PyPDPServer/src/main/java/org/openecomp/policy/pypdp/EventRequest.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ECOMP Policy Engine
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.openecomp.policy.pypdp;
  22
  23 import java.util.ArrayList;
  24 import java.util.Collection;
  25 import java.util.UUID;
  26
  27 import org.openecomp.policy.api.EventRequestParameters;
  28 import org.openecomp.policy.api.PolicyResponse;
  29 import org.openecomp.policy.api.PolicyResponseStatus;
  30 import org.openecomp.policy.std.StdPolicyEngine;
  31 import org.openecomp.policy.std.StdPolicyResponse;
  32
  33 import org.openecomp.policy.common.logging.eelf.PolicyLogger;
  34
  35 public class EventRequest {
  36
  37         private StdPolicyEngine pe;
  38         public EventRequest(StdPolicyEngine pe){
  39                 this.pe= pe;
  40         }
  41
  42         public Collection<PolicyResponse> run(EventRequestParameters pep, String requestID, String userID, String passcode){
  43                 StdPolicyResponse policyResponse = new StdPolicyResponse();
  44                 Collection<PolicyResponse> result = new ArrayList<PolicyResponse>();
  45                 // construct a UUID from the request string
  46                 if(pep.getRequestID()==null){
  47                         UUID requestUUID = null;
  48                         if (requestID != null && !requestID.isEmpty()) {
  49                                 try {
  50                                         requestUUID = UUID.fromString(requestID);
  51                                 }
  52                                 catch (IllegalArgumentException e) {
  53                                         requestUUID = UUID.randomUUID();
  54                                         PolicyLogger.info("Generated Random UUID: " + requestUUID.toString());
  55                                 }
  56                         }
  57                         pep.setRequestID(requestUUID);
  58                 }
  59                 try {
  60                         Collection<PolicyResponse> pResponses = pe.event(pep.getEventAttributes(), pep.getRequestID(), userID, passcode);
  61                         for(PolicyResponse pResponse: pResponses){
  62                                 pResponse = checkResponse(pResponse);
  63                                 result.add(pResponse);
  64                         }
  65                         return result;
  66                 } catch(Exception e){
  67                         policyResponse.setPolicyResponseStatus(e.getMessage(), PolicyResponseStatus.NO_ACTION_REQUIRED);
  68                         policyResponse = checkResponse(policyResponse);
  69                         result.add(policyResponse);
  70                         return result;
  71                 }
  72         }
  73
  74         private StdPolicyResponse checkResponse(PolicyResponse pResponse) {
  75                 StdPolicyResponse policyResponse= new StdPolicyResponse();
  76                 policyResponse.setActionAdvised(pResponse.getActionAdvised());
  77                 policyResponse.setActionTaken(pResponse.getActionTaken());
  78                 policyResponse.setPolicyResponseMessage(pResponse.getPolicyResponseMessage());
  79                 policyResponse.setPolicyResponseStatus(pResponse.getPolicyResponseStatus());
  80                 policyResponse.setRequestAttributes(pResponse.getRequestAttributes());
  81                 return policyResponse;
  82         }
  83 }