Policy 1707 commit to LF
[policy/engine.git] / POLICY-SDK-APP / src / main / java / org / openecomp / policy / controller / DecisionPolicyController.java
diff --git a/POLICY-SDK-APP/src/main/java/org/openecomp/policy/controller/DecisionPolicyController.java b/POLICY-SDK-APP/src/main/java/org/openecomp/policy/controller/DecisionPolicyController.java
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+/*-
+ * ============LICENSE_START=======================================================
+ * ECOMP Policy Engine
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.policy.controller;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
+import javax.xml.bind.JAXBElement;
+
+import org.openecomp.portalsdk.core.controller.RestrictedBaseController;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
+import org.openecomp.policy.common.logging.flexlogger.Logger;
+import org.openecomp.policy.rest.adapter.PolicyRestAdapter;
+import org.openecomp.policy.rest.jpa.PolicyEntity;
+
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.AllOfType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.AnyOfType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.ApplyType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeDesignatorType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeValueType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.ConditionType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.EffectType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.MatchType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.RuleType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.TargetType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.VariableDefinitionType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.VariableReferenceType;
+
+@Controller
+@RequestMapping("/")
+public class DecisionPolicyController extends RestrictedBaseController {
+       private static final Logger logger = FlexLogger.getLogger(DecisionPolicyController.class);
+       
+       public DecisionPolicyController(){}
+
+       protected PolicyRestAdapter policyAdapter = null;
+       private ArrayList<Object> attributeList;
+       private ArrayList<Object> decisionList;
+       private ArrayList<Object>  ruleAlgorithmList;
+       protected LinkedList<Integer> ruleAlgoirthmTracker;
+       public static final String FUNCTION_NOT = "urn:oasis:names:tc:xacml:1.0:function:not";
+
+       @SuppressWarnings("unchecked")
+       public void prePopulateDecisionPolicyData(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
+               attributeList = new ArrayList<Object>();
+               decisionList = new ArrayList<Object>();
+               ruleAlgorithmList = new ArrayList<Object>();
+               if (policyAdapter.getPolicyData() instanceof PolicyType) {
+                       Object policyData = policyAdapter.getPolicyData();
+                       PolicyType policy = (PolicyType) policyData;
+                       policyAdapter.setOldPolicyFileName(policyAdapter.getPolicyName());
+                       String policyNameValue = policyAdapter.getPolicyName().substring(policyAdapter.getPolicyName().indexOf("_") + 1);
+                       policyAdapter.setPolicyName(policyNameValue);
+                       String description = "";
+                       try{
+                               description = policy.getDescription().substring(0, policy.getDescription().indexOf("@CreatedBy:"));
+                       }catch(Exception e){
+                               description = policy.getDescription();
+                       }
+                       policyAdapter.setPolicyDescription(description);
+                       // Get the target data under policy for Action.
+                       TargetType target = policy.getTarget();
+                       if (target != null) {
+                               // under target we have AnyOFType
+                               List<AnyOfType> anyOfList = target.getAnyOf();
+                               if (anyOfList != null) {
+                                       Iterator<AnyOfType> iterAnyOf = anyOfList.iterator();
+                                       while (iterAnyOf.hasNext()) {
+                                               AnyOfType anyOf = iterAnyOf.next();
+                                               // Under AntOfType we have AllOfType
+                                               List<AllOfType> allOfList = anyOf.getAllOf();
+                                               if (allOfList != null) {
+                                                       Iterator<AllOfType> iterAllOf = allOfList.iterator();
+                                                       while (iterAllOf.hasNext()) {
+                                                               AllOfType allOf = iterAllOf.next();
+                                                               // Under AllOfType we have Mathch.
+                                                               List<MatchType> matchList = allOf.getMatch();
+                                                               int index = 0;
+                                                               if (matchList != null) {
+                                                                       Iterator<MatchType> iterMatch = matchList.iterator();
+                                                                       while (iterMatch.hasNext()) {
+                                                                               MatchType match = iterMatch.next();
+                                                                               //
+                                                                               // Under the match we have attributevalue and
+                                                                               // attributeDesignator. So,finally down to the actual attribute.
