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/*
* 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.qpid.server.filter;
import org.apache.log4j.Logger;
import org.apache.qpid.server.queue.Filterable;
import java.util.concurrent.ConcurrentLinkedQueue;
public class SimpleFilterManager implements FilterManager
{
private final Logger _logger = Logger.getLogger(SimpleFilterManager.class);
private final ConcurrentLinkedQueue<MessageFilter> _filters;
private String _toString = "";
public SimpleFilterManager()
{
_logger.debug("Creating SimpleFilterManager");
_filters = new ConcurrentLinkedQueue<MessageFilter>();
}
public SimpleFilterManager(MessageFilter filter)
{
this();
add(filter);
}
public void add(MessageFilter filter)
{
_filters.add(filter);
updateStringValue();
}
public void remove(MessageFilter filter)
{
_filters.remove(filter);
updateStringValue();
}
public boolean allAllow(Filterable msg)
{
for (MessageFilter filter : _filters)
{
if (!filter.matches(msg))
{
return false;
}
}
return true;
}
public boolean hasFilters()
{
return !_filters.isEmpty();
}
@Override
public String toString()
{
return _toString;
}
private void updateStringValue()
{
StringBuilder toString = new StringBuilder();
for (MessageFilter filter : _filters)
{
toString.append(filter.toString());
toString.append(",");
}
if (_filters.size() > 0)
{
//Remove the last ','
toString.deleteCharAt(toString.length()-1);
}
_toString = toString.toString();
}
}
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