Package ndg :: Package xacml :: Package parsers :: Package etree :: Module attributevaluereader :: Class AttributeValueReader
[hide private]

Class AttributeValueReader

source code

               object --+            
                        |            
           AbstractReader --+        
                            |        
   reader.ETreeAbstractReader --+    
                                |    
expressionreader.ExpressionReader --+
                                    |
                                   AttributeValueReader

ElementTree based XACML AttributeValue type parser

Nested Classes [hide private]
NoneType TYPE
XACML type to instantiate from parsed object

Inherited from AbstractReader: __metaclass__

Instance Methods [hide private]
ndg.xacml.core.attributevalue.AttributeValue derived type
__call__(self, obj, common)
Parse *AttributeValue type element - override this method instead of _parseExtension since AttributeValue class is virtual.
source code
 
_parseExtension(self, elem, attributeValue)
Parse XML Attribute value element
source code

Inherited from reader.ETreeAbstractReader: __del__, __init__

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__

Class Methods [hide private]

Inherited from AbstractReader: __subclasshook__, parse

Static Methods [hide private]

Inherited from reader.ETreeAbstractReader (private): _parse

Class Variables [hide private]
ndg.xacml.core.attributevalue.AttributeValueClassFactory FACTORY = AttributeValueClassFactory()
factory function for returning an Attribute value type for a given XACML Attribute value URI
  __abstractmethods__ = frozenset([])

Inherited from expressionreader.ExpressionReader (private): _abc_cache

Properties [hide private]

Inherited from object: __class__

Method Details [hide private]

__call__(self, obj, common)
(Call operator)

source code 

Parse *AttributeValue type element - override this method instead of _parseExtension since AttributeValue class is virtual. A sub-type can be instantiated only once the data type attribute is parsed

Parameters:
  • obj (ElementTree Element, or stream object) - input object to parse
Returns: ndg.xacml.core.attributevalue.AttributeValue derived type
new XACML attribute value instance
Raises:
Overrides: AbstractReader.__call__

_parseExtension(self, elem, attributeValue)

source code 

Parse XML Attribute value element

Parameters:
  • elem (xml.etree.Element) - ElementTree XML element
  • attributeValue (ndg.xacml.core.attributevalue.AttributeValue) - attribute selector to be updated with parsed values
Raises:
Overrides: expressionreader.ExpressionReader._parseExtension