Fixing bugs

components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/PolicyManagerServiceImpl.java

@@ -86,7 +86,9 @@ public class PolicyManagerServiceImpl implements PolicyManagerService {
             Policy policy = PolicyManagementDataHolder.getInstance().getPolicyEvaluationPoint().
                     getEffectivePolicy(deviceIdentifier);
 
-            List<ProfileFeature> effectiveFeatures =policy.getProfile().getProfileFeaturesList();
+            if (policy != null) {
+
+                List<ProfileFeature> effectiveFeatures = policy.getProfile().getProfileFeaturesList();
 
                 PolicyOperation policyOperation = new PolicyOperation();
 
@@ -106,8 +108,9 @@ public class PolicyManagerServiceImpl implements PolicyManagerService {
 
                 PolicyManagementDataHolder.getInstance().getDeviceManagementService().
                         addOperation(policyOperation, deviceIdentifiers);
-
-
+            } else {
+                return null;
+            }
 
             return policy;
         } catch (PolicyEvaluationException e) {
@@ -131,6 +134,7 @@ public class PolicyManagerServiceImpl implements PolicyManagerService {
             List<ProfileFeature> effectiveFeatures = PolicyManagementDataHolder.getInstance().getPolicyEvaluationPoint().
                     getEffectiveFeatures(deviceIdentifier);
 
+            if (!effectiveFeatures.isEmpty()) {
                 PolicyOperation policyOperation = new PolicyOperation();
 
                 List<ProfileOperation> profileOperationList = new ArrayList<ProfileOperation>();
@@ -149,6 +153,9 @@ public class PolicyManagerServiceImpl implements PolicyManagerService {
 
                 PolicyManagementDataHolder.getInstance().getDeviceManagementService().
                         addOperation(policyOperation, deviceIdentifiers);
+            } else {
+                return null;
+            }
 
             return effectiveFeatures;
         } catch (PolicyEvaluationException e) {

components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/impl/PolicyFilterImpl.java

@@ -39,6 +39,9 @@ public class PolicyFilterImpl implements PolicyFilter {
         for (Policy policy : policies) {
 
             List<String> tempRoles = policy.getRoles();
+            if (tempRoles != null) {
+                continue;
+            }
             if (PolicyManagementConstants.ANY.equalsIgnoreCase(tempRoles.get(0))) {
                 temp.add(policy);
                 continue;

components/policy-mgt/org.wso2.carbon.simple.policy.decision.point/src/main/java/org/wso2/carbon/simple/policy/decision/point/SimpleEvaluationImpl.java

@@ -55,8 +55,11 @@ public class SimpleEvaluationImpl implements SimpleEvaluation {
                 policyList = policyInformationPoint.getRelatedPolicies(pipDevice);
 
                 sortPolicies();
+                if(!policyList.isEmpty()) {
                     policy = policyList.get(0);
-
+                } else {
+                    return null;
+                }
                 //TODO : UNCOMMENT THE FOLLOWING CASE
 //                policyAdministratorPoint = policyManagerService.getPAP();
 //                policyAdministratorPoint.setPolicyUsed(deviceIdentifier, policy);