+                                                                               //
+                                                                               AttributeValueType attributeValue = match.getAttributeValue();
+                                                                               String value = (String) attributeValue.getContent().get(0);
+                                                                               AttributeDesignatorType designator = match.getAttributeDesignator();
+                                                                               String attributeId = designator.getAttributeId();
+                                                                               // First match in the target is EcompName, so set that value.
+                                                                               if (index == 0) {
+                                                                                       policyAdapter.setEcompName(value);
+                                                                               }
+                                                                               // Component attributes are saved under Target here we are fetching  them back.
+                                                                               // One row is default so we are not adding dynamic componet at index 0.
+                                                                               if (index >= 1) {       
+                                                                                       Map<String, String> attribute = new HashMap<String, String>();
+                                                                                       attribute.put("key", attributeId);
+                                                                                       attribute.put("value", value);
+                                                                                       attributeList.add(attribute);   
+                                                                               }
+                                                                               index++;
+                                                                       }
+                                                               }
+                                                               policyAdapter.setAttributes(attributeList);
+                                                       }
+                                               }
+                                       }
+                               }
+
+                               List<Object> ruleList = policy.getCombinerParametersOrRuleCombinerParametersOrVariableDefinition();
+                               int index = 0;
+                               for (Object object : ruleList) {
+                                       if (object instanceof VariableDefinitionType) {
+                                               VariableDefinitionType variableDefinitionType = (VariableDefinitionType) object;
+                                               Map<String, String> settings = new HashMap<String, String>();
+                                               settings.put("key", variableDefinitionType.getVariableId());
+                                               JAXBElement<AttributeValueType> attributeValueTypeElement = (JAXBElement<AttributeValueType>) variableDefinitionType.getExpression();
+                                               if (attributeValueTypeElement != null) {
+                                                       AttributeValueType attributeValueType = attributeValueTypeElement.getValue();
+                                                       settings.put("value", attributeValueType.getContent().get(0).toString());
+                                               }
+                                               decisionList.add(settings);
+                                       } else if (object instanceof RuleType) {
+                                               // get the condition data under the rule for rule Algorithms.
+                                               if (((RuleType) object).getEffect().equals(EffectType.PERMIT)) {
+                                                       ConditionType condition = ((RuleType) object).getCondition();
+                                                       if (condition != null) {
+                                                               ApplyType decisionApply = (ApplyType) condition.getExpression().getValue();
+                                                               ruleAlgoirthmTracker = new LinkedList<Integer>();
+                                                               // Populating Rule Algorithms starting from compound.
+                                                               prePopulateDecisionCompoundRuleAlgorithm(index, decisionApply);
+                                                               policyAdapter.setRuleAlgorithmschoices(ruleAlgorithmList);
+                                                       }
+                                               }else if(((RuleType) object).getEffect().equals(EffectType.DENY)) {
+                                                       if(((RuleType) object).getAdviceExpressions()!=null){
+                                                               if(((RuleType) object).getAdviceExpressions().getAdviceExpression().get(0).getAdviceId().toString().equalsIgnoreCase("AAF")){
+                                                                       policyAdapter.setRuleProvider("AAF");
+                                                                       break;
+                                                               }
+                                                       }else{
