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

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP 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.onap.policy.controller;
  22
  23 import java.util.ArrayList;
  24 import java.util.HashMap;
  25 import java.util.Iterator;
  26 import java.util.LinkedList;
  27 import java.util.List;
  28 import java.util.Map;
  29 import java.util.Map.Entry;
  30
  31 import javax.xml.bind.JAXBElement;
  32
  33 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  34 import org.onap.policy.common.logging.flexlogger.Logger;
  35 import org.onap.policy.rest.adapter.PolicyRestAdapter;
  36 import org.onap.policy.rest.jpa.PolicyEntity;
  37 import org.onap.portalsdk.core.controller.RestrictedBaseController;
  38 import org.springframework.stereotype.Controller;
  39 import org.springframework.web.bind.annotation.RequestMapping;
  40
  41 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AllOfType;
  42 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AnyOfType;
  43 import oasis.names.tc.xacml._3_0.core.schema.wd_17.ApplyType;
  44 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeAssignmentExpressionType;
  45 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeDesignatorType;
  46 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeValueType;
  47 import oasis.names.tc.xacml._3_0.core.schema.wd_17.ConditionType;
  48 import oasis.names.tc.xacml._3_0.core.schema.wd_17.MatchType;
  49 import oasis.names.tc.xacml._3_0.core.schema.wd_17.ObligationExpressionType;
  50 import oasis.names.tc.xacml._3_0.core.schema.wd_17.ObligationExpressionsType;
  51 import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
  52 import oasis.names.tc.xacml._3_0.core.schema.wd_17.RuleType;
  53 import oasis.names.tc.xacml._3_0.core.schema.wd_17.TargetType;
  54
  55 @Controller
  56 @RequestMapping({ "/" })
  57 public class ActionPolicyController extends RestrictedBaseController {
  58     private static final Logger LOGGER = FlexLogger.getLogger(ActionPolicyController.class);
  59
  60     public ActionPolicyController() {
  61         // Default Constructor
  62     }
  63
  64     private ArrayList<Object> attributeList;
  65     protected LinkedList<Integer> ruleAlgoirthmTracker;
  66     public static final String PERFORMER_ATTRIBUTEID = "performer";
  67     protected Map<String, String> performer = new HashMap<>();
  68     private ArrayList<Object> ruleAlgorithmList;
  69
  70     public void prePopulateActionPolicyData(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
  71         attributeList = new ArrayList<>();
  72         ruleAlgorithmList = new ArrayList<>();
  73         performer.put("PDP", "PDPAction");
  74         performer.put("PEP", "PEPAction");
  75
  76         if (policyAdapter.getPolicyData() instanceof PolicyType) {
  77             Object policyData = policyAdapter.getPolicyData();
  78             PolicyType policy = (PolicyType) policyData;
  79             policyAdapter.setOldPolicyFileName(policyAdapter.getPolicyName());
  80             String policyNameValue = policyAdapter.getPolicyName()
  81                     .substring(policyAdapter.getPolicyName().indexOf('_') + 1);
  82             policyAdapter.setPolicyName(policyNameValue);
  83             String description = "";
  84             try {
  85                 description = policy.getDescription().substring(0, policy.getDescription().indexOf("@CreatedBy:"));
  86             } catch (Exception e) {
  87                 LOGGER.error("Error while collecting the desciption tag in ActionPolicy " + policyNameValue, e);
  88                 description = policy.getDescription();
  89             }
  90             policyAdapter.setPolicyDescription(description);
  91             // Get the target data under policy for Action.
  92             TargetType target = policy.getTarget();
  93             if (target != null) {
  94                 // under target we have AnyOFType
  95                 List<AnyOfType> anyOfList = target.getAnyOf();
  96                 if (anyOfList != null) {
  97                     Iterator<AnyOfType> iterAnyOf = anyOfList.iterator();
  98                     while (iterAnyOf.hasNext()) {
  99                         AnyOfType anyOf = iterAnyOf.next();
 100                         // Under AntOfType we have AllOfType
 101                         List<AllOfType> allOfList = anyOf.getAllOf();
 102                         if (allOfList != null) {
 103                             Iterator<AllOfType> iterAllOf = allOfList.iterator();
 104                             while (iterAllOf.hasNext()) {
 105                                 AllOfType allOf = iterAllOf.next();
 106                                 // Under AllOfType we have Mathch.
 107                                 List<MatchType> matchList = allOf.getMatch();
 108                                 if (matchList != null) {
 109                                     Iterator<MatchType> iterMatch = matchList.iterator();
 110                                     while (iterMatch.hasNext()) {
 111                                         MatchType match = iterMatch.next();
 112                                         //
 113                                         // Under the match we have attributevalue and
 114                                         // attributeDesignator. So,finally down to the actual attribute.
