POLICY-SDK-APP/src/main/java/org/onap/policy/controller/CreateBRMSParamController.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP Policy Engine
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.policy.controller;
  22
  23 import java.io.PrintWriter;
  24 import java.util.ArrayList;
  25 import java.util.Arrays;
  26 import java.util.HashMap;
  27 import java.util.Iterator;
  28 import java.util.LinkedHashMap;
  29 import java.util.List;
  30 import java.util.Map;
  31 import java.util.Set;
  32 import java.util.regex.Matcher;
  33 import java.util.regex.Pattern;
  34
  35 import javax.servlet.http.HttpServletRequest;
  36 import javax.servlet.http.HttpServletResponse;
  37 import javax.xml.bind.JAXBElement;
  38
  39 import org.json.JSONObject;
  40 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  41 import org.onap.policy.common.logging.flexlogger.Logger;
  42 import org.onap.policy.rest.adapter.PolicyRestAdapter;
  43 import org.onap.policy.rest.dao.CommonClassDao;
  44 import org.onap.policy.rest.jpa.BRMSParamTemplate;
  45 import org.onap.policy.rest.jpa.PolicyEntity;
  46 import org.onap.policy.xacml.api.XACMLErrorConstants;
  47 import org.onap.portalsdk.core.controller.RestrictedBaseController;
  48 import org.springframework.beans.factory.annotation.Autowired;
  49 import org.springframework.stereotype.Controller;
  50 import org.springframework.web.bind.annotation.RequestMapping;
  51
  52 import com.fasterxml.jackson.databind.DeserializationFeature;
  53 import com.fasterxml.jackson.databind.JsonNode;
  54 import com.fasterxml.jackson.databind.ObjectMapper;
  55
  56 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AdviceExpressionType;
  57 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AdviceExpressionsType;
  58 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AllOfType;
  59 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AnyOfType;
  60 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeAssignmentExpressionType;
  61 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeDesignatorType;
  62 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeValueType;
  63 import oasis.names.tc.xacml._3_0.core.schema.wd_17.MatchType;
  64 import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
  65 import oasis.names.tc.xacml._3_0.core.schema.wd_17.RuleType;
  66 import oasis.names.tc.xacml._3_0.core.schema.wd_17.TargetType;
  67
  68 @Controller
  69 @RequestMapping("/")
  70 public class CreateBRMSParamController extends RestrictedBaseController {
  71         private static final Logger policyLogger = FlexLogger.getLogger(CreateBRMSParamController.class);
  72
  73         private static CommonClassDao commonClassDao;
  74
  75         public static CommonClassDao getCommonClassDao() {
  76                 return commonClassDao;
  77         }
  78
  79         public static void setCommonClassDao(CommonClassDao commonClassDao) {
  80                 CreateBRMSParamController.commonClassDao = commonClassDao;
  81         }
  82
  83         @Autowired
  84         private CreateBRMSParamController(CommonClassDao commonClassDao){
  85                 CreateBRMSParamController.commonClassDao = commonClassDao;
  86         }
  87
  88         public CreateBRMSParamController(){
  89                 // Empty constructor
  90         }
  91         protected PolicyRestAdapter policyAdapter = null;
  92
  93         private HashMap<String, String> dynamicLayoutMap;
  94
  95         private static String brmsTemplateVlaue = "<$%BRMSParamTemplate=";
  96         private static String string = "String";
  97
  98
  99         @RequestMapping(value={"/policyController/getBRMSTemplateData.htm"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
 100         public void getBRMSParamPolicyRuleData(HttpServletRequest request, HttpServletResponse response){
 101                 try{
 102                         dynamicLayoutMap = new HashMap<>();
 103                         ObjectMapper mapper = new ObjectMapper();
 104                         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 105                         JsonNode root = mapper.readTree(request.getReader());
 106                         String rule = findRule(root.get(PolicyController.getPolicydata()).toString().replaceAll("^\"|\"$", ""));
 107                         generateUI(rule);
 108                         response.setCharacterEncoding(PolicyController.getCharacterencoding());
 109                         response.setContentType(PolicyController.getContenttype());
 110                         request.setCharacterEncoding(PolicyController.getCharacterencoding());
 111
 112                         PrintWriter out = response.getWriter();
 113                         String responseString = mapper.writeValueAsString(dynamicLayoutMap);
 114                         JSONObject j = new JSONObject("{policyData: " + responseString + "}");
 115                         out.write(j.toString());
 116                 }catch(Exception e){
 117                         policyLogger.error("Exception Occured while getting BRMS Rule data" , e);
 118                 }
 119         }
 120
 121         protected String findRule(String ruleTemplate) {
 122                 List<Object> datas = commonClassDao.getDataById(BRMSParamTemplate.class, "ruleName", ruleTemplate);
 123                 if(datas != null && !datas.isEmpty()){
 124                         BRMSParamTemplate  bRMSParamTemplate = (BRMSParamTemplate) datas.get(0);
 125                         return bRMSParamTemplate.getRule();
 126                 }
 127                 return null;
 128         }
 129
 130         protected void generateUI(String rule) {
 131                 if(rule!=null){
 132                         try {
 133                                 StringBuilder params = new StringBuilder("");
 134                                 Boolean flag = false;
 135                                 Boolean comment = false;
 136                                 String[] lines = rule.split("\n");
