01 /*
02 *
03 * Licensed to the Apache Software Foundation (ASF) under one
04 * or more contributor license agreements. See the NOTICE file
05 * distributed with this work for additional information
06 * regarding copyright ownership. The ASF licenses this file
07 * to you under the Apache License, Version 2.0 (the
08 * "License"); you may not use this file except in compliance
09 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 */
21 package org.apache.qpid.server.virtualhost;
22
23 import java.util.ArrayList;
24 import java.util.Collection;
25 import java.util.Map;
26 import java.util.concurrent.ConcurrentHashMap;
27
28
29 public class VirtualHostRegistry
30 {
31 private final Map<String, VirtualHost> _registry = new ConcurrentHashMap<String,VirtualHost>();
32
33
34 private String _defaultVirtualHostName;
35
36 public synchronized void registerVirtualHost(VirtualHost host) throws Exception
37 {
38 if(_registry.containsKey(host.getName()))
39 {
40 throw new Exception("Virtual Host with name " + host.getName() + " already registered.");
41 }
42 _registry.put(host.getName(),host);
43 }
44
45 public VirtualHost getVirtualHost(String name)
46 {
47 if(name == null || name.trim().length() == 0 )
48 {
49 name = getDefaultVirtualHostName();
50 }
51
52 return _registry.get(name);
53 }
54
55 private String getDefaultVirtualHostName()
56 {
57 return _defaultVirtualHostName;
58 }
59
60 public void setDefaultVirtualHostName(String defaultVirtualHostName)
61 {
62 _defaultVirtualHostName = defaultVirtualHostName;
63 }
64
65
66 public Collection<VirtualHost> getVirtualHosts()
67 {
68 return new ArrayList<VirtualHost>(_registry.values());
69 }
70 }
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