org.exolab.castor.types
Class DateDescriptor.DateFieldHandler

java.lang.Object
  extended by org.exolab.castor.mapping.loader.FieldHandlerFriend
      extended by org.exolab.castor.mapping.ExtendedFieldHandler
          extended by org.exolab.castor.mapping.AbstractFieldHandler
              extended by org.exolab.castor.xml.XMLFieldHandler
                  extended by org.exolab.castor.types.DateDescriptor.DateFieldHandler
All Implemented Interfaces:
FieldHandler
Enclosing class:
DateDescriptor

 class DateDescriptor.DateFieldHandler
extends XMLFieldHandler

A specialized FieldHandler for the XML Schema TimeDuration related types

Version:
$Revision $ $Date $
Author:
Arnaud Blandin

Constructor Summary
DateDescriptor.DateFieldHandler()
          Creates a new TimeFieldHandler
 
Method Summary
 void checkValidity(java.lang.Object object)
          Checks the field validity.
 java.lang.Object getValue(java.lang.Object target)
          Returns the value of the field associated with this descriptor from the given target object.
 java.lang.Object newInstance(java.lang.Object parent)
          Creates a new instance of the object described by this field.
 void resetValue(java.lang.Object target)
          Sets the value of the field to a default value.
 void setValue(java.lang.Object target, java.lang.Object value)
          Sets the value of the field associated with this descriptor.
 
Methods inherited from class org.exolab.castor.xml.XMLFieldHandler
equals, newInstance
 
Methods inherited from class org.exolab.castor.mapping.AbstractFieldHandler
getFieldDescriptor, hasValue, setFieldDescriptor
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DateDescriptor.DateFieldHandler

public DateDescriptor.DateFieldHandler()
Creates a new TimeFieldHandler

Method Detail

getValue

public java.lang.Object getValue(java.lang.Object target)
                          throws java.lang.IllegalStateException
Returns the value of the field associated with this descriptor from the given target object.

Specified by:
getValue in interface FieldHandler
Overrides:
getValue in class XMLFieldHandler
Parameters:
target - the object to get the value from
Returns:
the value of the field associated with this descriptor from the given target object.
Throws:
java.lang.IllegalStateException - The Java object has changed and is no longer supported by this handler, or the handler is not compatiable with the Java object

setValue

public void setValue(java.lang.Object target,
                     java.lang.Object value)
              throws java.lang.IllegalStateException
Sets the value of the field associated with this descriptor.

Specified by:
setValue in interface FieldHandler
Overrides:
setValue in class XMLFieldHandler
Parameters:
target - the object in which to set the value
value - the value of the field
Throws:
java.lang.IllegalStateException - The Java object has changed and is no longer supported by this handler, or the handler is not compatiable with the Java object

resetValue

public void resetValue(java.lang.Object target)
                throws java.lang.IllegalStateException
Description copied from class: AbstractFieldHandler
Sets the value of the field to a default value.

Reference fields are set to null, primitive fields are set to their default value, collection fields are emptied of all elements.

Specified by:
resetValue in interface FieldHandler
Overrides:
resetValue in class XMLFieldHandler
Parameters:
target - The object
Throws:
java.lang.IllegalStateException - The Java object has changed and is no longer supported by this handler, or the handler is not compatiable with the Java object

checkValidity

public void checkValidity(java.lang.Object object)
                   throws ValidityException,
                          java.lang.IllegalStateException
Checks the field validity. Returns successfully if the field can be stored, is valid, etc, throws an exception otherwise.

Specified by:
checkValidity in interface FieldHandler
Overrides:
checkValidity in class ExtendedFieldHandler
Parameters:
object - The object
Throws:
ValidityException - The field is invalid, is required and null, or any other validity violation
java.lang.IllegalStateException - The Java object has changed and is no longer supported by this handler, or the handler is not compatiable with the Java object

newInstance

public java.lang.Object newInstance(java.lang.Object parent)
                             throws java.lang.IllegalStateException
Creates a new instance of the object described by this field.

Specified by:
newInstance in interface FieldHandler
Overrides:
newInstance in class XMLFieldHandler
Parameters:
parent - The object for which the field is created
Returns:
A new instance of the field's value
Throws:
java.lang.IllegalStateException - This field is a simple type and cannot be instantiated


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