path: root/ONAP-REST/src/main/java/org/onap/policy/rest/util/PolicyValidation.java

/*-
 * ============LICENSE_START=======================================================
 * ONAP Policy Engine
 * ================================================================================
 * Copyright (C) 2017-2018 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.onap.policy.rest.util;

import java.io.IOException;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import javax.json.Json;
import javax.json.JsonException;
import javax.json.JsonObject;
import javax.json.JsonReader;
import javax.json.JsonValue;

import org.apache.commons.lang.StringUtils;
import org.json.JSONObject;
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.common.logging.flexlogger.Logger;
import org.onap.policy.rest.adapter.ClosedLoopFaultBody;
import org.onap.policy.rest.adapter.ClosedLoopPMBody;
import org.onap.policy.rest.adapter.PolicyRestAdapter;
import org.onap.policy.rest.dao.CommonClassDao;
import org.onap.policy.rest.jpa.MicroServiceModels;
import org.onap.policy.rest.jpa.OptimizationModels;
import org.onap.policy.rest.jpa.SafePolicyWarning;
import org.onap.policy.utils.PolicyUtils;
import org.onap.policy.xacml.api.XACMLErrorConstants;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.Splitter;
import com.google.common.base.Strings;

@Service
public class PolicyValidation {

    private static final Logger LOGGER	= FlexLogger.getLogger(PolicyValidation.class);

    public static final String CONFIG_POLICY = "Config";
    public static final String ACTION_POLICY = "Action";
    public static final String DECISION_POLICY = "Decision";
    public static final String CLOSEDLOOP_POLICY = "ClosedLoop_Fault";
    public static final String CLOSEDLOOP_PM = "ClosedLoop_PM";
    public static final String ENFORCER_CONFIG_POLICY = "Enforcer Config";
    public static final String MICROSERVICES = "Micro Service";
    public static final String FIREWALL = "Firewall Config";
    public static final String OPTIMIZATION="Optimization";
    public static final String BRMSPARAM = "BRMS_Param";
    public static final String BRMSRAW = "BRMS_Raw";
    public static final String HTML_ITALICS_LNBREAK = "</i><br>";
    public static final String SUCCESS = "success";
    public static final String EMPTY_COMPONENT_ATTR = "Component Attributes: One or more Fields in Component Attributes is Empty.";
    public static final String ISREQUIRED = " is required";
    public static final String SPACESINVALIDCHARS = " : value has spaces or invalid characters</i><br>";
    public static final String RULEALGORITHMS = "<b>Rule Algorithms</b>:<i>";
    public static final String VALUE = "value";

    private static Map<String, String> mapAttribute = new HashMap<>();
    private static Map<String, String> jsonRequestMap = new HashMap<>();
    private static List<String> modelRequiredFieldsList = new ArrayList<>();

    private static CommonClassDao commonClassDao;

    @Autowired
    public PolicyValidation(CommonClassDao commonClassDao){
        PolicyValidation.commonClassDao = commonClassDao;
    }

    /*
     * This is an empty constructor
     */
    public PolicyValidation(){
        // Empty constructor
    }


    public StringBuilder validatePolicy(PolicyRestAdapter policyData) throws IOException{
        try{
            boolean valid = true;
            StringBuilder responseString = new StringBuilder();
            ObjectMapper mapper = new ObjectMapper();

            if(policyData.getPolicyName() != null){
                String policyNameValidate = PolicyUtils.policySpecialCharValidator(policyData.getPolicyName());
                if(!policyNameValidate.contains(SUCCESS)){
                    responseString.append("<b>PolicyName</b>:<i>" +  policyNameValidate + HTML_ITALICS_LNBREAK);
                    valid = false;
                }
            }else{
                responseString.append( "<b>PolicyName</b>: PolicyName Should not be empty" + HTML_ITALICS_LNBREAK);
                valid = false;
            }
            if(policyData.getPolicyDescription() != null){
                String descriptionValidate = PolicyUtils.descriptionValidator(policyData.getPolicyDescription());
                if(!descriptionValidate.contains(SUCCESS)){
                    responseString.append("<b>Description</b>:<i>" +  descriptionValidate + HTML_ITALICS_LNBREAK);
                    valid = false;
                }
            }

            if(!"API".equals(policyData.getApiflag()) && policyData.getAttributes() != null && !policyData.getAttributes().isEmpty()){
                for(Object attribute : policyData.getAttributes()){
                    if(attribute instanceof LinkedHashMap<?, ?>){
                        String value = null;
                        String key = null;
                        if(((LinkedHashMap<?, ?>) attribute).get("key") != null){
                            key = ((LinkedHashMap<?, ?>) attribute).get("key").toString();
                            if(!PolicyUtils.policySpecialCharValidator(key).contains(SUCCESS)){
                                responseString.append("<b>Attributes or Component Attributes</b>:<i>" +  value + SPACESINVALIDCHARS);
                                valid = false;
                            }
                        }else{
                            if(CONFIG_POLICY.equals(policyData.getPolicyType())){
                                if("Base".equals(policyData.getConfigPolicyType())){
                                    responseString.append("<b>Attributes</b>:<i> has one missing Attribute key</i><br>");
                                }
                                if(BRMSPARAM.equals(policyData.getConfigPolicyType()) || BRMSRAW.equals(policyData.getConfigPolicyType())){
                                    responseString.append("<b>Rule Attributes</b>:<i> has one missing Attribute key</i><br>");
                                }
                            }else{
                                responseString.append("<b>Component Attributes</b>:<i> has one missing Component Attribute key</i><br>");
                            }
                            valid = false;
                        }
                        if(((LinkedHashMap<?, ?>) attribute).get(VALUE) != null){
                            value = ((LinkedHashMap<?, ?>) attribute).get(VALUE).toString();
                            if(!PolicyUtils.policySpecialCharValidator(value).contains(SUCCESS)){
                                if(CONFIG_POLICY.equals(policyData.getPolicyType())){
                                    if("Base".equals(policyData.getConfigPolicyType())){
                                        responseString.append("<b>Attributes</b>:<i>" +  value + SPACESINVALIDCHARS);
                                    }
                                    if(BRMSPARAM.equals(policyData.getConfigPolicyType()) || BRMSRAW.equals(policyData.getConfigPolicyType())){
                                        responseString.append("<b>Rule Attributes</b>:<i>" +  value + SPACESINVALIDCHARS);
                                    }
                                }else{
                                    responseString.append("<b>Component Attributes</b>:<i>" +  value + SPACESINVALIDCHARS);
                                }
                                valid = false;
                            }
                        }else{
                            if(CONFIG_POLICY.equals(policyData.getPolicyType())){
                                if("Base".equals(policyData.getConfigPolicyType())){
                                    responseString.append("<b>Attributes</b>:<i> has one missing Attribute value</i><br>");
                                }
                                if(BRMSPARAM.equals(policyData.getConfigPolicyType()) || BRMSRAW.equals(policyData.getConfigPolicyType())){
                                    responseString.append("<b>Rule Attributes</b>:<i> has one missing Attribute value</i><br>");
                                }
                            }else{
                                responseString.append("<b>Component Attributes</b>:<i> has one missing Component Attribute value</i><br>");
                            }
                            valid = false;
                        }
                    }
                }
            }

