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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.policy.rest.adapter.PolicyRestAdapter;
import org.openecomp.policy.rest.jpa.PolicyEntity;
import org.openecomp.portalsdk.core.controller.RestrictedBaseController;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
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.AttributeAssignmentExpressionType;
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.MatchType;
import oasis.names.tc.xacml._3_0.core.schema.wd_17.ObligationExpressionType;
import oasis.names.tc.xacml._3_0.core.schema.wd_17.ObligationExpressionsType;
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 org.openecomp.policy.common.logging.flexlogger.FlexLogger;
import org.openecomp.policy.common.logging.flexlogger.Logger;
@Controller
@RequestMapping({"/"})
public class ActionPolicyController extends RestrictedBaseController{
private static final Logger LOGGER = FlexLogger.getLogger(ActionPolicyController.class);
public ActionPolicyController(){}
private ArrayList<Object> attributeList;
protected LinkedList<Integer> ruleAlgoirthmTracker;
public static final String PERFORMER_ATTRIBUTEID = "performer";
protected Map<String, String> performer = new HashMap<String, String>();
private ArrayList<Object> ruleAlgorithmList;
public void prePopulateActionPolicyData(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
attributeList = new ArrayList<Object>();
ruleAlgorithmList = new ArrayList<Object>();
performer.put("PDP", "PDPAction");
performer.put("PEP", "PEPAction");
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();
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();
// 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.
Map<String, String> attribute = new HashMap<String, String>();
attribute.put("key", attributeId);
attribute.put("value", value);
attributeList.add(attribute);
}
}
policyAdapter.setAttributes(attributeList);
}
}
}
}
List<Object> ruleList = policy.getCombinerParametersOrRuleCombinerParametersOrVariableDefinition();
// Under rule we have Condition and obligation.
for (Object o : ruleList) {
if (o instanceof RuleType) {
ConditionType condition = ((RuleType) o).getCondition();
ObligationExpressionsType obligations = ((RuleType) o).getObligationExpressions();
if (condition != null) {
int index = 0;
ApplyType actionApply = (ApplyType) condition.getExpression().getValue();
ruleAlgoirthmTracker = new LinkedList<Integer>();
// Populating Rule Algorithms starting from compound.
prePopulateCompoundRuleAlgorithm(index, actionApply);
}
policyAdapter.setRuleAlgorithmschoices(ruleAlgorithmList);
// get the Obligation data under the rule for Form elements.
if (obligations != null) {
// Under the obligationExpressions we have obligationExpression.
List<ObligationExpressionType> obligationList = obligations.getObligationExpression();
if (obligationList != null) {
Iterator<ObligationExpressionType> iterObligation = obligationList.iterator();
while (iterObligation.hasNext()) {
ObligationExpressionType obligation = iterObligation.next();
policyAdapter.setActionAttributeValue(obligation.getObligationId());
// Under the obligationExpression we have attributeAssignmentExpression.
List<AttributeAssignmentExpressionType> attributeAssignmentExpressionList = obligation.getAttributeAssignmentExpression();
if (attributeAssignmentExpressionList != null) {
Iterator<AttributeAssignmentExpressionType> iterAttributeAssignmentExpression = attributeAssignmentExpressionList.iterator();
while (iterAttributeAssignmentExpression.hasNext()) {
AttributeAssignmentExpressionType attributeAssignmentExpression = iterAttributeAssignmentExpression.next();
String attributeID = attributeAssignmentExpression.getAttributeId();
AttributeValueType attributeValue = (AttributeValueType) attributeAssignmentExpression.getExpression().getValue();
if (attributeID.equals(PERFORMER_ATTRIBUTEID)) {
for (String key : performer.keySet()) {
String keyValue = performer.get(key);
if (keyValue.equals(attributeValue.getContent().get(0))) {
policyAdapter.setActionPerformer(key);
}
}
}
}
}
}
}
}
}
}
}
}
}
private int prePopulateCompoundRuleAlgorithm(int index, ApplyType actionApply) {
boolean isCompoundRule = true;
List<JAXBElement<?>> jaxbActionTypes = actionApply.getExpression();
for (JAXBElement<?> jaxbElement : jaxbActionTypes) {
// If There is Attribute Value under Action 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) {
prePopulateRuleAlgorithms(index, actionApply, jaxbActionTypes);
ruleAlgoirthmTracker.addLast(index);
isCompoundRule = false;
index++;
}
}
if (isCompoundRule) {
// As it's compound rule, Get the Apply types
for (JAXBElement<?> jaxbElement : jaxbActionTypes) {
ApplyType innerActionApply = (ApplyType) jaxbElement.getValue();
index = prePopulateCompoundRuleAlgorithm(index, innerActionApply);
}
// 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(actionApply.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;
}
private void prePopulateRuleAlgorithms(int index, ApplyType actionApply, List<JAXBElement<?>> jaxbActionTypes) {
Map<String, String> ruleMap = new HashMap<String, String>();
ruleMap.put("id", "A" + (index +1));
// Populate combo box
Map<String, String> dropDownMap = PolicyController.getDropDownMap();
for (String key : dropDownMap.keySet()) {
String keyValue = dropDownMap.get(key);
if (keyValue.equals(actionApply.getFunctionId())) {
ruleMap.put("dynamicRuleAlgorithmCombo", key);
}
}
// Populate the key and value fields
// Rule Attribute added as key
if ((jaxbActionTypes.get(0).getValue()) instanceof ApplyType) {
// Get from Attribute Designator
ApplyType innerActionApply = (ApplyType) jaxbActionTypes.get(0).getValue();
List<JAXBElement<?>> jaxbInnerActionTypes = innerActionApply.getExpression();
AttributeDesignatorType attributeDesignator = (AttributeDesignatorType) jaxbInnerActionTypes.get(0).getValue();
ruleMap.put("dynamicRuleAlgorithmField1", attributeDesignator.getAttributeId());
// Get from Attribute Value
AttributeValueType actionConditionAttributeValue = (AttributeValueType) jaxbActionTypes.get(1).getValue();
String attributeValue = (String) actionConditionAttributeValue.getContent().get(0);
ruleMap.put("dynamicRuleAlgorithmField2", attributeValue);
}
// Rule Attribute added as value
else if (((jaxbActionTypes.get(0).getValue()) instanceof AttributeValueType)) {
AttributeValueType actionConditionAttributeValue = (AttributeValueType) jaxbActionTypes.get(0).getValue();
String attributeValue = (String) actionConditionAttributeValue.getContent().get(0);
ruleMap.put("dynamicRuleAlgorithmField2", attributeValue);
ApplyType innerActionApply = (ApplyType) jaxbActionTypes.get(1).getValue();
List<JAXBElement<?>> jaxbInnerActionTypes = innerActionApply.getExpression();
AttributeDesignatorType attributeDesignator = (AttributeDesignatorType) jaxbInnerActionTypes.get(0).getValue();
ruleMap.put("dynamicRuleAlgorithmField1", attributeDesignator.getAttributeId());
}
ruleAlgorithmList.add(ruleMap);
}
}
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