CodeElementXrefUnLinkAction.java

/**
* 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.codeelementxref.action;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

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 org.apache.struts.action.DynaActionForm;

import us.mn.state.health.lims.codeelementxref.dao.CodeElementXrefDAO;
import us.mn.state.health.lims.codeelementxref.daoimpl.CodeElementXrefDAOImpl;
import us.mn.state.health.lims.codeelementxref.valueholder.CodeElementXref;
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.validator.ActionError;
import us.mn.state.health.lims.hibernate.HibernateUtil;
import us.mn.state.health.lims.login.valueholder.UserSessionData;

/**
 * @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 CodeElementXrefUnLinkAction extends CodeElementXrefBaseAction {

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

		String forward = FWD_SUCCESS;
		request.setAttribute(ALLOW_EDITS_KEY, "true");

		DynaActionForm dynaForm = (DynaActionForm) form;
		
		// server-side validation (validation.xml)
		ActionMessages errors = dynaForm.validate(mapping, request);
		if (errors != null && errors.size() > 0) {
			// System.out.println("Server side validation errors "
			// + errors.toString());
			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 selectedMessageOrganizationId = (String)dynaForm.get("selectedMessageOrganizationId");
		String selectedCodeElementTypeId = (String)dynaForm.getString("selectedCodeElementTypeId");

		String[] selectedRows = (String[])dynaForm.get("selectedRows");
		
		List codeElementXrefs = new ArrayList();


		// initialize the form
		dynaForm.initialize(mapping);

		CodeElementXrefDAO codeElementXrefDAO = new CodeElementXrefDAOImpl();
		
		for (int i = 0; i < selectedRows.length; i++) {
			CodeElementXref codeElementXref = new CodeElementXref();
			codeElementXref.setId(selectedRows[i]);
			codeElementXrefDAO.getData(codeElementXref);
			//bugzilla 1819 get sysUserId from login module
			UserSessionData usd = (UserSessionData)request.getSession().getAttribute(USER_SESSION_DATA);
			String sysUserId = String.valueOf(usd.getSystemUserId());	
			codeElementXref.setSysUserId(sysUserId);
			codeElementXrefs.add(codeElementXref);
		}

		org.hibernate.Transaction tx = HibernateUtil.getSession()
		.beginTransaction();
		try {
				// DELETE

			codeElementXrefDAO.deleteData(codeElementXrefs);
			tx.commit();
		} catch (LIMSRuntimeException lre) {
			//bugzilla 2154
			LogEvent.logError("CodeElementXrefUnLinkAction","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) {
				// 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 {
					error = new ActionError("errors.DeleteException", 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();
		}
		return getForward(mapping.findForward(forward), selectedMessageOrganizationId, selectedCodeElementTypeId);
	}

	protected String getPageTitleKey() {
		return "codeelementxref.edit.title";
	}

	protected String getPageSubtitleKey() {
		return "codeelementxref.edit.title";
	}

}