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

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