package biz.xsoftware.impl.mock;

 import java.lang.reflect.Method;

 import java.util.logging.Level;

 import java.util.logging.Logger;

 import biz.xsoftware.mock.Behavior;

 public final class BehaviorInfo implements Action {

     private static Logger log = Logger.getLogger(BehaviorInfo.class.getName());

     private Behavior behavior;

     private Method behaviorMethod;

     private Method clonerMethod;

     protected BehaviorInfo(Behavior behavior, Method method) {

         if (log.isLoggable(Level.FINEST)) {

             log.finest("creating new : " + behavior + " : " + method.getName());

         }

         if (behavior == null)

             throw new IllegalArgumentException("behavior cannot be null");

         else if (method == null)

             throw new IllegalArgumentException("method should not be null");

         this.behavior = behavior;

         this.behaviorMethod = method;

     }

     public Object execute(Object[] args) throws Throwable {

         try {

             if (log.isLoggable(Level.FINEST)) {

                 StringBuilder sb = new StringBuilder();

                 sb.append("about to execute ");

                 sb.append(behaviorMethod);

                 log.finest(sb.toString());

             }

             return behaviorMethod.invoke(behavior, args);

         } catch (Exception e) {

             if (log.isLoggable(Level.FINEST)) {

                 log.log(Level.FINEST, "failed in execution of " + behaviorMethod.getName() + ":" + e, e);

             }

             if (e.getCause() != null)

                 throw e.getCause();

             else

                 throw e;

         }

     }

     protected Object[] runClonerMethod(Object[] args) throws Throwable {

         return (Object[]) clonerMethod.invoke(behavior, args);

     }

     protected void setClonerMethod(Method clonerMethod) {

         this.clonerMethod = clonerMethod;

     }

     protected boolean hasClonerMethod() {

         if (clonerMethod == null)

             return false;

         return true;

     }

 }