| /* |
| * 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.services.staticcm; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Hashtable; |
| import java.util.List; |
| import java.util.Objects; |
| |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.Constants; |
| import org.osgi.framework.Filter; |
| import org.osgi.framework.InvalidSyntaxException; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.service.cm.Configuration; |
| import org.osgi.service.cm.ConfigurationAdmin; |
| import org.osgi.service.cm.ConfigurationException; |
| import org.osgi.service.cm.ManagedService; |
| import org.osgi.service.cm.ManagedServiceFactory; |
| import org.osgi.util.tracker.ServiceTracker; |
| |
| public class StaticConfigAdminImpl implements ConfigurationAdmin { |
| private final BundleContext context; |
| private final List<Configuration> configurations; |
| |
| public StaticConfigAdminImpl(BundleContext context, List<Configuration> configs) throws IOException { |
| Objects.requireNonNull(configs, "configs"); |
| this.context = context; |
| this.configurations = configs; |
| ServiceTracker<ManagedService, ManagedService> serviceTracker = new ServiceTracker<ManagedService, ManagedService>(context, ManagedService.class, null) { |
| @Override |
| public ManagedService addingService(ServiceReference<ManagedService> reference) { |
| ManagedService service = context.getService(reference); |
| Object pidObj = reference.getProperty(Constants.SERVICE_PID); |
| |
| boolean found = false; |
| |
| if (pidObj instanceof String) { |
| String pid = (String) pidObj; |
| |
| for (Configuration config : configurations) { |
| if (config.getPid().equals(pid) && config.getFactoryPid() == null) { |
| found = true; |
| invokeUpdate(service, config); |
| } |
| } |
| |
| } |
| |
| if (!found) { |
| invokeUpdate(service, null); |
| } |
| |
| return service; |
| } |
| |
| @Override |
| public void removedService(ServiceReference<ManagedService> reference, ManagedService service) { |
| context.ungetService(reference); |
| } |
| }; |
| serviceTracker.open(); |
| |
| ServiceTracker<ManagedServiceFactory, ManagedServiceFactory> factoryTracker |
| = new ServiceTracker<ManagedServiceFactory, ManagedServiceFactory>(context, ManagedServiceFactory.class, null) { |
| @Override |
| public ManagedServiceFactory addingService(ServiceReference<ManagedServiceFactory> reference) { |
| ManagedServiceFactory factory = context.getService(reference); |
| Object pidObj = reference.getProperty(Constants.SERVICE_PID); |
| if (pidObj instanceof String) { |
| String pid = (String) pidObj; |
| for (Configuration config : configurations) { |
| if (config.getPid().equals(pid) && config.getFactoryPid() != null) { |
| try { |
| factory.updated(config.getFactoryPid(), config.getProcessedProperties(null)); |
| } catch (ConfigurationException e) { |
| e.printStackTrace(); |
| } |
| } |
| } |
| } else { |
| System.err.println("Unsupported pid: " + pidObj); |
| } |
| return factory; |
| } |
| |
| @Override |
| public void removedService(ServiceReference<ManagedServiceFactory> reference, ManagedServiceFactory service) { |
| super.removedService(reference, service); |
| } |
| }; |
| factoryTracker.open(); |
| } |
| |
| private void invokeUpdate(ManagedService service, Configuration config) { |
| try { |
| service.updated(config == null ? null : config.getProcessedProperties(null)); |
| } catch (final Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| @Override |
| public Configuration createFactoryConfiguration(String factoryPid) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public Configuration createFactoryConfiguration(String factoryPid, String location) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public Configuration getConfiguration(String pid, String location) throws IOException { |
| return getConfiguration(pid); |
| } |
| |
| @Override |
| public Configuration getConfiguration(String pid) throws IOException { |
| for (Configuration config : configurations) { |
| if (config.getPid().equals(pid) && config.getFactoryPid() == null) { |
| return config; |
| } |
| } |
| Hashtable<String, Object> cfg = new Hashtable<>(); |
| cfg.put(Constants.SERVICE_PID, pid); |
| return new StaticConfigurationImpl(pid, null, cfg); |
| } |
| |
| @Override |
| public Configuration[] listConfigurations(String filter) throws IOException, InvalidSyntaxException { |
| List<Configuration> configs; |
| if (filter == null) { |
| configs = configurations; |
| } else { |
| configs = new ArrayList<>(); |
| Filter flt = context.createFilter(filter); |
| for (Configuration config : configurations) { |
| if (flt.match(config.getProcessedProperties(null))) { |
| configs.add(config); |
| } |
| } |
| } |
| return configs.isEmpty() ? null : configs.toArray(new Configuration[configs.size()]); |
| } |
| |
| @Override |
| public Configuration getFactoryConfiguration(String factoryPid, String name, String location) throws IOException { |
| throw new UnsupportedOperationException("getFactoryConfiguration"); |
| } |
| |
| @Override |
| public Configuration getFactoryConfiguration(String factoryPid, String name) throws IOException { |
| throw new UnsupportedOperationException("getFactoryConfiguration(pid,name)"); |
| } |
| |
| } |