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# Using Visitor Field Validator

## Description

The followings show a simple example using Webwork’s Field Validators

### Step 1

Create the jsp page.

    <s:fielderror cssClass="alert alert-error"/>

    <s:form method="POST" action="submitVisitorValidatorsExamples" namespace="/validation">
        <s:textfield name="user.name" label="User Name"/>
        <s:textfield name="user.age" label="User Age"/>
        <s:textfield name="user.birthday" label="Birthday"/>
        <s:submit label="Submit" cssClass="btn btn-primary"/>
    </s:form>

### Step 2

Create the action class.

    public class VisitorValidatorsExampleAction extends AbstractValidationActionSupport {

        private User user;

        public User getUser() {
            return user;
        }

        public void setUser(User user) {
            this.user = user;
        }
    }

### Step 3

Create the `validator.xml`.

    <validators>
        <field name="user">
            <field-validator type="visitor">
                <param name="context">userContext</param>
                <param name="appendPrefix">true</param>
                <message>User:</message>
            </field-validator>
        </field>
    </validators>