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

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ECOMP 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.openecomp.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.openecomp.policy.rest.adapter.PolicyRestAdapter;
  41 import org.openecomp.policy.rest.dao.CommonClassDao;
  42 import org.openecomp.policy.rest.jpa.BRMSParamTemplate;
  43 import org.openecomp.policy.rest.jpa.PolicyEntity;
  44 import org.openecomp.portalsdk.core.controller.RestrictedBaseController;
  45 import org.springframework.beans.factory.annotation.Autowired;
  46 import org.springframework.stereotype.Controller;
  47 import org.springframework.web.bind.annotation.RequestMapping;
  48 import org.springframework.web.servlet.ModelAndView;
  49
  50 import org.openecomp.policy.xacml.api.XACMLErrorConstants;
  51 import com.fasterxml.jackson.databind.DeserializationFeature;
  52 import com.fasterxml.jackson.databind.JsonNode;
  53 import com.fasterxml.jackson.databind.ObjectMapper;
  54
  55 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AdviceExpressionType;
  56 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AdviceExpressionsType;
  57 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AllOfType;
  58 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AnyOfType;
  59 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeAssignmentExpressionType;
  60 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeDesignatorType;
  61 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeValueType;
  62 import oasis.names.tc.xacml._3_0.core.schema.wd_17.MatchType;
  63 import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
  64 import oasis.names.tc.xacml._3_0.core.schema.wd_17.RuleType;
  65 import oasis.names.tc.xacml._3_0.core.schema.wd_17.TargetType;
  66
  67 import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
  68 import org.openecomp.policy.common.logging.flexlogger.Logger;
  69
  70 @Controller
  71 @RequestMapping("/")
  72 public class CreateBRMSParamController extends RestrictedBaseController {
  73         private static final Logger policyLogger = FlexLogger.getLogger(CreateBRMSParamController.class);
  74
  75         private static CommonClassDao commonClassDao;
  76
  77         @Autowired
  78         private CreateBRMSParamController(CommonClassDao commonClassDao){
  79                 CreateBRMSParamController.commonClassDao = commonClassDao;
  80         }
  81
  82         public CreateBRMSParamController(){}
  83         protected PolicyRestAdapter policyAdapter = null;
  84
  85         private HashMap<String, String> dynamicLayoutMap;
  86
  87         private static String brmsTemplateVlaue = "<$%BRMSParamTemplate=";
  88         private static String String = "String";
  89
  90
  91         @RequestMapping(value={"/policyController/getBRMSTemplateData.htm"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
  92         public ModelAndView getBRMSParamPolicyRuleData(HttpServletRequest request, HttpServletResponse response) throws Exception{
  93                 dynamicLayoutMap = new HashMap<>();
  94                 ObjectMapper mapper = new ObjectMapper();
  95                 mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
  96                 JsonNode root = mapper.readTree(request.getReader());
  97                 String rule = findRule(root.get(PolicyController.getPolicydata()).toString().replaceAll("^\"|\"$", ""));
  98                 generateUI(rule);
  99                 response.setCharacterEncoding(PolicyController.getCharacterencoding());
 100                 response.setContentType(PolicyController.getContenttype());
 101                 request.setCharacterEncoding(PolicyController.getCharacterencoding());
 102
 103                 PrintWriter out = response.getWriter();
 104                 String responseString = mapper.writeValueAsString(dynamicLayoutMap);
 105                 JSONObject j = new JSONObject("{policyData: " + responseString + "}");
 106                 out.write(j.toString());
 107                 return null;
 108         }
 109
 110         protected String findRule(String ruleTemplate) {
 111                 List<Object> datas = commonClassDao.getData(BRMSParamTemplate.class);
 112                 for (Object data: datas){
 113                         BRMSParamTemplate  bRMSParamTemplate = (BRMSParamTemplate) data;
 114                         if(bRMSParamTemplate.getRuleName().equals(ruleTemplate)){
 115                                 return bRMSParamTemplate.getRule();
 116                         }
 117                 }
 118                 return null;
 119         }
 120
 121         protected void generateUI(String rule) {
 122                 if(rule!=null){
 123                         try {
 124                                 StringBuilder params = new StringBuilder("");
 125                                 Boolean flag = false;
 126                                 Boolean comment = false;
 127                                 String lines[] = rule.split("\n");
 128                                 for(String line : lines){
 129                                         if (line.isEmpty() || line.startsWith("//")) {
 130                                                 continue;
 131                                         }
 132                                         if (line.startsWith("/*")) {
 133                                                 comment = true;
 134                                                 continue;
 135                                         }
 136                                         if (line.contains("//")) {
 137                                                 line = line.split("\\/\\/")[0];
 138                                         }
 139                                         if (line.contains("/*")) {