            //Decision Policy Attributes Validation
            if(!"API".equals(policyData.getApiflag()) && policyData.getSettings() != null && !policyData.getSettings().isEmpty()){
                for(Object attribute : policyData.getAttributes()){
                    if(attribute instanceof LinkedHashMap<?, ?>){
                        String value = null;
                        if(((LinkedHashMap<?, ?>) attribute).get("key") == null){
                            responseString.append("<b>Settings Attributes</b>:<i> has one missing Attribute key</i><br>");
                            valid = false;
                        }
                        if(((LinkedHashMap<?, ?>) attribute).get(VALUE) != null){
                            value = ((LinkedHashMap<?, ?>) attribute).get(VALUE).toString();
                            if(!PolicyUtils.policySpecialCharValidator(value).contains(SUCCESS)){
                                responseString.append("<b>Settings Attributes</b>:<i>" +  value + SPACESINVALIDCHARS);
                                valid = false;
                            }
                        }else{
                            responseString.append("<b>Settings Attributes</b>:<i> has one missing Attribute Value</i><br>");
                            valid = false;
                        }
                    }
                }
            }
            
            if(!"API".equals(policyData.getApiflag()) && policyData.getRuleAlgorithmschoices() != null &&  !policyData.getRuleAlgorithmschoices().isEmpty()){
                for(Object attribute : policyData.getRuleAlgorithmschoices()){
                    if(attribute instanceof LinkedHashMap<?, ?>){
                        String label = ((LinkedHashMap<?, ?>) attribute).get("id").toString();
                        if(((LinkedHashMap<?, ?>) attribute).get("dynamicRuleAlgorithmField1") == null){
                            responseString.append(RULEALGORITHMS +  label + " : Field 1 value is not selected</i><br>");
                            valid = false;
                        }
                        if(((LinkedHashMap<?, ?>) attribute).get("dynamicRuleAlgorithmCombo") == null){
                            responseString.append(RULEALGORITHMS +  label + " : Field 2 value is not selected</i><br>");
                            valid = false;
                        }
                        if(((LinkedHashMap<?, ?>) attribute).get("dynamicRuleAlgorithmField2") != null){
                            String value = ((LinkedHashMap<?, ?>) attribute).get("dynamicRuleAlgorithmField2").toString();
                            if(!PolicyUtils.policySpecialCharValidator(value).contains(SUCCESS)){
                                responseString.append(RULEALGORITHMS +  label + " : Field 3 value has special characters</i><br>");
                                valid = false;
                            }
                        }else{
                            responseString.append(RULEALGORITHMS +  label + " : Field 3 value is empty</i><br>");
                            valid = false;
                        }
                    }
                }
            }
            
            if(CONFIG_POLICY.equalsIgnoreCase(policyData.getPolicyType())){
                if ("Base".equals(policyData.getConfigPolicyType()) || CLOSEDLOOP_POLICY.equals(policyData.getConfigPolicyType())
                        ||  CLOSEDLOOP_PM.equals(policyData.getConfigPolicyType()) || ENFORCER_CONFIG_POLICY.equals(policyData.getConfigPolicyType())
                        || MICROSERVICES.equals(policyData.getConfigPolicyType()) || OPTIMIZATION.equals(policyData.getConfigPolicyType())) {

                    if(!Strings.isNullOrEmpty(policyData.getOnapName())) {
                        String onapNameValidate = PolicyUtils.policySpecialCharValidator(policyData.getOnapName());
                        if(!onapNameValidate.contains(SUCCESS)){
                            responseString.append("<b>OnapName</b>:<i>" +  onapNameValidate + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                    }else{
                        responseString.append("<b>Onap Name</b>: Onap Name Should not be empty" + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }
                }

                if(!Strings.isNullOrEmpty(policyData.getRiskType())) {
                    String riskTypeValidate = PolicyUtils.policySpecialCharValidator(policyData.getRiskType());
                    if(!riskTypeValidate.contains(SUCCESS)){
                        responseString.append("<b>RiskType</b>:<i>" +  riskTypeValidate + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }
                }else {
                    responseString.append("<b>RiskType</b>: Risk Type Should not be Empty" + HTML_ITALICS_LNBREAK);
                    valid = false;
                }

                if(!Strings.isNullOrEmpty(policyData.getRiskLevel())) {
                    String validateRiskLevel = PolicyUtils.policySpecialCharValidator(policyData.getRiskLevel());
                    if(!validateRiskLevel.contains(SUCCESS)){
                        responseString.append("<b>RiskLevel</b>:<i>" +  validateRiskLevel + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }
                }else {
                    responseString.append("<b>RiskLevel</b>: Risk Level Should not be Empty" + HTML_ITALICS_LNBREAK);
                    valid = false;
                }

                if(!Strings.isNullOrEmpty(policyData.getGuard())) {
                    String validateGuard = PolicyUtils.policySpecialCharValidator(policyData.getGuard());
                    if(!validateGuard.contains(SUCCESS)){
                        responseString.append("<b>Guard</b>:<i>" +  validateGuard + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }
                }else {
                    responseString.append("<b>Guard</b>: Guard Value Should not be Empty" + HTML_ITALICS_LNBREAK);
                    valid = false;
                }

