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public interface Validator
Interface for validating a field's value.
Method Summary | |
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java.lang.String |
validate(Field<?> field,
java.lang.String value)
Validates the fields value. |
Method Detail |
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java.lang.String validate(Field<?> field, java.lang.String value)
field
- the fieldvalue
- the value to validate
null
if validation passes, otherwise the error message
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