 140                                                 comment = true;
 141                                                 if (line.contains("*/")) {
 142                                                         try {
 143                                                                 comment = false;
 144                                                                 line = line.split("\\/\\*")[0]
 145                                                                                 + line.split("\\*\\/")[1].replace("*/", "");
 146                                                         } catch (Exception e) {
 147                                                                 policyLogger.info("Just for Logging"+e);
 148                                                                 line = line.split("\\/\\*")[0];
 149                                                         }
 150                                                 } else {
 151                                                         line = line.split("\\/\\*")[0];
 152                                                 }
 153                                         }
 154                                         if (line.contains("*/")) {
 155                                                 comment = false;
 156                                                 try {
 157                                                         line = line.split("\\*\\/")[1].replace("*/", "");
 158                                                 } catch (Exception e) {
 159                                                         policyLogger.info("Just for Logging"+e);
 160                                                         line = "";
 161                                                 }
 162                                         }
 163                                         if (comment) {
 164                                                 continue;
 165                                         }
 166                                         if (flag) {
 167                                                 params.append(line);
 168                                         }
 169                                         if (line.contains("declare Params")) {
 170                                                 params.append(line);
 171                                                 flag = true;
 172                                         }
 173                                         if (line.contains("end") && flag) {
 174                                                 break;
 175                                         }
 176                                 }
 177                                 params = new StringBuilder(params.toString().replace("declare Params", "").replace("end", "").replaceAll("\\s+", ""));
 178                                 String[] components = params.toString().split(":");
 179                                 String caption = "";
 180                                 for (int i = 0; i < components.length; i++) {
 181                                         String type = "";
 182                                         if (i == 0) {
 183                                                 caption = components[i];
 184                                         }
 185                                         if("".equals(caption)){
 186                                                 break;
 187                                         }
 188                                         String nextComponent = "";
 189                                         try {
 190                                                 nextComponent = components[i + 1];
 191                                         } catch (Exception e) {
 192                                                 policyLogger.info("Just for Logging"+e);
 193                                                 nextComponent = components[i];
 194                                         }
 195                                         if (nextComponent.startsWith(String)) {
 196                                                 type = "String";
 197                                                 createField(caption, type);
 198                                                 caption = nextComponent.replace(String, "");
 199                                         } else if (nextComponent.startsWith("int")) {
 200                                                 type = "int";
 201                                                 createField(caption, type);
 202                                                 caption = nextComponent.replace("int", "");
 203                                         }
 204                                 }
 205                         } catch (Exception e) {
 206                                 policyLogger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
 207                         }
 208                 }
 209         }
 210
 211         private void createField(String caption, String type) {
 212                 dynamicLayoutMap.put(caption, type);
 213         }
 214
 215         /*
 216          * When the User Click Edit or View Policy the following method will get invoked for setting the data to PolicyRestAdapter.
 217          * Which is used to bind the data in GUI
 218          */
 219         public void prePopulateBRMSParamPolicyData(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
 220                 dynamicLayoutMap = new HashMap<>();
 221                 if (policyAdapter.getPolicyData() instanceof PolicyType) {
 222                         PolicyType policy = (PolicyType) policyAdapter.getPolicyData();
 223                         policyAdapter.setOldPolicyFileName(policyAdapter.getPolicyName());
 224                         // policy name value is the policy name without any prefix and
 225                         // Extensions.
