Java tutorial
/* This file is part of Cyclos (www.cyclos.org). A project of the Social Trade Organisation (www.socialtrade.org). Cyclos is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. Cyclos is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Cyclos; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package nl.strohalm.cyclos.controls.members.printsettings; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import nl.strohalm.cyclos.annotations.Inject; import nl.strohalm.cyclos.controls.ActionContext; import nl.strohalm.cyclos.controls.BaseAction; import nl.strohalm.cyclos.services.preferences.ReceiptPrinterSettingsService; import nl.strohalm.cyclos.utils.RequestHelper; import org.apache.commons.lang.StringUtils; import org.apache.struts.action.ActionForward; /** * Action used to list all receipt printer settings for the currently logged member * * @author luis */ public class RemoveReceiptPrinterSettingsAction extends BaseAction { private ReceiptPrinterSettingsService receiptPrinterSettingsService; @Inject public void setReceiptPrinterSettingsService( final ReceiptPrinterSettingsService receiptPrinterSettingsService) { this.receiptPrinterSettingsService = receiptPrinterSettingsService; } @Override protected ActionForward executeAction(final ActionContext context) throws Exception { final HttpServletRequest request = context.getRequest(); final RemoveReceiptPrinterSettingsForm form = context.getForm(); final Long id = form.getId(); receiptPrinterSettingsService.remove(id); context.sendMessage("receiptPrinterSettings.removed"); final String currentReceiptPrinter = RequestHelper.getCookieValue(request, "receiptPrinterId"); // If the member removes a printer he's currently using, clear the cookie. We cannot, however, do this for cookies on other clients. // They'll get an error when trying to print if (StringUtils.isNotEmpty(currentReceiptPrinter) && id.toString().equals(currentReceiptPrinter)) { final HttpServletResponse response = context.getResponse(); final Cookie cookie = new Cookie("receiptPrinterId", ""); cookie.setPath(request.getContextPath()); response.addCookie(cookie); } return context.getSuccessForward(); } }