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Java > Open Source Codes > org > jboss > console > plugins > monitor > ClearMonitorAlertsServlet


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */
22 package org.jboss.console.plugins.monitor;
23
24 import org.jboss.monitor.ThresholdMonitor;
25 import org.jboss.mx.util.MBeanServerLocator;
26 import org.jboss.mx.util.InstanceOfQueryExp;
27
28 import javax.management.MBeanServer JavaDoc;
29 import javax.management.MalformedObjectNameException JavaDoc;
30 import javax.management.ObjectName JavaDoc;
31 import javax.servlet.ServletException JavaDoc;
32 import javax.servlet.http.HttpServletRequest JavaDoc;
33 import javax.servlet.http.HttpServletResponse JavaDoc;
34 import java.io.IOException JavaDoc;
35 import java.util.ArrayList JavaDoc;
36 import java.util.Set JavaDoc;
37 import java.util.Iterator JavaDoc;
38
39 /**
40  * Created by IntelliJ IDEA.
41  * User: wburke
42  * Date: Nov 25, 2003
43  * Time: 5:53:01 PM
44  * To change this template use Options | File Templates.
45  */
46 public class ClearMonitorAlertsServlet extends javax.servlet.http.HttpServlet JavaDoc
47 {
48    protected void doGet(HttpServletRequest JavaDoc req, HttpServletResponse JavaDoc resp)
49            throws ServletException JavaDoc, IOException JavaDoc
50    {
51       doit(req, resp);
52    }
53
54    protected void doPost(HttpServletRequest JavaDoc req, HttpServletResponse JavaDoc resp)
55            throws ServletException JavaDoc, IOException JavaDoc
56    {
57       doit(req, resp);
58    }
59
60    protected void doit(HttpServletRequest JavaDoc req, HttpServletResponse JavaDoc resp)
61            throws ServletException JavaDoc, IOException JavaDoc
62    {
63       try
64       {
65          MBeanServer JavaDoc mbeanServer = MBeanServerLocator.locateJBoss();
66          InstanceOfQueryExp queryExp = null;
67          queryExp = new InstanceOfQueryExp("org.jboss.monitor.JBossMonitorMBean");
68          Set JavaDoc monitors = mbeanServer.queryNames(null, queryExp);
69          Iterator JavaDoc mbeans = monitors.iterator();
70          while (mbeans.hasNext())
71          {
72             ObjectName JavaDoc moname = (ObjectName JavaDoc) mbeans.next();
73             Object JavaDoc[] nullArgs = {};
74             String JavaDoc[] nullSig = {};
75             boolean alerted = ((Boolean JavaDoc) mbeanServer.invoke(moname, "alerted", nullArgs, nullSig)).booleanValue();
76             if (alerted)
77             {
78                mbeanServer.invoke(moname, "clearAlert", nullArgs, nullSig);
79             }
80          }
81       }
82       catch (Exception JavaDoc ex)
83       {
84          req.setAttribute("error", "Error clearing alerts: " + ex.toString());
85       }
86       req.getRequestDispatcher("/listMonitors.jsp").forward(req, resp);
87    }
88
89 }
90
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