 137                                 for(String line : lines){
 138                                         if (line.isEmpty() || line.startsWith("//")) {
 139                                                 continue;
 140                                         }
 141                                         if (line.startsWith("/*")) {
 142                                                 comment = true;
 143                                                 continue;
 144                                         }
 145                                         if (line.contains("//")) {
 146                                                 line = line.split("\\/\\/")[0];
 147                                         }
 148                                         if (line.contains("/*")) {
 149                                                 comment = true;
 150                                                 if (line.contains("*/")) {
 151                                                         try {
 152                                                                 comment = false;
 153                                                                 line = line.split("\\/\\*")[0]
 154                                                                                 + line.split("\\*\\/")[1].replace("*/", "");
 155                                                         } catch (Exception e) {
 156                                                                 policyLogger.info("Just for Logging"+e);
 157                                                                 line = line.split("\\/\\*")[0];
 158                                                         }
 159                                                 } else {
 160                                                         line = line.split("\\/\\*")[0];
 161                                                 }
 162                                         }
 163                                         if (line.contains("*/")) {
 164                                                 comment = false;
 165                                                 try {
 166                                                         line = line.split("\\*\\/")[1].replace("*/", "");
 167                                                 } catch (Exception e) {
 168                                                         policyLogger.info("Just for Logging"+e);
 169                                                         line = "";
 170                                                 }
 171                                         }
 172                                         if (comment) {
 173                                                 continue;
 174                                         }
 175                                         if (flag) {
 176                                                 params.append(line);
 177                                         }
 178                                         if (line.contains("declare PapParams")) {
 179                                                 params.append(line);
 180                                                 flag = true;
 181                                         }
 182                                         if (line.contains("end") && flag) {
 183                                                 break;
 184                                         }
 185                                 }
 186                                 params = new StringBuilder(params.toString().replace("declare PapParams", "").replace("end", "").replaceAll("\\s+", ""));
 187                                 String[] components = params.toString().split(":");
 188                                 String caption = "";
 189                                 for (int i = 0; i < components.length; i++) {
 190                                         String type;
 191                                         if (i == 0) {
 192                                                 caption = components[i];
 193                                         }
 194                                         if("".equals(caption)){
 195                                                 break;
 196                                         }
 197                                         String nextComponent = "";
 198                                         try {
 199                                                 nextComponent = components[i + 1];
 200                                         } catch (Exception e) {
 201                                                 policyLogger.info("Just for Logging"+e);
 202                                                 nextComponent = components[i];
 203                                         }
 204                                         if (nextComponent.startsWith(string)) {
 205                                                 type = "String";
 206                                                 createField(caption, type);
 207                                                 caption = nextComponent.replace(string, "");
 208                                         } else if (nextComponent.startsWith("int")) {
 209                                                 type = "int";
 210                                                 createField(caption, type);
 211                                                 caption = nextComponent.replace("int", "");
 212                                         }
 213                                 }
 214                         } catch (Exception e) {
 215                                 policyLogger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
 216                         }
 217                 }
 218         }
 219
 220         private void createField(String caption, String type) {
 221                 dynamicLayoutMap.put(caption, type);
 222         }
 223
 224         /*
 225          * When the User Click Edit or View Policy the following method will get invoked for setting the data to PolicyRestAdapter.
