| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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; |
| |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import javax.management.MBeanServer; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| import org.apache.struts.action.Action; |
| import org.apache.struts.action.ActionForm; |
| import org.apache.struts.action.ActionForward; |
| import org.apache.struts.action.ActionMapping; |
| |
| |
| /** |
| * Simple debugging action that dumps a list of the MBeans that are |
| * visible in our MBeanServer. |
| * |
| * @author Craig R. McClanahan |
| * @version $Revision$ $Date$ |
| */ |
| |
| public final class DumpServerAction extends Action { |
| |
| |
| // --------------------------------------------------------- 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 { |
| |
| // Create a request attribute with our collection of MBeans |
| MBeanServer server = ((ApplicationServlet) getServlet()).getServer(); |
| Iterator names = server.queryNames(null, null).iterator(); |
| ArrayList list = new ArrayList(); |
| while (names.hasNext()) { |
| list.add(names.next().toString()); |
| } |
| Collections.sort(list); |
| request.setAttribute("names", list); |
| |
| // Forward to the corresponding display page |
| return (mapping.findForward("Dump Server Results")); |
| |
| } |
| |
| |
| } |