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*
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*/
package org.glassfish.admin.mbeanserver;
import java.util.logging.Logger;
import javax.management.JMException;
import javax.management.MBeanServer;
import javax.management.StandardMBean;
import javax.management.ObjectName;
import javax.management.remote.JMXServiceURL;
import org.glassfish.external.amx.BootAMXMBean;
import org.glassfish.external.amx.AMXGlassfish;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.logging.annotation.LogMessageInfo;
/**
The MBean implementation for BootAMXMBean.
Public API is the name of the booter MBean eg {@link BootAMXMBean.OBJECT_NAME}
*/
final class BootAMX implements BootAMXMBean
{
private static final Logger JMX_LOGGER = Util.JMX_LOGGER;
private final MBeanServer mMBeanServer;
private final ObjectName mObjectName;
private final ServiceLocator mHabitat;
private ObjectName mDomainRootObjectName;
private static void debug(final String s)
{
System.out.println(s);
}
private BootAMX(
final ServiceLocator habitat,
final MBeanServer mbeanServer)
{
mHabitat = habitat;
mMBeanServer = mbeanServer;
mObjectName = getBootAMXMBeanObjectName();
mDomainRootObjectName = null;
if (mMBeanServer.isRegistered(mObjectName))
{
throw new IllegalStateException("AMX Booter MBean is already registered: " + mObjectName);
}
}
public static ObjectName getBootAMXMBeanObjectName()
{
return AMXGlassfish.DEFAULT.getBootAMXMBeanObjectName();
}
/**
Create an instance of the booter.
*/
public static synchronized BootAMX create(final ServiceLocator habitat, final MBeanServer server)
{
final BootAMX booter = new BootAMX(habitat, server);
final ObjectName objectName = getBootAMXMBeanObjectName();
try
{
final StandardMBean mbean = new StandardMBean(booter, BootAMXMBean.class);
if (!server.registerMBean(mbean, objectName).getObjectName().equals(objectName))
{
throw new IllegalStateException();
}
}
catch (JMException e)
{
e.printStackTrace();
throw new IllegalStateException(e);
}
return booter;
}
AMXStartupServiceMBean getLoader()
{
try
{
return mHabitat.getService(AMXStartupServiceMBean.class);
}
catch (Throwable t)
{
t.printStackTrace();
throw new RuntimeException(t);
}
}
/**
We need to dynamically load the AMX module. HOW? we can't depend on the amx-impl module.
For now though, assume that a well-known MBean is available through other means via
the amx-impl module.
*/
public synchronized ObjectName bootAMX()
{
if (mDomainRootObjectName == null)
{
getLoader();
final ObjectName startupON = AMXStartupServiceMBean.OBJECT_NAME;
if (!mMBeanServer.isRegistered(startupON))
{
//debug("Booter.bootAMX(): AMX MBean not yet available: " + startupON);
throw new IllegalStateException("AMX MBean not yet available: " + startupON);
}
try
{
//debug( "Booter.bootAMX: invoking loadAMXMBeans() on " + startupON);
mDomainRootObjectName = (ObjectName) mMBeanServer.invoke(startupON, "loadAMXMBeans", null, null);
//debug( "Booter.bootAMX: domainRoot = " + mDomainRootObjectName);
}
catch (final JMException e)
{
e.printStackTrace();
throw new RuntimeException(e);
}
}
return mDomainRootObjectName;
}
/**
Return the JMXServiceURLs for all connectors we've loaded.
*/
public JMXServiceURL[] getJMXServiceURLs()
{
return JMXStartupService.getJMXServiceURLs(mMBeanServer);
}
@LogMessageInfo(
message = "Error while shutting down AMX",
level = "WARNING")
static final String errorDuringShutdown = Util.LOG_PREFIX + "-00008";
public void shutdown()
{
try
{
mMBeanServer.unregisterMBean(getBootAMXMBeanObjectName());
}
catch( final Exception e )
{
Util.getLogger().log(java.util.logging.Level.WARNING, errorDuringShutdown, e);
}
}
}