001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.servicemix.web.jmx;
018
019 import org.apache.commons.logging.Log;
020 import org.apache.commons.logging.LogFactory;
021
022 import javax.management.JMException;
023 import javax.management.MBeanServer;
024 import javax.management.ObjectName;
025 import javax.management.QueryExp;
026 import javax.servlet.ServletException;
027 import javax.servlet.http.HttpServletRequest;
028 import javax.servlet.http.HttpServletResponse;
029
030 import java.io.IOException;
031 import java.util.Set;
032
033 /**
034 * Creates an XML response for one or more MBeans using an optional node in the
035 * JMX tree or query parameters.
036 *
037 * @version $Revision: 356269 $
038 */
039 public class JMXServlet extends JMXServletSupport {
040
041 private static final Log log = LogFactory.getLog(JMXServlet.class);
042 private static final long serialVersionUID = -5953322364144161756L;
043
044 protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
045 try {
046 MBeanServer beanServer = getMBeanServer();
047 ObjectName name = getObjectName(request);
048 QueryExp query = getQueryExp(request);
049
050 JMXWriter writer = new JMXWriter(response.getWriter(), getManagementContext());
051
052 String style = request.getParameter("style");
053 String view = request.getParameter("view");
054 if (view == null) {
055 view = "";
056 }
057
058 if (style != null && style.equals("html")) {
059 Set names = beanServer.queryNames(name, query);
060
061 if (log.isDebugEnabled()) {
062 log.debug("ObjectName: " + name);
063 log.debug("Query: " + query);
064 log.debug("Matches ObjectNames: " + names);
065 }
066
067 if (view.equals("properties")) {
068 writer.outputHtmlProperties(names);
069 }
070 else if (view.equals("attributes")) {
071 writer.outputHtmlAttributes(names);
072 }
073 else if (view.equals("flat")) {
074 writer.outputHtmlNames(names);
075 }
076 else {
077 writer.outputHtmlNamesByDomain(names);
078 }
079 }
080 else {
081 writer.outputHeader();
082 if (view.equals("bean")) {
083 Set mbeans = beanServer.queryMBeans(name, query);
084 writer.outputMBeans(mbeans);
085 }
086 else if (view.equals("detail")) {
087 Set names = beanServer.queryNames(name, query);
088 writer.outputDetail(names);
089 }
090 else {
091 Set names = beanServer.queryNames(name, query);
092 writer.outputNames(names);
093 }
094 writer.outputFooter();
095 }
096 }
097 catch (JMException e) {
098 throw new ServletException(e);
099 }
100 }
101 }