/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, 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.server.deployment.scanner;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import static org.jboss.as.server.deployment.scanner.DeploymentScannerMessages.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.server.deployment.scanner.api.DeploymentScanner;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
/**
* Base class for write-attribute handlers that change an installed {@code DeploymentScanner}.
*
* @author Brian Stansberry
*/
abstract class AbstractWriteAttributeHandler extends org.jboss.as.controller.AbstractWriteAttributeHandler<DeploymentScanner> {
AbstractWriteAttributeHandler(AttributeDefinition attributeDefinition) {
super(attributeDefinition);
}
@Override
protected boolean applyUpdateToRuntime(final OperationContext context, final ModelNode operation,
final String attributeName, final ModelNode newValue, final ModelNode currentValue,
final HandbackHolder<DeploymentScanner> handbackHolder) throws OperationFailedException {
final PathAddress address = PathAddress.pathAddress(operation.require(OP_ADDR));
final String name = address.getLastElement().getValue();
final ServiceController<?> controller = context.getServiceRegistry(false).getService(DeploymentScannerService.getServiceName(name));
if (controller == null) {
throw new OperationFailedException(new ModelNode().set(MESSAGES.scannerNotConfigured()));
} else {
DeploymentScanner scanner = (DeploymentScanner) controller.getValue();
updateScanner(scanner, newValue);
handbackHolder.setHandback(scanner);
}
return false;
}
@Override
protected void revertUpdateToRuntime(OperationContext context, ModelNode operation, String attributeName,
ModelNode valueToRestore, ModelNode valueToRevert, DeploymentScanner handback) throws OperationFailedException {
updateScanner(handback, valueToRestore.resolve());
}
protected abstract void updateScanner(DeploymentScanner scanner, ModelNode newValue);
}