1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20 package org.apache.geronimo.system.configuration.condition;
21
22 /**
23 * Provides a simple facility to evaluate condition expressions.
24 *
25 * @version $Rev: 454011 $ $Date: 2006-10-07 13:28:45 -0700 (Sat, 07 Oct 2006) $
26 */
27 public interface ConditionParser
28 {
29 /**
30 * Evaluate a condition expression.
31 *
32 * @param expression The condition expression to evaluate; must not be null
33 * @return True if the condition is satisfied
34 *
35 * @throws ConditionParserException Failed to evaluate condition expression
36 */
37 boolean evaluate(String expression) throws ConditionParserException;
38 }