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Java > Open Source Codes > org > apache > hivemind > service > impl > DefaultsSymbolSource


1 // Copyright 2004, 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.hivemind.service.impl;
16
17 import java.util.HashMap JavaDoc;
18 import java.util.List JavaDoc;
19 import java.util.Map JavaDoc;
20
21 import org.apache.hivemind.SymbolSource;
22 import org.apache.hivemind.impl.BaseLocatable;
23
24 /**
25  * Implementation of {@link org.apache.hivemind.SymbolSource} driven off of an extension point.
26  *
27  * @author Howard Lewis Ship
28  */
29 public class DefaultsSymbolSource extends BaseLocatable implements SymbolSource
30 {
31     private List JavaDoc _defaults;
32
33     private Map JavaDoc _symbols = new HashMap JavaDoc();
34
35     public String JavaDoc valueForSymbol(String JavaDoc name)
36     {
37         return (String JavaDoc) _symbols.get(name);
38     }
39
40     public void initializeService()
41     {
42         int count = _defaults.size();
43         for (int i = 0; i < count; i++)
44         {
45             FactoryDefault fd = (FactoryDefault) _defaults.get(i);
46
47             String JavaDoc symbol = fd.getSymbol();
48             String JavaDoc value = fd.getValue();
49
50             _symbols.put(symbol, value);
51         }
52     }
53
54     public void setDefaults(List JavaDoc list)
55     {
56         _defaults = list;
57     }
58 }
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