*/
package org.opendaylight.controller.config.manager.impl.osgi;
-import java.util.ArrayList;
+import java.util.AbstractMap;
import java.util.Collection;
-import java.util.List;
-
+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 {
+public class BundleContextBackedModuleFactoriesResolver implements ModuleFactoriesResolver {
+ private static final Logger LOG = LoggerFactory.getLogger(BundleContextBackedModuleFactoriesResolver.class);
private final BundleContext bundleContext;
public BundleContextBackedModuleFactoriesResolver(
- BundleContext bundleContext) {
+ final BundleContext bundleContext) {
this.bundleContext = bundleContext;
}
@Override
- public List<ModuleFactory> getAllFactories() {
+ public Map<String, Map.Entry<ModuleFactory, BundleContext>> getAllFactories() {
Collection<ServiceReference<ModuleFactory>> serviceReferences;
try {
- serviceReferences = bundleContext.getServiceReferences(
- ModuleFactory.class, null);
+ serviceReferences = bundleContext.getServiceReferences(ModuleFactory.class, null);
} catch (InvalidSyntaxException e) {
throw new IllegalStateException(e);
}
- List<ModuleFactory> result = new ArrayList<>(serviceReferences.size());
+ Map<String, Map.Entry<ModuleFactory, BundleContext>> result = new HashMap<>(serviceReferences.size());
for (ServiceReference<ModuleFactory> serviceReference : serviceReferences) {
- ModuleFactory service = bundleContext.getService(serviceReference);
+ 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 (service != null) {
- result.add(service);
+ 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;
}