src/main/java/jp/sourceforge/stigmata/filter/AbstractComparisonPairFilter.java

   1 package jp.sourceforge.stigmata.filter;
   2
   3 /*
   4  * $Id$
   5  */
   6
   7 import jp.sourceforge.stigmata.ComparisonPairFilter;
   8 import jp.sourceforge.stigmata.spi.ComparisonPairFilterSpi;
   9
  10 /**
  11  *
  12  * @author Haruaki TAMADA
  13  */
  14 public abstract class AbstractComparisonPairFilter implements ComparisonPairFilter{
  15     private ComparisonPairFilterSpi service;
  16     private Criterion criterion = Criterion.EQUALS_AS;
  17
  18     public AbstractComparisonPairFilter(ComparisonPairFilterSpi service){
  19         this.service = service;
  20     }
  21
  22     @Override
  23     public ComparisonPairFilterSpi getService(){
  24         return service;
  25     }
  26
  27     @Override
  28     public Criterion getCriterion(){
  29         return criterion;
  30     }
  31
  32     @Override
  33     public void setCriterion(Criterion criterion){
  34         if(!isAcceptable(criterion)){
  35             throw new IllegalArgumentException("illegal criterion: "
  36                     + criterion + ": accepts only " + getAcceptableCriteria());
  37         }
  38         this.criterion = criterion;
  39     }
  40
  41     @Override
  42     public boolean isAcceptable(Criterion criterion){
  43         Criterion[] criteria = getAcceptableCriteria();
  44         for(int i = 0; i < criteria.length; i++){
  45             if(criteria[i] == criterion){
  46                 return true;
  47             }
  48         }
  49         return false;
  50     }
  51 }