/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.jmx.remote;
import com.caucho.hessian.client.HessianProxyFactory;
import com.caucho.hessian.jmx.JMXSerializerFactory;
import javax.management.MBeanInfo;
import javax.management.ObjectName;
/**
* Client for mbeans.
*/
public class MBeanClient {
private String _url;
private RemoteJMX _jmxProxy;
/**
* Creates the MBeanClient.
*/
public MBeanClient()
{
}
/**
* Creates the MBeanClient.
*/
public MBeanClient(String url)
{
_url = url;
}
/**
* Sets the proxy
*/
public void setProxy(RemoteJMX proxy)
{
_jmxProxy = proxy;
}
/**
* Returns the mbean info
*/
public MBeanInfo getMBeanInfo(ObjectName objectName)
throws Exception
{
return getProxy().getMBeanInfo(objectName.getCanonicalName());
}
/**
* Gets an attribute.
*/
public Object getAttribute(ObjectName objectName, String attrName)
throws Exception
{
return getProxy().getAttribute(objectName.getCanonicalName(), attrName);
}
private RemoteJMX getProxy()
{
if (_jmxProxy == null) {
try {
HessianProxyFactory proxy = new HessianProxyFactory();
proxy.getSerializerFactory().addFactory(new JMXSerializerFactory());
_jmxProxy = (RemoteJMX) proxy.create(_url);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
return _jmxProxy;
}
}