/*
* 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.http.whiteboard.internal.tracker;
import javax.servlet.Filter;
import org.apache.felix.http.base.internal.logger.SystemLogger;
import org.apache.felix.http.whiteboard.HttpWhiteboardConstants;
import org.apache.felix.http.whiteboard.internal.manager.ExtenderManager;
import org.osgi.framework.BundleContext;
import org.osgi.framework.InvalidSyntaxException;
import org.osgi.framework.ServiceReference;
public final class FilterTracker
extends AbstractTracker<Filter>
{
private final ExtenderManager manager;
private static org.osgi.framework.Filter createFilter(final BundleContext btx)
{
try
{
return btx.createFilter(String.format("(&(objectClass=%s)(%s=*))",
Filter.class.getName(),
HttpWhiteboardConstants.PATTERN));
}
catch ( final InvalidSyntaxException ise)
{
// we can safely ignore it as the above filter is a constant
}
return null; // we never get here - and if we get an NPE which is fine
}
public FilterTracker(BundleContext context, ExtenderManager manager)
{
super(context, createFilter(context));
this.manager = manager;
}
@Override
protected void added(Filter service, ServiceReference ref)
{
SystemLogger.warning("Deprecation warning: " +
"Filter registered through Apache Felix whiteboard service: " + ref +
". Please change your code to the OSGi Http Whiteboard Service.", null);
this.manager.add(service, ref);
}
@Override
protected void modified(Filter service, ServiceReference ref)
{
removed(service, ref);
added(service, ref);
}
@Override
protected void removed(Filter service, ServiceReference ref)
{
this.manager.removeFilter(ref);
}
}