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1   package org.codehaus.plexus.component.configurator.expression;
2   
3   /*
4    * Copyright 2001-2006 Codehaus Foundation.
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * 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, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  import java.io.File;
20  
21  /**
22   * Evaluate an expression.
23   *
24   * @author <a href="mailto:brett@codehaus.org">Brett Porter</a>
25   * @version $Id$
26   */
27  public class DefaultExpressionEvaluator
28      implements ExpressionEvaluator
29  {
30      /**
31       * Evaluate an expression.
32       *
33       * @param expression the expression
34       * @return the value of the expression
35       */
36      public Object evaluate( String expression )
37      {
38          return expression;
39      }
40  
41      public File alignToBaseDirectory( File file )
42      {
43          return file;
44      }
45  }