/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.gatein.management.core.spi;
import org.gatein.common.logging.Logger;
import org.gatein.common.logging.LoggerFactory;
import org.gatein.management.api.ComponentRegistration;
import org.gatein.management.api.ManagedDescription;
import org.gatein.management.api.ManagedResource;
import org.gatein.management.api.annotations.Managed;
import org.gatein.management.api.binding.BindingProvider;
import org.gatein.management.api.operation.OperationNames;
import org.gatein.management.core.api.AbstractManagedResource;
import org.gatein.management.core.api.ManagementProviders;
import org.gatein.management.core.api.operation.global.ExportResource;
import org.gatein.management.core.api.operation.global.GlobalOperationHandlers;
import org.gatein.management.spi.ExtensionContext;
/**
* @author <a href="mailto:nscavell@redhat.com">Nick Scavelli</a>
* @version $Revision$
*/
public class ExtensionContextImpl implements ExtensionContext
{
private static final Logger log = LoggerFactory.getLogger("org.gatein.management.core.spi");
private final AbstractManagedResource rootResource;
private final ManagementProviders providers;
public ExtensionContextImpl(AbstractManagedResource rootResource, ManagementProviders providers)
{
this.rootResource = rootResource;
this.providers = providers;
}
@Override
public ComponentRegistration registerManagedComponent(final String name) throws IllegalArgumentException
{
if (name == null) throw new IllegalArgumentException("name is null");
return new ComponentRegistration()
{
@Override
public ManagedResource.Registration registerManagedResource(ManagedDescription description)
{
ManagedResource.Registration registration = rootResource.registerSubResource(name, description);
registration.registerOperationHandler(OperationNames.EXPORT_RESOURCE, GlobalOperationHandlers.EXPORT_RESOURCE, ExportResource.DESCRIPTION, true);
return registration;
}
@Override
public void registerBindingProvider(BindingProvider bindingProvider)
{
providers.register(name, bindingProvider);
}
};
}
@Override
public ComponentRegistration registerManagedComponent(Class<?> component)
{
boolean debug = log.isDebugEnabled();
if (debug) log.debug("Processing managed annotations for class " + component);
Managed managed = component.getAnnotation(Managed.class);
if (managed == null) throw new RuntimeException(Managed.class + " annotation not present on " + component);
String componentName = managed.value();
if ("".equals(componentName)) throw new RuntimeException(Managed.class + " annotation must have a value (path) for component class " + component);
if (debug) log.debug("Registering managed component " + componentName);
ComponentRegistration registration = registerManagedComponent(componentName);
registration.registerManagedResource(description(managed.description()));
// Register resources & operations
AnnotatedResource annotatedResource = new AnnotatedResource(component);
annotatedResource.register(rootResource);
return registration;
}
private ManagedDescription description(final String description)
{
return new ManagedDescription()
{
@Override
public String getDescription()
{
return description;
}
};
}
}