org.wso2.balana.xacml3

Class ObligationExpression

java.lang.Object

org.wso2.balana.AbstractObligation

org.wso2.balana.xacml3.ObligationExpression

public class ObligationExpression
extends AbstractObligation

Represents ObligationExpressionType in the XACML 3.0 policy schema

Field Summary

Fields inherited from class org.wso2.balana.AbstractObligation

fulfillOn, obligationId

Constructor Summary

Constructors

Constructor and Description
ObligationExpression(int fulfillOn, List<AttributeAssignmentExpression> expressions, URI obligationId) Constructor that creates a new ObligationExpression based on the given elements.

Method Summary

Modifier and Type	Method and Description
void	encode(StringBuilder builder) Encodes this ObligationExpression into its XML form and writes this out to the provided StringBuilder
ObligationResult	evaluate(EvaluationCtx ctx) Evaluates obligation and creates the results
static ObligationExpression	getInstance(Node root, PolicyMetaData metaData) creates a ObligationExpression based on its DOM node.

Methods inherited from class org.wso2.balana.AbstractObligation

getFulfillOn, getId

Methods inherited from class java.lang.Object

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

Constructor Detail

ObligationExpression

public ObligationExpression(int fulfillOn,
                            List<AttributeAssignmentExpression> expressions,
                            URI obligationId)

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

Parameters:

fulfillOn - effect that will cause this obligation to be included in a response

expressions - List of AttributeAssignmentExpression

obligationId - Identifier that uniquely identify ObligationExpression element

Method Detail

getInstance

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

creates a ObligationExpression based on its DOM node.

Parameters:

root - root the node to parse for the ObligationExpression

metaData - meta-date associated with the policy

Returns:

a new ObligationExpression constructed by parsing

Throws:

ParsingException - if the DOM node is invalid

evaluate

public ObligationResult evaluate(EvaluationCtx ctx)

Description copied from class: AbstractObligation

Evaluates obligation and creates the results

Specified by:

evaluate in class AbstractObligation

Parameters:

ctx - EvaluationCtx

Returns:

ObligationResult

encode

public void encode(StringBuilder builder)

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

Specified by:

encode in class AbstractObligation

Parameters:

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