/*
* 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.scr.impl.config;
import org.apache.felix.scr.impl.helper.SimpleLogger;
import org.osgi.framework.Bundle;
import org.osgi.framework.ServiceFactory;
import org.osgi.framework.ServiceRegistration;
import org.osgi.service.log.LogService;
/**
* The <code>ScrManagedServiceServiceFactory</code> is the ServiceFactory
* registered on behalf of the {@link ScrManagedService} (or
* {@link ScrManagedServiceMetaTypeProvider}, resp.) to create the instance on
* demand once it is used by the Configuration Admin Service or the MetaType
* Service.
* <p>
* In contrast to the {@link ScrManagedService} and
* {@link ScrManagedServiceMetaTypeProvider} classes, this class only requires
* core OSGi API and thus may be instantiated without the Configuration Admin
* and/or MetaType Service API actually available at the time of instantiation.
*/
public class ScrManagedServiceServiceFactory implements ServiceFactory<ScrManagedService>
{
private final ScrConfigurationImpl scrConfiguration;
private final SimpleLogger logger;
public ScrManagedServiceServiceFactory(final ScrConfigurationImpl scrConfiguration, final SimpleLogger logger)
{
this.scrConfiguration = scrConfiguration;
this.logger = logger;
}
public ScrManagedService getService(Bundle bundle, ServiceRegistration<ScrManagedService> registration)
{
try
{
return ScrManagedServiceMetaTypeProvider.create( this.scrConfiguration );
}
catch ( Throwable t )
{
// assume MetaType Service API not available
logger
.log(
LogService.LOG_INFO,
"Cannot create MetaType providing ManagedService; not providing Metatype information but just accepting configuration",
null );
}
return new ScrManagedService( this.scrConfiguration );
}
public void ungetService(Bundle bundle, ServiceRegistration<ScrManagedService> registration, ScrManagedService service)
{
// nothing really todo; GC will do the rest
}
}