net.anotheria.anosite.action.Action Maven / Gradle / Ivy
package net.anotheria.anosite.action;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
/**
* An action is something which can be performed by the user. A typical action is sendMessage or deleteMessage in a messaging system, both actions which do not
* render an immediate result. Instead they delegate the user to the proper page. Same is happening here, the action returns an ActionCommand which is usually a
* redirect (throw browser redirect or direct forward) to another page.
* @author lrosenberg
*
*/
public interface Action {
/**
* Executes the action.
* @param req the http request.
* @param resp the http response.
* @param mapping default mapping as configured in the CMS.
* @return {@link ActionCommand}
* @throws Exception on different kind of errors
*/
ActionCommand execute(HttpServletRequest req, HttpServletResponse resp, ActionMapping mapping) throws Exception;
}