 226          * Which is used to bind the data in GUI
 227          */
 228         public void prePopulateBRMSParamPolicyData(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
 229                 dynamicLayoutMap = new HashMap<>();
 230                 if (policyAdapter.getPolicyData() instanceof PolicyType) {
 231                         PolicyType policy = (PolicyType) policyAdapter.getPolicyData();
 232                         policyAdapter.setOldPolicyFileName(policyAdapter.getPolicyName());
 233                         // policy name value is the policy name without any prefix and
 234                         // Extensions.
 235                         String policyNameValue = policyAdapter.getPolicyName().substring(policyAdapter.getPolicyName().indexOf("BRMS_Param_") + 11);
 236                         if (policyLogger.isDebugEnabled()) {
 237                                 policyLogger.debug("Prepopulating form data for BRMS RAW Policy selected:" + policyAdapter.getPolicyName());
 238                         }
 239                         policyAdapter.setPolicyName(policyNameValue);
 240                         String description = "";
 241                         try{
 242                                 description = policy.getDescription().substring(0, policy.getDescription().indexOf("@CreatedBy:"));
 243                         }catch(Exception e){
 244                                 policyLogger.info("Just for Logging"+e);
 245                                 description = policy.getDescription();
 246                         }
 247                         policyAdapter.setPolicyDescription(description);
 248                         setDataAdapterFromAdviceExpressions(policy, policyAdapter);
 249                         paramUIGenerate(policyAdapter, entity);
 250                         // Get the target data under policy.
 251                         policyAdapter.setDynamicLayoutMap(dynamicLayoutMap);
 252                         if(policyAdapter.getDynamicLayoutMap().size() > 0){
 253                                 LinkedHashMap<String,String> drlRule = new LinkedHashMap<>();
 254                                 for(Object keyValue: policyAdapter.getDynamicLayoutMap().keySet()){
 255                                         drlRule.put(keyValue.toString(), policyAdapter.getDynamicLayoutMap().get(keyValue));
 256                                 }
 257                                 policyAdapter.setRuleData(drlRule);
 258                         }
 259                         TargetType target = policy.getTarget();
 260                         if (target != null) {
 261                                 setDataToAdapterFromTarget(target, policyAdapter);
 262                         }
 263                 }
 264         }
 265
 266         private void setDataAdapterFromAdviceExpressions(PolicyType policy, PolicyRestAdapter policyAdapter){
 267                 ArrayList<Object> attributeList = new ArrayList<>();
 268                 // Set Attributes.
