public PolicySchema(Node node, string ID)
{
this._rootPolicyId = ID;
var p = (IPolicyLanguageModel)PolicyElementFactory.GetInstance(node);
AddPolicyLanguageModel(p.ElementId, p);
}
public Apply(Node node)
{
Node _FunctionIdNode = node.Attributes.GetNamedItem("FunctionId");
if (_FunctionIdNode != null)
{
this._functionId = _FunctionIdNode.NodeValue;
}
else
{
throw new Indeterminate(Indeterminate.IndeterminateSyntaxError);
}
NodeList children = node.ChildNodes;
this._description = null;
this._evaluatable = new List <IEvaluatable>();
for (int i = 0; i < children.Length; i++)
{
Node child = children.Item(i);
if (child.NodeName.Equals(Description.stringIdentifer))
{
this._description = (Description)PolicyElementFactory.GetInstance(child);
}
else if (child.NodeType == Node.ELEMENT_NODE)
{
IElement e = PolicyElementFactory.GetInstance(child);
if (e is IEvaluatable)
{
this._evaluatable.Add((IEvaluatable)e);
}
}
}
}
public VariableDefinition(Node node)
{
Node VariableIdNode = node.Attributes.GetNamedItem("VariableId");
if (VariableIdNode != null)
{
this._variableId = VariableIdNode.NodeValue;
}
else
{
throw new Indeterminate(Indeterminate.IndeterminateSyntaxError);
}
this._evaluatable = null;
NodeList children = node.ChildNodes;
for (int i = 0; i < children.Length; i++)
{
Node child = children.Item(i);
if (child.NodeType == Node.ELEMENT_NODE)
{
IElement e = PolicyElementFactory.GetInstance(children.Item(i));
if (e is IEvaluatable)
{
this._evaluatable = (IEvaluatable)e;
break;
}
}
}
if (this._evaluatable == null)
{
throw new Indeterminate(Indeterminate.IndeterminateSyntaxError);
}
}
public CombinerParameter(Node node)
{
Node attr = node.Attributes.GetNamedItem("ParameterName");
if (attr != null)
{
this._parameterName = attr.NodeValue;
}
else
{
throw new Indeterminate(Indeterminate.IndeterminateSyntaxError);
}
this._attributeValue = null;
NodeList children = node.ChildNodes;
for (int i = 0; i < children.Length; i++)
{
Node child = children.Item(i);
if (child.NodeName.Equals(AttributeValue.stringIdentifer))
{
this._attributeValue = (AttributeValue)PolicyElementFactory.GetInstance(child);
break;
}
}
if (this._attributeValue == null)
{
throw new Indeterminate(Indeterminate.IndeterminateSyntaxError);
}
}
public static void Init()
{
if (factoryInstance == null)
{
InitializeSupportedElements();
factoryInstance = new PolicyElementFactory();
}
}
public static void AddPolicyLanguageModelFromURL(string url)
{
try
{
Node node = NodeFactory.GetInstanceFromURL(url);
var p = (IPolicyLanguageModel)PolicyElementFactory.GetInstance(node);
AddPolicyLanguageModel(p.ElementId, p);
}
catch (Indeterminate ex)
{
Logger.GetLogger(typeof(PolicySchema).Name).Log(null, ex);
}
}
public PolicySetDefaults(Node node)
{
NodeList children = node.ChildNodes;
for (int i = 0; i < children.Length; i++)
{
Node child = children.Item(i);
if (child.NodeName.Equals(XPathVersion.Identifer))
{
this._xPathVersion = (XPathVersion)PolicyElementFactory.GetInstance(child);
}
}
}
public CombinerParameters(Node node)
{
this._combinerParameters = new List <CombinerParameter>();
NodeList children = node.ChildNodes;
for (int i = 0; i < children.Length; i++)
{
Node child = children.Item(i);
if (child.NodeName.Equals(CombinerParameter.stringIdentifer))
{
this._combinerParameters.Add((CombinerParameter)PolicyElementFactory.GetInstance(child));
}
}
}
public Target(Node node)
{
NodeList Children = node.ChildNodes;