 226                         String policyNameValue = policyAdapter.getPolicyName().substring(policyAdapter.getPolicyName().indexOf("BRMS_Param_") + 11);
 227                         if (policyLogger.isDebugEnabled()) {
 228                                 policyLogger.debug("Prepopulating form data for BRMS RAW Policy selected:" + policyAdapter.getPolicyName());
 229                         }
 230                         policyAdapter.setPolicyName(policyNameValue);
 231                         String description = "";
 232                         try{
 233                                 description = policy.getDescription().substring(0, policy.getDescription().indexOf("@CreatedBy:"));
 234                         }catch(Exception e){
 235                                 policyLogger.info("Just for Logging"+e);
 236                                 description = policy.getDescription();
 237                         }
 238                         policyAdapter.setPolicyDescription(description);
 239                         setDataAdapterFromAdviceExpressions(policy, policyAdapter);
 240                         paramUIGenerate(policyAdapter, entity);
 241                         // Get the target data under policy.
 242                         policyAdapter.setDynamicLayoutMap(dynamicLayoutMap);
 243                         if(policyAdapter.getDynamicLayoutMap().size() > 0){
 244                                 LinkedHashMap<String,String> drlRule = new LinkedHashMap<>();
 245                                 for(Object keyValue: policyAdapter.getDynamicLayoutMap().keySet()){
 246                                         drlRule.put(keyValue.toString(), policyAdapter.getDynamicLayoutMap().get(keyValue));
 247                                 }
 248                                 policyAdapter.setRuleData(drlRule);
 249                         }
 250                         TargetType target = policy.getTarget();
 251                         if (target != null) {
 252                                 setDataToAdapterFromTarget(target, policyAdapter);
 253                         }
 254                 }
 255         }
 256
 257         private void setDataAdapterFromAdviceExpressions(PolicyType policy, PolicyRestAdapter policyAdapter){
 258                 ArrayList<Object> attributeList = new ArrayList<>();
 259                 // Set Attributes.
 260                 AdviceExpressionsType expressionTypes = ((RuleType)policy.getCombinerParametersOrRuleCombinerParametersOrVariableDefinition().get(0)).getAdviceExpressions();
 261                 for( AdviceExpressionType adviceExpression: expressionTypes.getAdviceExpression()){
 262                         for(AttributeAssignmentExpressionType attributeAssignment: adviceExpression.getAttributeAssignmentExpression()){
 263                                 if(attributeAssignment.getAttributeId().startsWith("key:")){
 264                                         Map<String, String> attribute = new HashMap<>();
 265                                         String key = attributeAssignment.getAttributeId().replace("key:", "");
 266                                         attribute.put("key", key);
 267                                         @SuppressWarnings("unchecked")
 268                                         JAXBElement<AttributeValueType> attributevalue = (JAXBElement<AttributeValueType>) attributeAssignment.getExpression();
 269                                         String value = (String) attributevalue.getValue().getContent().get(0);
 270                                         attribute.put("value", value);
 271                                         attributeList.add(attribute);
 272                                 }else if(attributeAssignment.getAttributeId().startsWith("dependencies:")){
 273                                         ArrayList<String> dependencies = new ArrayList<>(Arrays.asList(attributeAssignment.getAttributeId().replace("dependencies:", "").split(",")));
 274                                         if(dependencies.contains("")){
 275                                                 dependencies.remove("");
 276                                         }
 277                                         policyAdapter.setBrmsDependency(dependencies);
 278                                 }else if(attributeAssignment.getAttributeId().startsWith("controller:")){
 279                                         policyAdapter.setBrmsController(attributeAssignment.getAttributeId().replace("controller:", ""));
 280                                 }
 281                         }
 282                         policyAdapter.setAttributes(attributeList);
 283                 }
 284         }
 285
 286         private void setDataToAdapterFromTarget(TargetType target, PolicyRestAdapter policyAdapter){
 287                 // Under target we have AnyOFType
 288                 List<AnyOfType> anyOfList = target.getAnyOf();
 289                 if (anyOfList != null) {
 290                         Iterator<AnyOfType> iterAnyOf = anyOfList.iterator();
 291                         while (iterAnyOf.hasNext()) {
 292                                 AnyOfType anyOf = iterAnyOf.next();
 293                                 // Under AnyOFType we have AllOFType
 294                                 List<AllOfType> allOfList = anyOf.getAllOf();
 295                                 if (allOfList != null) {
