/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.console.plugins.monitor;
import java.io.IOException;
import java.util.ArrayList;
import javax.management.Attribute;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.jboss.logging.Logger;
import org.jboss.mx.util.MBeanServerLocator;
/**
* Created by IntelliJ IDEA.
* User: wburke
* Date: Nov 25, 2003
* Time: 5:53:01 PM
* To change this template use Options | File Templates.
*/
public class ManageStringThresholdMonitorServlet extends javax.servlet.http.HttpServlet
{
static final long serialVersionUID = -7203943908702660859L;
private static final Logger log = Logger.getLogger(ManageStringThresholdMonitorServlet.class);
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException
{
doit(req, resp);
}
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException
{
doit(req, resp);
}
protected void error(String msg, HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException
{
req.setAttribute("error", "Error: " + msg);
//this.getServletContext().getRequestDispatcher("/createThresholdMonitor.jsp").forward(req, resp);
req.getRequestDispatcher("/manageThresholdMonitor.jsp").forward(req, resp);
return;
}
protected void doit(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException
{
String action = req.getParameter("action");
if (action == null)
{
error("unknown action: ", req, resp);
return;
}
String monitorName = req.getParameter("monitorName").trim();
MBeanServer mbeanServer = MBeanServerLocator.locateJBoss();
ObjectName monitorObjectName, oname = null;
String attribute = null;
try
{
monitorObjectName = new ObjectName(req.getParameter("monitorObjectName"));
}
catch (Exception ex)
{
error("Malformed Monitor ObjectName: " + req.getParameter("monitorObjectName"), req, resp);
return;
}
if (action.trim().equals("Clear Alert"))
{
try
{
log.debug("Clearing Alert for monitor: " + monitorObjectName.toString());
String[] signature = {};
Object[] args = {};
mbeanServer.invoke(monitorObjectName, "clearAlert", args, signature);
req.setAttribute("error", "Alert cleared");
req.getRequestDispatcher("/manageStringThresholdMonitor.jsp").forward(req, resp);
return;
}
catch (Exception ex)
{
error("Failed to Clear Alert: " + ex.toString(), req, resp);
return;
}
}
else if (action.trim().equals("Remove Monitor"))
{
try
{
log.debug("removing monitor: " + monitorObjectName.toString());
Object[] args = {"monitors", monitorName, "-service.xml"};
String[] signature = {"java.lang.String", "java.lang.String", "java.lang.String"};
mbeanServer.invoke(new ObjectName("jboss.admin:service=DeploymentFileRepository"), "remove", args, signature);
req.getRequestDispatcher("/ServerInfo.jsp").forward(req, resp);
}
catch (Exception ex)
{
error("Failed to Remove Monitor: " + ex.toString(), req, resp);
}
return;
}
try
{
monitorObjectName = new ObjectName(req.getParameter("monitorObjectName"));
oname = (ObjectName) mbeanServer.getAttribute(monitorObjectName, "ObservedObject");
attribute = (String) mbeanServer.getAttribute(monitorObjectName, "ObservedAttribute");
}
catch (Exception ex)
{
error("Malformed Monitor ObjectName: " + req.getParameter("monitorObjectName"), req, resp);
return;
}
String threshold = req.getParameter("threshold").trim();
log.debug(threshold);
boolean enabled = req.getParameter("enabled") != null;
log.debug("Enabled: " + enabled);
boolean persisted = req.getParameter("persisted") != null;
boolean equality = req.getParameter("equality") != null;
log.debug("Persisted: " + persisted);
String period = req.getParameter("period").trim();
log.debug(period);
long timePeriod = 0;
try
{
timePeriod = Long.parseLong(period);
}
catch (NumberFormatException e)
{
error("Illegal format for watch period.", req, resp);
return;
}
String[] alerts = req.getParameterValues("alerts");
if (alerts == null)
{
error("you must select at least one alert listener", req, resp);
return;
}
try
{
mbeanServer.setAttribute(monitorObjectName, new Attribute("Threshold", threshold));
mbeanServer.setAttribute(monitorObjectName, new Attribute("Enabled", new Boolean(enabled)));
mbeanServer.setAttribute(monitorObjectName, new Attribute("Period", new Long(timePeriod)));
mbeanServer.setAttribute(monitorObjectName, new Attribute("EqualityTriggersAlert", new Boolean(equality)));
ArrayList list = new ArrayList();
for (int i = 0; i < alerts.length; i++)
{
list.add(new ObjectName(alerts[i]));
}
mbeanServer.setAttribute(monitorObjectName, new Attribute("AlertListeners", list));
}
catch (Exception ex)
{
error("Failed to update mbean monitor: " + ex.toString(), req, resp);
return;
}
if (persisted)
{
try
{
Object[] args = {"monitors", monitorName, "-service.xml"};
String[] signature = {"java.lang.String", "java.lang.String", "java.lang.String"};
Object rtn = mbeanServer.invoke(new ObjectName("jboss.admin:service=DeploymentFileRepository"), "isStored", args, signature);
if (!((Boolean) rtn).booleanValue())
{
error("Monitor with this name doesn't exist in repository", req, resp);
return;
}
}
catch (Exception ex)
{
error("Failed to determine if monitor with that name already exists: " + ex.toString(), req, resp);
return;
}
StringBuffer xml = new StringBuffer("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
xml.append("<server>\n");
xml.append("<mbean code=\"org.jboss.monitor.StringThresholdMonitor\"\n");
xml.append(" name=\"jboss.monitor:service=" + monitorName.replace(' ', '_') + "\">\n");
xml.append(" <attribute name=\"MonitorName\">" + monitorName + "</attribute>\n");
try
{
if (mbeanServer.isInstanceOf(oname, "org.jboss.system.ServiceMBean"))
{
xml.append(" <depends optional-attribute-name=\"ObservedObject\">" + oname + "</depends>\n");
}
else
{
xml.append(" <attribute name=\"ObservedObject\">" + oname + "</attribute>\n");
}
}
catch (Exception ex)
{
error("failed creating service: " + ex.toString(), req, resp);
return;
}
xml.append(" <attribute name=\"ObservedAttribute\">" + attribute + "</attribute>\n");
xml.append(" <depends-list optional-attribute-name=\"AlertListeners\">\n");
for (int i = 0; i < alerts.length; i++)
{
xml.append(" <depends-list-element>");
xml.append(alerts[i].trim());
xml.append(" </depends-list-element>\n");
}
xml.append(" </depends-list>\n");
xml.append(" <attribute name=\"Threshold\">" + threshold + "</attribute>\n");
xml.append(" <attribute name=\"Period\">" + timePeriod + "</attribute>\n");
xml.append(" <attribute name=\"EqualityTriggersAlert\">" + equality + "</attribute>\n");
xml.append(" <attribute name=\"Enabled\">" + enabled + "</attribute>\n");
xml.append("</mbean>\n</server>");
try
{
Object[] args = {"monitors", monitorName, "-service.xml", xml.toString(), Boolean.TRUE};
String[] signature = {"java.lang.String", "java.lang.String", "java.lang.String", "java.lang.String", "boolean"};
mbeanServer.invoke(new ObjectName("jboss.admin:service=DeploymentFileRepository"), "store", args, signature);
}
catch (Exception ex)
{
error("Failed to create persisted file: " + ex.toString(), req, resp);
return;
}
}
req.setAttribute("error", "Update complete!");
req.getRequestDispatcher("/manageThresholdMonitor.jsp").forward(req, resp);
}
}
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