INTERVIEW QUESTIONS J2EE STRUTS DETAILS

Question: Explain about token feature in Struts?

Answer: <b>Use the Action Token methods to prevent duplicate submits</b>:
<P>
There are methods built into the Struts action to generate one-use tokens. A token is placed in the session when a form is populated and also into the HTML form as a hidden property. When the form is returned, the token is validated. If validation fails, then the form has already been submitted, and the user can be apprised.
<ul>
<li> saveToken(request)
<li> on the return trip,
<li> isTokenValid(request)
<li> resetToken(request)

Submitted by Rajesh Khanna ( [email protected] )

<b>Use the Action Token methods to prevent duplicate submits</b>:
<P>
There are methods built into the Struts action to generate one-use tokens. A token is placed in the session when a form is populated and also into the HTML form as a hidden property. When the form is returned, the token is validated. If validation fails, then the form has already been submitted, and the user can be apprised.
<ul>
<li> saveToken(request)
<li> on the return trip,
<li> isTokenValid(request)
<li> resetToken(request)

Submitted by Rajesh Khanna ( [email protected] ) Source: CoolInterview.com

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