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.test.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.valueholder.UserSessionData; import us.mn.state.health.lims.organization.dao.OrganizationDAO; import us.mn.state.health.lims.organization.daoimpl.OrganizationDAOImpl; import us.mn.state.health.lims.organization.valueholder.Organization; import us.mn.state.health.lims.test.dao.TestSectionDAO; import us.mn.state.health.lims.test.daoimpl.TestSectionDAOImpl; import us.mn.state.health.lims.test.valueholder.TestSection; /** * @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 TestSectionUpdateAction 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 TestSection. // If there is a parameter present, we should bring up an existing // TestSection 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("TestSectionUpdateAction", "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); TestSection testSection = new TestSection(); //get sysUserId from login module UserSessionData usd = (UserSessionData) request.getSession().getAttribute(USER_SESSION_DATA); String sysUserId = String.valueOf(usd.getSystemUserId()); testSection.setSysUserId(sysUserId); org.hibernate.Transaction tx = HibernateUtil.getSession().beginTransaction(); // String selectedTestSectionId = (String) // dynaForm.get("selectedTestSectionId"); String organizationName = (String) dynaForm.get("organizationName"); List orgs = new ArrayList(); if (dynaForm.get("organizations") != null) { orgs = (List) dynaForm.get("organizations"); } else { OrganizationDAO orgDAO = new OrganizationDAOImpl(); orgs = orgDAO.getAllOrganizations(); } Organization org = null; // get the right organizationion to update testSection with for (int i = 0; i < orgs.size(); i++) { Organization o = (Organization) orgs.get(i); if (o.getOrganizationName().equals(organizationName)) { org = o; break; } } // bugzilla 2025 String parentTestSectionName = (String) dynaForm.get("parentTestSectionName"); List parentTestSecs = new ArrayList(); if (dynaForm.get("parentTestSections") != null) { parentTestSecs = (List) dynaForm.get("parentTestSections"); } else { TestSectionDAO parentTestSecDAO = new TestSectionDAOImpl(); parentTestSecs = parentTestSecDAO.getAllTestSections(); } TestSection pTestSec = null; for (int i = 0; i < parentTestSecs.size(); i++) { TestSection pts = (TestSection) parentTestSecs.get(i); if (pts.getTestSectionName().equals(parentTestSectionName)) { pTestSec = pts; break; } } // populate valueholder from form PropertyUtils.copyProperties(testSection, dynaForm); testSection.setOrganization(org); //bugzilla 2025 testSection.setParentTestSection(pTestSec); try { TestSectionDAO testSectionDAO = new TestSectionDAOImpl(); if (!isNew) { // UPDATE testSectionDAO.updateData(testSection); } else { // INSERT testSectionDAO.insertData(testSection); } tx.commit(); } catch (LIMSRuntimeException lre) { //bugzilla 2154 LogEvent.logError("TestSectionUpdateAction", "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 = "testsection.testsection"; 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, testSection); if ("true".equalsIgnoreCase(request.getParameter("close"))) { forward = FWD_CLOSE; } if (testSection.getId() != null && !testSection.getId().equals("0")) { request.setAttribute(ID, testSection.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 "testsection.add.title"; } else { return "testsection.edit.title"; } } protected String getPageSubtitleKey() { if (isNew) { return "testsection.add.title"; } else { return "testsection.edit.title"; } } protected ActionMessages validateAll(HttpServletRequest request, ActionMessages errors, BaseActionForm dynaForm) throws Exception { // organization validation against database String organizationSelected = (String) dynaForm.get("organizationName"); if (!StringUtil.isNullorNill(organizationSelected)) { Organization org = new Organization(); org.setOrganizationName(organizationSelected); OrganizationDAO orgDAO = new OrganizationDAOImpl(); org = orgDAO.getOrganizationByName(org, true); String messageKey = "testsection.organization"; if (org == null) { // the organization is not in database - not valid ActionError error = new ActionError("errors.invalid", getMessageForKey(messageKey), null); errors.add(ActionMessages.GLOBAL_MESSAGE, error); } } // parentTestSection validation against database String parentTestSectionSelected = (String) dynaForm.get("parentTestSectionName"); if (!StringUtil.isNullorNill(parentTestSectionSelected)) { TestSection testSection = new TestSection(); testSection.setTestSectionName(parentTestSectionSelected); TestSectionDAO testSectionDAO = new TestSectionDAOImpl(); testSection = testSectionDAO.getTestSectionByName(testSection); String messageKey = "testsection.parent"; if (testSection == null) { // the testSection is not in database - not valid // parentTestSection ActionError error = new ActionError("errors.invalid", getMessageForKey(messageKey), null); errors.add(ActionMessages.GLOBAL_MESSAGE, error); } } return errors; } }