1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed 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.exchange;
import org.apache.log4j.Logger;
import org.apache.qpid.AMQException;
import java.util.HashMap;
import java.util.Map;
public class DefaultExchangeFactory implements ExchangeFactory
{
private static final Logger _logger = Logger.getLogger(DefaultExchangeFactory.class);
private Map<String, Class<? extends Exchange>> _exchangeClassMap = new HashMap<String, Class<? extends Exchange>>();
public DefaultExchangeFactory()
{
_exchangeClassMap.put("direct", org.apache.qpid.server.exchange.DestNameExchange.class);
_exchangeClassMap.put("topic", org.apache.qpid.server.exchange.DestWildExchange.class);
_exchangeClassMap.put("headers", org.apache.qpid.server.exchange.HeadersExchange.class);
}
public Exchange createExchange(String exchange, String type, boolean durable, boolean autoDelete,
int ticket)
throws AMQException
{
Class<? extends Exchange> exchClass = _exchangeClassMap.get(type);
if (exchClass == null)
{
throw new AMQException(_logger, "Unknown exchange type: " + type);
}
try
{
Exchange e = exchClass.newInstance();
e.initialise(exchange, durable, ticket, autoDelete);
return e;
}
catch (InstantiationException e)
{
throw new AMQException(_logger, "Unable to create exchange: " + e, e);
}
catch (IllegalAccessException e)
{
throw new AMQException(_logger, "Unable to create exchange: " + e, e);
}
}
}
|