us.mn.state.health.lims.systemmodule.action.SystemModuleUpdateAction.java Source code

Java tutorial

Introduction

Here is the source code for us.mn.state.health.lims.systemmodule.action.SystemModuleUpdateAction.java

Source

/**
* 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.systemmodule.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.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.systemmodule.dao.SystemModuleDAO;
import us.mn.state.health.lims.systemmodule.daoimpl.SystemModuleDAOImpl;
import us.mn.state.health.lims.systemmodule.valueholder.SystemModule;

/**
 *  @author     Hung Nguyen (Hung.Nguyen@health.state.mn.us)
 */
public class SystemModuleUpdateAction extends BaseAction {

    private boolean isNew = false;

    protected ActionForward performAction(ActionMapping mapping, ActionForm form, HttpServletRequest request,
            HttpServletResponse response) throws Exception {

        String forward = FWD_SUCCESS;
        request.setAttribute(IActionConstants.ALLOW_EDITS_KEY, "true");
        request.setAttribute(PREVIOUS_DISABLED, "false");
        request.setAttribute(NEXT_DISABLED, "false");

        String id = request.getParameter("ID");

        //get sysUserId from login module
        UserSessionData usd = (UserSessionData) request.getSession().getAttribute(USER_SESSION_DATA);
        String sysUserId = String.valueOf(usd.getSystemUserId());

        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);
        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");

        SystemModule systemModule = new SystemModule();
        systemModule.setSysUserId(sysUserId);
        org.hibernate.Transaction tx = HibernateUtil.getSession().beginTransaction();

        // populate valueholder from form
        PropertyUtils.copyProperties(systemModule, dynaForm);

        try {
            SystemModuleDAO systemModuleDAO = new SystemModuleDAOImpl();

            if (!isNew) {
                // UPDATE
                systemModuleDAO.updateData(systemModule);
            } else {
                // INSERT
                systemModuleDAO.insertData(systemModule);
            }
            tx.commit();
        } catch (LIMSRuntimeException lre) {
            //bugzilla 2154
            LogEvent.logError("SystemModuleUpdateAction", "performAction()", lre.toString());
            tx.rollback();
            errors = new ActionMessages();
            java.util.Locale locale = (java.util.Locale) request.getSession()
                    .getAttribute("org.apache.struts.action.LOCALE");
            ActionError error = null;
            if (lre.getException() instanceof org.hibernate.StaleObjectStateException) {
                error = new ActionError("errors.OptimisticLockException", null, null);
            } else {
                if (lre.getException() instanceof LIMSDuplicateRecordException) {
                    String messageKey = "systemmodule.name";
                    String msg = ResourceLocator.getInstance().getMessageResources().getMessage(locale, messageKey);
                    error = new ActionError("errors.DuplicateRecord", 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);

        // initialize the form
        dynaForm.initialize(mapping);
        // repopulate the form from valueholder
        PropertyUtils.copyProperties(dynaForm, systemModule);

        if ("true".equalsIgnoreCase(request.getParameter("close"))) {
            forward = FWD_CLOSE;
        }

        if (systemModule.getId() != null && !systemModule.getId().equals("0")) {
            request.setAttribute("ID", systemModule.getId());

        }

        if (isNew)
            forward = FWD_SUCCESS_INSERT;
        return getForward(mapping.findForward(forward), id, start, direction);

    }

    protected String getPageTitleKey() {
        if (isNew) {
            return "systemmodule.add.title";
        } else {
            return "systemmodule.edit.title";
        }
    }

    protected String getPageSubtitleKey() {
        if (isNew) {
            return "systemmodule.add.title";
        } else {
            return "systemmodule.edit.title";
        }
    }
}