issrg.pba.rbac.xmlpolicy
Class XMLPolicyParser.RoleSpecNode

java.lang.Object
  issrg.pba.rbac.xmlpolicy.PolicyXMLNode
      issrg.pba.rbac.xmlpolicy.XMLPolicyParser.RoleSpecNode

Enclosing class:

XMLPolicyParser

public class XMLPolicyParser.RoleSpecNode
extends PolicyXMLNode

This class is the implementation of the RoleSpec XML node. It encapsulates one directed graph, which is a hierarchy of roles of the same type.

It knows the RoleType it represents and the OID of the Role it represents. It also knows all the roles that are defined in the SupRole nodes embedded.

Version:

1.0

Author:

A Otenko

Field Summary

protected java.lang.String	oid
protected java.util.Map	roles This is where the roles are mapped.
protected java.lang.String	type The following two characterise this Role Hierarchy.

Fields inherited from class issrg.pba.rbac.xmlpolicy.PolicyXMLNode

attributes, children, name, nodeStr

Constructor Summary

XMLPolicyParser.RoleSpecNode(org.xml.sax.Attributes attrs)
This constructor builds a RoleSpecNode given a set of attributes of the XML element.

Method Summary

void	construct() This method creates the map of roles, derived from the collection of children of this node; it assumes all of them are RoleHierarchyNodes.
java.lang.String	getOID() Apparently, this method returns the Role OID value.
XMLPolicyParser.RoleHierarchyNode	getRole(java.lang.String value) This method returns a RoleHierarchy node of the needed Value.
java.lang.String	getType() This method returns the RoleType value.

Methods inherited from class issrg.pba.rbac.xmlpolicy.PolicyXMLNode

addChild, addString, getAttributes, getChildren, getName, getString, toString, toXML, toXML

Methods inherited from class java.lang.Object

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

Field Detail

type

protected java.lang.String type

The following two characterise this Role Hierarchy.

oid

protected java.lang.String oid

roles

protected java.util.Map roles

This is where the roles are mapped.

Constructor Detail

XMLPolicyParser.RoleSpecNode

public XMLPolicyParser.RoleSpecNode(org.xml.sax.Attributes attrs)

This constructor builds a RoleSpecNode given a set of attributes of the XML element.

Method Detail

construct

public void construct()
               throws PolicyParsingException

This method creates the map of roles, derived from the collection of children of this node; it assumes all of them are RoleHierarchyNodes.

This method also triggers the hierarchy optimisation algorithm, which will detect loops in the role hierarchy and assign levels to the Role Hierarchy nodes so that in some cases it will be easy to tell if two roles are hierarchically related.

Overrides:

construct in class PolicyXMLNode

Throws:

PolicyParsingException, - if a semantics error has been encountered; for example, two roles with the same ID have been defined

PolicyParsingException - if any syntax or semantics error occurred

getRole

public XMLPolicyParser.RoleHierarchyNode getRole(java.lang.String value)

This method returns a RoleHierarchy node of the needed Value.

Parameters:

value - - the value of the role, as defined in the policy

Returns:

RoleHierarchyNode corresponding to the role, or null, if no such role exists

getType

public java.lang.String getType()

This method returns the RoleType value.

getOID

public java.lang.String getOID()

Apparently, this method returns the Role OID value. The value is in dotted form.