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java.lang.Objectcom.opensymphony.xwork2.validator.validators.ValidatorSupport
com.opensymphony.xwork2.validator.validators.FieldValidatorSupport
com.opensymphony.xwork2.validator.validators.RequiredFieldValidator
public class RequiredFieldValidator
RequiredFieldValidator checks if the specified field is not null.
<validators>
<!-- Plain Validator Syntax -->
<validator type="required">
<param name="fieldName">username</param>
<message>username must not be null</message>
</validator>
<!-- Field Validator Syntax -->
<field name="username">
<field-validator type="required">
<message>username must not be null</message>
</field-validator>
</field>
</validators>
| Field Summary |
|---|
| Fields inherited from class com.opensymphony.xwork2.validator.validators.ValidatorSupport |
|---|
defaultMessage, log, messageKey |
| Constructor Summary | |
|---|---|
RequiredFieldValidator()
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| Method Summary | |
|---|---|
void |
validate(java.lang.Object object)
The validation implementation must guarantee that setValidatorContext will be called with a non-null ValidatorContext before validate is called. |
| Methods inherited from class com.opensymphony.xwork2.validator.validators.FieldValidatorSupport |
|---|
getFieldName, getValidatorType, setFieldName, setValidatorType |
| Methods inherited from class com.opensymphony.xwork2.validator.validators.ValidatorSupport |
|---|
addActionError, addFieldError, conditionalParse, getDefaultMessage, getFieldValue, getMessage, getMessageKey, getMessageParameters, getParse, getValidatorContext, isShortCircuit, setDefaultMessage, setMessageKey, setMessageParameters, setParse, setShortCircuit, setValidatorContext, setValueStack |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Methods inherited from interface com.opensymphony.xwork2.validator.Validator |
|---|
getDefaultMessage, getMessage, getMessageKey, getMessageParameters, getValidatorContext, setDefaultMessage, setMessageKey, setMessageParameters, setValidatorContext, setValueStack |
| Constructor Detail |
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public RequiredFieldValidator()
| Method Detail |
|---|
public void validate(java.lang.Object object)
throws ValidationException
Validator
object - the object to be validated.
ValidationException - is thrown if there is validation error(s).
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