/*
* 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.api;
import org.gatein.common.logging.Logger;
import org.gatein.common.logging.LoggerFactory;
import org.gatein.management.api.ContentType;
import org.gatein.management.api.ManagedDescription;
import org.gatein.management.api.ManagedResource;
import org.gatein.management.api.ManagementService;
import org.gatein.management.api.PathAddress;
import org.gatein.management.api.binding.BindingException;
import org.gatein.management.api.binding.BindingProvider;
import org.gatein.management.api.binding.Marshaller;
import org.gatein.management.api.operation.OperationNames;
import org.gatein.management.core.api.binding.GlobalBindingProvider;
import org.gatein.management.core.api.operation.global.ExportResource;
import org.gatein.management.core.api.operation.global.GlobalOperationHandlers;
import org.gatein.management.core.spi.ExtensionContextImpl;
import org.gatein.management.spi.ExtensionContext;
import org.gatein.management.spi.ManagementExtension;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.ServiceLoader;
/**
* @author <a href="mailto:nscavell@redhat.com">Nick Scavelli</a>
* @version $Revision$
*/
public class ManagementServiceImpl implements ManagementService
{
private static final Logger log = LoggerFactory.getLogger(ManagementService.class);
private ManagedResource rootResource;
private List<ManagementExtension> extensions;
private Map<String, BindingProvider> bindingProviders;
private BindingProvider globalBindingProvider;
@Override
public ManagedResource getManagedResource(PathAddress address)
{
return rootResource.getSubResource(address);
}
@Override
public BindingProvider getBindingProvider(final String componentName)
{
return new BindingProvider()
{
@Override
public <T> Marshaller<T> getMarshaller(Class<T> type, ContentType contentType) throws BindingException
{
Marshaller<T> marshaller = null;
BindingProvider bp = bindingProviders.get(componentName);
if (bp != null)
{
marshaller = bp.getMarshaller(type, contentType);
}
if (marshaller == null)
{
marshaller = globalBindingProvider.getMarshaller(type, contentType);
}
return marshaller;
}
};
}
@Override
public void reloadExtensions()
{
unload();
load();
}
@Override
public void load()
{
extensions = new ArrayList<ManagementExtension>();
SimpleManagedResource resource = new SimpleManagedResource(null, null, new ManagedDescription()
{
@Override
public String getDescription()
{
return "Root management resource.";
}
});
Map<String, BindingProvider> map = new HashMap<String, BindingProvider>();
ExtensionContext context = new ExtensionContextImpl(resource, map);
ServiceLoader<ManagementExtension> loader = ServiceLoader.load(ManagementExtension.class);
for (ManagementExtension extension : loader)
{
extension.initialize(context);
extensions.add(extension);
}
log.debug("Successfully loaded " + extensions.size() + " management extension(s).");
initGlobalOperations(resource);
rootResource = resource;
bindingProviders = map;
globalBindingProvider = new GlobalBindingProvider();
}
@Override
public void unload()
{
if (extensions != null)
{
for (ManagementExtension extension : extensions)
{
extension.destroy();
}
extensions.clear();
}
rootResource = null;
}
private void initGlobalOperations(ManagedResource.Registration registration)
{
registration.registerOperationHandler(OperationNames.READ_RESOURCE, GlobalOperationHandlers.READ_RESOURCE, GlobalOperationHandlers.READ_RESOURCE, true);
}
}