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Java > Open Source Codes > org > apache > hivemind > SymbolSource


1 // Copyright 2004, 2005 The Apache Software Foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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15 package org.apache.hivemind;
16
17 /**
18  * Used to define an object that can provide a value for a substitution symbol
19  * (substitution symbol can appear in HiveMind module deployment descriptors).
20  *
21  * @author Howard Lewis Ship
22  */

23
24 public interface SymbolSource
25 {
26     /**
27      * Returns the value for the symbol, if this source can provide one.
28      * Returns null if the source can not provide a value.
29      */

30     public String JavaDoc valueForSymbol(String JavaDoc name);
31 }
32
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