01 /*
02 * Licensed to the Apache Software Foundation (ASF) under one
03 * or more contributor license agreements. See the NOTICE file
04 * distributed with this work for additional information
05 * regarding copyright ownership. The ASF licenses this file
06 * to you under the Apache License, Version 2.0 (the
07 * "License"); you may not use this file except in compliance
08 * with the License. You may obtain a copy of the License at
09 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 *
20 */
21 package org.apache.qpid.server.filter;
22
23 import java.util.concurrent.ConcurrentLinkedQueue;
24
25 import org.apache.log4j.Logger;
26 import org.apache.qpid.AMQException;
27 import org.apache.qpid.server.queue.Filterable;
28
29 public class SimpleFilterManager implements FilterManager<AMQException>
30 {
31 private final Logger _logger = Logger.getLogger(SimpleFilterManager.class);
32
33 private final ConcurrentLinkedQueue<MessageFilter<AMQException>> _filters;
34
35 public SimpleFilterManager()
36 {
37 _logger.debug("Creating SimpleFilterManager");
38 _filters = new ConcurrentLinkedQueue<MessageFilter<AMQException>>();
39 }
40
41 public void add(MessageFilter<AMQException> filter)
42 {
43 _filters.add(filter);
44 }
45
46 public void remove(MessageFilter<AMQException> filter)
47 {
48 _filters.remove(filter);
49 }
50
51 public boolean allAllow(Filterable<AMQException> msg)
52 {
53 for (MessageFilter<AMQException> filter : _filters)
54 {
55 try
56 {
57 if (!filter.matches(msg))
58 {
59 return false;
60 }
61 }
62 catch (AMQException e)
63 {
64 //fixme
65 e.printStackTrace();
66 return false;
67 }
68 }
69 return true;
70 }
71
72 public boolean hasFilters()
73 {
74 return !_filters.isEmpty();
75 }
76 }
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