/*
* 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;
import java.io.IOException;
import java.util.Dictionary;
import org.apache.felix.cm.PersistenceManager;
import org.apache.felix.cm.impl.helper.TargetedPID;
import org.osgi.service.log.LogService;
abstract class ConfigurationBase
{
/**
* The {@link ConfigurationManager configuration manager} instance which
* caused this configuration object to be created.
*/
private final ConfigurationManager configurationManager;
// the persistence manager storing this factory mapping
private final PersistenceManager persistenceManager;
// the basic ID of this instance
private final TargetedPID baseId;
protected ConfigurationBase( final ConfigurationManager configurationManager,
final PersistenceManager persistenceManager, final String baseId )
{
if ( configurationManager == null )
{
throw new IllegalArgumentException( "ConfigurationManager must not be null" );
}
if ( persistenceManager == null )
{
throw new IllegalArgumentException( "PersistenceManager must not be null" );
}
this.configurationManager = configurationManager;
this.persistenceManager = persistenceManager;
this.baseId = new TargetedPID( baseId );
}
ConfigurationManager getConfigurationManager()
{
return configurationManager;
}
PersistenceManager getPersistenceManager()
{
return persistenceManager;
}
TargetedPID getBaseId()
{
return baseId;
}
/**
* Returns <code>true</code> if the ConfigurationManager of this
* configuration is still active.
*/
boolean isActive()
{
return configurationManager.isActive();
}
abstract void store() throws IOException;
void storeSilently()
{
try
{
this.store();
}
catch ( IOException ioe )
{
configurationManager.log( LogService.LOG_ERROR, "Persisting ID {0} failed", new Object[]
{ getBaseId(), ioe } );
}
}
static protected void replaceProperty( Dictionary properties, String key, String value )
{
if ( value == null )
{
properties.remove( key );
}
else
{
properties.put( key, value );
}
}
}