 269                 AdviceExpressionsType expressionTypes = ((RuleType)policy.getCombinerParametersOrRuleCombinerParametersOrVariableDefinition().get(0)).getAdviceExpressions();
 270                 for( AdviceExpressionType adviceExpression: expressionTypes.getAdviceExpression()){
 271                         for(AttributeAssignmentExpressionType attributeAssignment: adviceExpression.getAttributeAssignmentExpression()){
 272                                 if(attributeAssignment.getAttributeId().startsWith("key:")){
 273                                         Map<String, String> attribute = new HashMap<>();
 274                                         String key = attributeAssignment.getAttributeId().replace("key:", "");
 275                                         attribute.put("key", key);
 276                                         @SuppressWarnings("unchecked")
 277                                         JAXBElement<AttributeValueType> attributevalue = (JAXBElement<AttributeValueType>) attributeAssignment.getExpression();
 278                                         String value = (String) attributevalue.getValue().getContent().get(0);
 279                                         attribute.put("value", value);
 280                                         attributeList.add(attribute);
 281                                 }else if(attributeAssignment.getAttributeId().startsWith("dependencies:")){
 282                                         ArrayList<String> dependencies = new ArrayList<>(Arrays.asList(attributeAssignment.getAttributeId().replace("dependencies:", "").split(",")));
 283                                         if(dependencies.contains("")){
 284                                                 dependencies.remove("");
 285                                         }
 286                                         policyAdapter.setBrmsDependency(dependencies);
 287                                 }else if(attributeAssignment.getAttributeId().startsWith("controller:")){
 288                                         policyAdapter.setBrmsController(attributeAssignment.getAttributeId().replace("controller:", ""));
 289                                 }
 290                         }
 291                         policyAdapter.setAttributes(attributeList);
 292                 }
 293         }
 294
 295         private void setDataToAdapterFromTarget(TargetType target, PolicyRestAdapter policyAdapter){
 296                 // Under target we have AnyOFType
 297                 List<AnyOfType> anyOfList = target.getAnyOf();
 298                 if (anyOfList != null) {
 299                         Iterator<AnyOfType> iterAnyOf = anyOfList.iterator();
 300                         while (iterAnyOf.hasNext()) {
 301                                 AnyOfType anyOf = iterAnyOf.next();
 302                                 // Under AnyOFType we have AllOFType
 303                                 List<AllOfType> allOfList = anyOf.getAllOf();
 304                                 if (allOfList != null) {
 305                                         Iterator<AllOfType> iterAllOf = allOfList.iterator();
 306                                         while (iterAllOf.hasNext()) {
 307                                                 AllOfType allOf = iterAllOf.next();
 308                                                 // Under AllOFType we have Match
 309                                                 List<MatchType> matchList = allOf.getMatch();
 310                                                 if (matchList != null) {
 311                                                         setDataToAdapterFromMatchList(matchList, policyAdapter);
 312                                                 }
 313                                         }
 314                                 }
 315                         }
 316                 }
 317         }
 318
 319         private void setDataToAdapterFromMatchList(List<MatchType> matchList, PolicyRestAdapter policyAdapter){
 320                 Iterator<MatchType> iterMatch = matchList.iterator();
 321                 while (iterMatch.hasNext()) {
 322                         MatchType match = iterMatch.next();
 323                         //
 324                         // Under the match we have attribute value and
 325                         // attributeDesignator. So,finally down to the actual attribute.
 326                         //
 327                         AttributeValueType attributeValue = match.getAttributeValue();
 328                         String value = (String) attributeValue.getContent().get(0);
 329                         AttributeDesignatorType designator = match.getAttributeDesignator();
 330                         String attributeId = designator.getAttributeId();
 331
 332                         if ("RiskType".equals(attributeId)){
 333                                 policyAdapter.setRiskType(value);
 334                         }
 335                         if ("RiskLevel".equals(attributeId)){
 336                                 policyAdapter.setRiskLevel(value);
 337                         }
 338                         if ("guard".equals(attributeId)){
 339                                 policyAdapter.setGuard(value);
 340                         }
 341                         if ("TTLDate".equals(attributeId) && !value.contains("NA")){
 342                                 PolicyController controller = new PolicyController();
 343                                 String newDate = controller.convertDate(value);
 344                                 policyAdapter.setTtlDate(newDate);
 345                         }
 346                 }
 347         }
 348
 349         // This method generates the UI from rule configuration
 350         public void paramUIGenerate(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
 351                 String data = entity.getConfigurationData().getConfigBody();
 352                 if(data != null){
 353                         try {
 354                                 StringBuilder params = new StringBuilder("");
 355                                 Boolean flag = false;
 356                                 Boolean comment = false;
