net.infonode.properties.util
Interface PropertyValueHandler

All Known Implementing Classes:

PropertyMapValueHandler

public interface PropertyValueHandler

Sets and gets property values to and from value objects.

Version:

$Revision: 1.4 $

Method Summary

Object	getValue(Property property, Object valueContainer) Gets the value of a property from a value container.
boolean	getValueIsRemovable(Property property, Object valueContainer) Returns true if the property value is removable from the value container.
boolean	getValueIsSet(Property property, Object valueContainer) Returns true if a value for the property is set in the value container.
void	removeValue(Property property, Object valueContainer) Removes a property value from a value container.
void	setValue(Property property, Object valueContainer, Object value) Sets the value of a property in a value container.

Method Detail

getValue

public Object getValue(Property property,
                       Object valueContainer)

Gets the value of a property from a value container.

Parameters:

property - the property

valueContainer - the object containing the value

Returns:

the property value, null if the container doesn't contain the value

setValue

public void setValue(Property property,
                     Object valueContainer,
                     Object value)

Sets the value of a property in a value container.

Parameters:

property - the property

valueContainer - the object that will contain the value

value - the property value

removeValue

public void removeValue(Property property,
                        Object valueContainer)

Removes a property value from a value container.

Parameters:

property - the property

valueContainer - the value container

getValueIsSet

public boolean getValueIsSet(Property property,
                             Object valueContainer)

Returns true if a value for the property is set in the value container.

Parameters:

property - the property

valueContainer - the value container

Returns:

true if a value for the property is set in the value container

getValueIsRemovable

public boolean getValueIsRemovable(Property property,
                                   Object valueContainer)

Returns true if the property value is removable from the value container.

Parameters:

property - the property

valueContainer - the value container

Returns:

true if the property value is removable from the value container