org.exolab.castor.xml

Class FieldValidator

Implemented Interfaces:
ClassValidator, TypeValidator

public class FieldValidator
extends Validator

Handles field validation.
Version:
$Revision: 7273 $ $Date: 2004-10-08 22:58:55 -0600 (Fri, 08 Oct 2004) $
Author:
Keith Visco

Constructor Summary

FieldValidator()
Creates a default FieldValidator.
FieldValidator(TypeValidator validator)
Creates a new FieldValidator using the given TypeValidator.

Method Summary

int
getMaxOccurs()
Returns the maximum number of occurances for a given object.
int
getMinOccurs()
Returns the mimimum number of occurances for a given object.
TypeValidator
getTypeValidator()
Returns the TypeValidator.
boolean
hasTypeValidator()
Returns true if a TypeValidator has been set.
void
setDescriptor(XMLFieldDescriptor descriptor)
Sets the field descriptor to use for obtaining information about the field to validate, such as the field name, the field handler, etc.
void
setMaxOccurs(int maxOccurs)
Sets the maximum number of occurances for a given object.
void
setMinOccurs(int minOccurs)
Sets the mimimum number of occurances for a given object.
void
setValidator(TypeValidator validator)
void
validate(Object object, ValidationContext context)
Validates the given Object.

Methods inherited from class org.exolab.castor.xml.Validator

checkUnresolvedIdrefs, validate, validate

Constructor Details

FieldValidator

public FieldValidator()
Creates a default FieldValidator.

FieldValidator

public FieldValidator(TypeValidator validator)
Creates a new FieldValidator using the given TypeValidator.
Parameters:
validator - the TypeValidator to delegate validation to

Method Details

getMaxOccurs

public int getMaxOccurs()
Returns the maximum number of occurances for a given object.
Returns:
The maximum number of occurances for a given object. A negative value denotes no upper bound.

getMinOccurs

public int getMinOccurs()
Returns the mimimum number of occurances for a given object.
Returns:
The mimimum number of occurances for a given object. A zero value denotes no lower bound (ie. the object is optional).

getTypeValidator

public TypeValidator getTypeValidator()
Returns the TypeValidator.
Returns:
the TypeValidator.

hasTypeValidator

public boolean hasTypeValidator()
Returns true if a TypeValidator has been set.
Returns:
true if a TypeValidator has been set.

setDescriptor

public void setDescriptor(XMLFieldDescriptor descriptor)
Sets the field descriptor to use for obtaining information about the field to validate, such as the field name, the field handler, etc.
Parameters:
descriptor - the field descriptor for the field to validate

setMaxOccurs

public void setMaxOccurs(int maxOccurs)
Sets the maximum number of occurances for a given object. A negative value denotes no upper bound.
Parameters:
maxOccurs - the maximum number of times an object may occur.

setMinOccurs

public void setMinOccurs(int minOccurs)
Sets the mimimum number of occurances for a given object. A zero, or negative value denotes no lower bound (i.e., the object is optional).
Parameters:
minOccurs - the minimum number of times an object must occur in order to be valid.

setValidator

public void setValidator(TypeValidator validator)

validate

public void validate(Object object,
                     ValidationContext context)
            throws ValidationException
Validates the given Object.
Specified by:
validate in interface ClassValidator
validate in interface TypeValidator
Overrides:
validate in interface Validator
Parameters:
object - the Object that contains the field to validate
context - the ValidationContext
Throws:
ValidationException - if validation fails

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