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.city.action; 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.action.IActionConstants; 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.log.LogEvent; 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.dictionary.dao.DictionaryDAO; import us.mn.state.health.lims.dictionary.daoimpl.DictionaryDAOImpl; import us.mn.state.health.lims.dictionary.valueholder.Dictionary; import us.mn.state.health.lims.dictionarycategory.dao.DictionaryCategoryDAO; import us.mn.state.health.lims.dictionarycategory.daoimpl.DictionaryCategoryDAOImpl; import us.mn.state.health.lims.dictionarycategory.valueholder.DictionaryCategory; import us.mn.state.health.lims.hibernate.HibernateUtil; /** * @author markaae.fr * */ public class CityUpdateAction extends BaseAction { private boolean isNew = false; private static DictionaryDAO dictionaryDAO = new DictionaryDAOImpl(); protected ActionForward performAction(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { 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); isNew = (StringUtil.isNullorNill(id) || "0".equals(id)); BaseActionForm dynaForm = (BaseActionForm) form; // server-side validation (validation.xml) ActionMessages errors = dynaForm.validate(mapping, request); if (errors != null && errors.size() > 0) { saveErrors(request, errors); return mapping.findForward(FWD_FAIL); } String start = (String) request.getParameter("startingRecNo"); String direction = (String) request.getParameter("direction"); String cityName = (String) dynaForm.get("cityName"); String cityIsActive = (String) dynaForm.get("isActive"); DictionaryCategoryDAO dictionaryCategoryDAO = new DictionaryCategoryDAOImpl(); Dictionary dictionary = new Dictionary(); dictionary.setId(id); dictionaryDAO.getData(dictionary); dictionary.setDictEntry(cityName); dictionary.setIsActive(cityIsActive); DictionaryCategory dictionaryCategory = new DictionaryCategory(); dictionaryCategory.setId(String.valueOf(IActionConstants.CITY_CATEGORY_ID)); dictionaryCategoryDAO.getData(dictionaryCategory); dictionary.setDictionaryCategory(dictionaryCategory); dictionary.setSortOrder(IActionConstants.CITY_SORT_ORDER); dictionary.setSysUserId(currentUserId); PropertyUtils.copyProperties(dictionary, dynaForm); org.hibernate.Transaction tx = HibernateUtil.getSession().beginTransaction(); try { if (!isNew) { dictionaryDAO.updateData(dictionary, false); } else { dictionaryDAO.insertData(dictionary); } tx.commit(); } catch (LIMSRuntimeException lre) { LogEvent.logError("CityUpdateAction", "performAction()", lre.toString()); tx.rollback(); errors = new ActionMessages(); ActionError error = null; if (lre.getException() instanceof org.hibernate.StaleObjectStateException) { 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"); String messageKey = "city.city"; 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); 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); dynaForm.initialize(mapping); PropertyUtils.copyProperties(dynaForm, dictionary); if ("true".equalsIgnoreCase(request.getParameter("close"))) { forward = FWD_CLOSE; } if (dictionary.getId() != null && !dictionary.getId().equals("0")) { request.setAttribute(ID, dictionary.getId()); } if (isNew) { forward = FWD_SUCCESS_INSERT; } return getForward(mapping.findForward(forward), id, start, direction); } protected String getPageTitleKey() { if (isNew) { return "city.add.title"; } else { return "city.edit.title"; } } protected String getPageSubtitleKey() { if (isNew) { return "city.add.title"; } else { return "city.edit.title"; } } }