                // Validate Config Base Policy Data
                if("Base".equalsIgnoreCase(policyData.getConfigPolicyType())){
                    if(!Strings.isNullOrEmpty(policyData.getConfigName())) {
                        String configNameValidate = PolicyUtils.policySpecialCharValidator(policyData.getConfigName());
                        if(!configNameValidate.contains(SUCCESS)){
                            responseString.append("ConfigName:" +  configNameValidate + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                    }else{
                        responseString.append("Config Name: Config Name Should not be Empty" + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }
                    if(!Strings.isNullOrEmpty(policyData.getConfigType())) {
                        String configTypeValidate = PolicyUtils.policySpecialCharValidator(policyData.getConfigType());
                        if(!configTypeValidate.contains(SUCCESS)){
                            responseString.append("ConfigType:" +  configTypeValidate + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                    }else{
                        responseString.append("Config Type: Config Type Should not be Empty" + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }
                    if(!Strings.isNullOrEmpty(policyData.getConfigBodyData())) {
                        String configBodyData = policyData.getConfigBodyData();
                        String configType = policyData.getConfigType();
                        if (configType != null) {
                            if ("JSON".equals(configType)) {
                                if (!PolicyUtils.isJSONValid(configBodyData)) {
                                    responseString.append("Config Body: JSON Content is not valid" + HTML_ITALICS_LNBREAK);
                                    valid = false;
                                }
                            } else if ("XML".equals(configType)) {
                                if (!PolicyUtils.isXMLValid(configBodyData)) {
                                    responseString.append("Config Body: XML Content data is not valid" + HTML_ITALICS_LNBREAK);
                                    valid = false;
                                }
                            } else if ("PROPERTIES".equals(configType)) {
                                if (!PolicyUtils.isPropValid(configBodyData) || "".equals(configBodyData)) {
                                    responseString.append("Config Body: Property data is not valid" + HTML_ITALICS_LNBREAK);
                                    valid = false;
                                }
                            } else if ("OTHER".equals(configType) && ("".equals(configBodyData))) {
                                responseString.append("Config Body: Config Body Should not be Empty" + HTML_ITALICS_LNBREAK);
                                valid = false;
                            }
                        }
                    }else{
                        responseString.append("Config Body: Config Body Should not be Empty" + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }
                }

                // Validate Config Firewall Policy Data
                if(FIREWALL.equalsIgnoreCase(policyData.getConfigPolicyType())){
                    if(policyData.getConfigName() != null && !policyData.getConfigName().isEmpty()){
                        String configNameValidate = PolicyUtils.policySpecialCharValidator(policyData.getConfigName());
                        if(!configNameValidate.contains(SUCCESS)){
                            responseString.append("<b>ConfigName</b>:<i>" +  configNameValidate + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                    }else{
                        responseString.append("<b>Config Name</b>:<i> Config Name is required" + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }
                    if(policyData.getSecurityZone() == null || policyData.getSecurityZone().isEmpty()){
                        responseString.append("<b>Security Zone</b>:<i> Security Zone is required" + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }
                }

                // Validate BRMS_Param Policy Data
                if(BRMSPARAM.equalsIgnoreCase(policyData.getConfigPolicyType()) && Strings.isNullOrEmpty(policyData.getRuleName())){
                    responseString.append("<b>BRMS Template</b>:<i>BRMS Template is required" + HTML_ITALICS_LNBREAK);
                    valid = false;
                }

                // Validate BRMS_Raw Policy Data
                if(BRMSRAW.equalsIgnoreCase(policyData.getConfigPolicyType())){
                    if(policyData.getConfigBodyData() != null && !policyData.getConfigBodyData().isEmpty()){
                        String message = PolicyUtils.brmsRawValidate(policyData.getConfigBodyData());

                        // If there are any error other than Annotations then this is not Valid
                        if(message.contains("[ERR")){
                            responseString.append("<b>Raw Rule Validate</b>:<i>Raw Rule has error"+ message + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                    }else{
                        responseString.append("<b>Raw Rule</b>:<i>Raw Rule is required" + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }
                }

                // Validate ClosedLoop_PM Policy Data
                if(CLOSEDLOOP_PM.equalsIgnoreCase(policyData.getConfigPolicyType())){
                    try{
                        if(Strings.isNullOrEmpty(policyData.getServiceTypePolicyName().get("serviceTypePolicyName").toString())){
                            responseString.append("<b>ServiceType PolicyName</b>:<i>ServiceType PolicyName is required" + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }

                    }catch(Exception e){
                        LOGGER.error("ERROR in ClosedLoop_PM PolicyName" , e);
                        responseString.append("<b>ServiceType PolicyName</b>:<i>ServiceType PolicyName is required" + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }

                    if(policyData.getJsonBody() != null){

                        ClosedLoopPMBody pmBody = mapper.readValue(policyData.getJsonBody(), ClosedLoopPMBody.class);
                        if(pmBody.getEmailAddress() != null){
                            String result = emailValidation(pmBody.getEmailAddress(), responseString.toString());
                            if(result != SUCCESS){
                                responseString.append(result + HTML_ITALICS_LNBREAK);
                                valid = false;
                            }
                        }
                        if((pmBody.isGamma() || pmBody.isMcr() || pmBody.isTrinity() || pmBody.isvDNS() || pmBody.isvUSP()) != true){
                            responseString.append("<b>D2/Virtualized Services</b>: <i>Select at least one D2/Virtualized Services" + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                        if(pmBody.getGeoLink() != null && !pmBody.getGeoLink().isEmpty()){
                            String result = PolicyUtils.policySpecialCharValidator(pmBody.getGeoLink());
                            if(!result.contains(SUCCESS)){
                                responseString.append("<b>GeoLink</b>:<i>" +  result + HTML_ITALICS_LNBREAK);
                                valid = false;
                            }
                        }
                        if(pmBody.getAttributes() != null && !pmBody.getAttributes().isEmpty()){
                            for(Entry<String, String> entry : pmBody.getAttributes().entrySet()){
                                String key = entry.getKey();
                                String value = entry.getValue();
                                if(!key.contains("Message")){
                                    String attributeValidate = PolicyUtils.policySpecialCharValidator(value);
                                    if(!attributeValidate.contains(SUCCESS)){
                                        responseString.append("<b>Attributes</b>:<i>" +  key + " : value has spaces or invalid characters" + HTML_ITALICS_LNBREAK);
                                        valid = false;
                                    }
                                }
                            }
                        }
                    }else{
                        responseString.append("<b>D2/Virtualized Services</b>:<i>Select atleast one D2/Virtualized Services" + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }
                }

                // Validate ClosedLoop_Fault Policy Data
                if(CLOSEDLOOP_POLICY.equalsIgnoreCase(policyData.getConfigPolicyType())){
                    if(policyData.getJsonBody() != null){

