techisbeautiful

@ManagedBean
@RequestScoped
public class Bean {
    @EJB
    private ProductService productService;
    
    // Rest of the code
}

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<h:inputText id="username" value="#{bean.username}" required="true" />
<h:message for="username" />

<h:inputSecret id="password" value="#{bean.password}" required="true" />
<h:message for="password" />

techisbeautiful

<h:inputText value="#{bean.name}" />

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<h:commandButton value="Submit" action="#{bean.submit}" />
<h:outputText value="#{bean.message}" rendered="#{not empty bean.message}" />

techisbeautiful

@ManagedBean
@RequestScoped
public class Bean {
    private String username;
    private String password;
    
    // Getters and setters
    
    public String login() {
        // Business logic for login

techisbeautiful

<h:commandButton value="Submit" action="#{bean.submit}" />

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public class LoginForm extends ActionForm {
    @RequiredFieldValidator(message = "Username is required.")
    private String username;
    
    @RequiredFieldValidator(message = "Password is required.")
    private String password;
    
    // Getters and setters
}

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public class CustomValidator implements Validator {
    public void validate(Object object) throws ValidationException {
        // Custom validation logic
    }
}

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<%@ taglib prefix="html" uri="http://struts.apache.org/tags-html" %>
<html:form action="/login">
    <html:text property="username" />
    <html:password property="password" />
    <html:submit value="Login" />
</html:form>

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public class LoginAction extends Action {
    public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
        LoginForm loginForm = (LoginForm) form;
        String username = loginForm.getUsername();
        String password = loginForm.getPassword();
        
        // Perform authentication and other business logic
        
        return mapping.findForward("success");
    }