org.wso2.balana.xacml3

Class AttributeAssignmentExpression

java.lang.Object

org.wso2.balana.xacml3.AttributeAssignmentExpression

public class AttributeAssignmentExpression
extends Object

Represents AttributeAssignmentExpressionType in the XACML 3.0 policy schema..

Constructor Summary

Constructors

Constructor and Description
AttributeAssignmentExpression(URI attributeId, URI category, Expression expression, String issuer) Constructor that creates a new AttributeAssignmentExpression based on the given elements.

Method Summary

Modifier and Type	Method and Description
void	encode(StringBuilder builder) Encodes this AttributeAssignmentExpression into its XML form and writes this out to the provided StringBuilder
Set<AttributeAssignment>	evaluate(EvaluationCtx ctx) evaluates Expression element and create new Set of AttributeAssignment
static AttributeAssignmentExpression	getInstance(Node root, PolicyMetaData metaData) creates a AttributeAssignmentExpression based on its DOM node.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AttributeAssignmentExpression

public AttributeAssignmentExpression(URI attributeId,
                                     URI category,
                                     Expression expression,
                                     String issuer)

Constructor that creates a new AttributeAssignmentExpression based on the given elements.

Parameters:

attributeId - attribute id of the AttributeAssignmentExpression element

category - category of the AttributeAssignmentExpression element whether it is subject, action and etc

expression - Expression that contains in AttributeAssignmentExpression

issuer - issuer of the AttributeAssignment

Method Detail

getInstance

public static AttributeAssignmentExpression getInstance(Node root,
                                                        PolicyMetaData metaData)
                                                 throws ParsingException

creates a AttributeAssignmentExpression based on its DOM node.

Parameters:

root - root the node to parse for the AttributeAssignment

metaData - meta-date associated with the policy

Returns:

a new AttributeAssignmentExpression constructed by parsing

Throws:

ParsingException - if the DOM node is invalid

evaluate

public Set<AttributeAssignment> evaluate(EvaluationCtx ctx)

evaluates Expression element and create new Set of AttributeAssignment

Parameters:

ctx - EvaluationCtx

Returns:

Set of AttributeAssignment

encode

public void encode(StringBuilder builder)

Encodes this AttributeAssignmentExpression into its XML form and writes this out to the provided StringBuilder

Parameters:

builder - string stream into which the XML-encoded data is written