public EntitlementCombiner evaluate(XACMLEvalContext pip) {
boolean indeterminate = true;
FunctionArgument evalResult = null;
EntitlementCombiner results = CombinerManager.getInstance(ruleCombiner);
pip.setPolicyRef(this);
System.out.println("Evaluating Policy " + policyName);
try {
evalResult = target.evaluate(pip);
} catch (XACML3EntitlementException ex) {
XACML3Decision result =
new XACML3Decision(policyName, pip.getRequest().getContextID(), "Indeterminate");
results.add(result);
return results;
}
if (evalResult.isTrue()) { // we match, so evaluate
System.out.println("Target true, evaluating rules ");
for (XACML3PolicyRule r : rules) {
XACML3Decision decision = r.evaluate(pip);
results.add(decision);
}
} else {
XACML3Decision result =
new XACML3Decision(policyName, pip.getRequest().getContextID(), "NotApplicable");
results.add(result);
}
return results;
}
public String asRPNExpression() {
String retVal = policyName + "\n\n";
retVal = retVal + target.asRPNExpression() + "\n\n";
for (XACML3PolicyRule r : rules) {
retVal = retVal + r.asRPNExpression() + "\n\n";
}
return retVal;
}
public XACMLRootElement getXACMLRoot() {
Policy policy = new Policy();
policy.setPolicyId(policyName);
policy.setRuleCombiningAlgId(ruleCombiner);
policy.setTarget((Target) target.getXACMLRoot());
List<Object> elements =
policy.getCombinerParametersOrRuleCombinerParametersOrVariableDefinition();
for (XACML3PolicyRule r : rules) {
elements.add(r.getXACMLRoot());
}
return policy;
}
public JSONObject toJSONObject() throws JSONException {
JSONObject jo = new JSONObject();
jo.put("classname", this.getClass().getName());
jo.put("policyName", policyName);
jo.put("ruleCombiner", ruleCombiner);
jo.put("target", target.toJSONObject());
Set<String> keys = definedVars.keySet();
JSONObject dv = new JSONObject();
for (String k : keys) {
dv.put(k, definedVars.get(k).toJSONObject());
}
jo.put("definedVars", dv);
for (XACML3PolicyRule r : rules) {
jo.append("rules", r.toJSONObject());
}
return jo;
}
public void init(JSONObject jo) throws JSONException {
policyName = jo.optString("policyName");
ruleCombiner = jo.optString("ruleCombiner");
target = FunctionArgument.getInstance(jo.getJSONObject("target"));
definedVars = new HashMap<String, FunctionArgument>();
JSONObject dv = jo.getJSONObject("definedVars");
Iterator iter = dv.keys();
while (iter.hasNext()) {
String s = (String) iter.next();
definedVars.put(s, FunctionArgument.getInstance(dv.getJSONObject(s)));
}
rules = new ArrayList<XACML3PolicyRule>();
JSONArray array = jo.getJSONArray("rules");
for (int i = 0; i < array.length(); i++) {
JSONObject json = (JSONObject) array.get(i);
rules.add(XACML3PolicyRule.getInstance(json));
}
}