 296                                         Iterator<AllOfType> iterAllOf = allOfList.iterator();
 297                                         while (iterAllOf.hasNext()) {
 298                                                 AllOfType allOf = iterAllOf.next();
 299                                                 // Under AllOFType we have Match
 300                                                 List<MatchType> matchList = allOf.getMatch();
 301                                                 if (matchList != null) {
 302                                                         setDataToAdapterFromMatchList(matchList, policyAdapter);
 303                                                 }
 304                                         }
 305                                 }
 306                         }
 307                 }
 308         }
 309
 310         private void setDataToAdapterFromMatchList(List<MatchType> matchList, PolicyRestAdapter policyAdapter){
 311                 Iterator<MatchType> iterMatch = matchList.iterator();
 312                 while (iterMatch.hasNext()) {
 313                         MatchType match = iterMatch.next();
 314                         //
 315                         // Under the match we have attribute value and
 316                         // attributeDesignator. So,finally down to the actual attribute.
 317                         //
 318                         AttributeValueType attributeValue = match.getAttributeValue();
 319                         String value = (String) attributeValue.getContent().get(0);
 320                         AttributeDesignatorType designator = match.getAttributeDesignator();
 321                         String attributeId = designator.getAttributeId();
 322
 323                         if ("RiskType".equals(attributeId)){
 324                                 policyAdapter.setRiskType(value);
 325                         }
 326                         if ("RiskLevel".equals(attributeId)){
 327                                 policyAdapter.setRiskLevel(value);
 328                         }
 329                         if ("guard".equals(attributeId)){
 330                                 policyAdapter.setGuard(value);
 331                         }
 332                         if ("TTLDate".equals(attributeId) && !value.contains("NA")){
 333                                 String newDate = convertDate(value, true);
 334                                 policyAdapter.setTtlDate(newDate);
 335                         }
 336                 }
 337         }
 338
 339         private String convertDate(String dateTTL, boolean portalType) {
 340                 String formateDate = null;
 341                 String[] date;
 342                 String[] parts;
 343
 344                 if (portalType){
 345                         parts = dateTTL.split("-");
 346                         formateDate = parts[2] + "-" + parts[1] + "-" + parts[0] + "T05:00:00.000Z";
 347                 } else {
 348                         date  = dateTTL.split("T");
 349                         parts = date[0].split("-");
 350                         formateDate = parts[2] + "-" + parts[1] + "-" + parts[0];
 351                 }
 352                 return formateDate;
 353         }
 354         // This method generates the UI from rule configuration
 355         private void paramUIGenerate(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
 356                 String data = entity.getConfigurationData().getConfigBody();
 357                 if(data != null){
 358                         try {
 359                                 StringBuilder params = new StringBuilder("");
 360                                 Boolean flag = false;
 361                                 Boolean comment = false;
 362                                 for (String line : data.split("\n")) {
 363                                         if (line.isEmpty() || line.startsWith("//")) {
 364                                                 continue;
 365                                         }
 366                                         if(line.contains(brmsTemplateVlaue)){
 367                                                 String value = line.substring(line.indexOf("<$%"),line.indexOf("%$>"));
 368                                                 value = value.replace(brmsTemplateVlaue, "");
 369                                                 policyAdapter.setRuleName(value);
 370                                         }
 371                                         if (line.startsWith("/*")) {
 372                                                 comment = true;
 373                                                 continue;
 374                                         }
 375                                         if ((line.contains("//"))&&(!(line.contains("http://") || line.contains("https://")))){
 376                                                 line = line.split("\\/\\/")[0];
 377                                         }
 378                                         if (line.contains("/*")) {
 379                                                 comment = true;
 380                                                 if (line.contains("*/")) {
 381                                                         try {
 382                                                                 comment = false;
 383                                                                 line = line.split("\\/\\*")[0]
