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This module contains the Metro runtime code.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2007-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
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* enclosed by brackets [] replaced by your own identifying information:
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*/
package org.glassfish.gmbal ;
import java.lang.reflect.Method ;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.glassfish.gmbal.util.GenericConstructor ;
import javax.management.ObjectName;
/** Factory used to create ManagedObjectManager instances.
*/
public final class ManagedObjectManagerFactory {
private ManagedObjectManagerFactory() {}
private static GenericConstructor objectNameCons =
new GenericConstructor(
ManagedObjectManager.class,
"org.glassfish.gmbal.impl.ManagedObjectManagerImpl",
ObjectName.class ) ;
private static GenericConstructor stringCons =
new GenericConstructor(
ManagedObjectManager.class,
"org.glassfish.gmbal.impl.ManagedObjectManagerImpl",
String.class ) ;
/** Convenience method for getting access to a method through reflection.
* Same as Class.getDeclaredMethod, but only throws RuntimeExceptions.
* @param cls The class to search for a method.
* @param name The method name.
* @param types The array of argument types.
* @return The Method if found.
* @throws GmbalException if no such method is found.
*/
public static Method getMethod( final Class cls, final String name,
final Class... types ) {
try {
return AccessController.doPrivileged(
new PrivilegedExceptionAction() {
public Method run() throws Exception {
return cls.getDeclaredMethod(name, types);
}
});
} catch (PrivilegedActionException ex) {
throw new GmbalException( "Unexpected exception", ex ) ;
} catch (SecurityException exc) {
throw new GmbalException( "Unexpected exception", exc ) ;
}
}
/** Create a new ManagedObjectManager. All objectnames created will share
* the domain value passed on this call. This ManagedObjectManager is
* at the top of the containment hierarchy: the parent of the root is null.
* @param domain The domain to use for all ObjectNames created when
* MBeans are registered.
* @return A new ManagedObjectManager.
*/
public static ManagedObjectManager createStandalone(
final String domain ) {
ManagedObjectManager result = stringCons.create( domain ) ;
if (result == null) {
return ManagedObjectManagerNOPImpl.self ;
} else {
return result ;
}
}
/** Alternative form of the create method to be used when the
* rootName is not needed explicitly. If the root name is available
* from an @ObjectNameKey annotation, it is used; otherwise the
* type is used as the name, since the root is a singleton.
*
* @param rootParentName The JMX ObjectName of the parent of the root.
* The parent is outside of the control of this ManagedObjectManager.
* The ManagedObjectManager root is a child of the MBean identified
* by the rootParentName.
* @return The ManagedObjectManager.
*/
public static ManagedObjectManager createFederated(
final ObjectName rootParentName ) {
ManagedObjectManager result = objectNameCons.create( rootParentName ) ;
if (result == null) {
return ManagedObjectManagerNOPImpl.self ;
} else {
return result ;
}
}
/** Return a ManagedObjectManager that performs no operations. Useful to
* allow the same code to run with or without creating MBeans through
* gmbal.
* @return ManagedObjectManager that performs no operations.
*/
public static ManagedObjectManager createNOOP() {
return ManagedObjectManagerNOPImpl.self ;
}
}