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