| /* |
| * 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.felix.cm.impl.helper; |
| |
| import java.security.AccessController; |
| import java.security.PrivilegedAction; |
| import java.security.PrivilegedActionException; |
| import java.security.PrivilegedExceptionAction; |
| import java.util.Dictionary; |
| |
| import org.apache.felix.cm.impl.ConfigurationManager; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.service.cm.ConfigurationException; |
| import org.osgi.service.cm.ManagedServiceFactory; |
| |
| public class ManagedServiceFactoryTracker extends BaseTracker<ManagedServiceFactory> |
| { |
| |
| public ManagedServiceFactoryTracker( ConfigurationManager cm ) |
| { |
| super( cm, true ); |
| } |
| |
| |
| @Override |
| protected ConfigurationMap<?> createConfigurationMap( String[] pids ) |
| { |
| return new ManagedServiceFactoryConfigurationMap( pids ); |
| } |
| |
| |
| /** |
| * Always returns the raw PID because for a ManagedServiceFactory |
| * the configuration's PID is automatically generated and is not a |
| * real targeted PID. |
| */ |
| @Override |
| public String getServicePid( ServiceReference<ManagedServiceFactory> service, TargetedPID pid ) |
| { |
| return pid.getRawPid(); |
| } |
| |
| |
| @Override |
| public void provideConfiguration( ServiceReference<ManagedServiceFactory> reference, TargetedPID configPid, |
| TargetedPID factoryPid, Dictionary<String, ?> properties, long revision, ConfigurationMap<?> configs ) |
| { |
| // Get the ManagedServiceFactory and terminate here if already |
| // unregistered from the framework concurrently |
| ManagedServiceFactory service = getRealService( reference ); |
| if (service == null) { |
| return; |
| } |
| |
| // Get the Configuration-to-PID map from the parameter or from |
| // the service tracker. If not available, the service tracker |
| // already unregistered this service concurrently |
| if ( configs == null ) |
| { |
| configs = this.getService( reference ); |
| if ( configs == null ) |
| { |
| return; |
| } |
| } |
| |
| // Both the ManagedService to update and the Configuration-to-PID |
| // are available, so the service can be updated with the |
| // configuration (which may be null) |
| |
| if ( configs.shallTake( configPid, factoryPid, revision ) ) |
| { |
| try |
| { |
| Dictionary props = getProperties( properties, reference, configPid.toString(), |
| factoryPid.toString() ); |
| updated( reference, service, configPid.toString(), props ); |
| configs.record( configPid, factoryPid, revision ); |
| } |
| catch ( Throwable t ) |
| { |
| this.handleCallBackError( t, reference, configPid ); |
| } |
| finally |
| { |
| this.ungetRealService( reference ); |
| } |
| } |
| } |
| |
| |
| @Override |
| public void removeConfiguration( ServiceReference<ManagedServiceFactory> reference, TargetedPID configPid, |
| TargetedPID factoryPid ) |
| { |
| final ManagedServiceFactory service = this.getRealService( reference ); |
| final ConfigurationMap configs = this.getService( reference ); |
| if ( service != null && configs != null) |
| { |
| if ( configs.removeConfiguration( configPid, factoryPid ) ) |
| { |
| try |
| { |
| deleted( reference, service, configPid.toString() ); |
| configs.record( configPid, factoryPid, -1 ); |
| } |
| catch ( Throwable t ) |
| { |
| this.handleCallBackError( t, reference, configPid ); |
| } |
| finally |
| { |
| this.ungetRealService( reference ); |
| } |
| } |
| } |
| } |
| |
| |
| private void updated( final ServiceReference<ManagedServiceFactory> reference, final ManagedServiceFactory service, final String pid, final Dictionary properties ) |
| throws ConfigurationException |
| { |
| if ( System.getSecurityManager() != null ) |
| { |
| try |
| { |
| AccessController.doPrivileged( new PrivilegedExceptionAction() |
| { |
| public Object run() throws ConfigurationException |
| { |
| service.updated( pid, properties ); |
| return null; |
| } |
| }, getAccessControlContext( reference.getBundle() ) ); |
| } |
| catch ( PrivilegedActionException e ) |
| { |
| throw ( ConfigurationException ) e.getException(); |
| } |
| } |
| else |
| { |
| service.updated( pid, properties ); |
| } |
| } |
| |
| |
| private void deleted( final ServiceReference<ManagedServiceFactory> reference, final ManagedServiceFactory service, final String pid ) |
| { |
| if ( System.getSecurityManager() != null ) |
| { |
| AccessController.doPrivileged( new PrivilegedAction() |
| { |
| public Object run() |
| { |
| service.deleted( pid ); |
| return null; |
| } |
| }, getAccessControlContext( reference.getBundle() ) ); |
| } |
| else |
| { |
| service.deleted( pid ); |
| } |
| } |
| } |