 115                                         //
 116                                         AttributeValueType attributeValue = match.getAttributeValue();
 117                                         String value = (String) attributeValue.getContent().get(0);
 118                                         AttributeDesignatorType designator = match.getAttributeDesignator();
 119                                         String attributeId = designator.getAttributeId();
 120                                         // Component attributes are saved under Target here we are fetching them back.
 121                                         // One row is default so we are not adding dynamic component at index 0.
 122                                         Map<String, String> attribute = new HashMap<>();
 123                                         attribute.put("key", attributeId);
 124                                         attribute.put("value", value);
 125                                         attributeList.add(attribute);
 126                                     }
 127                                 }
 128                                 policyAdapter.setAttributes(attributeList);
 129                             }
 130                         }
 131                     }
 132                 }
 133
 134                 List<Object> ruleList = policy.getCombinerParametersOrRuleCombinerParametersOrVariableDefinition();
 135                 // Under rule we have Condition and obligation.
 136                 for (Object o : ruleList) {
 137                     if (o instanceof RuleType) {
 138                         ConditionType condition = ((RuleType) o).getCondition();
 139                         ObligationExpressionsType obligations = ((RuleType) o).getObligationExpressions();
 140                         if (condition != null) {
 141                             int index = 0;
 142                             ApplyType actionApply = (ApplyType) condition.getExpression().getValue();
 143                             ruleAlgoirthmTracker = new LinkedList<>();
 144                             // Populating Rule Algorithms starting from compound.
 145                             prePopulateCompoundRuleAlgorithm(index, actionApply);
 146                         }
 147                         policyAdapter.setRuleAlgorithmschoices(ruleAlgorithmList);
 148                         // get the Obligation data under the rule for Form elements.
 149                         if (obligations != null) {
 150                             // Under the obligationExpressions we have obligationExpression.
 151                             List<ObligationExpressionType> obligationList = obligations.getObligationExpression();
 152                             if (obligationList != null) {
 153                                 Iterator<ObligationExpressionType> iterObligation = obligationList.iterator();
 154                                 while (iterObligation.hasNext()) {
 155                                     ObligationExpressionType obligation = iterObligation.next();
 156                                     policyAdapter.setActionAttributeValue(obligation.getObligationId());
 157                                     // Under the obligationExpression we have attributeAssignmentExpression.
 158                                     List<AttributeAssignmentExpressionType> attributeAssignmentExpressionList = obligation
 159                                             .getAttributeAssignmentExpression();
 160                                     if (attributeAssignmentExpressionList != null) {
 161                                         Iterator<AttributeAssignmentExpressionType> iterAttributeAssignmentExpression = attributeAssignmentExpressionList
 162                                                 .iterator();
 163                                         while (iterAttributeAssignmentExpression.hasNext()) {
 164                                             AttributeAssignmentExpressionType attributeAssignmentExpression = iterAttributeAssignmentExpression
 165                                                     .next();
 166                                             String attributeID = attributeAssignmentExpression.getAttributeId();
 167                                             AttributeValueType attributeValue = (AttributeValueType) attributeAssignmentExpression
 168                                                     .getExpression().getValue();
 169                                             if (attributeID.equals(PERFORMER_ATTRIBUTEID)) {
 170                                                 for ( Entry<String, String> entry: performer.entrySet()) {
 171                                                         String key = entry.getKey();
 172                                                     String keyValue = entry.getValue();
 173                                                     if (keyValue.equals(attributeValue.getContent().get(0))) {
 174                                                         policyAdapter.setActionPerformer(key);
 175                                                     }
 176                                                 }
 177                                             }
 178                                         }
 179                                     }
