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.analysis.action; 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.analysis.dao.AnalysisDAO; import us.mn.state.health.lims.analysis.daoimpl.AnalysisDAOImpl; import us.mn.state.health.lims.analysis.valueholder.Analysis; 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.LIMSRuntimeException; import us.mn.state.health.lims.common.log.LogEvent; import us.mn.state.health.lims.common.util.StringUtil; import us.mn.state.health.lims.common.util.validator.ActionError; import us.mn.state.health.lims.hibernate.HibernateUtil; import us.mn.state.health.lims.login.valueholder.UserSessionData; import us.mn.state.health.lims.test.dao.TestDAO; import us.mn.state.health.lims.test.dao.TestSectionDAO; import us.mn.state.health.lims.test.daoimpl.TestDAOImpl; import us.mn.state.health.lims.test.daoimpl.TestSectionDAOImpl; import us.mn.state.health.lims.test.valueholder.Test; 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 AnalysisUpdateAction 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 Analysis. // If there is a parameter present, we should bring up an existing // Analysis 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("AnalysisUpdateAction", "performAction()", e.toString()); ActionError error = new ActionError("errors.ValidationException", null, null); errors.add(ActionMessages.GLOBAL_MESSAGE, error); } if (errors != null && errors.size() > 0) { 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"); Analysis analysis = new Analysis(); //get sysUserId from login module UserSessionData usd = (UserSessionData) request.getSession().getAttribute(USER_SESSION_DATA); String sysUserId = String.valueOf(usd.getSystemUserId()); analysis.setSysUserId(sysUserId); org.hibernate.Transaction tx = HibernateUtil.getSession().beginTransaction(); // create TestSection and Test valueholder TestSection testSection = new TestSection(); String testSectionName = (String) dynaForm.get("testSectionName"); testSection.setTestSectionName(testSectionName); TestSectionDAO testSectionDAO = new TestSectionDAOImpl(); TestSection ts = testSectionDAO.getTestSectionByName(testSection); Test test = new Test(); String testName = (String) dynaForm.get("testName"); test.setTestName(testName); TestDAO testDAO = new TestDAOImpl(); Test t = testDAO.getTestByName(test); // populate valueholder from form PropertyUtils.copyProperties(analysis, dynaForm); analysis.setTestSection(ts); analysis.setTest(t); //bugzilla 1942 analysis.setIsReportable(t.getIsReportable()); try { AnalysisDAO analysisDAO = new AnalysisDAOImpl(); if (!isNew) { // UPDATE analysisDAO.updateData(analysis); if (FWD_NEXT.equals(direction)) { List analyses = analysisDAO.getNextAnalysisRecord(analysis.getId()); if (analyses != null && analyses.size() > 0) { analysis = (Analysis) analyses.get(0); analysisDAO.getData(analysis); if (analyses.size() < 2) { // disable next button request.setAttribute(NEXT_DISABLED, "true"); } id = analysis.getId(); } else { // disable next button request.setAttribute(NEXT_DISABLED, "true"); } forward = FWD_NEXT; } if (FWD_PREVIOUS.equals(direction)) { List analyses = analysisDAO.getPreviousAnalysisRecord(analysis.getId()); if (analyses != null && analyses.size() > 0) { analysis = (Analysis) analyses.get(0); analysisDAO.getData(analysis); if (analyses.size() < 2) { // disable previous button request.setAttribute(PREVIOUS_DISABLED, "true"); } id = analysis.getId(); } else { // disable previous button request.setAttribute(PREVIOUS_DISABLED, "true"); } forward = FWD_PREVIOUS; } } else { // INSERT //bugzilla 2013 added duplicateCheck parameter analysisDAO.insertData(analysis, false); } tx.commit(); } catch (LIMSRuntimeException lre) { //bugzilla 2154 LogEvent.logError("AnalysisUpdateAction", "performAction()", lre.toString()); tx.rollback(); errors = new ActionMessages(); 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 { error = new ActionError("errors.UpdateException", null, null); } errors.add(ActionMessages.GLOBAL_MESSAGE, error); saveErrors(request, errors); request.setAttribute(Globals.ERROR_KEY, errors); request.setAttribute(ALLOW_EDITS_KEY, "false"); 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, analysis); if ("true".equalsIgnoreCase(request.getParameter("close"))) { forward = FWD_CLOSE; } if (analysis.getId() != null && !analysis.getId().equals("0")) { request.setAttribute(ID, analysis.getId()); } //bugzilla 1400 if (isNew) forward = FWD_SUCCESS_INSERT; return getForward(mapping.findForward(forward), id, start); } protected String getPageTitleKey() { if (isNew) { return "analysis.add.title"; } else { return "analysis.edit.title"; } } protected String getPageSubtitleKey() { if (isNew) { return "analysis.add.title"; } else { return "analysis.edit.title"; } } protected ActionMessages validateAll(HttpServletRequest request, ActionMessages errors, BaseActionForm dynaForm) throws Exception { // testsection name validation against database String testSectionNameSelected = (String) dynaForm.get("testSectionName"); if (!StringUtil.isNullorNill(testSectionNameSelected)) { TestSection testSection = new TestSection(); //System.out.println("This is testSection name selected " + testSectionNameSelected); testSection.setTestSectionName(testSectionNameSelected); TestSectionDAO testSectionDAO = new TestSectionDAOImpl(); testSection = testSectionDAO.getTestSectionByName(testSection); String messageKey = "analysis.testSectionName"; if (testSection == 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(testSectionNameSelected)) { Test test = new Test(); //System.out.println("This is test name selected " + testNameSelected); test.setTestName(testNameSelected); TestDAO testDAO = new TestDAOImpl(); test = testDAO.getTestByName(test); String messageKey = "analysis.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); } } return errors; } }