/*
* 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.jboss.as.logging;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import static org.jboss.as.logging.CommonAttributes.NAME;
import static org.jboss.as.logging.CommonAttributes.SUBHANDLERS;
import static org.jboss.as.logging.LoggingMessages.MESSAGES;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.ServiceVerificationHandler;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceRegistry;
import org.jboss.msc.value.InjectedValue;
import java.util.List;
import java.util.logging.Handler;
/**
* Operation responsible assigning a subhandler to an async handler.
*
* @author Stan Silvert
*/
public class AsyncHandlerAssignSubhandler extends AbstractLogHandlerAssignmentHandler {
static final String OPERATION_NAME = "assign-subhandler";
static final AsyncHandlerAssignSubhandler INSTANCE = new AsyncHandlerAssignSubhandler();
@Override
protected void updateModel(ModelNode operation, ModelNode model) throws OperationFailedException {
NAME.validateAndSet(operation, model);
updateHandlersForAssign(SUBHANDLERS, operation, model);
}
@Override
protected void performRuntime(final OperationContext context, final ModelNode operation, final ModelNode model,
final ServiceVerificationHandler verificationHandler, final List<ServiceController<?>> newControllers) throws OperationFailedException {
PathAddress address = PathAddress.pathAddress(operation.require(OP_ADDR));
String asyncHandlerName = address.getLastElement().getValue();
String handlerNameToAdd = NAME.resolveModelAttribute(context, model).asString();
addHandler(context, asyncHandlerName, handlerNameToAdd);
}
@Override
protected String getHandlerName(final ModelNode model) throws OperationFailedException {
return NAME.validateOperation(model).asString();
}
/**
* Adds the handler, represented by the {@code handlerNameToRemove} parameter, from the async handler.
*
* @param context the context of the operation.
* @param asyncHandlerName the async handler name.
* @param handlerNameToAdd the name of the handler to add.
*
* @throws OperationFailedException if an error occurs.
*/
public static void addHandler(final OperationContext context, final String asyncHandlerName, final String handlerNameToAdd) throws OperationFailedException {
final ServiceRegistry serviceRegistry = context.getServiceRegistry(true);
@SuppressWarnings("unchecked")
final ServiceController<Handler> asyncHandlerController = (ServiceController<Handler>) serviceRegistry.getService(LogServices.handlerName(asyncHandlerName));
@SuppressWarnings("unchecked")
final ServiceController<Handler> handlerToAssignController = (ServiceController<Handler>) serviceRegistry.getService(LogServices.handlerName(handlerNameToAdd));
if (handlerToAssignController == null) {
throw createFailureMessage(MESSAGES.handlerNotFound(handlerNameToAdd));
}
final AsyncHandlerService service = AsyncHandlerService.class.cast(asyncHandlerController.getService());
final InjectedValue<Handler> injectedHandler = new InjectedValue<Handler>();
injectedHandler.inject(handlerToAssignController.getValue());
service.addHandler(injectedHandler);
}
/**
* Adds the subhandlers to the async handler.
*
* @param attribute the attribute definition.
* @param node the model node to extract the subhandlers from.
* @param context the context of the operation.
*
* @throws OperationFailedException if an error occurs.
*/
public static void addHandlers(final AttributeDefinition attribute, final ModelNode node, final OperationContext context,
final String asyncHandlerName) throws OperationFailedException {
final ModelNode handlers = attribute.resolveModelAttribute(context, node);
if (handlers.isDefined()) {
if (handlers.getType() == ModelType.LIST) {
for (ModelNode handler : handlers.asList()) {
addHandler(context, asyncHandlerName, handler.asString());
}
}
}
}
}