POLICY-SDK-APP/src/main/java/org/onap/policy/controller/CreateBRMSRawController.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP Policy Engine
   4  * ================================================================================
   5  * Copyright (C) 2017, 2019 AT&T Intellectual Property. All rights reserved.
   6  * Modifications Copyright (C) 2019 Bell Canada
   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
  22 package org.onap.policy.controller;
  23
  24 import java.util.ArrayList;
  25 import java.util.Arrays;
  26 import java.util.Collection;
  27 import java.util.HashMap;
  28 import java.util.List;
  29 import java.util.Map;
  30 import java.util.Objects;
  31
  32 import javax.xml.bind.JAXBElement;
  33
  34 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AdviceExpressionType;
  35 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AdviceExpressionsType;
  36 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AllOfType;
  37 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AnyOfType;
  38 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeAssignmentExpressionType;
  39 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeDesignatorType;
  40 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeValueType;
  41 import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
  42 import oasis.names.tc.xacml._3_0.core.schema.wd_17.RuleType;
  43 import oasis.names.tc.xacml._3_0.core.schema.wd_17.TargetType;
  44
  45 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  46 import org.onap.policy.common.logging.flexlogger.Logger;
  47 import org.onap.policy.rest.adapter.PolicyRestAdapter;
  48 import org.onap.policy.rest.jpa.PolicyEntity;
  49
  50 public class CreateBRMSRawController {
  51
  52     private static final Logger logger = FlexLogger.getLogger(CreateBRMSRawController.class);
  53
  54     protected PolicyRestAdapter policyAdapter = null;
  55
  56     public void prePopulateBRMSRawPolicyData(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
  57
  58         if (! (policyAdapter.getPolicyData() instanceof PolicyType)) {
  59             return;
  60         }
  61         PolicyType policy = (PolicyType) policyAdapter.getPolicyData();
  62         policyAdapter.setOldPolicyFileName(policyAdapter.getPolicyName());
  63
  64         // Set PolicyAdapter name value
  65         setPolicyAdapterNameValue(policyAdapter);
  66
  67         // Set PolicyAdapter description.
  68         setPolicyAdapterDescription(policyAdapter, policy);
  69
  70         // Set PolicyAdapter attributes.
  71         setPolicyAdapterAttributes(policyAdapter, policy);
  72
  73         // Set PolicyAdapter configBodyData
  74         policyAdapter.setConfigBodyData(entity.getConfigurationData().getConfigBody());
  75
  76         // Get the target data under policy.
  77         TargetType target = policy.getTarget();
  78         if (target == null) {
  79             return;
  80         }
  81         // Under target we have AnyOFType
  82         List<AnyOfType> anyOfList = target.getAnyOf();
  83         if (anyOfList == null) {
  84             return;
  85         }
  86
  87         // Set PolicyAdapter riskType, riskLevel, guard, ttlDate from match attributes
  88         setPolicyAdapterMatchAttributes(policyAdapter, policy.getTarget().getAnyOf());
  89     }
  90
  91     private void setPolicyAdapterMatchAttributes(PolicyRestAdapter policyAdapter, List<AnyOfType> anyOfList) {
  92         anyOfList.stream()
  93                 // Extract nonNull list of AllOfType objs from each AnyOfType obj
  94                 .map(AnyOfType::getAllOf).filter(Objects::nonNull).forEach(allOfList ->
  95                 // Extract nonNull list of MatchType objs from each AllOFType obj
  96                 allOfList.stream().map(AllOfType::getMatch).filter(Objects::nonNull).flatMap(Collection::stream)
  97                         .forEach(match -> {
  98                             // Under the match we have attribute value and
  99                             // attributeDesignator. So,finally down to the actual attribute.
 100                             AttributeValueType attributeValue = match.getAttributeValue();
 101                             String value = (String) attributeValue.getContent().get(0);
 102                             AttributeDesignatorType designator = match.getAttributeDesignator();
 103                             String attributeId = designator.getAttributeId();
 104                             if ("RiskType".equals(attributeId)) {
 105                                 policyAdapter.setRiskType(value);
 106                             } else if ("RiskLevel".equals(attributeId)) {
 107                                 policyAdapter.setRiskLevel(value);
 108                             } else if ("guard".equals(attributeId)) {
 109                                 policyAdapter.setGuard(value);
 110                             } else if ("TTLDate".equals(attributeId) && !value.contains("NA")) {
 111                                 PolicyController controller = new PolicyController();
 112                                 String newDate = controller.convertDate(value);
 113                                 policyAdapter.setTtlDate(newDate);
 114                             }
 115                         }));
 116     }
 117
 118     private void setPolicyAdapterNameValue(final PolicyRestAdapter policyAdapter) {
 119         // policy name value is the policy name without any prefix and extensions.
 120         String policyNameValue =
 121                 policyAdapter.getPolicyName().substring(policyAdapter.getPolicyName().indexOf("BRMS_Raw_") + 9);
 122         if (logger.isDebugEnabled()) {
 123             logger.debug("Prepopulating form data for BRMS RAW Policy selected:" + policyAdapter.getPolicyName());
 124         }
 125         policyAdapter.setPolicyName(policyNameValue);
 126     }
 127
 128     private void setPolicyAdapterDescription(final PolicyRestAdapter policyAdapter, final PolicyType policy) {
 129         String description;
 130         try {
 131             description = policy.getDescription().substring(0, policy.getDescription().indexOf("@CreatedBy:"));
 132         } catch (Exception e) {
 133             logger.info("Not able to see the createdby in description. So, add generic description", e);
 134             description = policy.getDescription();
 135         }
 136         policyAdapter.setPolicyDescription(description);
 137     }
 138
 139     @SuppressWarnings("unchecked")
 140     private void setPolicyAdapterAttributes(final PolicyRestAdapter policyAdapter, final PolicyType policy) {
 141         ArrayList<Object> attributeList = new ArrayList<>();
 142         AdviceExpressionsType expressionTypes =
 143                 ((RuleType) policy.getCombinerParametersOrRuleCombinerParametersOrVariableDefinition().get(0))
 144                         .getAdviceExpressions();
 145         for (AdviceExpressionType adviceExpression : expressionTypes.getAdviceExpression()) {
 146             for (AttributeAssignmentExpressionType attributeAssignment : adviceExpression
 147                     .getAttributeAssignmentExpression()) {
 148                 if (attributeAssignment.getAttributeId().startsWith("key:")) {
 149                     Map<String, String> attribute = new HashMap<>();
 150                     String key = attributeAssignment.getAttributeId().replace("key:", "");
 151                     attribute.put("key", key);
 152                     JAXBElement<AttributeValueType> attributeValue =
 153                             (JAXBElement<AttributeValueType>) attributeAssignment.getExpression();
 154                     String value = (String) attributeValue.getValue().getContent().get(0);
 155                     attribute.put("value", value);
 156                     attributeList.add(attribute);
 157                 } else if (attributeAssignment.getAttributeId().startsWith("dependencies:")) {
 158                     ArrayList<String> dependencies = new ArrayList<>(Arrays
 159                             .asList(attributeAssignment.getAttributeId().replace("dependencies:", "").split(",")));
 160                     dependencies.remove("");
 161                     policyAdapter.setBrmsDependency(dependencies);
 162                 } else if (attributeAssignment.getAttributeId().startsWith("controller:")) {
 163                     policyAdapter.setBrmsController(attributeAssignment.getAttributeId().replace("controller:", ""));
 164                 }
 165             }
 166             policyAdapter.setAttributes(attributeList);
 167         }
 168     }
 169 }