amichair commented on code in PR #95:
URL: https://github.com/apache/aries-rsa/pull/95#discussion_r3171144143
##########
rsa/src/main/java/org/apache/aries/rsa/core/event/EventAdminSender.java:
##########
@@ -18,85 +18,148 @@
*/
package org.apache.aries.rsa.core.event;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
import java.security.AccessController;
import java.security.PrivilegedAction;
+import java.security.cert.X509Certificate;
import java.util.HashMap;
+import java.util.List;
import java.util.Map;
+import java.util.Objects;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
+import org.osgi.framework.Version;
import org.osgi.service.event.Event;
import org.osgi.service.event.EventAdmin;
import org.osgi.service.remoteserviceadmin.EndpointDescription;
+import org.osgi.service.remoteserviceadmin.ExportReference;
import org.osgi.service.remoteserviceadmin.ImportReference;
import org.osgi.service.remoteserviceadmin.RemoteServiceAdminEvent;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
public class EventAdminSender {
- private HashMap<Integer, String> typeToTopic;
+
+ private static final Logger LOG =
LoggerFactory.getLogger(EventAdminSender.class);
+
private BundleContext context;
public EventAdminSender(BundleContext context) {
this.context = context;
- typeToTopic = new HashMap<>();
- typeToTopic.put(RemoteServiceAdminEvent.EXPORT_ERROR, "EXPORT_ERROR");
- typeToTopic.put(RemoteServiceAdminEvent.EXPORT_REGISTRATION,
"EXPORT_REGISTRATION");
- typeToTopic.put(RemoteServiceAdminEvent.EXPORT_UNREGISTRATION,
"EXPORT_UNREGISTRATION");
- typeToTopic.put(RemoteServiceAdminEvent.EXPORT_UPDATE,
"EXPORT_UPDATE");
- typeToTopic.put(RemoteServiceAdminEvent.EXPORT_WARNING,
"EXPORT_WARNING");
- typeToTopic.put(RemoteServiceAdminEvent.IMPORT_ERROR, "IMPORT_ERROR");
- typeToTopic.put(RemoteServiceAdminEvent.IMPORT_REGISTRATION,
"IMPORT_REGISTRATION");
- typeToTopic.put(RemoteServiceAdminEvent.IMPORT_UNREGISTRATION,
"IMPORT_UNREGISTRATION");
- typeToTopic.put(RemoteServiceAdminEvent.IMPORT_UPDATE,
"IMPORT_UPDATE");
- typeToTopic.put(RemoteServiceAdminEvent.IMPORT_WARNING,
"IMPORT_WARNING");
}
- public void send(RemoteServiceAdminEvent rsaEvent) {
- final Event event = toEvent(rsaEvent);
- ServiceReference<EventAdmin> sref =
this.context.getServiceReference(EventAdmin.class);
+ private void notifyEventAdmins(String type, Event event) {
+ // according to the EventAdmin specs, we publish to the service with
the
+ // highest ranking (which is the one returned by getServiceReference)
+ ServiceReference<EventAdmin> sref =
context.getServiceReference(EventAdmin.class);
if (sref != null) {
- final EventAdmin eventAdmin = this.context.getService(sref);
- AccessController.doPrivileged(new PrivilegedAction<Void>() {
- public Void run() {
- eventAdmin.postEvent(event);
- return null;
+ LOG.debug("Publishing event {} to EventAdmin", type);
+ final EventAdmin eventAdmin = context.getService(sref);
+ if (eventAdmin != null) {
+ try {
+ AccessController.doPrivileged((PrivilegedAction<Void>) ()
-> {
+ eventAdmin.postEvent(event);
+ return null;
+ });
+ } finally {
+ context.ungetService(sref);
}
- });
+ }
this.context.ungetService(sref);
}
}
- private Event toEvent(RemoteServiceAdminEvent rsaEvent) {
- String topic = getTopic(rsaEvent);
+ public void send(RemoteServiceAdminEvent rsae) {
+ String type = getConstName(RemoteServiceAdminEvent.class, null,
rsae.getType(), "UNKNOWN_EVENT");
+ String topic = "org/osgi/service/remoteserviceadmin/" + type;
+ Map<String, Object> props = createProps(rsae);
+ Event event = new Event(topic, props);
+ notifyEventAdmins(type, event);
+ }
+
+ private static <K, V> void putIfNotNull(Map<K, V> map, K key, V val) {
+ if (val != null) {
+ map.put(key, val);
+ }
+ }
+
+ /**
+ * Returns the name of the first constant field (public static final) in
the given class
Review Comment:
ok now I went a different route with a switch statement, tiny change but a
bit more contained and efficient.
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