                        // For API we need to get the conditions key from the Json request and check it before deserializing to POJO due to the enum
                        if("API".equals(policyData.getApiflag())){
                            JSONObject json = new JSONObject(policyData.getJsonBody());
                            if(!json.isNull("conditions")){
                                String apiCondition = (String) json.get("conditions");
                                if(Strings.isNullOrEmpty(apiCondition)){
                                    responseString.append("<b>Conditions</b>: <i>Select At least one Condition" + HTML_ITALICS_LNBREAK);
                                    return responseString;
                                }
                            } else {
                                responseString.append("<b>Conditions</b>: <i>There were no conditions provided in configBody json" + HTML_ITALICS_LNBREAK);
                                return responseString;
                            }
                        }else{
                            if(policyData.getTrapDatas().getTrap1() != null){
                                if(policyData.getClearTimeOut() == null){
                                    responseString.append("<b>Trigger Clear TimeOut</b>: <i>Trigger Clear TimeOut is required when atleast One Trigger Signature is enabled</i><br>");
                                    valid = false;
                                }
                                if(policyData.getTrapMaxAge() == null){
                                    responseString.append("<b>Trap Max Age</b>: <i>Trap Max Age is required when atleast One Trigger Signature is enabled</i><br>");
                                    valid = false;
                                }
                            }
                            if(policyData.getFaultDatas().getTrap1() != null && policyData.getVerificationclearTimeOut() == null){
                                responseString.append("<b>Fault Clear TimeOut</b>: <i>Fault Clear TimeOut is required when atleast One Fault Signature is enabled</i><br>");
                                valid = false;
                            }
                        }

                        ClosedLoopFaultBody faultBody = mapper.readValue(policyData.getJsonBody(), ClosedLoopFaultBody.class);
                        if(faultBody.getEmailAddress() != null && !faultBody.getEmailAddress().isEmpty()){
                            String result = emailValidation(faultBody.getEmailAddress(), responseString.toString());
                            if(!SUCCESS.equals(result)){
                                responseString.append(result+ HTML_ITALICS_LNBREAK);
                                valid = false;
                            }
                        }
                        if((faultBody.isGamma() || faultBody.isMcr() || faultBody.isTrinity() || faultBody.isvDNS() || faultBody.isvUSP()) != true){
                            responseString.append("<b>D2/Virtualized Services</b>: <i>Select at least one D2/Virtualized Services" + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                        if(faultBody.getActions() == null || faultBody.getActions().isEmpty()){
                            responseString.append("<b>vPRO Actions</b>: <i>vPRO Actions is required" + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                        if(faultBody.getClosedLoopPolicyStatus() == null || faultBody.getClosedLoopPolicyStatus().isEmpty()){
                            responseString.append("<b>Policy Status</b>: <i>Policy Status is required" + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                        if(faultBody.getConditions() == null){
                            responseString.append("<b>Conditions</b>: <i>Select At least one Condition" + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                        if(faultBody.getGeoLink() != null && !faultBody.getGeoLink().isEmpty()){
                            String result = PolicyUtils.policySpecialCharWithSpaceValidator(faultBody.getGeoLink());
                            if(!result.contains(SUCCESS)){
                                responseString.append("<b>GeoLink</b>:<i>" +  result + HTML_ITALICS_LNBREAK);
                                valid = false;
                            }
                        }
                        if(faultBody.getAgingWindow() == 0){
                            responseString.append("<b>Aging Window</b>: <i>Aging Window is required" + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                        if(faultBody.getTimeInterval() == 0){
                            responseString.append("<b>Time Interval</b>: <i>Time Interval is required" + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                        if(faultBody.getRetrys() == 0){
                            responseString.append("<b>Number of Retries</b>: <i>Number of Retries is required" + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                        if(faultBody.getTimeOutvPRO() == 0){
                            responseString.append("<b>APP-C Timeout</b>: <i>APP-C Timeout is required" + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                        if(faultBody.getTimeOutRuby() == 0){
                            responseString.append("<b>TimeOutRuby</b>: <i>TimeOutRuby is required" + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                        if(faultBody.getVnfType() == null || faultBody.getVnfType().isEmpty()){
                            responseString.append("<b>Vnf Type</b>: <i>Vnf Type is required" + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                    }else{
                        responseString.append("<b>D2/Virtualized Services</b>: <i>Select atleast one D2/Virtualized Services" + HTML_ITALICS_LNBREAK);
                        responseString.append("<b>vPRO Actions</b>: <i>vPRO Actions is required" + HTML_ITALICS_LNBREAK);
                        responseString.append("<b>Aging Window</b>: <i>Aging Window is required" + HTML_ITALICS_LNBREAK);
                        responseString.append("<b>Policy Status</b>: <i>Policy Status is required" + HTML_ITALICS_LNBREAK);
                        responseString.append("<b>Conditions</b>: <i>Select Atleast one Condition" + HTML_ITALICS_LNBREAK);
                        responseString.append("<b>PEP Name</b>: <i>PEP Name is required" + HTML_ITALICS_LNBREAK);
                        responseString.append("<b>PEP Action</b>: <i>PEP Action is required" + HTML_ITALICS_LNBREAK);
                        responseString.append("<b>Time Interval</b>: <i>Time Interval is required" + HTML_ITALICS_LNBREAK);
                        responseString.append("<b>Number of Retries</b>: <i>Number of Retries is required" + HTML_ITALICS_LNBREAK);
                        responseString.append("<b>APP-C Timeout</b>: <i>APP-C Timeout is required" + HTML_ITALICS_LNBREAK);
                        responseString.append("<b>TimeOutRuby</b>: <i>TimeOutRuby is required" + HTML_ITALICS_LNBREAK);
                        responseString.append("<b>Vnf Type</b>: <i>Vnf Type is required" + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }
                }

                // Validate MicroServices Policy Data
                if (MICROSERVICES.equals(policyData.getConfigPolicyType())){

                    if(!Strings.isNullOrEmpty(policyData.getServiceType())){

                        modelRequiredFieldsList.clear();
                        pullJsonKeyPairs((JsonNode) policyData.getPolicyJSON());

                        String service;
                        String version;
                        if (policyData.getServiceType().contains("-v")){
                            service = policyData.getServiceType().split("-v")[0];
                            version = policyData.getServiceType().split("-v")[1];
                        }else {
                            service = policyData.getServiceType();
                            version = policyData.getVersion();
                        }

                        if(!Strings.isNullOrEmpty(version)) {
                            MicroServiceModels returnModel = getMSModelData(service, version);

                            if(returnModel != null) {

                                String annotation = returnModel.getAnnotation();
                                String refAttributes = returnModel.getRef_attributes();
                                String subAttributes = returnModel.getSub_attributes();
                                String modelAttributes = returnModel.getAttributes();

                                if (!Strings.isNullOrEmpty(annotation)){
                                    Map<String, String> rangeMap = Splitter.on(",").withKeyValueSeparator("=").split(annotation);
                                    for (Entry<String, String> rMap : rangeMap.entrySet()){
                                        if (rMap.getValue().contains("range::")){
                                            String value = mapAttribute.get(rMap.getKey().trim());
                                            String[] tempString = rMap.getValue().split("::")[1].split("-");
                                            int startNum = Integer.parseInt(tempString[0]);
                                            int endNum = Integer.parseInt(tempString[1]);
                                            String returnString = "InvalidreturnModel Range:" + rMap.getKey() + " must be between "
                                                    + startNum + " - "  + endNum + ",";

