/*
- * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
+ * 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,
*/
package org.opendaylight.controller.config.manager.impl.osgi;
-import static java.lang.String.format;
import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Charsets;
import com.google.common.io.Resources;
import java.io.IOException;
import java.net.URL;
+import java.nio.charset.StandardCharsets;
import org.opendaylight.controller.config.spi.ModuleFactory;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleEvent;
* line should contain an implementation of ModuleFactory interface. Creates new
* instance with default constructor and registers it into OSGi service
* registry. There is no need for listening for implementing removedBundle as
- * the services are unregistered automatically.
- * Code based on http://www.toedter.com/blog/?p=236
+ * the services are unregistered automatically. Code based on
+ * http://www.toedter.com/blog/?p=236
*/
-public class ModuleFactoryBundleTracker implements BundleTrackerCustomizer<Object> {
+public class ModuleFactoryBundleTracker implements BundleTrackerCustomizer<Boolean> {
private final BlankTransactionServiceTracker blankTransactionServiceTracker;
private static final Logger LOG = LoggerFactory.getLogger(ModuleFactoryBundleTracker.class);
- public ModuleFactoryBundleTracker(BlankTransactionServiceTracker blankTransactionServiceTracker) {
+ public ModuleFactoryBundleTracker(final BlankTransactionServiceTracker blankTransactionServiceTracker) {
this.blankTransactionServiceTracker = blankTransactionServiceTracker;
}
@Override
- public Object addingBundle(Bundle bundle, BundleEvent event) {
+ public Boolean addingBundle(final Bundle bundle, final BundleEvent event) {
URL resource = bundle.getEntry("META-INF/services/" + ModuleFactory.class.getName());
- LOG.trace("Got addingBundle event of bundle {}, resource {}, event {}",
- bundle, resource, event);
+ LOG.trace("Got addingBundle event of bundle {}, resource {}, event {}", bundle, resource, event);
if (resource != null) {
try {
- for (String factoryClassName : Resources.readLines(resource, Charsets.UTF_8)) {
+ for (String factoryClassName : Resources.readLines(resource, StandardCharsets.UTF_8)) {
registerFactory(factoryClassName, bundle);
}
- } catch (IOException e) {
+
+ return Boolean.TRUE;
+ } catch (final IOException e) {
LOG.error("Error while reading {}", resource, e);
throw new RuntimeException(e);
}
}
- return bundle;
+
+ return Boolean.FALSE;
}
@Override
- public void modifiedBundle(Bundle bundle, BundleEvent event, Object object) {
+ public void modifiedBundle(final Bundle bundle, final BundleEvent event, final Boolean hasFactory) {
// NOOP
}
@Override
- public void removedBundle(Bundle bundle, BundleEvent event, Object object) {
- // workaround for service tracker not getting removed service event
- blankTransactionServiceTracker.blankTransaction();
+ public void removedBundle(final Bundle bundle, final BundleEvent event, final Boolean hasFactory) {
+ if (hasFactory) {
+ // workaround for service tracker not getting removed service event
+ blankTransactionServiceTracker.blankTransactionSync();
+ }
}
@VisibleForTesting
- protected static ServiceRegistration<?> registerFactory(String factoryClassName, Bundle bundle) {
+ protected static ServiceRegistration<?> registerFactory(final String factoryClassName, final Bundle bundle) {
String errorMessage;
Exception ex = null;
try {
Class<?> clazz = bundle.loadClass(factoryClassName);
if (ModuleFactory.class.isAssignableFrom(clazz)) {
try {
- LOG.debug("Registering {} in bundle {}",
- clazz.getName(), bundle);
- return bundle.getBundleContext().registerService(
- ModuleFactory.class.getName(), clazz.newInstance(),
+ LOG.debug("Registering {} in bundle {}", clazz.getName(), bundle);
+ return bundle.getBundleContext().registerService(ModuleFactory.class.getName(), clazz.newInstance(),
null);
- } catch (InstantiationException e) {
- errorMessage = logMessage(
- "Could not instantiate {} in bundle {}, reason {}",
- factoryClassName, bundle, e);
+ } catch (final InstantiationException e) {
+ errorMessage = logMessage("Could not instantiate {} in bundle {}, reason {}", factoryClassName,
+ bundle, e);
ex = e;
- } catch (IllegalAccessException e) {
- errorMessage = logMessage(
- "Illegal access during instantiation of class {} in bundle {}, reason {}",
+ } catch (final IllegalAccessException e) {
+ errorMessage = logMessage("Illegal access during instantiation of class {} in bundle {}, reason {}",
factoryClassName, bundle, e);
ex = e;
}
} else {
- errorMessage = logMessage(
- "Class {} does not implement {} in bundle {}", clazz,
- ModuleFactory.class, bundle);
+ errorMessage = logMessage("Class {} does not implement {} in bundle {}", clazz, ModuleFactory.class,
+ bundle);
}
- } catch (ClassNotFoundException e) {
- errorMessage = logMessage(
- "Could not find class {} in bundle {}, reason {}",
- factoryClassName, bundle, e);
+ } catch (final ClassNotFoundException e) {
+ errorMessage = logMessage("Could not find class {} in bundle {}, reason {}", factoryClassName, bundle, e);
ex = e;
}
throw ex == null ? new IllegalStateException(errorMessage) : new IllegalStateException(errorMessage, ex);
}
- public static String logMessage(String slfMessage, Object... params) {
+ public static String logMessage(final String slfMessage, final Object... params) {
LOG.info(slfMessage, params);
String formatMessage = slfMessage.replaceAll("\\{\\}", "%s");
- return format(formatMessage, params);
+ return String.format(formatMessage, params);
}
}