privileges = new ArrayList<Privilege>(); if (Context.isAuthenticated()) { privileges = Context.getUserService().getAllPrivileges(); } map.put("privileges", privileges); return map; } }