| /* |
| * Copyright 2017-present Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.net.driver; |
| |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Abstract bootstrapper for loading and registering driver definitions that |
| * are independent from the default driver definitions. |
| */ |
| @Component |
| public abstract class AbstractIndependentDriverLoader { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private DriverProvider provider; |
| private final String path; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DriverAdminService driverAdminService; |
| |
| /** |
| * Creates a new loader for resource with the specified path. |
| * |
| * @param path drivers definition XML resource path |
| */ |
| protected AbstractIndependentDriverLoader(String path) { |
| this.path = path; |
| } |
| |
| @Activate |
| protected void activate() { |
| try { |
| provider = new XmlDriverLoader(getClass().getClassLoader(), driverAdminService) |
| .loadDrivers(getClass().getResourceAsStream(path), driverAdminService); |
| driverAdminService.registerProvider(provider); |
| } catch (Exception e) { |
| log.error("Unable to load {} driver definitions", path, e); |
| } |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| driverAdminService.unregisterProvider(provider); |
| log.info("Stopped"); |
| } |
| |
| } |