Model Driven Interceptor In Struts2 Example Apr 2026

: The model object returned by getModel() must not be null; otherwise, the interceptor will ignore it and not push it onto the stack.

: It watches for actions that implement the ModelDriven interface and pushes the object returned by getModel() onto the top of the ValueStack . Model Driven Interceptor In Struts2 Example

: When used, validation is performed on the model object instead of the Action class itself. Implementation Example : The model object returned by getModel() must

import com.opensymphony.xwork2.ActionSupport; import com.opensymphony.xwork2.ModelDriven; public class LoginAction extends ActionSupport implements ModelDriven { // Model object must be initialized private User user = new User(); @Override public User getModel() { return user; } public String execute() { // Business logic uses the populated 'user' object return SUCCESS; } } Use code with caution. Copied to clipboard Configuration and Best Practices Implementation Example import com

: The interceptor has a refreshModelBeforeResult parameter. Setting it to true is useful if you change the model instance (e.g., loading a new object from a database) during the action execution and want the new instance on the stack before the result is rendered.