Apache Struts 2 Documentation > Home > Guides > Core Developers Guide > Validation > url validator

Description

URLValidator checks that a given field is a String and a valid URL

Parameters

  • fieldName - The field name this validator is validating. Required if using Plain-Validator Syntax otherwise not required

Examples

<validators>
     <!-- Plain Validator Syntax -->
     <validator type="url">
         <param name="fieldName">myHomePage</param>
         <message>Invalid homepage url</message>
     </validator>

     <!-- Field Validator Syntax -->
     <field name="myHomepage">
         <field-validator type="url">
             <message>Invalid homepage url</message>
         </field-validator>
     </field>
</validators>