/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2009, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.classic.joran.action;
import java.lang.management.ManagementFactory;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import org.xml.sax.Attributes;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.jmx.JMXConfigurator;
import ch.qos.logback.classic.jmx.MBeanUtil;
import ch.qos.logback.core.joran.action.Action;
import ch.qos.logback.core.joran.spi.ActionException;
import ch.qos.logback.core.joran.spi.InterpretationContext;
import ch.qos.logback.core.util.OptionHelper;
public class JMXConfiguratorAction extends Action {
static final String OBJECT_NAME_ATTRIBUTE_NAME = "objectName";
static final String CONTEXT_NAME_ATTRIBUTE_NAME = "contextName";
static final char JMX_NAME_SEPARATOR = ',';
@Override
public void begin(InterpretationContext ec, String name, Attributes attributes)
throws ActionException {
addInfo("begin");
String contextName = context.getName();
String contextNameAttributeVal = attributes
.getValue(CONTEXT_NAME_ATTRIBUTE_NAME);
if(!OptionHelper.isEmpty(contextNameAttributeVal)) {
contextName = contextNameAttributeVal;
}
String objectNameAsStr;
String objectNameAttributeVal = attributes
.getValue(OBJECT_NAME_ATTRIBUTE_NAME);
if (OptionHelper.isEmpty(objectNameAttributeVal)) {
objectNameAsStr = MBeanUtil.getObjectNameFor(contextName,
JMXConfigurator.class);
} else {
objectNameAsStr = objectNameAttributeVal;
}
ObjectName objectName = MBeanUtil.string2ObjectName(context, this,
objectNameAsStr);
if (objectName == null) {
addError("Failed to for ObjectName for ["+objectNameAsStr+"]");
return;
}
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
if(!MBeanUtil.isRegistered(mbs, objectName)) {
// register only of the named JMXConfigurator has not been previously
// registered. Unregistering an MBean within invocation of itself
// caused jconsole to throw an NPE. (This occurs when the reload* method
// unregisters the
JMXConfigurator jmxConfigurator = new JMXConfigurator((LoggerContext) context, mbs,
objectName);
try {
mbs.registerMBean(jmxConfigurator, objectName);
} catch (Exception e) {
addError("Failed to create mbean", e);
}
}
}
@Override
public void end(InterpretationContext ec, String name) throws ActionException {
}
}