/*
* 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 org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.ServiceVerificationHandler;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import static org.jboss.as.logging.CommonAttributes.RELATIVE_TO;
import org.jboss.as.server.services.path.AbstractPathService;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.AbstractServiceListener;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceRegistry;
import org.jboss.msc.service.ServiceTarget;
/**
* Operation responsible for changing the file attributes of file based logging handlers.
*
* @author John Bailey
*/
public class HandlerFileChange implements OperationStepHandler {
static final String OPERATION_NAME = "change-file";
static final HandlerFileChange INSTANCE = new HandlerFileChange();
public void execute(final OperationContext context, final ModelNode operation) {
final ModelNode existingFile = context.readModelForUpdate(PathAddress.EMPTY_ADDRESS).get(CommonAttributes.FILE);
existingFile.get(CommonAttributes.PATH).set(operation.get(CommonAttributes.PATH));
if (existingFile.hasDefined(CommonAttributes.RELATIVE_TO)) {
existingFile.get(CommonAttributes.RELATIVE_TO).set(operation.get(CommonAttributes.RELATIVE_TO));
}
final PathAddress address = PathAddress.pathAddress(operation.get(OP_ADDR));
final String name = address.getLastElement().getValue();
if (context.getType() == OperationContext.Type.SERVER) {
context.addStep(new OperationStepHandler() {
public void execute(final OperationContext context, final ModelNode operation) {
final ServiceRegistry serviceRegistry = context.getServiceRegistry(false);
final ServiceTarget serviceTarget = context.getServiceTarget();
final ServiceController<?> controller = serviceRegistry.getService(LogServices.handlerFileName(name));
if (controller != null) {
controller.addListener(new AbstractServiceListener<Object>() {
public void listenerAdded(ServiceController<?> controller) {
controller.setMode(ServiceController.Mode.REMOVE);
}
public void serviceRemoved(ServiceController<?> controller) {
installService(context, operation, serviceTarget, name);
}
});
} else {
installService(context, operation, serviceTarget, name);
}
}
}, OperationContext.Stage.RUNTIME);
}
context.completeStep();
}
private void installService(OperationContext context, ModelNode operation, ServiceTarget serviceTarget, String name) {
final ServiceVerificationHandler verificationHandler = new ServiceVerificationHandler();
final HandlerFileService service = new HandlerFileService(operation.get(CommonAttributes.PATH).asString());
final ServiceBuilder<?> builder = serviceTarget.addService(LogServices.handlerFileName(name), service);
if (operation.hasDefined(CommonAttributes.RELATIVE_TO)) {
builder.addDependency(AbstractPathService.pathNameOf(operation.get(RELATIVE_TO).asString()), String.class, service.getRelativeToInjector());
}
builder.setInitialMode(ServiceController.Mode.ACTIVE)
.addListener(verificationHandler).install();
context.addStep(verificationHandler, OperationContext.Stage.VERIFY);
if (context.completeStep() == OperationContext.ResultAction.ROLLBACK) {
context.removeService(LogServices.handlerFileName(name));
}
}
}