this._anyofs = new ArrayList();
for (int i = 0; i < Children.Length; i++)
{
Node child = Children.Item(i);
if (child.NodeName.Equals(AnyOf.stringIdentifer))
{
this._anyofs.Add(PolicyElementFactory.GetInstance(Children.Item(i)));
}
}
}
public AdviceExpressions(Node node)
{
this._adviceExpressions = new List <AdviceExpression>();
NodeList children = node.ChildNodes;
for (int i = 0; i < children.Length; i++)
{
Node child = children.Item(i);
if (child.NodeName.Equals(AdviceExpression.stringIdentifer))
{
this._adviceExpressions.Add((AdviceExpression)PolicyElementFactory.GetInstance(child));
}
}
if (this._adviceExpressions.Count == 0)
{
throw new Indeterminate(Indeterminate.IndeterminateSyntaxError);
}
}
public AttributeAssignmentExpression(Node node)
{
this._attributeId = this.GetNodeAttribute(node, "AttributeId", true);
this._category = this.GetNodeAttribute(node, "Category", false);
this._issuer = this.GetNodeAttribute(node, "Issuer", false);
NodeList children = node.ChildNodes;
for (int i = 0; i < children.Length; i++)
{
Node child = children.Item(i);
if (child.NodeType == Node.ELEMENT_NODE)
{
this._evaluatable = (IEvaluatable)PolicyElementFactory.GetInstance(child);
}
}
if (this._evaluatable == null)
{
throw new Indeterminate(Indeterminate.IndeterminateSyntaxError);
}
}
public Rule(Node node)
{
Node ruleidnode = node.Attributes.GetNamedItem("RuleId");
this._ruleId =
(StringDataType)DataTypeFactory.Instance.CreateValue(StringDataType.URIID, ruleidnode.NodeValue);
Node effectnode = node.Attributes.GetNamedItem("Effect");
this._effect = new Effect(effectnode.NodeValue);
NodeList children = node.ChildNodes;
for (int i = 0; i < children.Length; i++)
{
Node child = children.Item(i);
if (child.NodeName.Equals(Target.stringIdentifer))
{
this._target = (Target)PolicyElementFactory.GetInstance(child);
}
if (child.NodeName.Equals(Description.stringIdentifer))
{
this._description = (Description)PolicyElementFactory.GetInstance(child);
}
if (child.NodeName.Equals(Condition.stringIdentifer))
{
this._condition = (Condition)PolicyElementFactory.GetInstance(child);
}
if (child.NodeName.Equals(ObligationExpressions.stringIdentifer))
{
this._obligationExpressions = ((ObligationExpressions)PolicyElementFactory.GetInstance(child));
}
if (child.NodeName.Equals(AdviceExpressions.stringIdentifer))
{
this._adviceExpressions = ((AdviceExpressions)PolicyElementFactory.GetInstance(child));
}
}
if (this._target == null && this._condition == null)
{
this._isRuleReference = true;
}
}
public static void AddPolicyLanguageModelFromDir(string policydir)
{
var file = new Directory(policydir);
string[] fns = file.GetList();
foreach (string name in fns)
{
if (name.EndsWith(".xml"))
{
try
{
Node node = NodeFactory.GetInstanceFromFile(file.AbsolutePath + "/" + name);
var p = (IPolicyLanguageModel)PolicyElementFactory.GetInstance(node);
AddPolicyLanguageModel(p.ElementId, p);
}
catch (Indeterminate ex)
{
Logger.GetLogger(typeof(PolicySchema).Name).Log(null, ex);
}
}
}
}
private AdviceExpression(Node node)
{
Node AdviceIdNode = node.Attributes.GetNamedItem("AdviceId");
if (AdviceIdNode != null)
{
this._adviceId = AdviceIdNode.NodeValue;
}
else
{
throw new Indeterminate(Indeterminate.IndeterminateSyntaxError);
}
Node AppliesToNode = node.Attributes.GetNamedItem("AppliesTo");
if (AdviceIdNode != null)
{
this._appliesTo = AppliesToNode.NodeValue;
}
else
{
throw new Indeterminate(Indeterminate.IndeterminateSyntaxError);
