KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > hivemind > 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.impl;
16
17 import java.util.ArrayList JavaDoc;
18 import java.util.Collection JavaDoc;
19 import java.util.HashMap JavaDoc;
20 import java.util.List JavaDoc;
21 import java.util.Map JavaDoc;
22
23 import org.apache.hivemind.SymbolSource;
24 import org.apache.hivemind.impl.BaseLocatable;
25
26 /**
27  * Implementation of {@link org.apache.hivemind.SymbolSource} driven off of an extension point.
28  *
29  * @author Howard Lewis Ship
30  */
31 public class DefaultsSymbolSource extends BaseLocatable implements SymbolSource
32 {
33     private List JavaDoc _defaults;
34
35     private Map JavaDoc _symbols = new HashMap JavaDoc();
36
37     public String JavaDoc valueForSymbol(String JavaDoc name)
38     {
39         return (String JavaDoc) _symbols.get(name);
40     }
41
42     public void initializeService()
43     {
44         int count = _defaults.size();
45         for (int i = 0; i < count; i++)
46         {
47             FactoryDefault fd = (FactoryDefault) _defaults.get(i);
48
49             String JavaDoc symbol = fd.getSymbol();
50             String JavaDoc value = fd.getValue();
51
52             _symbols.put(symbol, value);
53         }
54     }
55
56     public void setDefaults(Collection JavaDoc defaults)
57     {
58         _defaults = new ArrayList JavaDoc(defaults);
59     }
60 }
Popular Tags