/*
* 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.connector.subsystems.datasources;
import static org.jboss.as.connector.logging.ConnectorLogger.SUBSYSTEM_DATASOURCES_LOGGER;
import static org.jboss.as.connector.subsystems.datasources.Constants.DRIVER_CLASS_NAME;
import static org.jboss.as.connector.subsystems.datasources.Constants.DRIVER_DATASOURCE_CLASS_NAME;
import static org.jboss.as.connector.subsystems.datasources.Constants.DRIVER_MAJOR_VERSION;
import static org.jboss.as.connector.subsystems.datasources.Constants.DRIVER_MINOR_VERSION;
import static org.jboss.as.connector.subsystems.datasources.Constants.DRIVER_MODULE_NAME;
import static org.jboss.as.connector.subsystems.datasources.Constants.DRIVER_NAME;
import static org.jboss.as.connector.subsystems.datasources.Constants.DRIVER_XA_DATASOURCE_CLASS_NAME;
import static org.jboss.as.connector.subsystems.datasources.JdbcDriverAdd.startDriverServices;
import java.lang.reflect.Constructor;
import java.sql.Driver;
import java.util.ServiceLoader;
import org.jboss.as.connector.logging.ConnectorLogger;
import org.jboss.as.controller.AbstractRemoveStepHandler;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.dmr.ModelNode;
import org.jboss.modules.Module;
import org.jboss.modules.ModuleIdentifier;
import org.jboss.modules.ModuleLoadException;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceRegistry;
import org.jboss.msc.service.ServiceTarget;
/**
* Operation handler responsible for removing a jdbc driver.
*
* @author John Bailey
*/
public class JdbcDriverRemove extends AbstractRemoveStepHandler {
static final JdbcDriverRemove INSTANCE = new JdbcDriverRemove();
protected void performRuntime(OperationContext context, ModelNode operation, ModelNode model) throws OperationFailedException {
final String driverName = model.get(DRIVER_NAME.getName()).asString();
final ServiceRegistry registry = context.getServiceRegistry(true);
ServiceName jdbcServiceName = ServiceName.JBOSS.append("jdbc-driver", driverName.replaceAll("\\.", "_"));
ServiceController<?> jdbcServiceController = registry.getService(jdbcServiceName);
context.removeService(jdbcServiceController);
}
protected void recoverServices(OperationContext context, ModelNode operation, ModelNode model) {
final String driverName = model.require(DRIVER_NAME.getName()).asString();
final String moduleName = model.require(DRIVER_MODULE_NAME.getName()).asString();
final Integer majorVersion = model.hasDefined(DRIVER_MAJOR_VERSION.getName()) ? model.get(DRIVER_MAJOR_VERSION.getName()).asInt() : null;
final Integer minorVersion = model.hasDefined(DRIVER_MINOR_VERSION.getName()) ? model.get(DRIVER_MINOR_VERSION.getName()).asInt() : null;
final String driverClassName = model.hasDefined(DRIVER_CLASS_NAME.getName()) ? model.get(DRIVER_CLASS_NAME.getName()).asString() : null;
final String dataSourceClassName = model.hasDefined(DRIVER_DATASOURCE_CLASS_NAME.getName()) ? model.get(DRIVER_DATASOURCE_CLASS_NAME.getName()).asString() : null;
final String xaDataSourceClassName = model.hasDefined(DRIVER_XA_DATASOURCE_CLASS_NAME.getName()) ? model.get(
DRIVER_XA_DATASOURCE_CLASS_NAME.getName()).asString() : null;
final ServiceTarget target = context.getServiceTarget();
final ModuleIdentifier moduleId;
final Module module;
try {
moduleId = ModuleIdentifier.create(moduleName);
module = Module.getCallerModuleLoader().loadModule(moduleId);
} catch (ModuleLoadException e) {
context.getFailureDescription().set(ConnectorLogger.ROOT_LOGGER.failedToLoadModuleDriver(moduleName));
return;
}
if (driverClassName == null) {
final ServiceLoader<Driver> serviceLoader = module.loadService(Driver.class);
if (serviceLoader != null)
for (Driver driver : serviceLoader) {
startDriverServices(target, moduleId, driver, driverName, majorVersion, minorVersion, dataSourceClassName, xaDataSourceClassName, null);
}
} else {
try {
final Class<? extends Driver> driverClass = module.getClassLoader().loadClass(driverClassName)
.asSubclass(Driver.class);
final Constructor<? extends Driver> constructor = driverClass.getConstructor();
final Driver driver = constructor.newInstance();
startDriverServices(target, moduleId, driver, driverName, majorVersion, minorVersion, dataSourceClassName, xaDataSourceClassName, null);
} catch (Exception e) {
SUBSYSTEM_DATASOURCES_LOGGER.cannotInstantiateDriverClass(driverClassName, e);
}
}
}
}