}
this._attributeAssignmentExpressions = new List <AttributeAssignmentExpression>();
NodeList children = node.ChildNodes;
for (int i = 0; i < children.Length; i++)
{
Node child = children.Item(i);
if (child.NodeName.Equals(AttributeAssignmentExpression.stringIdentifer))
{
this._attributeAssignmentExpressions.Add(
(AttributeAssignmentExpression)PolicyElementFactory.GetInstance(child));
}
}
}
public Condition(Node node)
{
this._evaluatable = null;
NodeList children = node.ChildNodes;
for (int i = 0; i < children.Length; i++)
{
Node child = children.Item(i);
if (child.NodeType == Node.ELEMENT_NODE)
{
IElement e = PolicyElementFactory.GetInstance(children.Item(i));
if (e != null && e is IEvaluatable)
{
this._evaluatable = (IEvaluatable)e;
break;
}
}
}
if (this._evaluatable == null)
{
throw new Indeterminate(Indeterminate.IndeterminateSyntaxError);
}
}
private ObligationExpression(Node node)
{
Node ObligationIdNode = node.Attributes.GetNamedItem("ObligationId");
if (ObligationIdNode != null)
{
this._obligationId = ObligationIdNode.NodeValue;
}
else
{
throw new Indeterminate(Indeterminate.IndeterminateSyntaxError);
}
Node FulfillOnNode = node.Attributes.GetNamedItem("FulfillOn");
if (FulfillOnNode != null)
{
this._fulfillOn = FulfillOnNode.NodeValue;
}
else
{
throw new Indeterminate(Indeterminate.IndeterminateSyntaxError);
}
this._attributeAssignmentExpressions = new List <AttributeAssignmentExpression>();
NodeList children = node.ChildNodes;
for (int i = 0; i < children.Length; i++)
{
Node child = children.Item(i);
if (child.NodeName.Equals(AttributeAssignmentExpression.stringIdentifer))
{
this._attributeAssignmentExpressions.Add(
(AttributeAssignmentExpression)PolicyElementFactory.GetInstance(child));
}
}
}
public PolicySet(Node node)
{
this._policySetId = this.GetNodeAttribute(node, "PolicySetId", true);
this._version = this.GetNodeAttribute(node, "Version", true);
this._policyCombiningAlgId = this.GetNodeAttribute(node, "PolicyCombiningAlgId", true);
string MaxDelegationDepthStr = this.GetNodeAttribute(node, "MaxDelegationDepth", false);
if (MaxDelegationDepthStr != null)
{
this._maxDelegationDepth = Convert.ToInt32(MaxDelegationDepthStr);
}
this._policies = new List <IPolicyLanguageModel>();
NodeList children = node.ChildNodes;
for (int i = 0; i < children.Length; i++)
{
Node child = children.Item(i);
string name = child.NodeName;
if (name.Equals(Description.stringIdentifer))
{
this._description = (Description)PolicyElementFactory.GetInstance(child);
}
else if (name.Equals(PolicyIssuer.stringIdentifer))
{
this._policyIssuer = (PolicyIssuer)PolicyElementFactory.GetInstance(child);
}
else if (name.Equals(Target.stringIdentifer))
{
this._target = (Target)PolicyElementFactory.GetInstance(child);
}
else if (name.Equals(PolicySetDefaults.stringIdentifer))
{
this._policySetDefaults = (PolicySetDefaults)PolicyElementFactory.GetInstance(child);
}
else if (name.Equals(stringIdentifer))
{
var ps = (PolicySet)PolicyElementFactory.GetInstance(child);
PolicySchema.AddPolicyLanguageModel(ps.ElementId, ps);
this._policies.Add(ps);
}
else if (name.Equals(Policy.stringIdentifer))
{
var p = (Policy)PolicyElementFactory.GetInstance(child);
PolicySchema.AddPolicyLanguageModel(p.ElementId, p);
this._policies.Add(p);
}
else if (name.Equals(PolicyIdReference.Identifer))
{
var pref = (PolicyIdReference)PolicyElementFactory.GetInstance(child);
this._policies.Add(pref);
}
