JSF f:validateLength

by Online Tutorials Library July 14, 2022

JSF <f:validateLength> Tag

It is used to check whether the length of a component’s value is within a certain range or not. The value must be a java.lang.String.

Tag Attributes

Attribute	Description
minimum	It is used to set minimum length for the component.
maximum	It is used to set maximum length for the component.

// index.xhtml

 <h:form id=”user-form”> <h:outputLabel for=”name”>User Name</h:outputLabel><br/> <h:inputText id=”user-name” value=”#{user.name}”> <f:validateLength  minimum=”5″  maximum=”10″/> </h:inputText><br/> <h:commandButton value=”OK” action=”response.xhtml”></h:commandButton> </h:form> 

// User.java

 import javax.faces.bean.ManagedBean; import javax.faces.bean.RequestScoped; import javax.validation.constraints.NotNull; @ManagedBean @RequestScoped public class User{ @NotNull String name; public String getName() { return name; } public void setName(String name) { this.name = name; } } 

Output:

JSF F validatelength tag 1

JSF F validatelength tag 2

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