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
  24 import java.util.ArrayList;
  25 import java.util.HashMap;
  26 import java.util.Iterator;
  27 import java.util.LinkedList;
  28 import java.util.List;
  29 import java.util.Map;
  30
  31 import javax.xml.bind.JAXBElement;
  32
  33 import org.onap.policy.rest.adapter.PolicyRestAdapter;
  34 import org.onap.policy.rest.jpa.PolicyEntity;
  35 import org.openecomp.portalsdk.core.controller.RestrictedBaseController;
  36 import org.springframework.stereotype.Controller;
  37 import org.springframework.web.bind.annotation.RequestMapping;
  38
  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 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  54 import org.onap.policy.common.logging.flexlogger.Logger;
  55
  56 @Controller
  57 @RequestMapping({"/"})
  58 public class ActionPolicyController extends RestrictedBaseController{
  59         private static final Logger LOGGER = FlexLogger.getLogger(ActionPolicyController.class);
  60
  61         public ActionPolicyController(){
  62                 //Default Constructor
  63         }
  64
  65         private ArrayList<Object> attributeList;
  66         protected  LinkedList<Integer> ruleAlgoirthmTracker;
  67         public static final String PERFORMER_ATTRIBUTEID = "performer";
  68         protected  Map<String, String> performer = new HashMap<>();
  69         private  ArrayList<Object>  ruleAlgorithmList;
  70
  71         public void prePopulateActionPolicyData(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
  72                 attributeList = new ArrayList<>();
  73                 ruleAlgorithmList = new ArrayList<>();
  74                 performer.put("PDP", "PDPAction");
  75                 performer.put("PEP", "PEPAction");
  76
  77                 if (policyAdapter.getPolicyData() instanceof PolicyType) {
  78                         Object policyData = policyAdapter.getPolicyData();
  79                         PolicyType policy = (PolicyType) policyData;
  80                         policyAdapter.setOldPolicyFileName(policyAdapter.getPolicyName());
  81                         String policyNameValue = policyAdapter.getPolicyName().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                                 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.getAttributeAssignmentExpression();
 158                                                                         if (attributeAssignmentExpressionList != null) {
 159                                                                                 Iterator<AttributeAssignmentExpressionType> iterAttributeAssignmentExpression = attributeAssignmentExpressionList.iterator();
 160                                                                                 while (iterAttributeAssignmentExpression.hasNext()) {
 161                                                                                         AttributeAssignmentExpressionType attributeAssignmentExpression = iterAttributeAssignmentExpression.next();
 162                                                                                         String attributeID = attributeAssignmentExpression.getAttributeId();
 163                                                                                         AttributeValueType attributeValue = (AttributeValueType) attributeAssignmentExpression.getExpression().getValue();
 164                                                                                         if (attributeID.equals(PERFORMER_ATTRIBUTEID)) {
 165                                                                                                 for (String key : performer.keySet()) {
 166                                                                                                         String keyValue = performer.get(key);
 167                                                                                                         if (keyValue.equals(attributeValue.getContent().get(0))) {
 168                                                                                                                 policyAdapter.setActionPerformer(key);
 169                                                                                                         }
 170                                                                                                 }
 171                                                                                         }
 172                                                                                 }
 173                                                                         }
 174                                                                 }
 175                                                         }
 176                                                 }
 177                                         }
 178                                 }
 179                         }
 180                 }
 181         }
 182
 183         private int prePopulateCompoundRuleAlgorithm(int index, ApplyType actionApply) {
 184                 boolean isCompoundRule = true;
 185                 List<JAXBElement<?>> jaxbActionTypes = actionApply.getExpression();
 186                 for (JAXBElement<?> jaxbElement : jaxbActionTypes) {
 187                         // If There is Attribute Value under Action Type that means we came to the final child
 188                         if (LOGGER.isDebugEnabled()) {
