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 javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.beanutils.PropertyUtils; import org.apache.commons.validator.GenericValidator; 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.label.dao.LabelDAO; import us.mn.state.health.lims.label.daoimpl.LabelDAOImpl; import us.mn.state.health.lims.label.valueholder.Label; 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.scriptlet.dao.ScriptletDAO; import us.mn.state.health.lims.scriptlet.daoimpl.ScriptletDAOImpl; import us.mn.state.health.lims.scriptlet.valueholder.Scriptlet; 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; import us.mn.state.health.lims.testtrailer.dao.TestTrailerDAO; import us.mn.state.health.lims.testtrailer.daoimpl.TestTrailerDAOImpl; import us.mn.state.health.lims.testtrailer.valueholder.TestTrailer; import us.mn.state.health.lims.typeofsample.util.TypeOfSampleUtil; /** * @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 TestUpdateAction 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 Test. // If there is a parameter present, we should bring up an existing // Test 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("TestUpdateAction", "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"); Test test = new Test(); // get sysUserId from login module UserSessionData usd = (UserSessionData) request.getSession().getAttribute(USER_SESSION_DATA); String sysUserId = String.valueOf(usd.getSystemUserId()); test.setSysUserId(sysUserId); org.hibernate.Transaction tx = HibernateUtil.getSession().beginTransaction(); Method method = new Method(); String methodName = (String) dynaForm.get("methodName"); method.setMethodName((methodName == null) ? "" : methodName); MethodDAO methodDAO = new MethodDAOImpl(); Method meth = methodDAO.getMethodByName(method); Label label = new Label(); String labelName = (String) dynaForm.get("labelName"); label.setLabelName((labelName == null) ? "" : labelName); LabelDAO labelDAO = new LabelDAOImpl(); Label lab = labelDAO.getLabelByName(label); TestTrailer testTrailer = new TestTrailer(); String testTrailerName = (String) dynaForm.get("testTrailerName"); testTrailer.setTestTrailerName((testTrailerName == null) ? "" : testTrailerName); TestTrailerDAO testTrailerDAO = new TestTrailerDAOImpl(); TestTrailer tt = testTrailerDAO.getTestTrailerByName(testTrailer); TestSection testSection = new TestSection(); String testSectionName = (String) dynaForm.get("testSectionName"); testSection.setTestSectionName(testSectionName); TestSectionDAO testSectionDAO = new TestSectionDAOImpl(); TestSection ts = testSectionDAO.getTestSectionByName(testSection); Scriptlet scriptlet = new Scriptlet(); String scriptletName = (String) dynaForm.get("scriptletName"); scriptlet.setScriptletName((scriptletName == null) ? "" : scriptletName); ScriptletDAO scriptletDAO = new ScriptletDAOImpl(); Scriptlet s = scriptletDAO.getScriptletByName(scriptlet); // populate valueholder from form PropertyUtils.copyProperties(test, dynaForm); test.setMethod(meth); test.setLabel(lab); test.setTestTrailer(tt); test.setTestSection(ts); test.setScriptlet(s); try { TestDAO testDAO = new TestDAOImpl(); if (!isNew) { // bugzilla 1401 removed system.out that caused nullpointer // UPDATE testDAO.updateData(test); // if we rewrite a test, we can't rely on the cache of tests for a type of sample (used in sample entry). } else { // INSERT testDAO.insertData(test); } TypeOfSampleUtil.clearTestCache(); tx.commit(); } catch (LIMSRuntimeException lre) { //bugzilla 2154 LogEvent.logError("TestUpdateAction", "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 { if (lre.getException() instanceof LIMSDuplicateRecordException) { java.util.Locale locale = (java.util.Locale) request.getSession() .getAttribute("org.apache.struts.action.LOCALE"); //bugzilla 2459 (added dup check for description) String messageKey = "test.testNameOrDescription"; String msg = ResourceLocator.getInstance().getMessageResources().getMessage(locale, messageKey); error = new ActionError("errors.DuplicateRecord.activeonly", 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, test); if ("true".equalsIgnoreCase(request.getParameter("close"))) { forward = FWD_CLOSE; } if (test.getId() != null && !test.getId().equals("0")) { request.setAttribute(ID, test.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 "test.add.title"; } else { return "test.edit.title"; } } protected String getPageSubtitleKey() { if (isNew) { return "test.add.title"; } else { return "test.edit.title"; } } protected ActionMessages validateAll(HttpServletRequest request, ActionMessages errors, BaseActionForm dynaForm) throws Exception { // 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 = "test.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); } } //AIS - bugzilla 1562 ( removed validation for Label, as it is now drop-down) // test trailer name validation against database String ttNameSelected = (String) dynaForm.get("testTrailerName"); if (!StringUtil.isNullorNill(ttNameSelected)) { TestTrailer testTrailer = new TestTrailer(); //System.out.println("This is testTrailer name selected " // + ttNameSelected); testTrailer.setTestTrailerName(ttNameSelected); TestTrailerDAO testTrailerDAO = new TestTrailerDAOImpl(); testTrailer = testTrailerDAO.getTestTrailerByName(testTrailer); String messageKey = "test.testTrailerName"; if (testTrailer == 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); } } // testSection validation against database String testSectionSelected = (String) dynaForm.get("testSectionName"); if (!StringUtil.isNullorNill(testSectionSelected)) { TestSection testSection = new TestSection(); testSection.setTestSectionName(testSectionSelected); TestSectionDAO testSectionDAO = new TestSectionDAOImpl(); testSection = testSectionDAO.getTestSectionByName(testSection); String messageKey = "test.testSectionName"; 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); } } //AIS - bugzilla 1562 ( removed scriptlet validation, as it is now drop-down ) return errors; } }