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

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