| /* |
| * Copyright 2001-2002,2004 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.connector; |
| |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.TreeSet; |
| import java.util.Set; |
| import java.util.ArrayList; |
| 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.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 org.apache.struts.util.MessageResources; |
| |
| import org.apache.webapp.admin.ApplicationServlet; |
| import org.apache.webapp.admin.TomcatTreeBuilder; |
| |
| /** |
| * The <code>Action</code> that sets up <em>Delete Connectors</em> transactions. |
| * |
| * @author Manveen Kaur |
| * @version $Revision$ $Date$ |
| */ |
| |
| public class DeleteConnectorAction extends Action { |
| |
| /** |
| * The MBeanServer we will be interacting with. |
| */ |
| private MBeanServer mBServer = 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 { |
| |
| |
| // Acquire the resources that we need |
| HttpSession session = request.getSession(); |
| Locale locale = getLocale(request); |
| MessageResources resources = getResources(request); |
| |
| // Acquire a reference to the MBeanServer containing our MBeans |
| try { |
| mBServer = ((ApplicationServlet) getServlet()).getServer(); |
| } catch (Throwable t) { |
| throw new ServletException |
| ("Cannot acquire MBeanServer reference", t); |
| } |
| |
| String domain = null; |
| // Set up a form bean containing the currently selected |
| // objects to be deleted |
| ConnectorsForm connectorsForm = new ConnectorsForm(); |
| String select = request.getParameter("select"); |
| if (select != null) { |
| String connectors[] = new String[1]; |
| connectors[0] = select; |
| connectorsForm.setConnectors(connectors); |
| |
| // get the service Name this selected host belongs to |
| try { |
| domain = (new ObjectName(select)).getDomain(); |
| } catch (Exception e) { |
| throw new ServletException |
| ("Error extracting service name from the connector to be deleted", e); |
| } |
| } |
| request.setAttribute("connectorsForm", connectorsForm); |
| |
| // Accumulate a list of all available connectors |
| ArrayList list = new ArrayList(); |
| try { |
| String pattern = domain + TomcatTreeBuilder.CONNECTOR_TYPE + |
| TomcatTreeBuilder.WILDCARD; |
| Iterator items = |
| mBServer.queryNames(new ObjectName(pattern), null).iterator(); |
| while (items.hasNext()) { |
| Object item = items.next(); |
| list.add(item.toString()); |
| } |
| } catch (Exception e) { |
| getServlet().log |
| (resources.getMessage(locale, "users.error.select")); |
| response.sendError |
| (HttpServletResponse.SC_INTERNAL_SERVER_ERROR, |
| resources.getMessage(locale, "users.error.select")); |
| return (null); |
| } |
| Collections.sort(list); |
| request.setAttribute("connectorsList", list); |
| |
| // Forward to the list display page |
| return (mapping.findForward("Connectors")); |
| } |
| } |