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.testanalyte.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.analyte.dao.AnalyteDAO; import us.mn.state.health.lims.analyte.daoimpl.AnalyteDAOImpl; import us.mn.state.health.lims.analyte.valueholder.Analyte; 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.util.StringUtil; 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.test.dao.TestDAO; import us.mn.state.health.lims.test.daoimpl.TestDAOImpl; import us.mn.state.health.lims.test.valueholder.Test; import us.mn.state.health.lims.testanalyte.dao.TestAnalyteDAO; import us.mn.state.health.lims.testanalyte.daoimpl.TestAnalyteDAOImpl; import us.mn.state.health.lims.testanalyte.valueholder.TestAnalyte; /** * @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 TestAnalyteUpdateAction extends BaseAction { private boolean isNew = false; /* (non-Javadoc) * @see us.mn.state.health.lims.common.action.BaseAction#performAction(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse) */ 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 TestAnalyte. // If there is a parameter present, we should bring up an existing // TestAnalyte 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("TestAnalyteUpdateAction", "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); TestAnalyte testAnalyte = new TestAnalyte(); //get sysUserId from login module UserSessionData usd = (UserSessionData) request.getSession().getAttribute(USER_SESSION_DATA); String sysUserId = String.valueOf(usd.getSystemUserId()); testAnalyte.setSysUserId(sysUserId); org.hibernate.Transaction tx = HibernateUtil.getSession().beginTransaction(); // set test object Test test = new Test(); String testName = (String) dynaForm.get("testName"); test.setTestName(testName); TestDAO testDAO = new TestDAOImpl(); test = testDAO.getTestByName(test); // set analyte object Analyte analyte = new Analyte(); String analyteName = (String) dynaForm.get("analyteName"); analyte.setAnalyteName(analyteName); AnalyteDAO analyteDAO = new AnalyteDAOImpl(); //bugzilla 1367 analyte = analyteDAO.getAnalyteByName(analyte, false); // populate valueholder from form PropertyUtils.copyProperties(testAnalyte, dynaForm); testAnalyte.setTest(test); testAnalyte.setAnalyte(analyte); try { TestAnalyteDAO testAnalyteDAO = new TestAnalyteDAOImpl(); if (!isNew) { // UPDATE testAnalyteDAO.updateData(testAnalyte); if (FWD_NEXT.equals(direction)) { List testAnalytes = testAnalyteDAO.getNextTestAnalyteRecord(testAnalyte.getId()); if (testAnalytes != null && testAnalytes.size() > 0) { testAnalyte = (TestAnalyte) testAnalytes.get(0); testAnalyteDAO.getData(testAnalyte); if (testAnalytes.size() < 2) { // disable next button request.setAttribute(NEXT_DISABLED, "true"); } id = testAnalyte.getId(); } else { // just disable next button request.setAttribute(NEXT_DISABLED, "true"); } forward = FWD_NEXT; } if (FWD_PREVIOUS.equals(direction)) { List testAnalytes = testAnalyteDAO.getPreviousTestAnalyteRecord(testAnalyte.getId()); if (testAnalytes != null && testAnalytes.size() > 0) { testAnalyte = (TestAnalyte) testAnalytes.get(0); testAnalyteDAO.getData(testAnalyte); if (testAnalytes.size() < 2) { // disable previous button request.setAttribute(PREVIOUS_DISABLED, "true"); } id = testAnalyte.getId(); } else { // just disable next button request.setAttribute(PREVIOUS_DISABLED, "true"); } forward = FWD_PREVIOUS; } } else { // INSERT testAnalyteDAO.insertData(testAnalyte); } tx.commit(); } catch (LIMSRuntimeException lre) { //bugzilla 2154 LogEvent.logError("TestAnalyteUpdateAction", "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"); // 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, testAnalyte); if ("true".equalsIgnoreCase(request.getParameter("close"))) { forward = FWD_CLOSE; } if (testAnalyte.getId() != null && !testAnalyte.getId().equals("0")) { request.setAttribute(ID, testAnalyte.getId()); } //bugzilla 1400 if (isNew) forward = FWD_SUCCESS_INSERT; return getForward(mapping.findForward(forward), id, start); } /* (non-Javadoc) * @see us.mn.state.health.lims.common.action.BaseAction#getPageTitleKey() */ protected String getPageTitleKey() { if (isNew) { return "testanalyte.add.title"; } else { return "testanalyte.edit.title"; } } /* (non-Javadoc) * @see us.mn.state.health.lims.common.action.BaseAction#getPageSubtitleKey() */ protected String getPageSubtitleKey() { if (isNew) { return "testanalyte.add.title"; } else { return "testanalyte.edit.title"; } } /** * @param request * @param errors * @param dynaForm * @return * @throws Exception */ protected ActionMessages validateAll(HttpServletRequest request, ActionMessages errors, BaseActionForm dynaForm) throws Exception { // test 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 = "testanalyte.testName"; if (test == null) { // the test is not in database - not valid // testName ActionError error = new ActionError("errors.invalid", getMessageForKey(messageKey), null); errors.add(ActionMessages.GLOBAL_MESSAGE, error); } } // analyte validation against database String analyteNameSelected = (String) dynaForm.get("analyteName"); if (!StringUtil.isNullorNill(testNameSelected)) { Analyte analyte = new Analyte(); analyte.setAnalyteName(analyteNameSelected); AnalyteDAO analyteDAO = new AnalyteDAOImpl(); analyte = analyteDAO.getAnalyteByName(analyte, false); String messageKey = "testanalyte.analyteName"; if (analyte == null) { // the test is not in database - not valid // testName ActionError error = new ActionError("errors.invalid", getMessageForKey(messageKey), null); errors.add(ActionMessages.GLOBAL_MESSAGE, error); } } return errors; } }