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1   /*
2    * Copyright 2012-2013 smartics, Kronseder & Reiner GmbH
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package de.smartics.properties.spi.config.resolve;
17  
18  /**
19   * Resolves property value expressions.
20   */
21  public interface PropertyValueResolver
22  {
23    // ********************************* Fields *********************************
24  
25    // --- constants ------------------------------------------------------------
26  
27    // ****************************** Initializer *******************************
28  
29    // ****************************** Inner Classes *****************************
30  
31    // ********************************* Methods ********************************
32  
33    // --- get&set --------------------------------------------------------------
34  
35    // --- business -------------------------------------------------------------
36  
37    // --- object basics --------------------------------------------------------
38  
39    /**
40     * Resolves the expression.
41     *
42     * @param expression the expression to resolve from place holders.
43     * @return the resolved expression.
44     * @throws ResolveConfigurationException on any problem resolving the
45     *           expression.
46     */
47    String resolve(String expression) throws ResolveConfigurationException;
48  
49  }