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validate( ) method
     indexed properties validation error problem
     overriding the ActionForm class
validate() method
     ActionErrors object returned
validation [See also Struts, Validator; validators]
     access to backend services for
     action mappings, enabled for
     action-based or path-based
    ActionForm class
         adding custom validations to
         custom
         fields, across all
         hand-coded
     check fails
     cross-field
     custom
     of dates
    of dependent fields
         1.1
         1.2
    of field equality
         1.1
         1.2
     global and form-set validator constants
     of indexed properties
     indexed properties error problems
     indexedListProperty, defining set of rules for
     localizing rules for
     login form example
     regular expressions, using
         evaluating
         requirements (1.1)
     of rows, multiple, common problem
     semantic validity 2nd
     syntactic validity 2nd
     syntax checks primary
     turning off for debugging
     two or more choices 2nd
     wizard-style forms
Validator [See Struts, Validator]
ValidatorForm class
ValidatorForm.validate() method
validators 2nd 3rd [See also Struts, Validator; validation]
     bundled with, list of
    custom
         field equality (1.1)
         field equality (1.2)
         Matt Raible's TwoFields custom validator
         minchoices pluggable validator
     date
     intRange
    mask
         regular expressions
         replacing required validator
         stricter formats with
     minlength
     required 2nd
     requiredif (1.2, deprecated) 2nd
         documentation web site
         limitations
     rule arguments for
     validations of with super.validate( ) 2nd
    validwhen (1.2, replaced requiredif) [See validwhen validator]
validwhen validator (1.2, replaced requiredif) 2nd 3rd
     cross-field validations
     documentation web site
     expression guidelines
     field equality
     limitations 2nd
     values allowed in
value object, President example
Velocity template engine
     configuration information for
     distribution and tools
     template example 2nd
     toolbox example 2nd
     Velocity view servlet declaration and mapping example