src/main/java/jp/sourceforge/stigmata/hook/StigmataHookManager.java

   1 package jp.sourceforge.stigmata.hook;
   2
   3 /*
   4  * $Id$
   5  */
   6
   7 import java.util.Iterator;
   8
   9 import jp.sourceforge.stigmata.BirthmarkContext;
  10 import jp.sourceforge.stigmata.BirthmarkEnvironment;
  11 import jp.sourceforge.stigmata.spi.StigmataHookSpi;
  12
  13 /**
  14  *
  15  * @author Haruaki Tamada
  16  * @version $Revision$ $Date
  17  */
  18 public class StigmataHookManager{
  19     private static final StigmataHookManager manager = new StigmataHookManager();
  20
  21     /**
  22      * private constructor for singleton pattern.
  23      */
  24     private StigmataHookManager(){
  25     }
  26
  27     public static StigmataHookManager getInstance(){
  28         return manager;
  29     }
  30
  31     public void runHook(Phase phase, BirthmarkContext context){
  32         StigmataRuntimeHook hook = buildHook(phase, context.getEnvironment());
  33         hook.onHook(phase, context);
  34     }
  35
  36     public void runHook(Phase phase, BirthmarkEnvironment env){
  37         StigmataHook hook = buildHook(phase, env);
  38         hook.onHook(phase, env);
  39     }
  40
  41     private MultipleStigmataHook buildHook(Phase phase, BirthmarkEnvironment env){
  42         MultipleStigmataHook hooks = new MultipleStigmataHook();
  43
  44         for(Iterator<StigmataHookSpi> i = env.lookupProviders(StigmataHookSpi.class); i.hasNext(); ){
  45             StigmataHookSpi service = i.next();
  46
  47             switch(phase){
  48             case SETUP:
  49                 hooks.addHook(service.onSetup());
  50                 break;
  51             case TEAR_DOWN:
  52                 hooks.addHook(service.onTearDown());
  53                 break;
  54             case BEFORE_EXTRACTION:
  55                 hooks.addRuntimeHook(service.beforeExtraction());
  56                 break;
  57             case AFTER_EXTRACTION:
  58                 hooks.addRuntimeHook(service.afterExtraction());
  59                 break;
  60             case BEFORE_COMPARISON:
  61                 hooks.addRuntimeHook(service.beforeComparison());
  62                 break;
  63             case AFTER_COMPARISON:
  64                 hooks.addRuntimeHook(service.afterComparison());
  65                 break;
  66             case BEFORE_FILTERING:
  67                 hooks.addRuntimeHook(service.beforeFiltering());
  68                 break;
  69             case AFTER_FILTERING:
  70                 hooks.addRuntimeHook(service.afterFiltering());
  71                 break;
  72             default:
  73                 throw new InternalError("invalid phase: " + phase);
  74             }
  75         }
  76         return hooks;
  77     }
  78 }