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Java > Open Source Codes > org > apache > tapestry > engine > state > SOMRegistryImpl


1 // Copyright 2005 The Apache Software Foundation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 package org.apache.tapestry.engine.state;
16
17 import java.util.HashMap JavaDoc;
18 import java.util.Iterator JavaDoc;
19 import java.util.Map JavaDoc;
20
21 import org.apache.hivemind.ApplicationRuntimeException;
22 import org.apache.hivemind.ErrorLog;
23
24 /**
25  * @author Howard M. Lewis Ship
26  * @since 4.0
27  */
28 public class SOMRegistryImpl implements StateObjectManagerRegistry
29 {
30     private ErrorLog _errorLog;
31
32     private Map JavaDoc _factoryContributions;
33
34     private Map JavaDoc _applicationContributions;
35
36     private Map JavaDoc _persistenceManagers;
37
38     private Map JavaDoc _objectManagers = new HashMap JavaDoc();
39
40     public void initializeService()
41     {
42         Map JavaDoc contributions = new HashMap JavaDoc();
43         contributions.putAll(_factoryContributions);
44         // Overwrite any duplicates with the application contributions
45 contributions.putAll(_applicationContributions);
46
47         Iterator JavaDoc i = contributions.values().iterator();
48         while (i.hasNext())
49         {
50             StateObjectContribution c = (StateObjectContribution) i.next();
51
52             String JavaDoc objectName = c.getName();
53             String JavaDoc scope = c.getScope();
54
55             StateObjectPersistenceManager pm = (StateObjectPersistenceManager) _persistenceManagers
56                     .get(scope);
57
58             if (pm == null)
59             {
60                 _errorLog.error(
61                         StateMessages.unknownScope(objectName, scope),
62                         c.getLocation(),
63                         null);
64                 continue;
65             }
66
67             StateObjectManager manager = new StateObjectManagerImpl(objectName, c.getFactory(), pm);
68
69             _objectManagers.put(objectName, manager);
70
71         }
72     }
73
74     public StateObjectManager get(String JavaDoc objectName)
75     {
76         StateObjectManager manager = (StateObjectManager) _objectManagers.get(objectName);
77
78         if (manager == null)
79             throw new ApplicationRuntimeException(StateMessages.unknownStateObjectName(objectName));
80
81         return manager;
82     }
83
84     public void setApplicationContributions(Map JavaDoc applicationContributions)
85     {
86         _applicationContributions = applicationContributions;
87     }
88
89     public void setErrorLog(ErrorLog errorLog)
90     {
91         _errorLog = errorLog;
92     }
93
94     public void setFactoryContributions(Map JavaDoc factoryContributions)
95     {
96         _factoryContributions = factoryContributions;
97     }
98
99     public void setPersistenceManagers(Map JavaDoc persistenceManagers)
100     {
101         _persistenceManagers = persistenceManagers;
102     }
103 }
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