+++ /dev/null
-/*
- * Copyright (c) 2013, 2017 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.controller.config.manager.impl.osgi;
-
-import java.util.AbstractMap;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Map;
-import org.opendaylight.controller.config.manager.impl.factoriesresolver.ModuleFactoriesResolver;
-import org.opendaylight.controller.config.spi.ModuleFactory;
-import org.osgi.framework.BundleContext;
-import org.osgi.framework.InvalidSyntaxException;
-import org.osgi.framework.ServiceReference;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Retrieves list of currently registered Module Factories using bundlecontext.
- */
-public class BundleContextBackedModuleFactoriesResolver implements ModuleFactoriesResolver {
- private static final Logger LOG = LoggerFactory.getLogger(BundleContextBackedModuleFactoriesResolver.class);
- private final BundleContext bundleContext;
-
- public BundleContextBackedModuleFactoriesResolver(final BundleContext bundleContext) {
- this.bundleContext = bundleContext;
- }
-
- @Override
- public Map<String, Map.Entry<ModuleFactory, BundleContext>> getAllFactories() {
- Collection<ServiceReference<ModuleFactory>> serviceReferences;
- try {
- serviceReferences = bundleContext.getServiceReferences(ModuleFactory.class, null);
- } catch (final InvalidSyntaxException e) {
- throw new IllegalStateException(e);
- }
- Map<String, Map.Entry<ModuleFactory, BundleContext>> result = new HashMap<>(serviceReferences.size());
- for (ServiceReference<ModuleFactory> serviceReference : serviceReferences) {
- ModuleFactory factory = bundleContext.getService(serviceReference);
- // null if the service is not registered, the service object
- // returned by a ServiceFactory does not
- // implement the classes under which it was registered or the
- // ServiceFactory threw an exception.
- if (factory == null) {
- throw new NullPointerException(
- "ServiceReference of class" + serviceReference.getClass() + "not found.");
- }
-
- String moduleName = factory.getImplementationName();
- if (moduleName == null || moduleName.isEmpty()) {
- throw new IllegalStateException("Invalid implementation name for " + factory);
- }
- if (serviceReference.getBundle() == null || serviceReference.getBundle().getBundleContext() == null) {
- throw new NullPointerException("Bundle context of " + factory + " ModuleFactory not found.");
- }
- LOG.debug("Reading factory {} {}", moduleName, factory);
-
- Map.Entry<ModuleFactory, BundleContext> conflicting = result.get(moduleName);
- if (conflicting != null) {
- String error = String.format(
- "Module name is not unique. Found two conflicting factories with same name '%s': '%s' '%s'",
- moduleName, conflicting.getKey(), factory);
- LOG.error(error);
- throw new IllegalArgumentException(error);
- }
-
- result.put(moduleName,
- new AbstractMap.SimpleImmutableEntry<>(factory, serviceReference.getBundle().getBundleContext()));
- }
- return result;
- }
-}