Java tutorial
/** * The contents of this file are subject to the Mozilla Public License * Version 1.1 (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.mozilla.org/MPL/ * * 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. * * The Original Code is OpenELIS code. * * Copyright (C) The Minnesota Department of Health. All Rights Reserved. */ package us.mn.state.health.lims.panelitem.action; import java.util.ArrayList; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.beanutils.PropertyUtils; import org.apache.struts.Globals; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import org.apache.struts.action.ActionMessages; import us.mn.state.health.lims.common.action.BaseAction; import us.mn.state.health.lims.common.action.BaseActionForm; import us.mn.state.health.lims.common.exception.LIMSDuplicateRecordException; import us.mn.state.health.lims.common.exception.LIMSRuntimeException; import us.mn.state.health.lims.common.util.StringUtil; import us.mn.state.health.lims.common.util.resources.ResourceLocator; import us.mn.state.health.lims.common.util.validator.ActionError; import us.mn.state.health.lims.common.log.LogEvent; import us.mn.state.health.lims.hibernate.HibernateUtil; import us.mn.state.health.lims.login.dao.UserTestSectionDAO; import us.mn.state.health.lims.login.daoimpl.UserTestSectionDAOImpl; import us.mn.state.health.lims.login.valueholder.UserSessionData; import us.mn.state.health.lims.method.dao.MethodDAO; import us.mn.state.health.lims.method.daoimpl.MethodDAOImpl; import us.mn.state.health.lims.method.valueholder.Method; import us.mn.state.health.lims.panel.dao.PanelDAO; import us.mn.state.health.lims.panel.daoimpl.PanelDAOImpl; import us.mn.state.health.lims.panel.valueholder.Panel; import us.mn.state.health.lims.panelitem.dao.PanelItemDAO; import us.mn.state.health.lims.panelitem.daoimpl.PanelItemDAOImpl; import us.mn.state.health.lims.panelitem.valueholder.PanelItem; import us.mn.state.health.lims.test.dao.TestDAO; import us.mn.state.health.lims.test.daoimpl.TestDAOImpl; import us.mn.state.health.lims.test.valueholder.Test; /** * @author diane benz * * To change this generated comment edit the template variable "typecomment": * Window>Preferences>Java>Templates. To enable and disable the creation of type * comments go to Window>Preferences>Java>Code Generation. */ public class PanelItemUpdateAction extends BaseAction { private boolean isNew = false; protected ActionForward performAction(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { // The first job is to determine if we are coming to this action with an // ID parameter in the request. If there is no parameter, we are // creating a new PanelItem. // If there is a parameter present, we should bring up an existing // PanelItem to edit. String forward = FWD_SUCCESS; request.setAttribute(ALLOW_EDITS_KEY, "true"); request.setAttribute(PREVIOUS_DISABLED, "false"); request.setAttribute(NEXT_DISABLED, "false"); String id = request.getParameter(ID); if (StringUtil.isNullorNill(id) || "0".equals(id)) { isNew = true; } else { isNew = false; } BaseActionForm dynaForm = (BaseActionForm) form; // server-side validation (validation.xml) ActionMessages errors = dynaForm.validate(mapping, request); try { errors = validateAll(request, errors, dynaForm); } catch (Exception e) { //bugzilla 2154 LogEvent.logError("PanelItemUpdateAction", "performAction()", e.toString()); ActionError error = new ActionError("errors.ValidationException", null, null); errors.add(ActionMessages.GLOBAL_MESSAGE, error); } if (errors != null && errors.size() > 0) { // System.out.println("Server side validation errors " // + errors.toString()); saveErrors(request, errors); // since we forward to jsp - not Action we don't need to repopulate // the lists here return