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.project.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.program.dao.ProgramDAO; import us.mn.state.health.lims.program.daoimpl.ProgramDAOImpl; import us.mn.state.health.lims.project.dao.ProjectDAO; import us.mn.state.health.lims.project.daoimpl.ProjectDAOImpl; import us.mn.state.health.lims.project.valueholder.Project; 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.systemuser.dao.SystemUserDAO; import us.mn.state.health.lims.systemuser.daoimpl.SystemUserDAOImpl; import us.mn.state.health.lims.systemuser.valueholder.SystemUser; /** * @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 ProjectUpdateAction 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 Project. // If there is a parameter present, we should bring up an existing // Project 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("ProjectUpdateAction", "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); } List sysUsers = new ArrayList(); List programs = new ArrayList(); org.hibernate.Transaction tx = HibernateUtil.getSession().beginTransaction(); if (dynaForm.get("sysUsers") != null) { sysUsers = (List) dynaForm.get("sysUsers"); } else { SystemUserDAO sysUserDAO = new SystemUserDAOImpl(); sysUsers = sysUserDAO.getAllSystemUsers(); } if (dynaForm.get("programs") != null) { programs = (List) dynaForm.get("programs"); } else { ProgramDAO programDAO = new ProgramDAOImpl(); programs = programDAO.getAllPrograms(); } String start = (String) request.getParameter("startingRecNo"); String direction = (String) request.getParameter("direction"); String sysUserId = (String) dynaForm.get("sysUserId"); SystemUser sysUser = null; for (int i = 0; i < sysUsers.size(); i++) { SystemUser su = (SystemUser) sysUsers.get(i); if (su.getId().equals(sysUserId)) { sysUser = su; break; } } Project project = new Project(); //get sysUserId from login module UserSessionData usd = (UserSessionData) request.getSession().getAttribute(USER_SESSION_DATA); String sysUserId2 = String.valueOf(usd.getSystemUserId()); project.setSysUserId(sysUserId2); Scriptlet scriptlet = new Scriptlet(); String scriptletName = (String) dynaForm.get("scriptletName"); scriptlet.setScriptletName(scriptletName); ScriptletDAO scriptletDAO = new ScriptletDAOImpl(); Scriptlet scr = scriptletDAO.getScriptletByName(scriptlet); // populate valueholder from form PropertyUtils.copyProperties(project, dynaForm); project.setSystemUser(sysUser); project.setScriptlet(scr); // there is no specification for sticker req flag, but it can't be null // so default to N if (project.getStickerReqFlag() == null) { project.setStickerReqFlag(NO); } try { ProjectDAO projectDAO = new ProjectDAOImpl(); if (!isNew) { // UPDATE projectDAO.updateData(project); } else { // INSERT projectDAO.insertData(project); } tx.commit(); } catch (LIMSRuntimeException lre) { //bugzilla 2154 LogEvent.logError("ProjectUpdateAction", "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 { //bugzilla 1482 if (lre.getException() instanceof LIMSDuplicateRecordException) { java.util.Locale locale = (java.util.Locale) request.getSession() .getAttribute("org.apache.struts.action.LOCALE"); //bugzilla 2438 String messageKey = "project.projectNameOrLocalAbbrev"; String msg = ResourceLocator.getInstance().getMessageResources().getMessage(locale, messageKey); error = new ActionError("errors.DuplicateRecord.activate", 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); // in case of database exception don't allow another save without // cancel first //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, project); PropertyUtils.setProperty(dynaForm, "programs", programs); PropertyUtils.setProperty(dynaForm, "sysUsers", sysUsers); if ("true".equalsIgnoreCase(request.getParameter("close"))) { forward = FWD_CLOSE; } if (project.getId() != null && !project.getId().equals("0")) { request.setAttribute(ID, project.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 "project.add.title"; } else { return "project.edit.title"; } } protected String getPageSubtitleKey() { if (isNew) { return "project.add.title"; } else { return "project.edit.title"; } } protected ActionMessages validateAll(HttpServletRequest request, ActionMessages errors, BaseActionForm dynaForm) throws Exception { // scriptlet name validation against database String scriptletNameSelected = (String) dynaForm.get("scriptletName"); if (!StringUtil.isNullorNill(scriptletNameSelected)) { Scriptlet scriptlet = new Scriptlet(); //System.out.println("This is scriptlet name selected " // + scriptletNameSelected); scriptlet.setScriptletName(scriptletNameSelected); ScriptletDAO scriptletDAO = new ScriptletDAOImpl(); scriptlet = scriptletDAO.getScriptletByName(scriptlet); String messageKey = "project.scriptletName"; if (scriptlet == 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; } }