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Struts 2 url validation example

The url validator checks that given value is string and a valid url. It can be used in website url, reciprocal links etc.

Parameters of url validator

There is only 1 parameter defined for url validator.

ParameterDescription
fieldNamespecifies the field name that is to be validated. It is required in Plain-Validator only.

Example of url validator

Full example of url validator

1) Create index.jsp for input

This jsp page creates a form using struts UI tags. It receives name, password and email id from the user.

index.jsp

2) Create the action class

This action class inherits the ActionSupport class and overrides the execute method.

RegisterAction.java

3) Create the validation file

Here, we are using bundled validators to perform the validation.

Register-validation.xml

4) Create struts.xml

This xml file defines an extra result by the name input, and an interceptor jsonValidatorWorkflowStack.

struts.xml

5) Create view component

It is the simple jsp file displaying the information of the user.

welcome.jsp




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