mapping.findForward(FWD_FAIL); } String start = (String) request.getParameter("startingRecNo"); String direction = (String) request.getParameter("direction"); // System.out.println("This is ID from request " + id); PanelItem panelItem = new PanelItem(); //get sysUserId from login module UserSessionData usd = (UserSessionData) request.getSession().getAttribute(USER_SESSION_DATA); String sysUserId = String.valueOf(usd.getSystemUserId()); panelItem.setSysUserId(sysUserId); org.hibernate.Transaction tx = HibernateUtil.getSession().beginTransaction(); // String selectedPanelItemId = (String) // dynaForm.get("selectedPanelItemId"); String parentPanelName = (String) dynaForm.get("parentPanelName"); List methods = new ArrayList(); List tests = new ArrayList(); if (dynaForm.get("methods") != null) { methods = (List) dynaForm.get("methods"); } else { MethodDAO methodDAO = new MethodDAOImpl(); methods = methodDAO.getAllMethods(); } if (dynaForm.get("tests") != null) { tests = (List) dynaForm.get("tests"); } else { //Get tests by user system id //bugzilla 2160 UserTestSectionDAO userTestSectionDAO = new UserTestSectionDAOImpl(); //bugzilla 2291 tests = userTestSectionDAO.getAllUserTests(request, true); } // System.out.println("This is selectedPanelItemId " // + dynaForm.get("selectedPanelItemId")); List pans = new ArrayList(); if (dynaForm.get("parentPanels") != null) { pans = (List) dynaForm.get("parentPanels"); } else { PanelDAO panDAO = new PanelDAOImpl(); pans = panDAO.getAllActivePanels(); } Panel parentPanel = null; //System.out.println("Try to find parentPanelName " + parentPanelName // + " in this list "); // get the right parentPanel to update panelItem with for (int i = 0; i < pans.size(); i++) { Panel o = (Panel) pans.get(i); // if (o.getId().equals(selectedPanelItemId)) { //System.out.println("This " + o.getPanelName()); if (o.getPanelName().equals(parentPanelName)) { parentPanel = o; break; } } // populate valueholder from form PropertyUtils.copyProperties(panelItem, dynaForm); //System.out.println("Setting parent panel teo " + parentPanel); if (parentPanel != null) { //System.out.println("This is id " + parentPanel.getId()); } panelItem.setPanel(parentPanel); try { PanelItemDAO panelItemDAO = new PanelItemDAOImpl(); if (!isNew) { // UPDATE panelItemDAO.updateData(panelItem); } else { // INSERT panelItemDAO.insertData(panelItem); } tx.commit(); } catch (LIMSRuntimeException lre) { //bugzilla 2154 LogEvent.logError("PanelItemUpdateAction", "performAction()", lre.toString()); tx.rollback(); errors = new ActionMessages(); java.util.Locale locale = (java.util.Locale) request.getSession() .getAttribute("org.apache.struts.action.LOCALE"); ActionError error = null; if (lre.getException() instanceof org.hibernate.StaleObjectStateException) { // how can I get popup instead of struts error at the top of // page? // ActionMessages errors = dynaForm.validate(mapping, request); error = new ActionError("errors.OptimisticLockException", null, null); } else { // bugzilla 1482 if (lre.getException() instanceof LIMSDuplicateRecordException) { String messageKey = "panelitem.panelitem"; String msg = ResourceLocator.getInstance().getMessageResources().getMessage(locale, messageKey); error = new ActionError("errors.DuplicateRecord", msg, null); } else { error = new ActionError("errors.UpdateException", null, null); } } errors.add(ActionMessages.GLOBAL_MESSAGE, error); saveErrors(request, errors); request.setAttribute(Globals.ERROR_KEY, errors); //bugzilla 1485: allow change and try updating again (enable save button) //request.setAttribute(IActionConstants.ALLOW_EDITS_KEY, "false"); // disable previous and next request.setAttribute(PREVIOUS_DISABLED, "true"); request.setAttribute(NEXT_DISABLED, "true"); forward = FWD_FAIL; } finally { HibernateUtil.closeSession(); } if (forward.equals(FWD_FAIL)) return mapping.findForward(forward); // initialize the form dynaForm.initialize(mapping); // repopulate the form from valueholder PropertyUtils.copyProperties(dynaForm, panelItem); // need to repopulate in case of FWD_FAIL? PropertyUtils.setProperty(form, "parentPanels", pans); if ("true".equalsIgnoreCase(request.getParameter("close"))) { forward = FWD_CLOSE; } if (panelItem.getId() != null && !panelItem.getId().equals("0")) { request.setAttribute(ID, panelItem.getId()); } //bugzilla 1400 if (isNew) forward = FWD_SUCCESS_INSERT; //bugzilla 1467 added direction for redirect to NextPreviousAction return getForward(mapping.findForward(forward), id, start, direction); } protected String getPageTitleKey() { if (isNew) { return "panelitem.add.title"; } else { return "panelitem.edit.title"; } } protected String getPageSubtitleKey() { if (isNew) { return "panelitem.add.title"; } else { return "panelitem.edit.title"; } } protected ActionMessages validateAll(HttpServletRequest request, ActionMessages errors, BaseActionForm dynaForm) throws Exception { // parent panelItem validation against database String parentPanelSelected = (String) dynaForm.get("parentPanelName"); if (!StringUtil.isNullorNill(parentPanelSelected)) { Panel panel = new Panel(); panel.setPanelName(parentPanelSelected); PanelDAO panelDAO = new PanelDAOImpl(); panel = panelDAO.getPanelByName(panel); String messageKey = "panelitem.panelParent"; if (panel == null) { // the panelItem is not in database - not valid parentPanelItem ActionError error = new ActionError("errors.invalid", getMessageForKey(messageKey), null); errors.add(ActionMessages.GLOBAL_MESSAGE, error); } } // method name validation against database String methodNameSelected = (String) dynaForm.get("methodName"); if (!StringUtil.isNullorNill(methodNameSelected)) { Method method = new Method(); //System.out.println("This is method name selected " // + methodNameSelected); method.setMethodName(methodNameSelected); MethodDAO methodDAO = new MethodDAOImpl(); method = methodDAO.getMethodByName(method); String messageKey = "panelitem.methodName"; if (method == null) { // the panelItem is not in database - not valid parentPanelItem ActionError error = new ActionError("errors.invalid", getMessageForKey(messageKey), null); errors.add(ActionMessages.GLOBAL_MESSAGE, error); } } // test name validation against database String testNameSelected = (String) dynaForm.get("testName"); if (!StringUtil.isNullorNill(testNameSelected)) { Test test = new Test(); test.setTestName(testNameSelected); TestDAO testDAO = new TestDAOImpl(); test = testDAO.getTestByName(test); String messageKey = "panelitem.testName"; if (test == null) { // the panelItem is not in database - not valid parentPanelItem ActionError error = new ActionError("errors.invalid", getMessageForKey(messageKey), null); errors.add(ActionMessages.GLOBAL_MESSAGE, error); } } // Bugzilla 2207 check for duplicate sort order item String panelName = (String) dynaForm.get("parentPanelName"); String sortOrder = (String) dynaForm.get("sortOrder"); String id = (String) dynaForm.get("id"); if (!StringUtil.isNullorNill(panelName) && !StringUtil.isNullorNill(sortOrder)) { PanelItem panelItem = new PanelItem(); panelItem.setPanelName(panelName); panelItem.setSortOrder(sortOrder); if (!StringUtil.isNullorNill(id)) { panelItem.setId(id); } PanelItemDAOImpl panelItemDAO = new PanelItemDAOImpl(); String messageKey = "panelitem.sortOrder"; if (panelItemDAO.getDuplicateSortOrderForPanel(panelItem)) { // There is already one with the same panel name and sort order id in the database ActionError error = new ActionError("errors.DuplicateItem", getMessageForKey(messageKey), null); errors.add(ActionMessages.GLOBAL_MESSAGE, error); } } return errors; } }