Coverage Report - org.codehaus.plexus.interpolation.ValueSource
 
Classes in this File Line Coverage Branch Coverage Complexity
ValueSource
N/A
N/A
1
 
 1  
 package org.codehaus.plexus.interpolation;
 2  
 
 3  
 import java.util.List;
 4  
 
 5  
 /*
 6  
  * Copyright 2001-2008 Codehaus Foundation.
 7  
  *
 8  
  * Licensed under the Apache License, Version 2.0 (the "License");
 9  
  * you may not use this file except in compliance with the License.
 10  
  * You may obtain a copy of the License at
 11  
  *
 12  
  *      http://www.apache.org/licenses/LICENSE-2.0
 13  
  *
 14  
  * Unless required by applicable law or agreed to in writing, software
 15  
  * distributed under the License is distributed on an "AS IS" BASIS,
 16  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 17  
  * See the License for the specific language governing permissions and
 18  
  * limitations under the License.
 19  
  */
 20  
 
 21  
 /**
 22  
  * Supplies one strategy for resolving a value for an interpolation expression.
 23  
  * ValueSources may be stacked.
 24  
  * @version $Id$
 25  
  */
 26  
 public interface ValueSource
 27  
 {
 28  
 
 29  
     /**
 30  
      * @return the value related to the expression, or null if not found.
 31  
      */
 32  
     public Object getValue( String expression );
 33  
 
 34  
     /**
 35  
      * Return the feedback about resolution failures for a particular expression.
 36  
      *
 37  
      * @return a combination of String and Throwable instances, where strings
 38  
      * related to throwables are listed first.
 39  
      */
 40  
     List getFeedback();
 41  
 
 42  
     /**
 43  
      * Clear the feedback accumulated by a prior interpolation run.
 44  
      */
 45  
     void clearFeedback();
 46  
 }