+                                                               policyAdapter.setRuleProvider("Custom");
+                                                       }
+                                               }
+                                       }
+                               }
+                       }
+                       policyAdapter.setSettings(decisionList);        
+               }       
+
+       }
+
+       private void prePopulateDecisionRuleAlgorithms(int index, ApplyType decisionApply, List<JAXBElement<?>> jaxbDecisionTypes) {
+               Map<String, String> ruleMap = new HashMap<String, String>();
+               ruleMap.put("id", "A" + (index +1));
+               Map<String, String> dropDownMap = PolicyController.getDropDownMap();
+               for (String key : dropDownMap.keySet()) {
+                       String keyValue = dropDownMap.get(key);
+                       if (keyValue.equals(decisionApply.getFunctionId())) {
+                               ruleMap.put("dynamicRuleAlgorithmCombo", key);
+                       }
+               }
+               // Populate the key and value fields
+               if (((jaxbDecisionTypes.get(0).getValue()) instanceof AttributeValueType)) {
+                       ApplyType innerDecisionApply = (ApplyType) jaxbDecisionTypes.get(1).getValue();
+                       List<JAXBElement<?>> jaxbInnerDecisionTypes = innerDecisionApply.getExpression();
+                       if (jaxbInnerDecisionTypes.get(0).getValue() instanceof AttributeDesignatorType) {
+                               AttributeDesignatorType attributeDesignator = (AttributeDesignatorType) jaxbInnerDecisionTypes.get(0).getValue();
+                               ruleMap.put("dynamicRuleAlgorithmField1", attributeDesignator.getAttributeId());
+
+                               // Get from Attribute Value
+                               AttributeValueType actionConditionAttributeValue = (AttributeValueType) jaxbDecisionTypes.get(0).getValue();
+                               String attributeValue = (String) actionConditionAttributeValue.getContent().get(0);
+                               ruleMap.put("dynamicRuleAlgorithmField2", attributeValue);
+                       }
+               } else if ((jaxbDecisionTypes.get(0).getValue()) instanceof VariableReferenceType) {
+                       VariableReferenceType variableReference = (VariableReferenceType) jaxbDecisionTypes.get(0).getValue();  
+                       ruleMap.put("dynamicRuleAlgorithmField1", "S_"+ variableReference.getVariableId());
+
+
+                       // Get from Attribute Value
+                       AttributeValueType actionConditionAttributeValue = (AttributeValueType) jaxbDecisionTypes.get(1).getValue();
+                       String attributeValue = (String) actionConditionAttributeValue.getContent().get(0);
+                       ruleMap.put("dynamicRuleAlgorithmField2", attributeValue);
+               }
+               ruleAlgorithmList.add(ruleMap);
+       }
+
+       private int prePopulateDecisionCompoundRuleAlgorithm(int index, ApplyType decisionApply) {
+               boolean isCompoundRule = true;
+               List<JAXBElement<?>> jaxbDecisionTypes = decisionApply.getExpression();
+               for (JAXBElement<?> jaxbElement : jaxbDecisionTypes) {
+                       // If There is Attribute Value under Decision Type that means we came to the final child
+                       if (logger.isDebugEnabled()) {
+                               logger.debug("Prepopulating rule algoirthm: " + index);
+                       }
+                       // Check to see if Attribute Value exists, if yes then it is not a compound rule
+                       if(jaxbElement.getValue() instanceof AttributeValueType) {
+                               prePopulateDecisionRuleAlgorithms(index, decisionApply, jaxbDecisionTypes);
+                               ruleAlgoirthmTracker.addLast(index);
+                               isCompoundRule = false;
+                               index++;
+                       } 
+               }
+               if (isCompoundRule) {
+                       // As it's compound rule, Get the Apply types
+                       for (JAXBElement<?> jaxbElement : jaxbDecisionTypes) {
+                               ApplyType innerDecisionApply = (ApplyType) jaxbElement.getValue();
+                               index = prePopulateDecisionCompoundRuleAlgorithm(index, innerDecisionApply);
+                       }
+                       // Populate combo box
+                       if (logger.isDebugEnabled()) {
+                               logger.debug("Prepopulating Compound rule algorithm: " + index);
+                       }
+                       Map<String, String> rule = new HashMap<String, String>();
+                       for (String key : PolicyController.getDropDownMap().keySet()) {
+                               String keyValue = PolicyController.getDropDownMap().get(key);
+                               if (keyValue.equals(decisionApply.getFunctionId())) {
+                                       rule.put("dynamicRuleAlgorithmCombo", key);
+                               }
+                       }
+
+                       rule.put("id", "A" + (index +1));
+                       // Populate Key and values for Compound Rule
+                       rule.put("dynamicRuleAlgorithmField1", "A" + (ruleAlgoirthmTracker.getLast() + 1 ));
+                       ruleAlgoirthmTracker.removeLast();
+                       rule.put("dynamicRuleAlgorithmField2", "A" + (ruleAlgoirthmTracker.getLast() + 1));
+                       ruleAlgoirthmTracker.removeLast();
+                       ruleAlgoirthmTracker.addLast(index);
+                       ruleAlgorithmList.add(rule);
+                       index++;
+               }
+               return index;
+       }
+}