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 java.util.Map.Entry;
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 ModuleFactoryBundleTracker moduleFactoryBundleTracker;
+public class BundleContextBackedModuleFactoriesResolver implements ModuleFactoriesResolver {
+ private static final Logger LOG = LoggerFactory.getLogger(BundleContextBackedModuleFactoriesResolver.class);
+ private final BundleContext bundleContext;
- public BundleContextBackedModuleFactoriesResolver() {
- }
-
- public void setModuleFactoryBundleTracker(ModuleFactoryBundleTracker moduleFactoryBundleTracker) {
- this.moduleFactoryBundleTracker = moduleFactoryBundleTracker;
+ public BundleContextBackedModuleFactoriesResolver(
+ final BundleContext bundleContext) {
+ this.bundleContext = bundleContext;
}
@Override
public Map<String, Map.Entry<ModuleFactory, BundleContext>> getAllFactories() {
- Map<String, Map.Entry<ModuleFactory, BundleContext>> result = new HashMap<>();
- for(Entry<ModuleFactory, BundleContext> entry: moduleFactoryBundleTracker.getModuleFactoryEntries()) {
- ModuleFactory factory = entry.getKey();
- BundleContext bundleContext = entry.getValue();
- String moduleName = factory .getImplementationName();
- if (moduleName == null || moduleName.isEmpty()) {
- throw new IllegalStateException("Invalid implementation name for " + factory);
+ Collection<ServiceReference<ModuleFactory>> serviceReferences;
+ try {
+ serviceReferences = bundleContext.getServiceReferences(ModuleFactory.class, null);
+ } catch (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.");
}
- LOG.debug("Processing factory {} {}", moduleName, factory);
+ 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);
+ 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);
- } else {
- result.put(moduleName, new AbstractMap.SimpleImmutableEntry<>(factory, bundleContext));
}
- }
+ result.put(moduleName, new AbstractMap.SimpleImmutableEntry<>(factory,
+ serviceReference.getBundle().getBundleContext()));
+ }
return result;
}
}