| /* |
| * 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.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.Locale; |
| 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.ActionErrors; |
| import org.apache.struts.action.ActionForm; |
| import org.apache.struts.action.ActionForward; |
| import org.apache.struts.action.ActionMapping; |
| import javax.management.Attribute; |
| import javax.management.MBeanServer; |
| import javax.management.MBeanServerFactory; |
| import javax.management.QueryExp; |
| import javax.management.Query; |
| import javax.management.ObjectInstance; |
| import javax.management.ObjectName; |
| import javax.management.JMException; |
| import javax.management.MBeanAttributeInfo; |
| import javax.management.MBeanOperationInfo; |
| import javax.management.MBeanInfo; |
| import org.apache.struts.util.MessageResources; |
| import org.apache.webapp.admin.ApplicationServlet; |
| |
| |
| /** |
| * <p>Implementation of <strong>Action</strong> that deletes the |
| * specified set of roles.</p> |
| * |
| * @author Craig R. McClanahan |
| * @version $Revision$ $Date$ |
| * @since 4.1 |
| */ |
| |
| public final class DeleteRolesAction 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 execute(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); |
| |
| // Has this transaction been cancelled? |
| if (isCancelled(request)) { |
| return (mapping.findForward("List Roles Setup")); |
| } |
| |
| // Check the transaction token |
| if (!isTokenValid(request)) { |
| response.sendError |
| (HttpServletResponse.SC_BAD_REQUEST, |
| resources.getMessage(locale, "users.error.token")); |
| return (null); |
| } |
| |
| // Perform any extra validation that is required |
| RolesForm rolesForm = (RolesForm) form; |
| String databaseName = rolesForm.getDatabaseName(); |
| String roles[] = rolesForm.getRoles(); |
| if (roles == null) { |
| roles = new String[0]; |
| } |
| |
| // Perform "Delete Role" transactions as required |
| try { |
| |
| ObjectName dname = new ObjectName(databaseName); |
| String signature[] = new String[1]; |
| signature[0] = "java.lang.String"; |
| Object params[] = new String[1]; |
| |
| for (int i = 0; i < roles.length; i++) { |
| ObjectName oname = new ObjectName(roles[i]); |
| params[0] = oname.getKeyProperty("rolename"); |
| mserver.invoke(dname, "removeRole", |
| params, signature); |
| } |
| |
| } catch (Throwable t) { |
| |
| getServlet().log |
| (resources.getMessage(locale, "users.error.invoke", |
| "removeRole"), t); |
| response.sendError |
| (HttpServletResponse.SC_INTERNAL_SERVER_ERROR, |
| resources.getMessage(locale, "users.error.invoke", |
| "removeRole")); |
| return (null); |
| |
| } |
| |
| // Save the updated database information |
| try { |
| |
| ObjectName dname = new ObjectName(databaseName); |
| mserver.invoke(dname, "save", |
| new Object[0], new String[0]); |
| |
| } catch (Throwable t) { |
| |
| getServlet().log |
| (resources.getMessage(locale, "users.error.invoke", |
| "save"), t); |
| response.sendError |
| (HttpServletResponse.SC_INTERNAL_SERVER_ERROR, |
| resources.getMessage(locale, "users.error.invoke", |
| "save")); |
| return (null); |
| |
| } |
| |
| // Proceed to the list roles screen |
| return (mapping.findForward("Roles List Setup")); |
| |
| } |
| |
| |
| } |