 384                                                                                 + line.split("\\*\\/")[1].replace(
 385                                                                                                 "*/", "");
 386                                                         } catch (Exception e) {
 387                                                                 policyLogger.info("Just for Logging"+e);
 388                                                                 line = line.split("\\/\\*")[0];
 389                                                         }
 390                                                 } else {
 391                                                         line = line.split("\\/\\*")[0];
 392                                                 }
 393                                         }
 394                                         if (line.contains("*/")) {
 395                                                 comment = false;
 396                                                 try {
 397                                                         line = line.split("\\*\\/")[1]
 398                                                                         .replace("*/", "");
 399                                                 } catch (Exception e) {
 400                                                         policyLogger.info("Just for Logging"+e);
 401                                                         line = "";
 402                                                 }
 403                                         }
 404                                         if (comment) {
 405                                                 continue;
 406                                         }
 407                                         if (flag) {
 408                                                 params.append(line);
 409                                         }
 410                                         if (line.contains("rule") && line.contains(".Params\"")) {
 411                                                 params.append(line);
 412                                                 flag = true;
 413                                         }
 414                                         if (line.contains("end") && flag) {
 415                                                 break;
 416                                         }
 417                                 }
 418                                 params = new StringBuilder(params.substring(params.indexOf(".Params\"")+ 8));
 419                                 params = new StringBuilder(params.toString().replaceAll("\\s+", "").replace("salience1000whenthenParamsparams=newParams();","")
 420                         .replace("insert(params);end", "")
 421                         .replace("params.set", ""));
 422                                 String[] components = params.toString().split("\\);");
 423                                 if(components!= null && components.length > 0){
 424                                         for (int i = 0; i < components.length; i++) {
 425                                                 String value = null;
 426                                                 components[i] = components[i]+")";
 427                                                 String caption = components[i].substring(0,
 428                                                                 components[i].indexOf('('));
 429                                                 caption = caption.substring(0, 1).toLowerCase() + caption.substring(1);
 430                                                 if (components[i].contains("(\"")) {
 431                                                         value = components[i]
 432                                                                         .substring(components[i].indexOf("(\""),
 433                                                                                         components[i].indexOf("\")"))
 434                                                                         .replace("(\"", "").replace("\")", "");
 435                                                 } else {
 436                                                         value = components[i]
 437                                                                         .substring(components[i].indexOf('('),
 438                                                                                         components[i].indexOf(')'))
 439                                                                         .replace("(", "").replace(")", "");
 440                                                 }
 441                                                 dynamicLayoutMap.put(caption, value);
 442
 443                                         }
 444                                 }
 445                         } catch (Exception e) {
 446                                 policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE + e.getMessage() + e);
 447                         }
 448                 }
 449
 450         }
 451
 452         // set View Rule
 453         @SuppressWarnings("unchecked")
 454         @RequestMapping(value={"/policyController/ViewBRMSParamPolicyRule.htm"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
 455         public ModelAndView setViewRule(HttpServletRequest request, HttpServletResponse response) throws Exception{
 456                 try {