                                            if(value != null) {
                                                if (PolicyUtils.isInteger(value.replace("\"", ""))){
                                                    int result = Integer.parseInt(value.replace("\"", ""));
                                                    if (result < startNum || result > endNum){
                                                        responseString.append(returnString);
                                                        valid = false;
                                                    }
                                                }else {
                                                    responseString.append(returnString);
                                                    valid = false;
                                                }
                                            } else {
                                                responseString.append("<b>"+rMap.getKey()+"</b>:<i>" + rMap.getKey()
                                                + " is required for the MicroService model " + service + HTML_ITALICS_LNBREAK);
                                                valid = false;
                                            }

                                        }
                                    }
                                } else {
                                    // Validate for configName, location, uuid, and policyScope if no annotations exist for this model
                                    if(Strings.isNullOrEmpty(policyData.getLocation())){
                                        responseString.append("<b>Micro Service Model</b>:<i> location is required for this model" + HTML_ITALICS_LNBREAK);
                                        valid = false;
                                    }

                                    if(Strings.isNullOrEmpty(policyData.getConfigName())){
                                        responseString.append("<b>Micro Service Model</b>:<i> configName is required for this model" + HTML_ITALICS_LNBREAK);
                                        valid = false;
                                    }

                                    if(Strings.isNullOrEmpty(policyData.getUuid())){
                                        responseString.append("<b>Micro Service Model</b>:<i> uuid is required for this model" + HTML_ITALICS_LNBREAK);
                                        valid = false;
                                    }

                                    if(Strings.isNullOrEmpty(policyData.getPolicyScope())){
                                        responseString.append("<b>Micro Service Model</b>:<i> policyScope is required for this model" + HTML_ITALICS_LNBREAK);
                                        valid = false;
                                    }
                                }

                                // If request comes from the API we need to validate required fields in the Micro Service Model
                                // GUI request are already validated from the SDK-APP
                                if("API".equals(policyData.getApiflag())){
                                    // get list of required fields from the sub_Attributes of the Model
                                    if(!Strings.isNullOrEmpty(subAttributes)) {
                                        JsonObject subAttributesJson = stringToJsonObject(subAttributes);
                                        findRequiredFields(subAttributesJson);
                                    }

                                    // get list of required fields from the attributes of the Model
                                    if (!Strings.isNullOrEmpty(modelAttributes)) {
                                        Map<String, String> modelAttributesMap = null;
                                        if (",".equals(modelAttributes.substring(modelAttributes.length()-1))) {
                                            String attributeString = modelAttributes.substring(0, modelAttributes.length()-1);
                                            modelAttributesMap = Splitter.on(",").withKeyValueSeparator("=").split(attributeString);
                                        } else {
                                            modelAttributesMap = Splitter.on(",").withKeyValueSeparator("=").split(modelAttributes);
                                        }
                                        String json = new ObjectMapper().writeValueAsString(modelAttributesMap);
                                        findRequiredFields(stringToJsonObject(json));
                                    }

                                    // get list of required fields from the ref_Attributes of the Model
                                    if (!Strings.isNullOrEmpty(refAttributes)) {
                                        Map<String, String> refAttributesMap = null;
                                        if (",".equals(refAttributes.substring(refAttributes.length()-1))) {
                                            String attributesString = refAttributes.substring(0, refAttributes.length()-1);
                                            refAttributesMap = Splitter.on(",").withKeyValueSeparator("=").split(attributesString);
                                        } else {
                                            refAttributesMap = Splitter.on(",").withKeyValueSeparator("=").split(modelAttributes);
                                        }
                                        String json = new ObjectMapper().writeValueAsString(refAttributesMap);
                                        findRequiredFields(stringToJsonObject(json));
                                    }

                                    if (modelRequiredFieldsList!=null || !modelRequiredFieldsList.isEmpty()) {
                                        // create jsonRequestMap with all json keys and values from request
                                        JsonNode rootNode = (JsonNode) policyData.getPolicyJSON();
                                        jsonRequestMap.clear();
                                        pullModelJsonKeyPairs(rootNode);

                                        // validate if the requiredFields are in the request
                                        for(String requiredField : modelRequiredFieldsList) {
                                            if (jsonRequestMap.containsKey(requiredField)) {
                                                String value = jsonRequestMap.get(requiredField);
                                                if(Strings.isNullOrEmpty(jsonRequestMap.get(requiredField)) ||
                                                        "\"\"".equals(value) ||
                                                        "".equals(jsonRequestMap.get(requiredField))){
                                                    responseString.append("<b>Micro Service Model</b>:<i> " + requiredField + ISREQUIRED + HTML_ITALICS_LNBREAK);
                                                    valid = false;
                                                }
                                            } else {
                                                responseString.append("<b>Micro Service Model</b>:<i> " + requiredField + ISREQUIRED + HTML_ITALICS_LNBREAK);
                                                valid = false;
                                            }
                                        }
                                    }
                                }
                            } else {
                                responseString.append("<b>Micro Service Model</b>:<i> Invalid Model. The model name, " + service +
                                        " of version, " + version + " was not found in the dictionary" + HTML_ITALICS_LNBREAK);
                                valid = false;
                            }
                        } else {
                            responseString.append("<b>Micro Service Version</b>:<i> Micro Service Version is required" + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                    } else {
                        responseString.append("<b>Micro Service</b>:<i> Micro Service Model is required" + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }

                    if(Strings.isNullOrEmpty(policyData.getPriority())){
                        responseString.append("<b>Priority</b>:<i> Priority is required" + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }
                }

                // Validate Optimization Policy Data
                if (OPTIMIZATION.equals(policyData.getConfigPolicyType())){

                    if(!Strings.isNullOrEmpty(policyData.getServiceType())){

                        modelRequiredFieldsList.clear();
                        pullJsonKeyPairs((JsonNode) policyData.getPolicyJSON());

                        String service;
                        String version;
                        if (policyData.getServiceType().contains("-v")){
                            service = policyData.getServiceType().split("-v")[0];
                            version = policyData.getServiceType().split("-v")[1];
                        }else {
                            service = policyData.getServiceType();
                            version = policyData.getVersion();
                        }

                        if(!Strings.isNullOrEmpty(version)) {
                            OptimizationModels returnModel = getOptimizationModelData(service, version);

