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java.lang.Objectcom.opensymphony.xwork.validator.validators.ValidatorSupport
com.opensymphony.xwork.validator.validators.FieldValidatorSupport
com.opensymphony.xwork.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 |
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Fields inherited from class com.opensymphony.xwork.validator.validators.ValidatorSupport |
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defaultMessage, log, messageKey |
Constructor Summary | |
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RequiredFieldValidator()
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Method Summary | |
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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.xwork.validator.validators.FieldValidatorSupport |
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getFieldName, getValidatorType, setFieldName, setValidatorType |
Methods inherited from class com.opensymphony.xwork.validator.validators.ValidatorSupport |
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addActionError, addFieldError, getDefaultMessage, getFieldValue, getMessage, getMessageKey, getValidatorContext, isShortCircuit, setDefaultMessage, setMessageKey, setShortCircuit, setValidatorContext |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface com.opensymphony.xwork.validator.Validator |
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getDefaultMessage, getMessage, getMessageKey, getValidatorContext, setDefaultMessage, setMessageKey, setValidatorContext |
Constructor Detail |
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public RequiredFieldValidator()
Method Detail |
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public void validate(java.lang.Object object) throws ValidationException
Validator
ValidationException
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