public InterceptorStack(Object beanInstance,
    Method targetMethod,
    Operation operation,
    List interceptorDatas,
    Map interceptorInstances) 
{
        if (interceptorDatas == null) throw new NullPointerException("interceptorDatas is null");
        if (interceptorInstances == null) throw new NullPointerException("interceptorInstances is null");
        this.beanInstance = beanInstance;
        this.targetMethod = targetMethod;
        this.operation = operation;
        interceptors = new ArrayList< Interceptor >(interceptorDatas.size());
        for (InterceptorData interceptorData : interceptorDatas) {
            Class interceptorClass = interceptorData.getInterceptorClass();
            Object interceptorInstance = interceptorInstances.get(interceptorClass.getName());
            if (interceptorInstance == null) {
                throw new IllegalArgumentException("No interceptor of type " + interceptorClass.getName());
            }
            List< Method > methods = interceptorData.getMethods(operation);
            for (Method method : methods) {
                Interceptor interceptor = new Interceptor(interceptorInstance, method);
                interceptors.add(interceptor);
            }
        }
}

 public InvocationContext createInvocationContext(Object parameters) 
{
        InvocationContext invocationContext = new ReflectionInvocationContext(operation, interceptors, beanInstance, targetMethod, parameters);
        return invocationContext;
}

 public Object invoke(Object parameters) throws Exception 
{
        InvocationContext invocationContext = createInvocationContext(parameters);
        Object value = invocationContext.proceed();
        return value;
}

 public Object invoke(MessageContext messageContext,
    Object parameters) throws Exception 
{
        InvocationContext invocationContext = new JaxWsInvocationContext(operation, interceptors, beanInstance, targetMethod, messageContext, parameters);
        Object value = invocationContext.proceed();
        return value;
}

 public Object invoke(MessageContext messageContext,
    Object parameters) throws Exception 
{
        InvocationContext invocationContext = new JaxRpcInvocationContext(operation, interceptors, beanInstance, targetMethod, messageContext, parameters);
        Object value = invocationContext.proceed();
        return value;
}