else if (name.Equals(ObligationExpressions.stringIdentifer))
{
this._obligationExpressions = ((ObligationExpressions)PolicyElementFactory.GetInstance(child));
}
else if (name.Equals(PolicySetIdReference.Identifer))
{
var psref = (PolicySetIdReference)PolicyElementFactory.GetInstance(child);
this._policies.Add(psref);
}
else if (name.Equals(PolicyCombinerParameters.stringIdentifer))
{
var pcp = (PolicyCombinerParameters)PolicyElementFactory.GetInstance(child);
this._policies.Add(pcp);
}
else if (name.Equals(PolicySetCombinerParameters.stringIdentifer))
{
var pscp = (PolicySetCombinerParameters)PolicyElementFactory.GetInstance(child);
this._policies.Add(pscp);
}
else if (name.Equals(CombinerParameters.stringIdentifer))
{
var cp = (CombinerParameters)PolicyElementFactory.GetInstance(child);
this._policies.Add(cp);
}
else if (name.Equals(AdviceExpressions.stringIdentifer))
{
this._adviceExpressions = ((AdviceExpressions)PolicyElementFactory.GetInstance(child));
}
}
if (this._target == null)
{
throw new Indeterminate(Indeterminate.IndeterminateSyntaxError);
}
}
public Policy(Node node)
{
this._policyId = this.GetNodeAttribute(node, "PolicyId", true);
this._version = this.GetNodeAttribute(node, "Version", true);
this._ruleCombiningAlgId = this.GetNodeAttribute(node, "RuleCombiningAlgId", true);
this._maxDelegationDepth = this.GetNodeAttribute(node, "MaxDelegationDepth", false);
this._policyLanguageModels = new List <IPolicyLanguageModel>();
this._variableDefinitions = new Dictionary <string, VariableDefinition>();
NodeList children = node.ChildNodes;
for (int i = 0; i < children.Length; i++)
{
Node child = children.Item(i);
if (child.NodeName.Equals(Target.stringIdentifer))
{
this._target = (Target)PolicyElementFactory.GetInstance(child);
}
else if (child.NodeName.Equals(Rule.stringIdentifer))
{
var r = (Rule)PolicyElementFactory.GetInstance(child);
r.PolicyParentID = this._policyId;
PolicySchema.AddPolicyLanguageModel(r.ElementId, r);
this._policyLanguageModels.Add(r);
}
else if (child.NodeName.Equals(Description.stringIdentifer))
{
this._description = (Description)PolicyElementFactory.GetInstance(child);
}
else if (child.NodeName.Equals(PolicyIssuer.stringIdentifer))
{
this._policyIssuer = (PolicyIssuer)PolicyElementFactory.GetInstance(child);
}
else if (child.NodeName.Equals(PolicyDefaults.stringIdentifer))
{
this._policyDefaults = (PolicyDefaults)PolicyElementFactory.GetInstance(child);
}
else if (child.NodeName.Equals(VariableDefinition.stringIdentifer))
{
var vd = (VariableDefinition)PolicyElementFactory.GetInstance(child);
this._variableDefinitions.Add(vd.VariableId, vd);
}
else if (child.NodeName.Equals(RuleCombinerParameters.stringIdentifer))
{
var rcp = ((RuleCombinerParameters)PolicyElementFactory.GetInstance(child));
this._policyLanguageModels.Add(rcp);
}
else if (child.NodeName.Equals(CombinerParameters.stringIdentifer))
{
var cp = ((CombinerParameters)PolicyElementFactory.GetInstance(child));
this._policyLanguageModels.Add(cp);
}
else if (child.NodeName.Equals(ObligationExpressions.stringIdentifer))
{
this._obligationExpressions = (((ObligationExpressions)PolicyElementFactory.GetInstance(child)));
}
else if (child.NodeName.Equals(AdviceExpressions.stringIdentifer))
{
this._adviceExpressions = ((AdviceExpressions)PolicyElementFactory.GetInstance(child));
}
}
if (this._target == null)
{
throw new Indeterminate(Indeterminate.IndeterminateSyntaxError);
}
}