                            if(returnModel != null) {

                                String annotation = returnModel.getAnnotation();
                                String refAttributes = returnModel.getRefattributes();
                                String subAttributes = returnModel.getSubattributes();
                                String modelAttributes = returnModel.getAttributes();

                                if (!Strings.isNullOrEmpty(annotation)){
                                    Map<String, String> rangeMap = Splitter.on(",").withKeyValueSeparator("=").split(annotation);
                                    for (Entry<String, String> rMap : rangeMap.entrySet()){
                                        if (rMap.getValue().contains("range::")){
                                            String value = mapAttribute.get(rMap.getKey().trim());
                                            String[] tempString = rMap.getValue().split("::")[1].split("-");
                                            int startNum = Integer.parseInt(tempString[0]);
                                            int endNum = Integer.parseInt(tempString[1]);
                                            String returnString = "InvalidreturnModel Range:" + rMap.getKey() + " must be between "
                                                    + startNum + " - "  + endNum + ",";

                                            if(value != null) {
                                                if (PolicyUtils.isInteger(value.replace("\"", ""))){
                                                    int result = Integer.parseInt(value.replace("\"", ""));
                                                    if (result < startNum || result > endNum){
                                                        responseString.append(returnString);
                                                        valid = false;
                                                    }
                                                }else {
                                                    responseString.append(returnString);
                                                    valid = false;
                                                }
                                            } else {
                                                responseString.append("<b>"+rMap.getKey()+"</b>:<i>" + rMap.getKey()
                                                + " is required for the Optimization model " + service + HTML_ITALICS_LNBREAK);
                                                valid = false;
                                            }

                                        }
                                    }
                                }

                                // If request comes from the API we need to validate required fields in the Micro Service Model
                                // GUI request are already validated from the SDK-APP
                                if("API".equals(policyData.getApiflag())){
                                    // get list of required fields from the sub_Attributes of the Model
                                    if(!Strings.isNullOrEmpty(subAttributes)) {
                                        JsonObject subAttributesJson = stringToJsonObject(subAttributes);
                                        findRequiredFields(subAttributesJson);
                                    }

                                    // get list of required fields from the attributes of the Model
                                    if (!Strings.isNullOrEmpty(modelAttributes)) {
                                        Map<String, String> modelAttributesMap = null;
                                        if (",".equals(modelAttributes.substring(modelAttributes.length()-1))) {
                                            String attributeString = modelAttributes.substring(0, modelAttributes.length()-1);
                                            modelAttributesMap = Splitter.on(",").withKeyValueSeparator("=").split(attributeString);
                                        } else {
                                            modelAttributesMap = Splitter.on(",").withKeyValueSeparator("=").split(modelAttributes);
                                        }
                                        String json = new ObjectMapper().writeValueAsString(modelAttributesMap);
                                        findRequiredFields(stringToJsonObject(json));
                                    }

                                    // get list of required fields from the ref_Attributes of the Model
                                    if (!Strings.isNullOrEmpty(refAttributes)) {
                                        Map<String, String> refAttributesMap = null;
                                        if (",".equals(refAttributes.substring(refAttributes.length()-1))) {
                                            String attributesString = refAttributes.substring(0, refAttributes.length()-1);
                                            refAttributesMap = Splitter.on(",").withKeyValueSeparator("=").split(attributesString);
                                        } else {
                                            refAttributesMap = Splitter.on(",").withKeyValueSeparator("=").split(modelAttributes);
                                        }
                                        String json = new ObjectMapper().writeValueAsString(refAttributesMap);
                                        findRequiredFields(stringToJsonObject(json));
                                    }

                                    if (modelRequiredFieldsList!=null || !modelRequiredFieldsList.isEmpty()) {
                                        // create jsonRequestMap with all json keys and values from request
                                        JsonNode rootNode = (JsonNode) policyData.getPolicyJSON();
                                        jsonRequestMap.clear();
                                        pullModelJsonKeyPairs(rootNode);

                                        // validate if the requiredFields are in the request
                                        for(String requiredField : modelRequiredFieldsList) {
                                            if (jsonRequestMap.containsKey(requiredField)) {
                                                String value = jsonRequestMap.get(requiredField);
                                                if(Strings.isNullOrEmpty(jsonRequestMap.get(requiredField)) ||
                                                        "\"\"".equals(value) ||
                                                        "".equals(jsonRequestMap.get(requiredField))){
                                                    responseString.append("<b>Optimization Service Model</b>:<i> " + requiredField + ISREQUIRED + HTML_ITALICS_LNBREAK);
                                                    valid = false;
                                                }
                                            } else {
                                                responseString.append("<b>Optimization Service Model</b>:<i> " + requiredField + ISREQUIRED + HTML_ITALICS_LNBREAK);
                                                valid = false;
                                            }
                                        }
                                    }
                                }
                            } else {
                                responseString.append("<b>Optimization Service Model</b>:<i> Invalid Model. The model name, " + service +
                                        " of version, " + version + " was not found in the dictionary" + HTML_ITALICS_LNBREAK);
                                valid = false;
                            }
                        } else {
                            responseString.append("<b>Optimization Service Version</b>:<i> Optimization Service Version is required" + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                    } else {
                        responseString.append("<b>Optimization Service</b>:<i> Optimization Service Model is required" + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }

                    if(Strings.isNullOrEmpty(policyData.getPriority())){
                        responseString.append("<b>Priority</b>:<i> Priority is required" + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }
                }
            }
            if (DECISION_POLICY.equalsIgnoreCase(policyData.getPolicyType())){
                if(!Strings.isNullOrEmpty(policyData.getOnapName())){
                    String onapNameValidate = PolicyUtils.policySpecialCharValidator(policyData.getOnapName());
                    if(!onapNameValidate.contains(SUCCESS)){
                        responseString.append("OnapName:" +  onapNameValidate + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }
                }else{
                    responseString.append("Onap Name: Onap Name Should not be empty" + HTML_ITALICS_LNBREAK);
                    valid = false;
                }

                if("Rainy_Day".equals(policyData.getRuleProvider())){
                    if(policyData.getRainyday()==null){
                        responseString.append("<b> Rainy Day Parameters are Required </b><br>");
                        valid = false;
                    }else{
                        if(Strings.isNullOrEmpty(policyData.getRainyday().getServiceType())){
                            responseString.append("Rainy Day <b>Service Type</b> is Required<br>");
                            valid = false;
                        }
                        if(Strings.isNullOrEmpty(policyData.getRainyday().getVnfType())){
                            responseString.append("Rainy Day <b>VNF Type</b> is Required<br>");
                            valid = false;
                        }
                        if(Strings.isNullOrEmpty(policyData.getRainyday().getBbid())){
                            responseString.append("Rainy Day <b>Building Block ID</b> is Required<br>");
                            valid = false;
                        }
                        if(Strings.isNullOrEmpty(policyData.getRainyday().getWorkstep())){
                            responseString.append("Rainy Day <b>Work Step</b> is Required<br>");
                            valid = false;
                        }
                        if(!policyData.getRainyday().getTreatmentTableChoices().isEmpty() &&
                                policyData.getRainyday().getTreatmentTableChoices() != null){

