org.exist.client.xacml
Interface AttributeHandler

All Known Implementing Classes:

ActionAttributeHandler, ModuleAttributeHandler, ResourceCategoryAttributeHandler, UserAttributeHandler

public interface AttributeHandler

This interface defines methods for restricting the functions or values a user is allowed to enter for a given attribute.

Method Summary

void	checkUserValue(AttributeValue value, AttributeDesignator attribute) Determines if the user entered value is valid.
void	filterFunctions(Set functions, AttributeDesignator attribute) Removes functions that should not be available for the user to apply to an attribute.
boolean	getAllowedValues(Set values, AttributeDesignator attribute) Determines which values the user may select for an attribute.

Method Detail

filterFunctions

void filterFunctions(Set functions,
                     AttributeDesignator attribute)

Removes functions that should not be available for the user to apply to an attribute.

Parameters:

functions - The Set of functions to modify in place.

attribute - The relevant attribute

getAllowedValues

boolean getAllowedValues(Set values,
                         AttributeDesignator attribute)

Determines which values the user may select for an attribute. If the user may enter values not in this set, this function should return true.

Parameters:

values - The Set to which allowed values should be added.

attribute - The relevant attribute

Returns:

true if the user is not restricted to the values in the set, false otherwise

checkUserValue

void checkUserValue(AttributeValue value,
                    AttributeDesignator attribute)
                    throws ParsingException

Determines if the user entered value is valid.

Parameters:

value - The value to check

attribute - The relevant attribute

Throws:

ParsingException - if the user entered value is invalid