| /* |
| * Copyright 2002,2004 The Apache Software Foundation. |
| * |
| * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| |
| package org.apache.webapp.admin.users; |
| |
| |
| import java.io.IOException; |
| import java.net.URLDecoder; |
| import java.util.Locale; |
| import javax.management.MBeanServer; |
| import javax.management.ObjectName; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| import javax.servlet.http.HttpSession; |
| import org.apache.struts.action.Action; |
| import org.apache.struts.action.ActionForm; |
| import org.apache.struts.action.ActionForward; |
| import org.apache.struts.action.ActionMapping; |
| import org.apache.struts.util.MessageResources; |
| import org.apache.webapp.admin.ApplicationServlet; |
| |
| |
| /** |
| * <p>Retrieve the set of MBean names for all currently defined groups, |
| * and expose them in a request attribute named "groupsForm". This action |
| * requires the following request parameters to be set:</p> |
| * <ul> |
| * <li><strong>databaseName</strong> - Object name of the UserDatabase |
| * MBean from which we should retrieve the groups list.</li> |
| * <li><strong>forward</strong> - Global forward to which we should |
| * go after stashing the groups list.</li> |
| * </ul> |
| * |
| * @author Craig R. McClanahan |
| * @version $Revision$ $Date$ |
| * @since 4.1 |
| */ |
| |
| public class ListGroupsAction extends Action { |
| |
| |
| // ----------------------------------------------------- Instance Variables |
| |
| |
| /** |
| * The MBeanServer we will be interacting with. |
| */ |
| private MBeanServer mserver = null; |
| |
| |
| // --------------------------------------------------------- Public Methods |
| |
| |
| /** |
| * Process the specified HTTP request, and create the corresponding HTTP |
| * response (or forward to another web component that will create it). |
| * Return an <code>ActionForward</code> instance describing where and how |
| * control should be forwarded, or <code>null</code> if the response has |
| * already been completed. |
| * |
| * @param mapping The ActionMapping used to select this instance |
| * @param actionForm The optional ActionForm bean for this request (if any) |
| * @param request The HTTP request we are processing |
| * @param response The HTTP response we are creating |
| * |
| * @exception IOException if an input/output error occurs |
| * @exception ServletException if a servlet exception occurs |
| */ |
| public ActionForward perform(ActionMapping mapping, |
| ActionForm form, |
| HttpServletRequest request, |
| HttpServletResponse response) |
| throws IOException, ServletException { |
| |
| |
| // Look up the components we will be using as needed |
| if (mserver == null) { |
| mserver = ((ApplicationServlet) getServlet()).getServer(); |
| } |
| MessageResources resources = getResources(request); |
| HttpSession session = request.getSession(); |
| Locale locale = getLocale(request); |
| |
| // Create a form bean containing the requested MBean Names |
| String databaseName = |
| URLDecoder.decode(request.getParameter("databaseName")); |
| GroupsForm groupsForm = null; |
| try { |
| groupsForm = UserUtils.getGroupsForm(mserver, databaseName); |
| } catch (Exception e) { |
| getServlet().log(resources.getMessage |
| (locale, |
| "users.error.attribute.get", "groups"), e); |
| response.sendError |
| (HttpServletResponse.SC_INTERNAL_SERVER_ERROR, |
| resources.getMessage |
| (locale, "users.error.attribute.get", "groups")); |
| return null; |
| } |
| |
| // Stash the results in request scope |
| request.setAttribute("groupsForm", groupsForm); |
| saveToken(request); |
| String forward = |
| URLDecoder.decode(request.getParameter("forward")); |
| return (mapping.findForward(forward)); |
| |
| } |
| |
| } |