src/main/java/jp/sourceforge/stigmata/birthmarks/kgram/KGramBasedBirthmarkService.java

   1 package jp.sourceforge.stigmata.birthmarks.kgram;
   2
   3 /*
   4  * $Id$
   5  */
   6
   7 import jp.sourceforge.stigmata.BirthmarkComparator;
   8 import jp.sourceforge.stigmata.BirthmarkElement;
   9 import jp.sourceforge.stigmata.BirthmarkExtractor;
  10 import jp.sourceforge.stigmata.birthmarks.AbstractBirthmarkService;
  11 import jp.sourceforge.stigmata.birthmarks.comparators.LogicalAndBirthmarkComparator;
  12 import jp.sourceforge.stigmata.spi.BirthmarkSpi;
  13
  14 /**
  15  *
  16  *
  17  *
  18  * @author Haruaki TAMADA
  19  * @version $Revision$
  20  */
  21 public class KGramBasedBirthmarkService extends AbstractBirthmarkService implements BirthmarkSpi{
  22     private BirthmarkComparator comparator = new LogicalAndBirthmarkComparator(this);
  23     private BirthmarkExtractor extractor = new KGramBasedBirthmarkExtractor(this);
  24
  25     @Override
  26     public String getType(){
  27         return "kgram";
  28     }
  29
  30     @Override
  31     public String getDefaultDescription(){
  32         return "k-gram based birthmark.";
  33     }
  34
  35     @Override
  36     public BirthmarkExtractor getExtractor(){
  37         return extractor;
  38     }
  39
  40     @Override
  41     public BirthmarkComparator getComparator(){
  42         return comparator;
  43     }
  44
  45     @Override
  46     public boolean isExperimental(){
  47         return false;
  48     }
  49
  50     @Override
  51     public boolean isUserDefined(){
  52         return false;
  53     }
  54
  55         @Override
  56         public BirthmarkElement buildBirthmarkElement(String value) {
  57                 value = value.trim();
  58                 if(value.startsWith("{") && value.endsWith("}")){
  59                         String[] param = value.substring(1, value.length() - 1).split(", *");
  60                         KGram<Integer> kgram = new KGram<Integer>(param.length);
  61                         for(int i = 0; i < param.length; i++){
  62                                 kgram.set(i, new Integer(param[i].trim()));
  63                         }
  64                         return new KGramBasedBirthmarkElement<Integer>(kgram);
  65                 }
  66                 return null;
  67         }
  68 }