Package org.apache.tapestry5.validator
Class Regexp
java.lang.Object
org.apache.tapestry5.validator.AbstractValidator<Pattern,String>
org.apache.tapestry5.validator.Regexp
Enforces that the input matches a provided regular expression.
Starting in 5.4, this always writes the pattern and title attribute, even when client validation is not enabled.
The title attribute is used specially by modern browsers, in concert with pattern.
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Field Summary
Fields inherited from class org.apache.tapestry5.validator.AbstractValidator
javaScriptSupport
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoid
render
(Field field, Pattern constraintValue, MessageFormatter formatter, MarkupWriter writer, FormSupport formSupport) Hook used by components to allow the validator to contribute additional attributes or (more often) client-side JavaScript (via theFormSupport.addValidation(Field, String, String, Object)
).void
validate
(Field field, Pattern constraintValue, MessageFormatter formatter, String value) Invoked after the client-submitted value has beentranslated
to check that the value conforms to expectations (often, in terms of minimum or maximum value).Methods inherited from class org.apache.tapestry5.validator.AbstractValidator
getConstraintType, getMessageKey, getValueType, isRequired
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Constructor Details
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Regexp
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Method Details
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render
public void render(Field field, Pattern constraintValue, MessageFormatter formatter, MarkupWriter writer, FormSupport formSupport) Description copied from interface:Validator
Hook used by components to allow the validator to contribute additional attributes or (more often) client-side JavaScript (via theFormSupport.addValidation(Field, String, String, Object)
).- Parameters:
field
- the field which is currently being renderedconstraintValue
- the value used to constrain inputformatter
- validation message, in the appropriate localewriter
- markup writer, allowing additional attributes to be written into the active elementformSupport
- used to add JavaScript
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validate
public void validate(Field field, Pattern constraintValue, MessageFormatter formatter, String value) throws ValidationException Description copied from interface:Validator
Invoked after the client-submitted value has beentranslated
to check that the value conforms to expectations (often, in terms of minimum or maximum value). If and only if the value is approved by all Validators is the value applied by the field.- Parameters:
field
- the field for which a client submitted value is being validatedconstraintValue
- the value used to constrainformatter
- Validation messages, in the appropriate localevalue
- the translated value supplied by the user- Throws:
ValidationException
- if the value violates the constraint
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