                            for(Object treatmentMap: policyData.getRainyday().getTreatmentTableChoices()){
                                String errorCode = null;
                                String treatment = null;
                                if(treatmentMap instanceof LinkedHashMap<?, ?>){

                                    if(((LinkedHashMap<?, ?>) treatmentMap).containsKey("errorcode")){
                                        errorCode = ((LinkedHashMap<?, ?>) treatmentMap).get("errorcode").toString();
                                    }
                                    if(((LinkedHashMap<?, ?>) treatmentMap).containsKey("treatment")){
                                        treatment = ((LinkedHashMap<?, ?>) treatmentMap).get("treatment").toString();
                                    }

                                }
                                if(Strings.isNullOrEmpty(errorCode) && Strings.isNullOrEmpty(treatment)){
                                    responseString.append("Rainy Day <b>Error Code</b> and <b>Desired Treatment</b> cannot be empty<br>");
                                    valid = false;
                                    break;
                                }
                                if(Strings.isNullOrEmpty(errorCode)){
                                    responseString.append("Rainy Day <b>Error Code</b> is Required for each Desired Treatment<br>");
                                    valid = false;
                                    break;
                                }
                                if(Strings.isNullOrEmpty(treatment)){
                                    responseString.append("Rainy Day <b>Desired Treatment</b> is Required for each Error Code<br>");
                                    valid = false;
                                    break;
                                }
                            }

                        } else {
                            responseString.append("Rainy Day <b>Desired Automated Treatments</b> are Required<br>");
                            valid = false;
                        }
                    }
                }

                if ("GUARD_YAML".equals(policyData.getRuleProvider())
                        || "GUARD_BL_YAML".equals(policyData.getRuleProvider())
                        || "GUARD_MIN_MAX".equals(policyData.getRuleProvider())) {
                    if (policyData.getYamlparams() == null) {
                        responseString.append("<b> Guard Params are Required </b>" + HTML_ITALICS_LNBREAK);
                        valid = false;
                    } else {
                        if (Strings.isNullOrEmpty(policyData.getYamlparams().getActor())) {
                            responseString.append("Guard Params <b>Actor</b> is Required " + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                        if (Strings.isNullOrEmpty(policyData.getYamlparams().getRecipe())) {
                            responseString.append("Guard Params <b>Recipe</b> is Required " + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                        if (Strings.isNullOrEmpty(policyData.getYamlparams().getGuardActiveStart())) {
                            responseString.append(
                                    "Guard Params <b>Guard Active Start</b> is Required " + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                        if (Strings.isNullOrEmpty(policyData.getYamlparams().getGuardActiveEnd())) {
                            responseString
                                    .append("Guard Params <b>Guard Active End</b> is Required " + HTML_ITALICS_LNBREAK);
                            valid = false;
                        }
                        if ("GUARD_YAML".equals(policyData.getRuleProvider())) {
                            if (Strings.isNullOrEmpty(policyData.getYamlparams().getLimit())) {
                                responseString.append(" Guard Params <b>Limit</b> is Required " + HTML_ITALICS_LNBREAK);
                                valid = false;
                            } else if (!PolicyUtils.isInteger(policyData.getYamlparams().getLimit())) {
                                responseString
                                        .append(" Guard Params <b>Limit</b> Should be Integer " + HTML_ITALICS_LNBREAK);
                                valid = false;
                            }
                            if (Strings.isNullOrEmpty(policyData.getYamlparams().getTimeWindow())) {
                                responseString
                                        .append("Guard Params <b>Time Window</b> is Required" + HTML_ITALICS_LNBREAK);
                                valid = false;
                            } else if (!PolicyUtils.isInteger(policyData.getYamlparams().getTimeWindow())) {
                                responseString.append(
                                        " Guard Params <b>Time Window</b> Should be Integer " + HTML_ITALICS_LNBREAK);
                                valid = false;
                            }
                            if (Strings.isNullOrEmpty(policyData.getYamlparams().getTimeUnits())) {
                                responseString
                                        .append("Guard Params <b>Time Units</b> is Required" + HTML_ITALICS_LNBREAK);
                                valid = false;
                            }
                        } else if ("GUARD_MIN_MAX".equals(policyData.getRuleProvider())) {
                            if (Strings.isNullOrEmpty(policyData.getYamlparams().getMin())) {
                                responseString.append(" Guard Params <b>Min</b> is Required " + HTML_ITALICS_LNBREAK);
                                valid = false;
                            } else if (!PolicyUtils.isInteger(policyData.getYamlparams().getMin())) {
                                responseString
                                        .append(" Guard Params <b>Min</b> Should be Integer " + HTML_ITALICS_LNBREAK);
                                valid = false;
                            }
                            if (Strings.isNullOrEmpty(policyData.getYamlparams().getMax())) {
                                responseString.append(" Guard Params <b>Max</b> is Required " + HTML_ITALICS_LNBREAK);
                                valid = false;
                            } else if (!PolicyUtils.isInteger(policyData.getYamlparams().getMax())) {
                                responseString
                                        .append(" Guard Params <b>Max</b> Should be Integer " + HTML_ITALICS_LNBREAK);
                                valid = false;
                            }
                        } else if ("GUARD_BL_YAML".equals(policyData.getRuleProvider())
                                && "Use Manual Entry".equals(policyData.getBlackListEntryType())) {

