| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.karaf.decanter.collector.eventadmin; |
| |
| import org.apache.karaf.decanter.collector.utils.PropertiesPreparator; |
| import org.osgi.service.component.ComponentContext; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.event.Event; |
| import org.osgi.service.event.EventAdmin; |
| import org.osgi.service.event.EventConstants; |
| import org.osgi.service.event.EventHandler; |
| |
| import javax.security.auth.Subject; |
| import java.security.Principal; |
| import java.util.*; |
| |
| @Component( |
| name = "org.apache.karaf.decanter.collector.eventadmin", |
| immediate = true |
| ) |
| public class EventCollector implements EventHandler { |
| |
| @Reference |
| public EventAdmin dispatcher; |
| |
| private Dictionary<String, Object> config; |
| |
| @Activate |
| public void activate(ComponentContext context) { |
| config = context.getProperties(); |
| } |
| |
| @Override |
| public void handleEvent(Event event) { |
| String topic = event.getTopic(); |
| Map<String, Object> data = new HashMap<>(); |
| data.put("type", "eventadmin"); |
| |
| for (String property : event.getPropertyNames()) { |
| if (property.equals("type")) { |
| if (event.getProperty(property) != null) { |
| data.put("eventType", (event.getProperty(property) != null) ? event.getProperty(property).toString() : null); |
| } else { |
| data.put("eventType", "eventadmin"); |
| } |
| } else if (property.equalsIgnoreCase("subject")) { |
| if (event.getProperty(property) != null && (event.getProperty(property) instanceof Subject)) { |
| data.put(property, convertSubject((Subject) event.getProperty(property))); |
| } |
| } else { |
| data.put(property, event.getProperty(property)); |
| } |
| } |
| |
| try { |
| PropertiesPreparator.prepare(data, config); |
| } catch (Exception e) { |
| // nothing to do |
| } |
| |
| Event bridge = new Event("decanter/collect/eventadmin/" + topic, data); |
| dispatcher.sendEvent(bridge); |
| } |
| |
| public Map<String, String> convertSubject(Subject subject) { |
| Map<String, String> map = new HashMap<String, String>(); |
| Set<Principal> principals = subject.getPrincipals(); |
| for (Principal principal : principals) { |
| if (map.get(principal.getClass().getSimpleName()) != null) { |
| map.put(principal.getClass().getSimpleName(), map.get(principal.getClass().getSimpleName()) + "," + principal.getName()); |
| } else { |
| map.put(principal.getClass().getSimpleName(), principal.getName()); |
| } |
| } |
| return map; |
| } |
| |
| } |