 357                                 for (String line : data.split("\n")) {
 358                                         if (line.isEmpty() || line.startsWith("//")) {
 359                                                 continue;
 360                                         }
 361                                         if(line.contains(brmsTemplateVlaue)){
 362                                                 String value = line.substring(line.indexOf("<$%"),line.indexOf("%$>"));
 363                                                 value = value.replace(brmsTemplateVlaue, "");
 364                                                 policyAdapter.setRuleName(value);
 365                                         }
 366                                         if (line.startsWith("/*")) {
 367                                                 comment = true;
 368                                                 continue;
 369                                         }
 370                                         if ((line.contains("//"))&&(!(line.contains("http://") || line.contains("https://")))){
 371                                                 line = line.split("\\/\\/")[0];
 372                                         }
 373                                         if (line.contains("/*")) {
 374                                                 comment = true;
 375                                                 if (line.contains("*/")) {
 376                                                         try {
 377                                                                 comment = false;
 378                                                                 line = line.split("\\/\\*")[0]
 379                                                                                 + line.split("\\*\\/")[1].replace(
 380                                                                                                 "*/", "");
 381                                                         } catch (Exception e) {
 382                                                                 policyLogger.info("Just for Logging"+e);
 383                                                                 line = line.split("\\/\\*")[0];
 384                                                         }
 385                                                 } else {
 386                                                         line = line.split("\\/\\*")[0];
 387                                                 }
 388                                         }
 389                                         if (line.contains("*/")) {
 390                                                 comment = false;
 391                                                 try {
 392                                                         line = line.split("\\*\\/")[1]
 393                                                                         .replace("*/", "");
 394                                                 } catch (Exception e) {
 395                                                         policyLogger.info("Just for Logging"+e);
 396                                                         line = "";
 397                                                 }
 398                                         }
 399                                         if (comment) {
 400                                                 continue;
 401                                         }
 402                                         if (flag) {
 403                                                 params.append(line);
 404                                         }
 405                                         if (line.contains("rule") && line.contains(".PapParams\"")) {
 406                                                 params.append(line);
 407                                                 flag = true;
 408                                         }
 409                                         if (line.contains("end") && flag) {
 410                                                 break;
 411                                         }
 412                                 }
 413                                 params = new StringBuilder(params.substring(params.indexOf(".PapParams\"")+ 11));
 414                                 params = new StringBuilder(params.toString().replaceAll("\\s+", "").replace("salience1000whenthenPapParamsparams=newPapParams();","")
 415                         .replace("insert(params);end", "")
 416                         .replace("params.set", ""));
 417                                 String[] components = params.toString().split("\\);");
 418                                 if(components!= null && components.length > 0){
 419                                         for (int i = 0; i < components.length; i++) {
 420                                                 String value;
 421                                                 components[i] = components[i]+")";
 422                                                 String caption = components[i].substring(0,
 423                                                                 components[i].indexOf('('));
 424                                                 caption = caption.substring(0, 1).toLowerCase() + caption.substring(1);
 425                                                 if (components[i].contains("(\"")) {
 426                                                         value = components[i]
 427                                                                         .substring(components[i].indexOf("(\""),
 428                                                                                         components[i].indexOf("\")"))
 429                                                                         .replace("(\"", "").replace("\")", "");
 430                                                 } else {
 431                                                         value = components[i]
 432                                                                         .substring(components[i].indexOf('('),
 433                                                                                         components[i].indexOf(')'))
 434                                                                         .replace("(", "").replace(")", "");
