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package com.sun.enterprise.ee.admin.mbeans;
import java.lang.IllegalArgumentException;
//JMX imports
import javax.management.AttributeList;
import javax.management.Attribute;
import javax.management.MBeanException;
import javax.management.ReflectionException;
import javax.management.AttributeNotFoundException;
import javax.management.modelmbean.ModelMBeanInfo;
import com.sun.enterprise.admin.meta.MBeanRegistryFactory;
//event handling
import com.sun.enterprise.admin.event.EventContext;
import com.sun.enterprise.admin.event.DynamicReconfigEvent;
//config imports
import com.sun.enterprise.admin.MBeanHelper;
import com.sun.enterprise.config.serverbeans.ServerTags;
import com.sun.enterprise.admin.AdminContext;
import com.sun.enterprise.ee.admin.ExceptionHandler;
// Logging
import java.util.logging.Level;
import java.util.logging.Logger;
import com.sun.logging.ee.EELogDomains;
import com.sun.enterprise.ee.admin.proxy.NodeAgentProxy;
import com.sun.enterprise.ee.admin.mbeanapi.NodeAgentMBean;
import com.sun.enterprise.config.ConfigException;
import com.sun.enterprise.ee.admin.servermgmt.AgentException;
/**
* Represents the common functionality for node-agent/log-service and
* node-agent/log-service/module-log-levels element in the domain.xml
*
* @author Satish Viswanatham
*/
public class BaseNodeAgentLogMBean extends EEBaseConfigMBean
{
private static Logger _logger = null;
private static ExceptionHandler _handler = null;
//The logger is used to log to server log file
protected static Logger getLogger()
{
if (_logger == null) {
_logger = Logger.getLogger(EELogDomains.EE_ADMIN_LOGGER);
}
return _logger;
}
/**
* If any of attribute(s) is(are) changed, domain.xml is flushed to disk.
* Node Agent is informed. Call synchronizeWithDAS on Node Agent MBean.
*
* @param attrList A list of attributes: The identification of
* the attributes to be set and the values they are to
* be set to.
* @return The list of attributes that were set, with their new values.
*/
public AttributeList setAttributes(AttributeList list) {
list = super.setAttributes(list);
informNodeAgent();
return list;
}
/**
* Set the value of a specific attribute of this MBean.
* domain.xml is flushed to disk.
* Node Agent is informed. Call synchronizeWithDAS on Node Agent MBean.
*
* @param attr The identification of the attribute to be set
* and the new value
*
* @exception AttributeNotFoundException if this attribute is not
* supported by this MBean
* @exception MBeanException if the initializer of an object
* throws an exception
* @exception ReflectionException if a Java reflection exception
* occurs when invoking the getter
*/
public void setAttribute(Attribute attr)
throws AttributeNotFoundException, MBeanException, ReflectionException
{
super.setAttribute(attr);
informNodeAgent();
}
private void informNodeAgent() {
String agentName = null;
try {
agentName = getNodeAgentName();
// do the context flush
flushAll();
// call node agent mbean to synchronize
NodeAgentMBean agentMBean = NodeAgentProxy.getNodeAgentProxy(
agentName);
agentMBean.synchronizeWithDAS();
} catch(ConfigException ce) {
getLogger().log(Level.WARNING,"eeadmin.nodeagentconfig.flush_failed");
} catch(AgentException ae) {
getLogger().log(Level.WARNING,"eeadmin.nodeagentconfig.agent_exp",
agentName);
} catch(MBeanException mbe) {
getLogger().log(Level.WARNING,"eeadmin.nodeagentconfig.mbean_exp" , mbe);
}
}
//The exception handler is used to parse and log exceptions
protected static ExceptionHandler getExceptionHandler()
{
if (_handler == null) {
_handler = new ExceptionHandler(getLogger());
}
return _handler;
}
private String getNodeAgentName() throws AgentException
{
try {
String[] locs = MBeanHelper.getLocation(
(ModelMBeanInfo)getMBeanInfo());
return locs[1];
} catch (Exception ex) {
throw getExceptionHandler().handleAgentException(ex,
"nodeagent.NodeAgentConfigMBean.Exception", "unknown");
}
}
}