Coverage Report - org.codehaus.plexus.component.configurator.expression.TypeAwareExpressionEvaluator
 
Classes in this File Line Coverage Branch Coverage Complexity
TypeAwareExpressionEvaluator
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  
 /**
 20  
  * Evaluate an expression.
 21  
  *
 22  
  * @author <a href="mailto:brett@codehaus.org">Brett Porter</a>
 23  
  * @version $Id$
 24  
  */
 25  
 public interface TypeAwareExpressionEvaluator
 26  
     extends ExpressionEvaluator
 27  
 {
 28  
 
 29  
     /**
 30  
      * Evaluate an expression. The optional type provided to this method is a hint (not a requirement) for the evaluator
 31  
      * to resolve the expression to a compatible value. The evaluator is not expected to perform any conversion but
 32  
      * rather filter out incompatible values from its result.
 33  
      * 
 34  
      * @param expression the expression
 35  
      * @param type The expected type of expression result, may be {@code null}.
 36  
      * @return the value of the expression
 37  
      */
 38  
     Object evaluate( String expression, Class<?> type )
 39  
         throws ExpressionEvaluationException;
 40  
 
 41  
 }