 180                                 }
 181                             }
 182                         }
 183                     }
 184                 }
 185             }
 186         }
 187     }
 188
 189     private int prePopulateCompoundRuleAlgorithm(int index, ApplyType actionApply) {
 190         boolean isCompoundRule = true;
 191         List<JAXBElement<?>> jaxbActionTypes = actionApply.getExpression();
 192         for (JAXBElement<?> jaxbElement : jaxbActionTypes) {
 193             // If There is Attribute Value under Action Type that means we came to the final child
 194             if (LOGGER.isDebugEnabled()) {
 195                 LOGGER.debug("Prepopulating rule algoirthm: " + index);
 196             }
 197             // Check to see if Attribute Value exists, if yes then it is not a compound rule
 198             if (jaxbElement.getValue() instanceof AttributeValueType) {
 199                 prePopulateRuleAlgorithms(index, actionApply, jaxbActionTypes);
 200                 ruleAlgoirthmTracker.addLast(index);
 201                 isCompoundRule = false;
 202                 index++;
 203             }
 204         }
 205         if (isCompoundRule) {
 206             // As it's compound rule, Get the Apply types
 207             for (JAXBElement<?> jaxbElement : jaxbActionTypes) {
 208                 ApplyType innerActionApply = (ApplyType) jaxbElement.getValue();
 209                 index = prePopulateCompoundRuleAlgorithm(index, innerActionApply);
 210             }
 211             // Populate combo box
 212             if (LOGGER.isDebugEnabled()) {
 213                 LOGGER.debug("Prepopulating Compound rule algorithm: " + index);
 214             }
 215             Map<String, String> rule = new HashMap<>();
 216             for (String key : PolicyController.getDropDownMap().keySet()) {
 217                 String keyValue = PolicyController.getDropDownMap().get(key);
 218                 if (keyValue.equals(actionApply.getFunctionId())) {
 219                     rule.put("dynamicRuleAlgorithmCombo", key);
 220                 }
 221             }
 222             rule.put("id", "A" + (index + 1));
 223             // Populate Key and values for Compound Rule
 224             rule.put("dynamicRuleAlgorithmField1", "A" + (ruleAlgoirthmTracker.getLast() + 1));
 225             ruleAlgoirthmTracker.removeLast();
 226             rule.put("dynamicRuleAlgorithmField2", "A" + (ruleAlgoirthmTracker.getLast() + 1));
 227             ruleAlgoirthmTracker.removeLast();
 228             ruleAlgoirthmTracker.addLast(index);
 229             ruleAlgorithmList.add(rule);
 230             index++;
 231         }
 232         return index;
 233     }
 234
 235     private void prePopulateRuleAlgorithms(int index, ApplyType actionApply, List<JAXBElement<?>> jaxbActionTypes) {
 236         Map<String, String> ruleMap = new HashMap<>();
 237         ruleMap.put("id", "A" + (index + 1));
 238         // Populate combo box
 239         Map<String, String> dropDownMap = PolicyController.getDropDownMap();
 240         for ( Entry<String, String> entry : dropDownMap.entrySet()) {
 241             if (entry.getValue().equals(actionApply.getFunctionId())) {
 242                 ruleMap.put("dynamicRuleAlgorithmCombo", entry.getKey());
 243             }
 244         }
 245         // Populate the key and value fields
 246         // Rule Attribute added as key
 247         if ((jaxbActionTypes.get(0).getValue()) instanceof ApplyType) {
 248             // Get from Attribute Designator
 249             ApplyType innerActionApply = (ApplyType) jaxbActionTypes.get(0).getValue();
 250             List<JAXBElement<?>> jaxbInnerActionTypes = innerActionApply.getExpression();
 251             AttributeDesignatorType attributeDesignator = (AttributeDesignatorType) jaxbInnerActionTypes.get(0)
 252                     .getValue();
 253             ruleMap.put("dynamicRuleAlgorithmField1", attributeDesignator.getAttributeId());
 254
 255             // Get from Attribute Value
 256             AttributeValueType actionConditionAttributeValue = (AttributeValueType) jaxbActionTypes.get(1).getValue();
 257             String attributeValue = (String) actionConditionAttributeValue.getContent().get(0);
 258             ruleMap.put("dynamicRuleAlgorithmField2", attributeValue);
 259         }
 260         // Rule Attribute added as value
 261         else if ((jaxbActionTypes.get(0).getValue()) instanceof AttributeValueType) {
 262             AttributeValueType actionConditionAttributeValue = (AttributeValueType) jaxbActionTypes.get(0).getValue();
 263             String attributeValue = (String) actionConditionAttributeValue.getContent().get(0);
 264             ruleMap.put("dynamicRuleAlgorithmField2", attributeValue);
 265
 266             ApplyType innerActionApply = (ApplyType) jaxbActionTypes.get(1).getValue();
 267             List<JAXBElement<?>> jaxbInnerActionTypes = innerActionApply.getExpression();
 268             AttributeDesignatorType attributeDesignator = (AttributeDesignatorType) jaxbInnerActionTypes.get(0)
 269                     .getValue();
 270             ruleMap.put("dynamicRuleAlgorithmField1", attributeDesignator.getAttributeId());
 271         }
 272         ruleAlgorithmList.add(ruleMap);
 273     }
 274
 275 }