 189                                 LOGGER.debug("Prepopulating rule algoirthm: " + index);
 190                         }
 191                         // Check to see if Attribute Value exists, if yes then it is not a compound rule
 192                         if (jaxbElement.getValue() instanceof AttributeValueType) {
 193                                 prePopulateRuleAlgorithms(index, actionApply, jaxbActionTypes);
 194                                 ruleAlgoirthmTracker.addLast(index);
 195                                 isCompoundRule = false;
 196                                 index++;
 197                         }
 198                 }
 199                 if (isCompoundRule) {
 200                         // As it's compound rule, Get the Apply types
 201                         for (JAXBElement<?> jaxbElement : jaxbActionTypes) {
 202                                 ApplyType innerActionApply = (ApplyType) jaxbElement.getValue();
 203                                 index = prePopulateCompoundRuleAlgorithm(index, innerActionApply);
 204                         }
 205                         // Populate combo box
 206                         if (LOGGER.isDebugEnabled()) {
 207                                 LOGGER.debug("Prepopulating Compound rule algorithm: " + index);
 208                         }
 209                         Map<String, String> rule = new HashMap<String, String>();
 210                         for (String key : PolicyController.getDropDownMap().keySet()) {
 211                                 String keyValue = PolicyController.getDropDownMap().get(key);
 212                                 if (keyValue.equals(actionApply.getFunctionId())) {
 213                                         rule.put("dynamicRuleAlgorithmCombo", key);
 214                                 }
 215                         }
 216                         rule.put("id", "A" + (index +1));
 217                         // Populate Key and values for Compound Rule
 218                         rule.put("dynamicRuleAlgorithmField1", "A" + (ruleAlgoirthmTracker.getLast() + 1 ));
 219                         ruleAlgoirthmTracker.removeLast();
 220                         rule.put("dynamicRuleAlgorithmField2", "A" + (ruleAlgoirthmTracker.getLast() + 1));
 221                         ruleAlgoirthmTracker.removeLast();
 222                         ruleAlgoirthmTracker.addLast(index);
 223                         ruleAlgorithmList.add(rule);
 224                         index++;
 225                 }
 226                 return index;
 227         }
 228
 229         private void prePopulateRuleAlgorithms(int index, ApplyType actionApply, List<JAXBElement<?>> jaxbActionTypes) {
 230                 Map<String, String> ruleMap = new HashMap<String, String>();
 231                 ruleMap.put("id", "A" + (index +1));
 232                 // Populate combo box
 233                 Map<String, String> dropDownMap = PolicyController.getDropDownMap();
 234                 for (String key : dropDownMap.keySet()) {
 235                         String keyValue = dropDownMap.get(key);
 236                         if (keyValue.equals(actionApply.getFunctionId())) {
 237                                 ruleMap.put("dynamicRuleAlgorithmCombo", key);
 238                         }
 239                 }
 240                 // Populate the key and value fields
 241                 // Rule Attribute added as key
 242                 if ((jaxbActionTypes.get(0).getValue()) instanceof ApplyType) {
 243                         // Get from Attribute Designator
 244                         ApplyType innerActionApply = (ApplyType) jaxbActionTypes.get(0).getValue();
 245                         List<JAXBElement<?>> jaxbInnerActionTypes = innerActionApply.getExpression();
 246                         AttributeDesignatorType attributeDesignator = (AttributeDesignatorType) jaxbInnerActionTypes.get(0).getValue();
 247                         ruleMap.put("dynamicRuleAlgorithmField1", attributeDesignator.getAttributeId());
 248
 249                         // Get from Attribute Value
 250                         AttributeValueType actionConditionAttributeValue = (AttributeValueType) jaxbActionTypes.get(1).getValue();
 251                         String attributeValue = (String) actionConditionAttributeValue.getContent().get(0);
 252                         ruleMap.put("dynamicRuleAlgorithmField2", attributeValue);
 253                 }
 254                 // Rule Attribute added as value
 255                 else if (((jaxbActionTypes.get(0).getValue()) instanceof AttributeValueType)) {
 256                         AttributeValueType actionConditionAttributeValue = (AttributeValueType) jaxbActionTypes.get(0).getValue();
 257                         String attributeValue = (String) actionConditionAttributeValue.getContent().get(0);
 258                         ruleMap.put("dynamicRuleAlgorithmField2", attributeValue);
 259
 260                         ApplyType innerActionApply = (ApplyType) jaxbActionTypes.get(1).getValue();
 261                         List<JAXBElement<?>> jaxbInnerActionTypes = innerActionApply.getExpression();
 262                         AttributeDesignatorType attributeDesignator = (AttributeDesignatorType) jaxbInnerActionTypes.get(0).getValue();
 263                         ruleMap.put("dynamicRuleAlgorithmField1", attributeDesignator.getAttributeId());
 264                 }
 265                 ruleAlgorithmList.add(ruleMap);
 266         }
 267
 268 }