java_ struts _validatorform vs validatoractionform.pdf

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10/21/13 Java: Struts :ValidatorForm Vs ValidatorActionForm

maddy4java.blogspot.in/2012/07/struts-validatorform-vs.html

Java

Saturday, July 7, 2012

Posted by MADDYat 1:27 PM

Struts :ValidatorForm Vs ValidatorActionFormRecommend this on Google

ValidatorForm ValidatorActionForm

What Class provided by struts

framework for val idating form

fields

Clas s provi ded by struts framework for

validating form fields

Why Instead of manually using basic

validation using validate() method

in action cla ss, harnesses the rich

feature of val idation framework(

or descriptive validation)

provided by the struts using XML

Files(Validation-rule.xml &validations.xml)

Instead of manually usi ng basic

validation using validate() method in

action class, harnesses the rich feature

of validation framework( or descriptive

validation) provided by the struts using

XML Files(Validation-rule.xml &

validations.xml)

How By extending the form class

Ex:

Public class MyForm extends

ValidatorForm{

properties & getters setters

By extending the form class

Ex:

Public class MyForm extends

ValidatorActionForm{

properties & getters setters

Where In any web application which is

implemented using struts

In any web application which is

implemented using struts

Di fference It uses form name as identi fier to

invoke validation

It uses action name as i dentifier to

invoke validation

The validations.xml file will be

configured as

Ex

Validations.xml

---------------------------

----------------------------

struts-config.xml


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Labels:Advanced Java

type= -------- >

--- >

Benefi t Its a cl ear cut way to s ay that thi s

form has following vali dations.

Some times i t happens that a si ngle

form is shared by many actions or JSP

pages so to configure a single

validation for form would be overkill,

we are wasting time by valida ting all

fields which are not related to our

page.

A page can be disti nguished using

Action so i t is being used here to save

us from wastage.

Complete Example :

Wil l be posted on 09th July 2012.

Post a Comment

4 comments:

Anonymous said...

Very Good comparis on,can you please give me com parison between all available

action forms.

June 2, 2013 at 3:58 PM

Anonymous said...

Great comparison can you please provide Tiles sam ple program as well for struts 1.3.

June 15, 2013 at 8:57 AM

Anonymous said...

You have written execute(AM,AF,HSR,HSR) in ActionForm I think execute(,,,,) is in

Action right?

September 30, 2013 at 9:34 AM

MADDYsaid...

sorry Yup its my typo

October 4, 2013 at 12:45 PM

MADDY

A knowledge seeker with l ittle knowledge but sincere to answer.

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