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.receivercodeelement.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.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import org.apache.struts.action.DynaActionForm; import us.mn.state.health.lims.codeelementtype.dao.CodeElementTypeDAO; import us.mn.state.health.lims.codeelementtype.daoimpl.CodeElementTypeDAOImpl; import us.mn.state.health.lims.common.action.BaseAction; import us.mn.state.health.lims.common.util.StringUtil; import us.mn.state.health.lims.messageorganization.dao.MessageOrganizationDAO; import us.mn.state.health.lims.messageorganization.daoimpl.MessageOrganizationDAOImpl; import us.mn.state.health.lims.receivercodeelement.dao.ReceiverCodeElementDAO; import us.mn.state.health.lims.receivercodeelement.daoimpl.ReceiverCodeElementDAOImpl; import us.mn.state.health.lims.receivercodeelement.valueholder.ReceiverCodeElement; /** * @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 ReceiverCodeElementAction 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 ReceiverCodeElement. // If there is a parameter present, we should bring up an existing // ReceiverCodeElement to edit. String id = request.getParameter(ID); String forward = FWD_SUCCESS; request.setAttribute(ALLOW_EDITS_KEY, "true"); request.setAttribute(PREVIOUS_DISABLED, "true"); request.setAttribute(NEXT_DISABLED, "true"); DynaActionForm dynaForm = (DynaActionForm) form; // initialize the form dynaForm.initialize(mapping); ReceiverCodeElement receiverCodeElement = new ReceiverCodeElement(); if ((id != null) && (!"0".equals(id))) { // this is an existing // receiverCodeElement receiverCodeElement.setId(id); ReceiverCodeElementDAO receiverCodeElementDAO = new ReceiverCodeElementDAOImpl(); receiverCodeElementDAO.getData(receiverCodeElement); isNew = false; // this is to set correct page title // initialize selectedMessageOrganizationId if (receiverCodeElement.getMessageOrganization() != null) { receiverCodeElement .setSelectedMessageOrganizationId(receiverCodeElement.getMessageOrganization().getId()); } if (receiverCodeElement.getCodeElementType() != null) { receiverCodeElement.setSelectedCodeElementTypeId(receiverCodeElement.getCodeElementType().getId()); } // do we need to enable next or previous? //bugzilla 1427 pass in name not id List receiverCodeElements = receiverCodeElementDAO .getNextReceiverCodeElementRecord(receiverCodeElement.getId()); if (receiverCodeElements.size() > 0) { // enable next button request.setAttribute(NEXT_DISABLED, "false"); } //bugzilla 1427 pass in name not id receiverCodeElements = receiverCodeElementDAO .getPreviousReceiverCodeElementRecord(receiverCodeElement.getId()); if (receiverCodeElements.size() > 0) { // enable next button request.setAttribute(PREVIOUS_DISABLED, "false"); } // end of logic to enable next or previous button } else { // this is a new receiverCodeElement isNew = true; // this is to set correct page title //this is additional functionality to keep previously selected messageOrganizationId and codeElementTypeId for convenience String selectedMessageOrganizationId = (String) request.getParameter("selectedMessageOrganizationId"); if (!StringUtil.isNullorNill(selectedMessageOrganizationId)) { receiverCodeElement.setSelectedMessageOrganizationId(selectedMessageOrganizationId); } String selectedCodeElementTypeId = (String) request.getParameter("selectedCodeElementTypeId"); if (!StringUtil.isNullorNill(selectedCodeElementTypeId)) { receiverCodeElement.setSelectedCodeElementTypeId(selectedCodeElementTypeId); } } if (receiverCodeElement.getId() != null && !receiverCodeElement.getId().equals("0")) { request.setAttribute(ID, receiverCodeElement.getId()); } // populate form from valueholder PropertyUtils.copyProperties(form, receiverCodeElement); MessageOrganizationDAO messageOrganizationDAO = new MessageOrganizationDAOImpl(); List messageOrganizations = messageOrganizationDAO.getAllMessageOrganizations(); PropertyUtils.setProperty(form, "messageOrganizations", messageOrganizations); CodeElementTypeDAO codeElementTypeDAO = new CodeElementTypeDAOImpl(); List codeElementTypes = codeElementTypeDAO.getAllCodeElementTypes(); PropertyUtils.setProperty(form, "codeElementTypes", codeElementTypes); return mapping.findForward(forward); } protected String getPageTitleKey() { if (isNew) { return "receivercodeelement.add.title"; } else { return "receivercodeelement.edit.title"; } } protected String getPageSubtitleKey() { if (isNew) { return "receivercodeelement.add.title"; } else { return "receivercodeelement.edit.title"; } } }