oracle.jbo.rules
Class JboMethodValidator

java.lang.Object
oracle.jbo.rules.AbstractValidator
oracle.jbo.rules.JboAbstractValidator
oracle.jbo.rules.JboMethodValidator

All Implemented Interfaces:

JboValidatorInterface

public class JboMethodValidator

extends JboAbstractValidator

implements JboValidatorInterface

A validator that tests values by passing them to a validation method.

The validation method must be public, take a single Object parameter and return Boolean.

Since:

Jdeveloper 3.0

Field Summary

Fields inherited from class oracle.jbo.rules.JboAbstractValidator

mSource, mValidatingAttr, mValidatingAttrName

Fields inherited from class oracle.jbo.rules.AbstractValidator

mbInverse, mDescription, mErrorMessageClass, mMsgId

Constructor Summary

JboMethodValidator()
Creates a validator without assigning its validation method.

JboMethodValidator(java.lang.String methodName, java.lang.Class entityClz, java.lang.Class clz)
Creates a validator given the name of the validation method.

Method Summary

java.lang.String	getErrorMsgId()
java.lang.reflect.Method	getMethod() Gets the method invoked by this validator.
java.lang.String	getMethodName() Gets the name of the method invoked by this validator.
void	setMethodName(java.lang.String mthName) Sets the name of the method invoked by this validator.
java.lang.String	toString() Internal: For debugging purposes only.
void	validate(JboValidatorContext evObj) Tests the validity of an attribute value.
boolean	validateValue(java.lang.Object value) Validate an object by passing it to the validation method.

Methods inherited from class oracle.jbo.rules.JboAbstractValidator

getNewValue, getValidatingAttributeName, initialize, setNewValue, setValidatingAttribute, setValidatingAttribute, setValidatingAttributeName

Methods inherited from class oracle.jbo.rules.AbstractValidator

convertToJava, getDescription, getErrorMessageClass, getInverse, setDescription, setErrorMessageClass, setErrorMsgId, setInverse

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface oracle.jbo.rules.JboValidatorInterface

getDescription, setDescription

Constructor Detail

JboMethodValidator

public JboMethodValidator()

Creates a validator without assigning its validation method.

JboMethodValidator

public JboMethodValidator(java.lang.String methodName,
                          java.lang.Class entityClz,
                          java.lang.Class clz)

Creates a validator given the name of the validation method.

Method Detail

getErrorMsgId

public java.lang.String getErrorMsgId()

Overrides:

getErrorMsgId in class AbstractValidator

validate

public void validate(JboValidatorContext evObj)

Description copied from interface: JboValidatorInterface

Tests the validity of an attribute value.

Specified by:

validate in interface JboValidatorInterface

Overrides:

validate in class JboAbstractValidator

validateValue

public boolean validateValue(java.lang.Object value)
                      throws JboException

Validate an object by passing it to the validation method.

Specified by:

validateValue in class JboAbstractValidator

Parameters:

value - the object to be validated.

Returns:

false if the validation method cannot be found or if the validation method throws an exception that is not a instance of JboException. Otherwise, pass on the boolean value returned by the validation method.

Throws:

JboException - if the validation method throws an instance of JboException.

setMethodName

public void setMethodName(java.lang.String mthName)

Sets the name of the method invoked by this validator.

Parameters:

mthName - the name of a Java method. The method must be public, take a single Object parameter and return Boolean.

getMethodName

public java.lang.String getMethodName()

Gets the name of the method invoked by this validator.

Returns:

the name of a Java method.

getMethod

public java.lang.reflect.Method getMethod()

Gets the method invoked by this validator.

Returns:

a method object, a description of a Java method.

toString

public java.lang.String toString()

Internal: For debugging purposes only.