 457                         ObjectMapper mapper = new ObjectMapper();
 458                         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 459                         JsonNode root = mapper.readTree(request.getReader());
 460                         PolicyRestAdapter policyData = mapper.readValue(root.get(PolicyController.getPolicydata()).get("policy").toString(), PolicyRestAdapter.class);
 461                         policyData.setDomainDir(root.get(PolicyController.getPolicydata()).get("model").get("name").toString().replace("\"", ""));
 462                         if(root.get(PolicyController.getPolicydata()).get("model").get("type").toString().replace("\"", "").equals(PolicyController.getFile())){
 463                                 policyData.setEditPolicy(true);
 464                         }
 465
 466                         String body = "";
 467
 468                         body = "/* Autogenerated Code Please Don't change/remove this comment section. This is for the UI purpose. \n\t " +
 469                                         brmsTemplateVlaue + policyData.getRuleName() + "%$> \n */ \n";
 470                         body = body + findRule((String) policyData.getRuleName()) + "\n";
 471                         StringBuilder generatedRule = new StringBuilder();
 472                         generatedRule.append("rule \""+ policyData.getDomainDir().replace("\\", ".") +".Config_BRMS_Param_" + policyData.getPolicyName()+".Params\" \n\tsalience 1000 \n\twhen\n\tthen\n\t\tParams params = new Params();");
 473
 474                         if(policyData.getRuleData().size() > 0){
 475                                 for(Object keyValue: policyData.getRuleData().keySet()){
 476                                         String key = keyValue.toString().substring(0, 1).toUpperCase() + keyValue.toString().substring(1);
 477                                         if (String.equals(keyValue)) {
 478                                                 generatedRule.append("\n\t\tparams.set"
 479                                                                 + key + "(\""
 480                                                                 + policyData.getRuleData().get(keyValue).toString() + "\");");
 481                                         } else {
 482                                                 generatedRule.append("\n\t\tparams.set"
 483                                                                 + key + "("
 484                                                                 + policyData.getRuleData().get(keyValue).toString() + ");");
 485                                         }
 486                                 }
 487                         }
 488                         generatedRule.append("\n\t\tinsert(params);\nend");
 489                         policyLogger.info("New rule generated with :" + generatedRule.toString());
 490                         body = body + generatedRule.toString();
 491                         // Expand the body.
 492                         Map<String,String> copyMap=new HashMap<>();
 493                         copyMap.putAll((Map<? extends String, ? extends String>) policyData.getRuleData());
 494                         copyMap.put("policyName", policyData.getDomainDir().replace("\\", ".") +".Config_BRMS_Param_" + policyData.getPolicyName());
 495                         copyMap.put("policyScope", policyData.getDomainDir().replace("\\", "."));
 496                         copyMap.put("policyVersion", "1");
 497                         //Finding all the keys in the Map data-structure.
 498                         Set<String> keySet= copyMap.keySet();
 499                         Iterator<String> iterator = keySet.iterator();
 500                         Pattern p;
 501                         Matcher m;
 502                         while(iterator.hasNext()) {
 503                                 //Converting the first character of the key into a lower case.
 504                                 String input= iterator.next();
 505                                 String output  = Character.toLowerCase(input.charAt(0)) +
 506                                                 (input.length() > 1 ? input.substring(1) : "");
 507                                 //Searching for a pattern in the String using the key.
 508                                 p=Pattern.compile("\\$\\{"+output+"\\}");
 509                                 m=p.matcher(body);
 510                                 //Replacing the value with the inputs provided by the user in the editor.
 511                                 body=m.replaceAll(copyMap.get(input));
 512                         }
 513                         response.setCharacterEncoding("UTF-8");
 514                         response.setContentType("application / json");
 515                         request.setCharacterEncoding("UTF-8");
 516
 517                         PrintWriter out = response.getWriter();
 518                         String responseString = mapper.writeValueAsString(body);
 519                         JSONObject j = new JSONObject("{policyData: " + responseString + "}");
 520                         out.write(j.toString());
 521                         return null;
 522                 } catch (Exception e) {
 523                         policyLogger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + e);
 524                 }
 525                 return null;
 526         }
 527 }