Java tutorial
/* * This software was designed and created by Jason Carroll. * Copyright (c) 2002, 2003, 2004 Jason Carroll. * The author can be reached at jcarroll@cowsultants.com * ITracker website: http://www.cowsultants.com * ITracker forums: http://www.cowsultants.com/phpBB/index.php * * This program is free software; you can redistribute it and/or modify * it only 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. * * This program 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. */ package org.itracker.web.actions.admin.project; import org.apache.commons.beanutils.PropertyUtils; import org.apache.log4j.Logger; import org.apache.struts.action.*; import org.itracker.model.Component; import org.itracker.model.PermissionType; import org.itracker.model.Project; import org.itracker.model.util.UserUtilities; import org.itracker.services.ProjectService; import org.itracker.web.actions.base.ItrackerBaseAction; import org.itracker.web.forms.ComponentForm; import org.itracker.web.util.Constants; import org.itracker.web.util.EditComponentFormActionUtil; import org.itracker.web.util.ServletContextUtils; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import java.io.IOException; import java.util.Map; import java.util.Set; public class EditComponentFormAction extends ItrackerBaseAction { private static final Logger log = Logger.getLogger(EditComponentFormAction.class); @SuppressWarnings("unchecked") public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ActionMessages errors = new ActionMessages(); String pageTitleKey = ""; String pageTitleArg = ""; try { ProjectService projectService = ServletContextUtils.getItrackerServices().getProjectService(); HttpSession session = request.getSession(true); String action = request.getParameter("action"); Map<Integer, Set<PermissionType>> userPermissions = (Map<Integer, Set<PermissionType>>) session .getAttribute(Constants.PERMISSIONS_KEY); Component component = (Component) session.getAttribute(Constants.COMPONENT_KEY); Project project; ComponentForm componentForm = (ComponentForm) form; if (componentForm == null) { componentForm = new ComponentForm(); } if ("create".equals(action)) { Integer projectId = (Integer) PropertyUtils.getSimpleProperty(form, "projectId"); if (action != null && action.equals("create")) { pageTitleKey = "itracker.web.admin.editcomponent.title.create"; } if (projectId == null) { errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.invalidproject")); } else { project = projectService.getProject(projectId); if (project == null) { errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.invalidproject")); } else if (!UserUtilities.hasPermission(userPermissions, project.getId(), UserUtilities.PERMISSION_PRODUCT_ADMIN)) { return mapping.findForward("unauthorized"); } else { component = new Component(); component.setProject(project); componentForm.setAction("create"); componentForm.setId(component.getId()); componentForm.setProjectId(component.getProject().getId()); } } } else if ("update".equals(action)) { Integer componentId = (Integer) PropertyUtils.getSimpleProperty(form, "id"); component = projectService.getProjectComponent(componentId); if (action != null && action.equals("update")) { pageTitleKey = "itracker.web.admin.editcomponent.title.update"; pageTitleArg = component.getName(); } if (component == null) { errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.invalidcomponent")); } else { project = component.getProject(); if (component == null) { errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.invalidproject")); } else if (!UserUtilities.hasPermission(userPermissions, component.getProject().getId(), UserUtilities.PERMISSION_PRODUCT_ADMIN)) { return mapping.findForward("unauthorized"); } else { componentForm.setAction("update"); componentForm.setId(component.getId()); componentForm.setProjectId(project.getId()); componentForm.setName(component.getName()); componentForm.setDescription(component.getDescription()); } } } else { errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.invalidaction")); } if (errors.isEmpty()) { request.setAttribute("componentForm", componentForm); session.setAttribute(Constants.COMPONENT_KEY, component); saveToken(request); request.setAttribute("pageTitleKey", pageTitleKey); request.setAttribute("pageTitleArg", pageTitleArg); ActionForward af = EditComponentFormActionUtil.init(mapping, request); if (af != null) return af; return mapping.getInputForward(); } } catch (Exception e) { pageTitleKey = "itracker.web.error.title"; request.setAttribute("pageTitleKey", pageTitleKey); request.setAttribute("pageTitleArg", pageTitleArg); log.error("Exception while creating edit component form.", e); errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.system")); } if (!errors.isEmpty()) { saveErrors(request, errors); return mapping.findForward("error"); } return mapping.getInputForward(); } }