com.groiss.storegui

Interface ObjectFormHandler<T extends Persistent>

All Known Implementing Classes:

ObjectFormAdapter

public interface ObjectFormHandler<T extends Persistent>

This interface is used for writing callback classes for persistents.

Method Summary

Modifier and Type	Method and Description
default void	beforeShow(T obj, FormContext ctx, HttpServletRequest req) This method will be called before the page for the passed form is build.
default void	onShow(T obj, FormContext ctx, XHTMLPage p, HttpServletRequest req) This method is called before the form is sent to the browser.

Method Detail

beforeShow

default void beforeShow(T obj,
                        FormContext ctx,
                        HttpServletRequest req)
                 throws Exception

This method will be called before the page for the passed form is build. This allows particularly to set default values for form attributes which will be used when building the page.

Parameters:

obj - the object to show

ctx - holds context information for the form

req - the http request requesting the form's page

Throws:

Exception

onShow

default void onShow(T obj,
                    FormContext ctx,
                    XHTMLPage p,
                    HttpServletRequest req)
             throws Exception

This method is called before the form is sent to the browser.

Parameters:

obj - the object to show

ctx - holds context information for the form

p - the xhtml page which will be sent to the browser

req - the http request requesting the form's page

Throws:

Exception