ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/api/services/DecisionPolicyService.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP-PDP-REST
   4  * ================================================================================
   5  * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
   6  * Modified Copyright (C) 2018 Samsung Electronics Co., Ltd.
   7  * ================================================================================
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  * ============LICENSE_END=========================================================
  20  */
  21 package org.onap.policy.pdp.rest.api.services;
  22
  23 import java.util.Map;
  24
  25 import org.onap.policy.api.AttributeType;
  26 import org.onap.policy.api.PolicyException;
  27 import org.onap.policy.api.PolicyParameters;
  28 import org.onap.policy.api.RuleProvider;
  29 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  30 import org.onap.policy.common.logging.flexlogger.Logger;
  31 import org.onap.policy.xacml.api.XACMLErrorConstants;
  32 import org.onap.policy.xacml.std.pap.StdPAPPolicy;
  33 import org.onap.policy.xacml.std.pap.StdPAPPolicyParams;
  34
  35 /**
  36  * Decision Policy Implementation
  37  *
  38  * @version 0.1
  39  */
  40 public class DecisionPolicyService {
  41     private static Logger LOGGER = FlexLogger.getLogger(DecisionPolicyService.class.getName());
  42     private static PAPServices papServices = null;
  43
  44     private String message = null;
  45     private String policyScope = null;
  46     private String policyName = null;
  47     private PolicyParameters policyParameters = null;
  48     private String onapName = null;
  49
  50     public DecisionPolicyService(String policyScope, String policyName,
  51                                  PolicyParameters policyParameters) {
  52         this.policyScope = policyScope;
  53         this.policyName = policyName;
  54         this.policyParameters = policyParameters;
  55         papServices = new PAPServices();
  56     }
  57
  58     public Boolean getValidation() {
  59         onapName = policyParameters.getOnapName();
  60         if (onapName == null || onapName.trim().isEmpty()) {
  61             message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No ONAP Name given.";
  62             return false;
  63         }
  64         return true;
  65     }
  66
  67     public String getMessage() {
  68         return message;
  69     }
  70
  71     public String getResult(boolean updateFlag) throws PolicyException {
  72         String response = null;
  73         String operation = null;
  74         if (updateFlag) {
  75             operation = "update";
  76         } else {
  77             operation = "create";
  78         }
  79         RuleProvider ruleProvider = policyParameters.getRuleProvider();
  80         if (ruleProvider == null) {
  81             ruleProvider = RuleProvider.CUSTOM;
  82         }
  83         Map<String, String> matchingAttributes = null;
  84         Map<String, String> settingsAttributes = null;
  85
  86         //Get the MATCHING and/or SETTINGS attributes
  87         if (policyParameters.getAttributes() != null &&
  88                 policyParameters.getAttributes().containsKey(AttributeType.MATCHING) &&
  89                 policyParameters.getAttributes().containsKey(AttributeType.SETTINGS)) {
  90             matchingAttributes = policyParameters.getAttributes().get(AttributeType.MATCHING);
  91             settingsAttributes = policyParameters.getAttributes().get(AttributeType.SETTINGS);
  92         } else if (policyParameters.getAttributes() != null &&
  93                 !policyParameters.getAttributes().containsKey(AttributeType.MATCHING) &&
  94                 policyParameters.getAttributes().containsKey(AttributeType.SETTINGS)) {
  95             settingsAttributes = policyParameters.getAttributes().get(AttributeType.SETTINGS);
  96         } else if (policyParameters.getAttributes() != null &&
  97                 policyParameters.getAttributes().containsKey(AttributeType.MATCHING) &&
  98                 !policyParameters.getAttributes().containsKey(AttributeType.SETTINGS)) {
  99             matchingAttributes = policyParameters.getAttributes().get(AttributeType.MATCHING);
 100         }
 101         // Create StdPAPPolicy object used to send policy data to PAP-REST.
 102         StdPAPPolicy newPAPPolicy = new StdPAPPolicy(StdPAPPolicyParams.builder()
 103                 .policyName(policyName)
 104                 .description(policyParameters.getPolicyDescription())
 105                 .onapName(onapName)
 106                 .providerComboBox(ruleProvider.toString())
 107                 .dynamicFieldConfigAttributes(matchingAttributes)
 108                 .dynamicSettingsMap(settingsAttributes)
 109                 .treatments(policyParameters.getTreatments())
 110                 .dynamicRuleAlgorithmLabels(policyParameters.getDynamicRuleAlgorithmLabels())
 111                 .dynamicRuleAlgorithmCombo(policyParameters.getDynamicRuleAlgorithmFunctions())
 112                 .dynamicRuleAlgorithmField1(policyParameters.getDynamicRuleAlgorithmField1())
 113                 .dynamicRuleAlgorithmField2(policyParameters.getDynamicRuleAlgorithmField2())
 114                 .editPolicy(updateFlag)
 115                 .domain(policyScope)
 116                 .highestVersion(0)
 117                 .rawXacmlPolicy(policyParameters.getRawXacmlPolicy())
 118                 .build());
 119         // Send JSON to PAP.
 120         response = (String) papServices.callPAP(newPAPPolicy, new String[]{"operation=" + operation, "apiflag=api",
 121                 "policyType=Decision"}, policyParameters.getRequestID(), "Decision");
 122         LOGGER.info(message);
 123         return response;
 124     }
 125
 126 }