org.exolab.castor.mapping.loader
public abstract class FieldHandlerFriend extends Object implements FieldHandler
Version: $Revision: 6230 $ $Date: 2005-08-03 15:11:51 -0600 (Wed, 03 Aug 2005) $
See Also: FieldDescriptor FieldHandler
Method Summary | |
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abstract void | checkValidity(Object object) |
protected abstract FieldDescriptor | getFieldDescriptor()
Returns the FieldDescriptor for the field that this
handler is reponsibile for, or null if no FieldDescriptor
has been set. |
abstract Object | getValue(Object object)
Returns the value of the field from the object.
|
abstract Object | newInstance(Object parent)
Creates a new instance of the object described by this field.
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abstract void | resetValue(Object object)
Sets the value of the field to a default value.
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abstract void | setFieldDescriptor(FieldDescriptor fieldDesc)
Sets the FieldDescriptor that this FieldHander is
responsibile for. |
abstract void | setValue(Object object, Object value)
Sets the value of the field on the object.
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Deprecated: No longer supported
Returns: the FieldDescriptor, or null if none exists.
Parameters: object The object
Returns: The value of the field
Throws: IllegalStateException The Java object has changed and is no longer supported by this handler, or the handler is not compatiable with the Java object
Parameters: parent The object for which the field is created
Returns: A new instance of the field's value
Throws: IllegalStateException This field is a simple type and cannot be instantiated
Reference fields are set to null, primitive fields are set to their default value, collection fields are emptied of all elements.
Parameters: object The object
Throws: IllegalStateException The Java object has changed and is no longer supported by this handler, or the handler is not compatiable with the Java object
Parameters: fieldDesc the FieldDescriptor to set
Parameters: object The object value The new value
Throws: IllegalStateException The Java object has changed and is no longer supported by this handler, or the handler is not compatiable with the Java object IllegalArgumentException The value passed is not of a supported type