package proxytest;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

public class TokenInvocationHandler implements InvocationHandler
{
  private Object _instance;
  
  /**
   * 
   * @param anInstance is the object you get from serialization
   */
  public TokenInvocationHandler(Object anInstance)
  {
    _instance = anInstance;  
  }
  
  public Object invoke(Object proxy, Method method, Object[] args) throws Throwable
  {
    try
    {
      Method meth = _instance.getClass().getMethod(method.getName(), method.getParameterTypes());
      if (null != meth)
      {
        return meth.invoke(_instance, args);
      }
      else
      {
        throw new UnsupportedOperationException(method.getName() + " not found in the serialized Token");
      }
    }
    catch (InvocationTargetException e)
    {
      throw e;
    }
    catch (Exception e)
    {
      // TODO traitement des exceptions propre au proxy..
      e.printStackTrace();
    }
    
    return null;
  }
  
}