Coverage Report - org.codehaus.plexus.component.configurator.expression.ExpressionEvaluator
 
Classes in this File Line Coverage Branch Coverage Complexity
ExpressionEvaluator
N/A
N/A
1
 
 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 interface ExpressionEvaluator
 28  
 {
 29  
     String ROLE = ExpressionEvaluator.class.getName();
 30  
     
 31  
     /**
 32  
      * Evaluate an expression.
 33  
      *
 34  
      * @param expression the expression
 35  
      * @return the value of the expression
 36  
      */
 37  
     Object evaluate( String expression )
 38  
         throws ExpressionEvaluationException;
 39  
 
 40  
     /**
 41  
      * Align a given path to the base directory that can be evaluated by this expression evaluator, if known.
 42  
      *
 43  
      * @param file the file
 44  
      * @return the aligned file
 45  
      */
 46  
     File alignToBaseDirectory( File file );
 47  
 }