/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2013, 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.jmx;
import javax.management.InstanceNotFoundException;
import javax.management.MBeanRegistrationException;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.core.Context;
import ch.qos.logback.core.status.StatusUtil;
public class MBeanUtil {
static final String DOMAIN = "ch.qos.logback.classic";
static public String getObjectNameFor(String contextName, Class type) {
return DOMAIN + ":Name=" + contextName + ",Type="
+ type.getName();
}
public static ObjectName string2ObjectName(Context context, Object caller,
String objectNameAsStr) {
String msg = "Failed to convert [" + objectNameAsStr + "] to ObjectName";
StatusUtil statusUtil = new StatusUtil(context);
try {
return new ObjectName(objectNameAsStr);
} catch (MalformedObjectNameException e) {
statusUtil.addError(caller, msg, e);
return null;
} catch (NullPointerException e) {
statusUtil.addError(caller, msg, e);
return null;
}
}
public static boolean isRegistered(MBeanServer mbs, ObjectName objectName) {
return mbs.isRegistered(objectName);
}
public static void createAndRegisterJMXConfigurator(
MBeanServer mbs, LoggerContext loggerContext,
JMXConfigurator jmxConfigurator, ObjectName objectName, Object caller) {
try {
mbs.registerMBean(jmxConfigurator, objectName);
} catch (Exception e) {
StatusUtil statusUtil = new StatusUtil(loggerContext);
statusUtil.addError(caller, "Failed to create mbean", e);
}
}
public static void unregister(LoggerContext loggerContext, MBeanServer mbs,
ObjectName objectName, Object caller) {
StatusUtil statusUtil = new StatusUtil(loggerContext);
if (mbs.isRegistered(objectName)) {
try {
statusUtil.addInfo(caller, "Unregistering mbean ["
+ objectName + "]");
mbs.unregisterMBean(objectName);
} catch (InstanceNotFoundException e) {
// this is theoretically impossible
statusUtil.addError(caller, "Failed to unregister mbean"
+ objectName, e);
} catch (MBeanRegistrationException e) {
// this is theoretically impossible
statusUtil.addError(caller, "Failed to unregister mbean"
+ objectName, e);
}
} else {
statusUtil.addInfo(caller, "mbean [" + objectName
+ "] does not seem to be registered");
}
}
}