/** @see org.vraptor.Interceptor#intercept(org.vraptor.LogicFlow) */
public void intercept(LogicFlow flow) throws LogicException, ViewException {
// if a extended component marked as component,
// the extended method read as normal Logic Method
// if Directly invoke the extended logicMethod,
// redirect to index page
LogicRequest logicRequest = flow.getLogicRequest();
ServletContext servletContext = logicRequest.getServletContext();
WebApplication application =
(WebApplication) servletContext.getAttribute(WebApplication.class.getName());
Introspector introspector = application.getIntrospector();
BeanProvider beanProvider = introspector.getBeanProvider();
if (isExtendedAnnotationPresent(logicRequest)) {
// redirect to index page
ViewService viewService =
(ViewService) beanProvider.findAttribute(logicRequest, ViewService.class.getName());
viewService.redirectToAction(Domain.FORUMS, Actions.LIST);
}
// TODO: preMethed if need this feature
// normal logic method execute
flow.execute();
// extend method exectute if need
ActionExtensionManager manager =
(ActionExtensionManager)
servletContext.getAttribute(ActionExtensionManager.class.getName());
LogicDefinition logicDefinition = logicRequest.getLogicDefinition();
List<LogicDefinition> extendedLogicDefinitions = manager.getLogicDefinition(logicDefinition);
for (LogicDefinition extendedLogicDefinition : extendedLogicDefinitions) {
this.execute(extendedLogicDefinition, logicRequest);
}
}
private Object[] readParameter(
LogicRequest logicRequest, LogicMethod logicMethod, Object componentInstance)
throws SettingException {
WebApplication application =
(WebApplication)
logicRequest.getServletContext().getAttribute(WebApplication.class.getName());
Introspector introspector = application.getIntrospector();
List<MethodParameter> methodParams = logicMethod.getParameters();
List<ReadParameter> allParams = new ArrayList<ReadParameter>();
allParams.addAll(methodParams);
// instantiate parameters
Object[] methodParamObjects = new Object[methodParams.size()];
for (int i = 0; i < methodParamObjects.length; i++) {
try {
methodParamObjects[i] = methodParams.get(i).newInstance();
} catch (ComponentInstantiationException e) {
methodParamObjects[i] = null;
}
}
List<ValidationMessage> problems =
introspector.readParameters(
allParams,
componentInstance,
logicRequest,
application.getConverterManager(),
methodParamObjects);
if (problems.size() != 0) {
throw new SettingException(problems.toString());
}
return methodParamObjects;
}