/// <summary>
/// Gets the index of the given IExpression in the collection
/// </summary>
/// <param name="expression"></param>
/// <returns></returns>
public int GetIndex(inf.IExpression expression)
{
for (int i = 0; i < this.Count; i++)
{
if (this.List[i] == expression)
{
return(i);
}
}
return(-1);
}
/// <summary>
/// Creates a new RuleCombinerParameter using the XmlReader instance provided.
/// </summary>
/// <param name="reader">The XmlReader instance positioned at the CombinerParameterElement node.</param>
/// <param name="schemaVersion">The version of the schema that was used to validate.</param>
public VariableDefinitionElement(XmlReader reader, XacmlVersion schemaVersion)
: base(XacmlSchema.Policy, schemaVersion)
{
if (reader.LocalName == PolicySchema2.VariableDefinitionElement.VariableDefinition &&
ValidateSchema(reader, schemaVersion))
{
// Read the attributes
if (reader.HasAttributes)
{
// Load all the attributes
while (reader.MoveToNextAttribute())
{
if (reader.LocalName == PolicySchema2.VariableDefinitionElement.VariableId)
{
_id = reader.GetAttribute(PolicySchema2.VariableDefinitionElement.VariableId);
}
}
reader.MoveToElement();
}
// Read the rule contents.
while (reader.Read())
{
switch (reader.LocalName)
{
case PolicySchema1.AttributeSelectorElement.AttributeSelector:
_expression = new AttributeSelectorElement(reader, schemaVersion);
break;
case PolicySchema1.SubjectAttributeDesignatorElement.SubjectAttributeDesignator:
_expression = new SubjectAttributeDesignatorElement(reader, schemaVersion);
break;
case PolicySchema1.ActionAttributeDesignatorElement.ActionAttributeDesignator:
_expression = new ActionAttributeDesignatorElement(reader, schemaVersion);
break;
case PolicySchema1.ResourceAttributeDesignatorElement.ResourceAttributeDesignator:
_expression = new ResourceAttributeDesignatorElement(reader, schemaVersion);
break;
case PolicySchema1.EnvironmentAttributeDesignatorElement.EnvironmentAttributeDesignator:
_expression = new EnvironmentAttributeDesignatorElement(reader, schemaVersion);
break;
case PolicySchema1.AttributeValueElement.AttributeValue:
_expression = new AttributeValueElementReadWrite(reader, schemaVersion);
break;
case PolicySchema1.FunctionElement.Function:
_expression = new FunctionElementReadWrite(reader, schemaVersion);
break;
case PolicySchema1.ApplyElement.Apply:
_expression = new ApplyElement(reader, schemaVersion);
break;
case PolicySchema2.VariableReferenceElement.VariableReference:
_expression = new VariableReferenceElement(reader, schemaVersion);
break;
}
if (reader.LocalName == PolicySchema2.VariableDefinitionElement.VariableDefinition &&
reader.NodeType == XmlNodeType.EndElement)
{
break;
}
}
}
else
{
throw new Exception(Resource.ResourceManager[Resource.MessageKey.exc_invalid_node_name, reader.LocalName]);
}
}
/// <summary>
/// Creates a new RuleCombinerParameter using the provided argument values.
/// </summary>
/// <param name="id">The variable id.</param>
/// <param name="expression">The expression for the variable definition.</param>
/// <param name="schemaVersion">The version of the schema that was used to validate.</param>
public VariableDefinitionElement(string id, inf.IExpression expression, XacmlVersion schemaVersion)
: base(XacmlSchema.Policy, schemaVersion)
{
_id = id;
_expression = expression;
}
/// <summary>
/// Creates a new RuleCombinerParameter using the XmlReader instance provided.
/// </summary>
/// <param name="reader">The XmlReader instance positioned at the CombinerParameterElement node.</param>
/// <param name="schemaVersion">The version of the schema that was used to validate.</param>
public VariableDefinitionElement( XmlReader reader, XacmlVersion schemaVersion )
: base( XacmlSchema.Policy, schemaVersion )
{
if( reader.LocalName == PolicySchema2.VariableDefinitionElement.VariableDefinition &&
ValidateSchema( reader, schemaVersion ) )
{
// Read the attributes
if( reader.HasAttributes )
{
// Load all the attributes
while( reader.MoveToNextAttribute() )
{
if( reader.LocalName == PolicySchema2.VariableDefinitionElement.VariableId )
{
_id = reader.GetAttribute( PolicySchema2.VariableDefinitionElement.VariableId );
}
}
reader.MoveToElement();
}
// Read the rule contents.
while( reader.Read() )
{
switch( reader.LocalName )
{
case PolicySchema1.AttributeSelectorElement.AttributeSelector:
_expression = new AttributeSelectorElement( reader, schemaVersion );
break;
case PolicySchema1.SubjectAttributeDesignatorElement.SubjectAttributeDesignator:
_expression = new SubjectAttributeDesignatorElement( reader, schemaVersion );
break;
case PolicySchema1.ActionAttributeDesignatorElement.ActionAttributeDesignator:
_expression = new ActionAttributeDesignatorElement( reader, schemaVersion );
break;
case PolicySchema1.ResourceAttributeDesignatorElement.ResourceAttributeDesignator:
_expression = new ResourceAttributeDesignatorElement( reader, schemaVersion );
break;
case PolicySchema1.EnvironmentAttributeDesignatorElement.EnvironmentAttributeDesignator:
_expression = new EnvironmentAttributeDesignatorElement( reader, schemaVersion );
break;
case PolicySchema1.AttributeValueElement.AttributeValue:
_expression = new AttributeValueElementReadWrite( reader, schemaVersion );
break;
case PolicySchema1.FunctionElement.Function:
_expression = new FunctionElementReadWrite( reader, schemaVersion );
break;
case PolicySchema1.ApplyElement.Apply:
_expression = new ApplyElement( reader, schemaVersion );
break;
case PolicySchema2.VariableReferenceElement.VariableReference:
_expression = new VariableReferenceElement( reader, schemaVersion );
break;
}
if( reader.LocalName == PolicySchema2.VariableDefinitionElement.VariableDefinition &&
reader.NodeType == XmlNodeType.EndElement )
{
break;
}
}
}
else
{
throw new Exception( Resource.ResourceManager[ Resource.MessageKey.exc_invalid_node_name, reader.LocalName ] );
}
}
/// <summary>
/// Creates a new RuleCombinerParameter using the provided argument values.
/// </summary>
/// <param name="id">The variable id.</param>
/// <param name="expression">The expression for the variable definition.</param>
/// <param name="schemaVersion">The version of the schema that was used to validate.</param>
public VariableDefinitionElement( string id, inf.IExpression expression, XacmlVersion schemaVersion )
: base( XacmlSchema.Policy, schemaVersion )
{
_id = id;
_expression = expression;
}
/// <summary>
/// Adds an object to the end of the CollectionBase.
/// </summary>
/// <param name="value">The Object to be added to the end of the CollectionBase. </param>
/// <returns>The CollectionBase index at which the value has been added.</returns>
public virtual int Add(inf.IExpression value)
{
return(List.Add(value));
}