                            if (policyData.getYamlparams().getBlackList() == null
                                    || policyData.getYamlparams().getBlackList().isEmpty()) {
                                responseString
                                        .append(" Guard Params <b>BlackList</b> is Required " + HTML_ITALICS_LNBREAK);
                                valid = false;
                            } else {
                                for (String blackList : policyData.getYamlparams().getBlackList()) {
                                    if (blackList == null
                                            || !(SUCCESS.equals(PolicyUtils.policySpecialCharValidator(blackList)))) {
                                        responseString.append(" Guard Params <b>BlackList</b> Should be valid String"
                                                + HTML_ITALICS_LNBREAK);
                                        valid = false;
                                        break;
                                    }
                                }
                            }
                        }
                    }
                }
            }

            if(ACTION_POLICY.equalsIgnoreCase(policyData.getPolicyType())){
                if(!Strings.isNullOrEmpty(policyData.getActionPerformer())){
                    String actionPerformer = PolicyUtils.policySpecialCharValidator(policyData.getActionPerformer());
                    if(!actionPerformer.contains(SUCCESS)){
                        responseString.append("<b>ActionPerformer</b>:<i>" +  actionPerformer + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }
                }else{
                    responseString.append("<b>ActionPerformer</b>:<i> ActionPerformer Should not be empty" + HTML_ITALICS_LNBREAK);
                    valid = false;
                }

                if(!Strings.isNullOrEmpty(policyData.getActionAttributeValue())){
                    String actionAttribute = PolicyUtils.policySpecialCharValidator(policyData.getActionAttributeValue());
                    if(!actionAttribute.contains(SUCCESS)){
                        responseString.append("<b>ActionAttribute</b>:<i>" +  actionAttribute + HTML_ITALICS_LNBREAK);
                        valid = false;
                    }
                }else{
                    responseString.append("<b>ActionAttribute</b>:<i> ActionAttribute Should not be empty" + HTML_ITALICS_LNBREAK);
                    valid = false;
                }
            }

            if(CONFIG_POLICY.equals(policyData.getPolicyType())){
                String value = "";
                if(valid){
                    if(commonClassDao!=null){
                        List<Object> spData = commonClassDao.getDataById(SafePolicyWarning.class, "riskType", policyData.getRiskType());
                        if (!spData.isEmpty()){
                            SafePolicyWarning safePolicyWarningData  = (SafePolicyWarning) spData.get(0);
                            value = "<b>Message</b>:<i>" +  safePolicyWarningData.getMessage() +"</i>";
                        }
                    }
                    responseString.append(SUCCESS + "@#"+ value);
                }
            }else{
                if(valid){
                    responseString.append(SUCCESS);
                }
            }

            return responseString;
        }
        catch (Exception e){
            LOGGER.error("Exception Occured during Policy Validation" +e);
            return null;
        }
    }

    protected String emailValidation(String email, String response){
        String res = response;
        if(email != null){
            String validateEmail = PolicyUtils.validateEmailAddress(email.replace("\"", ""));
            if(!validateEmail.contains(SUCCESS)){
                res  += "<b>Email</b>:<i>" +  validateEmail + HTML_ITALICS_LNBREAK;
            }
            else {
                return SUCCESS;
            }
        }
        return res;
    }

    private MicroServiceModels getMSModelData(String name, String version) {
        MicroServiceModels workingModel = null;
        try{
            List<Object> microServiceModelsData = commonClassDao.getDataById(MicroServiceModels.class, "modelName:version", name+":"+version);
            if(microServiceModelsData != null){
                workingModel = (MicroServiceModels) microServiceModelsData.get(0);
            }
        }catch(Exception e){
            String message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Invalid Template.  The template name, "
                    + name + " was not found in the dictionary: ";
            LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + message + e);
            return null;
        }

        return workingModel;
    }

    private OptimizationModels getOptimizationModelData(String name, String version) {
        OptimizationModels workingModel = null;
        try{
            List<Object> optimizationModelsData = commonClassDao.getDataById(OptimizationModels.class, "modelName:version", name+":"+version);
            if(optimizationModelsData != null){
                workingModel = (OptimizationModels) optimizationModelsData.get(0);
            }
        }catch(Exception e){
            String message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Invalid Template.  The template name, "
                    + name + " was not found in the dictionary: ";
            LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + message + e);
            return null;
        }

        return workingModel;
    }

    private void pullJsonKeyPairs(JsonNode rootNode) {
        Iterator<Map.Entry<String, JsonNode>> fieldsIterator = rootNode.fields();

        while (fieldsIterator.hasNext()) {
            Map.Entry<String, JsonNode> field = fieldsIterator.next();
            final String key = field.getKey();
            final JsonNode value = field.getValue();
            if (value.isContainerNode() && !value.isArray()) {
                pullJsonKeyPairs(value); // RECURSIVE CALL
            } else {
                if (value.isArray()){
                    String newValue = StringUtils.replaceEach(value.toString(), new String[]{"[", "]", "\""}, new String[]{"", "", ""});
                    mapAttribute.put(key, newValue);
                }else {
                    mapAttribute.put(key, value.toString().trim());
                }
            }
        }
    }

    private void pullModelJsonKeyPairs(JsonNode rootNode) {
        Iterator<Map.Entry<String, JsonNode>> fieldsIterator = rootNode.fields();

        while (fieldsIterator.hasNext()) {
            Map.Entry<String, JsonNode> field = fieldsIterator.next();
            final String key = field.getKey();
            final JsonNode value = field.getValue();

            if (value.isContainerNode() && !value.isArray()) {
                jsonRequestMap.put(key, "containerNode");
                pullModelJsonKeyPairs(value); // RECURSIVE CALL
            } else if (value.isArray()) {
                try {
                    jsonRequestMap.put(key, "array");
                    String stringValue = StringUtils.replaceEach(value.toString(), new String[]{"[", "]"}, new String[]{"",""});
                    ObjectMapper mapper = new ObjectMapper();
                    JsonNode newValue = mapper.readTree(stringValue);
                    pullModelJsonKeyPairs(newValue);
                } catch (IOException e) {
                    LOGGER.info("PolicyValidation: Exception occurred while mapping string to JsonNode " + e);
                }
            } else {
                jsonRequestMap.put(key, value.toString().trim());
            }
        }
    }

    private JsonObject stringToJsonObject(String value) {
        try(JsonReader jsonReader = Json.createReader(new StringReader(value))){
            return jsonReader.readObject();
        } catch(JsonException| IllegalStateException e){
            LOGGER.info(XACMLErrorConstants.ERROR_DATA_ISSUE+ "Improper JSON format... may or may not cause issues in validating the policy: " + value, e);
            return null;
        }
    }
    
    private void findRequiredFields(JsonObject json) {

        for(Entry<String, JsonValue> keyMap : json.entrySet()){
            Object obj = keyMap.getValue();
            if(obj instanceof JsonObject){
                JsonObject jsonObj = (JsonObject)obj;
                for(Entry<String, JsonValue> jsonMap : jsonObj.entrySet()){
                    if(jsonMap.getValue().toString().contains("required-true")){
                        modelRequiredFieldsList.add(jsonMap.getKey());
                    }
                }
            } else {
                if(keyMap.getValue().toString().contains("required-true")){
                    modelRequiredFieldsList.add(keyMap.getKey());
                }
            }
        }

    }

}