/*
* 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.osgi.management;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.osgi.parser.OSGiRootResource;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
import org.jboss.osgi.framework.Services;
import org.osgi.framework.Bundle;
import org.osgi.framework.startlevel.FrameworkStartLevel;
/**
* Handles the framework start level.
*
* @author David Bosschaert
* @author Thomas.Diesler@jboss.com
*/
public abstract class StartLevelHandler implements OperationStepHandler {
public static final StartLevelHandler READ_HANDLER = new StartLevelHandler() {
@Override
void invokeOperation(Bundle sysbundle, OperationContext context, ModelNode operation) {
FrameworkStartLevel frameworkStartLevel = sysbundle.adapt(FrameworkStartLevel.class);
int startlevel = frameworkStartLevel.getStartLevel();
context.getResult().set(startlevel);
}
};
public static final StartLevelHandler WRITE_HANDLER = new StartLevelHandler() {
@Override
void invokeOperation(Bundle sysbundle, OperationContext context, ModelNode operation) throws OperationFailedException {
ModelNode value = operation.require(ModelDescriptionConstants.VALUE);
OSGiRootResource.STARTLEVEL.getValidator().validateParameter(ModelDescriptionConstants.VALUE, value);
int startlevel = value.asInt();
FrameworkStartLevel frameworkStartLevel = sysbundle.adapt(FrameworkStartLevel.class);
frameworkStartLevel.setStartLevel(startlevel);
}
};
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
ServiceController<?> controller = context.getServiceRegistry(false).getService(Services.SYSTEM_BUNDLE);
if (controller != null && controller.getState() == ServiceController.State.UP) {
Bundle sysbundle = (Bundle) controller.getValue();
invokeOperation(sysbundle, context, operation);
} else {
// non-metric read-attribute handlers should not fail
context.getResult().set(new ModelNode());
}
context.completeStep(OperationContext.RollbackHandler.NOOP_ROLLBACK_HANDLER);
}
abstract void invokeOperation(Bundle sysbundle, OperationContext context, ModelNode operation) throws OperationFailedException ;
}