Source Code for Module ndg.xacml.finder.localpolicyfinder

 1  """NDG XACML policy finder resolving within base policy document 
 2   
 3  NERC DataGrid 
 4  """ 
 5  __author__ = "R B Wilkinson" 
 6  __date__ = "02/11/11" 
 7  __copyright__ = "(C) 2011 Science and Technology Facilities Council" 
 8  __contact__ = "Philip.Kershaw@stfc.ac.uk" 
 9  __license__ = "BSD - see LICENSE file in top-level directory" 
10  __contact__ = "Philip.Kershaw@stfc.ac.uk" 
11  __revision__ = "$Id$" 
12  from ndg.xacml.finder.policyfinderbase import PolicyFinderBase 
13  from ndg.xacml.parsers import XMLParseError 
14   
15 -class LocalPolicyFinder(PolicyFinderBase): 
16      """ 
17      Policy and Policy Set finder that only resolves references to already parsed 
18      Polices and Policy Sets. 
19      """ 
20 -    def findPolicy(self, policyIdReference, common): 
21          """ 
22          Retrieves a policy for a specified policy ID. 
23          @param policyIdReference: policy ID reference 
24          @type policyIdReference: str 
25          @param common: parsing common data 
26          @type common: from ndg.xacml.parsers.common.Common 
27          @return: policy 
28          @rtype: ndg.xacml.core.policy.Policy 
29          @raise XMLParseError: policy of specified ID not found 
30          """ 
31          if policyIdReference not in self.policyMap: 
32              raise XMLParseError("Referenced Policy of ID %r not found" % policyIdReference) 
33          return self.policyMap.get(policyIdReference, None) 
34   
35 -    def findPolicySet(self, policySetIdReference, common): 
36          """ 
37          Retrieves a policy set for a specified policy set ID. 
38          @param policySetIdReference: policy set ID reference 
39          @type policySetIdReference: str 
40          @param common: parsing common data 
41          @type common: from ndg.xacml.parsers.common.Common 
42          @return: policy set 
43          @rtype: ndg.xacml.core.policy.PolicySet 
44          @raise XMLParseError: policy set of specified ID not found 
45          """ 
46          if policySetIdReference not in self.policySetMap: 
47              raise XMLParseError("Referenced PolicySet of ID %r not found" % policySetIdReference) 
48          return self.policySetMap.get(policySetIdReference, None) 
49