org.openqa.jetty.jetty.servlet.jmx.ConfigurationMBean Maven / Gradle / Ivy
//========================================================================
//$Id: ConfigurationMBean.java,v 1.2 2005/08/13 00:01:27 gregwilkins Exp $
//Copyright 2000-2004 Mort Bay Consulting Pty. Ltd.
//------------------------------------------------------------------------
//Licensed 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.openqa.jetty.jetty.servlet.jmx;
import javax.management.MBeanException;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import org.apache.commons.logging.Log;
import org.openqa.jetty.log.LogFactory;
import org.openqa.jetty.jetty.servlet.WebApplicationContext.Configuration;
import org.openqa.jetty.util.LogSupport;
import org.openqa.jetty.util.jmx.ModelMBeanImpl;
/**
*
* ConfigurationMBean
*
* MBean proxy for a WebApplicationContext.Configuration object.
*
* @author janb
* @version $Revision: 1.2 $ $Date: 2005/08/13 00:01:27 $
*
*/
public class ConfigurationMBean extends ModelMBeanImpl
{
private static final Log log = LogFactory.getLog(ConfigurationMBean.class);
protected Configuration _config = null;
public ConfigurationMBean()
throws MBeanException
{}
/**defineManagedResource
* Grab the object which this mbean is proxying for, which in
* this case is an org.openqa.jetty.jetty.servlet.WebApplicationContext.Configuration
* @see org.openqa.jetty.util.jmx.ModelMBeanImpl#defineManagedResource()
*/
protected void defineManagedResource()
{
super.defineManagedResource();
defineAttribute("name", READ_ONLY, ON_MBEAN);
_config=(Configuration)getManagedResource();
}
/**getName
* This method is only defined to satisfy JMX: it is non-compliant
* to have an mbean with no methods on it, so this method has been
* added as a workaround.
* @return classname of the Configuration instance
*/
public String getName ()
{
if (null==_config)
return null;
return _config.getClass().getName();
}
/**uniqueObjectName
* Make a unique jmx name for this configuration object
* @see org.openqa.jetty.util.jmx.ModelMBeanImpl#uniqueObjectName(javax.management.MBeanServer, java.lang.String)
*/
public synchronized ObjectName uniqueObjectName(MBeanServer server, String on)
{
ObjectName oName=null;
try{oName=new ObjectName(on+",config="+_config.getClass().getName());}
catch(Exception e){log.warn(LogSupport.EXCEPTION,e);}
return oName;
}
}