src/main/java/jp/sourceforge/stigmata/command/CompareCommand.java

   1 package jp.sourceforge.stigmata.command;
   2
   3 /*
   4  * $Id$
   5  */
   6
   7 import java.io.PrintWriter;
   8 import java.util.Iterator;
   9
  10 import jp.sourceforge.stigmata.BirthmarkContext;
  11 import jp.sourceforge.stigmata.BirthmarkEngine;
  12 import jp.sourceforge.stigmata.ComparisonMethod;
  13 import jp.sourceforge.stigmata.ComparisonResultSet;
  14 import jp.sourceforge.stigmata.ExtractionResultSet;
  15 import jp.sourceforge.stigmata.Stigmata;
  16 import jp.sourceforge.stigmata.event.BirthmarkEngineAdapter;
  17 import jp.sourceforge.stigmata.event.BirthmarkEngineEvent;
  18 import jp.sourceforge.stigmata.event.WarningMessages;
  19 import jp.sourceforge.stigmata.printer.ComparisonResultSetPrinter;
  20 import jp.sourceforge.stigmata.spi.ResultPrinterSpi;
  21
  22 /**
  23  *
  24  * @author Haruaki Tamada
  25  * @version $Revision$
  26  */
  27 public class CompareCommand extends AbstractStigmataCommand{
  28     public boolean isAvailableArguments(String[] args){
  29         return args.length > 0;
  30     }
  31
  32     @Override
  33     public String getCommandString(){
  34         return "compare";
  35     }
  36
  37     public void perform(Stigmata stigmata, BirthmarkContext context, String[] args){
  38         try{
  39             BirthmarkEngine engine = new BirthmarkEngine(context.getEnvironment());
  40             context.setComparisonMethod(ComparisonMethod.ROUND_ROBIN_SAME_PAIR);
  41             engine.addBirthmarkEngineListener(new BirthmarkEngineAdapter(){
  42                 public void operationDone(BirthmarkEngineEvent e){
  43                     WarningMessages warnings = e.getMessage();
  44                     for(Iterator<Exception> i = warnings.exceptions(); i.hasNext(); ){
  45                         i.next().printStackTrace();
  46                     }
  47                 }
  48             });
  49
  50             ExtractionResultSet rs = engine.extract(args, context);
  51             ComparisonResultSet resultset = engine.compare(rs);
  52             if(context.hasFilter()){
  53                 resultset = engine.filter(resultset);
  54             }
  55
  56             ResultPrinterSpi spi = stigmata.getPrinterManager().getService(context.getFormat());
  57             ComparisonResultSetPrinter formatter = spi.getComparisonResultSetPrinter();
  58             formatter.printResult(new PrintWriter(System.out), resultset);
  59         }catch(Exception e){
  60             e.printStackTrace();
  61         }
  62     }
  63 }