 435                                                 }
 436                                                 dynamicLayoutMap.put(caption, value);
 437
 438                                         }
 439                                 }
 440                         } catch (Exception e) {
 441                                 policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE + e.getMessage() + e);
 442                         }
 443                 }
 444
 445         }
 446
 447         // set View Rule
 448         @SuppressWarnings("unchecked")
 449         @RequestMapping(value={"/policyController/ViewBRMSParamPolicyRule.htm"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
 450         public void setViewRule(HttpServletRequest request, HttpServletResponse response){
 451                 try {
 452                         ObjectMapper mapper = new ObjectMapper();
 453                         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 454                         JsonNode root = mapper.readTree(request.getReader());
 455                         PolicyRestAdapter policyData = mapper.readValue(root.get(PolicyController.getPolicydata()).get("policy").toString(), PolicyRestAdapter.class);
 456                         policyData.setDomainDir(root.get(PolicyController.getPolicydata()).get("model").get("name").toString().replace("\"", ""));
 457                         if(root.get(PolicyController.getPolicydata()).get("model").get("type").toString().replace("\"", "").equals(PolicyController.getFile())){
 458                                 policyData.setEditPolicy(true);
 459                         }
 460
 461                         String body;
 462
 463                         body = "/* Autogenerated Code Please Don't change/remove this comment section. This is for the UI purpose. \n\t " +
 464                                         brmsTemplateVlaue + policyData.getRuleName() + "%$> \n */ \n";
 465                         body = body + findRule((String) policyData.getRuleName()) + "\n";
 466                         StringBuilder generatedRule = new StringBuilder();
 467                         generatedRule.append("rule \""+ policyData.getDomainDir().replace("\\", ".") +".Config_BRMS_Param_" + policyData.getPolicyName()+".PapParams\" \n\tsalience 1000 \n\twhen\n\tthen\n\t\tPapParams params = new PapParams();");
 468
 469                         if(policyData.getRuleData().size() > 0){
 470                                 for(Object keyValue: policyData.getRuleData().keySet()){
 471                                         String key = keyValue.toString().substring(0, 1).toUpperCase() + keyValue.toString().substring(1);
 472                                         if (string.equals(keyValue)) {
 473                                                 generatedRule.append("\n\t\tparams.set"
 474                                                                 + key + "(\""
 475                                                                 + policyData.getRuleData().get(keyValue).toString() + "\");");
 476                                         } else {
 477                                                 generatedRule.append("\n\t\tparams.set"
 478                                                                 + key + "("
 479                                                                 + policyData.getRuleData().get(keyValue).toString() + ");");
 480                                         }
 481                                 }
 482                         }
 483                         generatedRule.append("\n\t\tinsert(params);\nend");
 484                         policyLogger.info("New rule generated with :" + generatedRule.toString());
 485                         body = body + generatedRule.toString();
 486                         // Expand the body.
 487                         Map<String,String> copyMap=new HashMap<>();
 488                         copyMap.putAll((Map<? extends String, ? extends String>) policyData.getRuleData());
 489                         copyMap.put("policyName", policyData.getDomainDir().replace("\\", ".") +".Config_BRMS_Param_" + policyData.getPolicyName());
 490                         copyMap.put("policyScope", policyData.getDomainDir().replace("\\", "."));
 491                         copyMap.put("policyVersion", "1");
 492                         //Finding all the keys in the Map data-structure.
 493                         Set<String> keySet= copyMap.keySet();
 494                         Iterator<String> iterator = keySet.iterator();
 495                         Pattern p;
 496                         Matcher m;
 497                         while(iterator.hasNext()) {
 498                                 //Converting the first character of the key into a lower case.
 499                                 String input= iterator.next();
 500                                 String output  = Character.toLowerCase(input.charAt(0)) +
 501                                                 (input.length() > 1 ? input.substring(1) : "");
 502                                 //Searching for a pattern in the String using the key.
 503                                 p=Pattern.compile("\\$\\{"+output+"\\}");
 504                                 m=p.matcher(body);
 505                                 //Replacing the value with the inputs provided by the user in the editor.
 506                                 body=m.replaceAll(copyMap.get(input));
 507                         }
 508                         response.setCharacterEncoding("UTF-8");
 509                         response.setContentType("application / json");
 510                         request.setCharacterEncoding("UTF-8");
 511
 512                         PrintWriter out = response.getWriter();
 513                         String responseString = mapper.writeValueAsString(body);
 514                         JSONObject j = new JSONObject("{policyData: " + responseString + "}");
 515                         out.write(j.toString());
 516                 } catch (Exception e) {
 517                         policyLogger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + e);
 518                 }
 519         }
 520 }