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.form; 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.Form; import org.openmrs.api.APIException; import org.openmrs.api.FormService; import org.openmrs.api.context.Context; import org.openmrs.web.WebConstants; import org.springframework.context.support.MessageSourceAccessor; import org.springframework.validation.BindException; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.SimpleFormController; import org.springframework.web.servlet.view.RedirectView; public class FormListController extends SimpleFormController { /** Logger for this class and subclasses */ protected final Log log = LogFactory.getLog(getClass()); /** * 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[] formList = request.getParameterValues("formId"); FormService fs = Context.getFormService(); //FormService rs = new TestFormService(); StringBuilder success = new StringBuilder(""); StringBuilder error = new StringBuilder(""); MessageSourceAccessor msa = getMessageSourceAccessor(); String deleted = msa.getMessage("general.deleted"); String notDeleted = msa.getMessage("general.cannot.delete"); String textForm = msa.getMessage("Form.form"); String noneDeleted = msa.getMessage("Form.nonedeleted"); if (formList != null) { for (String p : formList) { //TODO convenience method deleteForm(Integer) ?? try { fs.purgeForm(fs.getForm(Integer.valueOf(p))); if (!"".equals(success.toString())) { success.append("<br/>"); } success.append(textForm).append(" ").append(p).append(" ").append(deleted); } catch (APIException e) { log.warn("Error deleting form", e); if (!"".equals(error.toString())) { error.append("<br/>"); } error.append(textForm).append(" ").append(p).append(" ").append(notDeleted); } } } else { success.append(noneDeleted); } view = getSuccessView(); if (!"".equals(success.toString())) { httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, success.toString()); } if (!"".equals(error.toString())) { httpSession.setAttribute(WebConstants.OPENMRS_ERROR_ATTR, error.toString()); } } 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<Form> formList = new Vector<Form>(); //only fill the Object is the user has authenticated properly if (Context.isAuthenticated()) { FormService fs = Context.getFormService(); //FormService rs = new TestFormService(); formList = fs.getAllForms(); } return formList; } }