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Java > Open Source Codes > org > apache > geronimo > system > configuration > condition > ConditionParser


1 /**
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 package org.apache.geronimo.system.configuration.condition;
18
19 /**
20  * Provides a simple facility to evaluate condition expressions.
21  *
22  * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
23  */
24 public interface ConditionParser
25 {
26     /**
27      * Evaluate a condition expression.
28      *
29      * @param expression The condition expression to evaluate; must not be null
30      * @return True if the condition is satisfied
31      *
32      * @throws ConditionParserException Failed to evaluate condition expression
33      */
34     boolean evaluate(String JavaDoc expression) throws ConditionParserException;
35 }
36
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