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.BufferedReader;
  24 import java.io.File;
  25 import java.io.FileReader;
  26 import java.io.PrintWriter;
  27 import java.nio.file.Files;
  28 import java.nio.file.Paths;
  29 import java.util.ArrayList;
  30 import java.util.Arrays;
  31 import java.util.HashMap;
  32 import java.util.Iterator;
  33 import java.util.LinkedHashMap;
  34 import java.util.List;
  35 import java.util.Map;
  36 import java.util.Set;
  37 import java.util.regex.Matcher;
  38 import java.util.regex.Pattern;
  39
  40 import javax.servlet.http.HttpServletRequest;
  41 import javax.servlet.http.HttpServletResponse;
  42 import javax.xml.bind.JAXBElement;
  43
  44 import org.json.JSONObject;
  45 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  46 import org.onap.policy.common.logging.flexlogger.Logger;
  47 import org.onap.policy.rest.adapter.PolicyRestAdapter;
  48 import org.onap.policy.rest.dao.CommonClassDao;
  49 import org.onap.policy.rest.jpa.BRMSParamTemplate;
  50 import org.onap.policy.rest.jpa.PolicyEntity;
  51 import org.onap.policy.xacml.api.XACMLErrorConstants;
  52 import org.openecomp.portalsdk.core.controller.RestrictedBaseController;
  53 import org.springframework.beans.factory.annotation.Autowired;
  54 import org.springframework.stereotype.Controller;
  55 import org.springframework.web.bind.annotation.RequestMapping;
  56
  57 import com.fasterxml.jackson.databind.DeserializationFeature;
  58 import com.fasterxml.jackson.databind.JsonNode;
  59 import com.fasterxml.jackson.databind.ObjectMapper;
  60
  61 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AdviceExpressionType;
  62 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AdviceExpressionsType;
  63 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AllOfType;
  64 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AnyOfType;
  65 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeAssignmentExpressionType;
  66 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeDesignatorType;
  67 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeValueType;
  68 import oasis.names.tc.xacml._3_0.core.schema.wd_17.MatchType;
  69 import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
  70 import oasis.names.tc.xacml._3_0.core.schema.wd_17.RuleType;
  71 import oasis.names.tc.xacml._3_0.core.schema.wd_17.TargetType;
  72
  73 @Controller
  74 @RequestMapping("/")
  75 public class CreateBRMSParamController extends RestrictedBaseController {
  76         private static final Logger policyLogger = FlexLogger.getLogger(CreateBRMSParamController.class);
  77
  78         private static CommonClassDao commonClassDao;
  79
  80         public static CommonClassDao getCommonClassDao() {
  81                 return commonClassDao;
  82         }
  83
  84         public static void setCommonClassDao(CommonClassDao commonClassDao) {
  85                 CreateBRMSParamController.commonClassDao = commonClassDao;
  86         }
  87
  88         @Autowired
  89         private CreateBRMSParamController(CommonClassDao commonClassDao){
  90                 CreateBRMSParamController.commonClassDao = commonClassDao;
  91         }
  92
  93         public CreateBRMSParamController(){}
  94         protected PolicyRestAdapter policyAdapter = null;
  95
  96         private HashMap<String, String> dynamicLayoutMap;
  97
  98         private static String brmsTemplateVlaue = "<$%BRMSParamTemplate=";
  99         private static String string = "String";
 100
 101
 102         @RequestMapping(value={"/policyController/getBRMSTemplateData.htm"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
 103         public void getBRMSParamPolicyRuleData(HttpServletRequest request, HttpServletResponse response){
 104                 try{
 105                         dynamicLayoutMap = new HashMap<>();
 106                         ObjectMapper mapper = new ObjectMapper();
 107                         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 108                         JsonNode root = mapper.readTree(request.getReader());
 109                         String rule = findRule(root.get(PolicyController.getPolicydata()).toString().replaceAll("^\"|\"$", ""));
 110                         generateUI(rule);
 111                         response.setCharacterEncoding(PolicyController.getCharacterencoding());
 112                         response.setContentType(PolicyController.getContenttype());
 113                         request.setCharacterEncoding(PolicyController.getCharacterencoding());
 114
 115                         PrintWriter out = response.getWriter();
 116                         String responseString = mapper.writeValueAsString(dynamicLayoutMap);
 117                         JSONObject j = new JSONObject("{policyData: " + responseString + "}");
 118                         out.write(j.toString());
 119                 }catch(Exception e){
 120                         policyLogger.error("Exception Occured while getting BRMS Rule data" , e);
 121                 }
 122         }
 123
 124         protected String findRule(String ruleTemplate) {
 125                 List<Object> datas = commonClassDao.getDataById(BRMSParamTemplate.class, "ruleName", ruleTemplate);
 126                 if(datas != null && !datas.isEmpty()){
 127                         BRMSParamTemplate  bRMSParamTemplate = (BRMSParamTemplate) datas.get(0);
 128                         return bRMSParamTemplate.getRule();
 129                 }
 130                 return null;
 131         }
 132
 133         protected void generateUI(String rule) {
 134                 if(rule!=null){
 135                         try {
 136                                 StringBuilder params = new StringBuilder("");
 137                                 Boolean flag = false;
 138                                 Boolean comment = false;
 139                                 String lines[] = rule.split("\n");
 140                                 for(String line : lines){
 141                                         if (line.isEmpty() || line.startsWith("//")) {
 142                                                 continue;
 143                                         }
 144                                         if (line.startsWith("/*")) {
 145                                                 comment = true;
 146                                                 continue;
 147                                         }
 148                                         if (line.contains("//")) {
 149                                                 line = line.split("\\/\\/")[0];
 150                                         }
 151                                         if (line.contains("/*")) {
 152                                                 comment = true;
 153                                                 if (line.contains("*/")) {
 154                                                         try {
 155                                                                 comment = false;
 156                                                                 line = line.split("\\/\\*")[0]
 157                                                                                 + line.split("\\*\\/")[1].replace("*/", "");
 158                                                         } catch (Exception e) {
 159                                                                 policyLogger.info("Just for Logging"+e);
 160                                                                 line = line.split("\\/\\*")[0];
 161                                                         }
 162                                                 } else {
 163                                                         line = line.split("\\/\\*")[0];
 164                                                 }
 165                                         }
 166                                         if (line.contains("*/")) {
 167                                                 comment = false;
 168                                                 try {
 169                                                         line = line.split("\\*\\/")[1].replace("*/", "");
 170                                                 } catch (Exception e) {
 171                                                         policyLogger.info("Just for Logging"+e);
 172                                                         line = "";
 173                                                 }
 174                                         }
 175                                         if (comment) {
 176                                                 continue;
 177                                         }
 178                                         if (flag) {
 179                                                 params.append(line);
 180                                         }
 181                                         if (line.contains("declare Params")) {
 182                                                 params.append(line);
 183                                                 flag = true;
 184                                         }
 185                                         if (line.contains("end") && flag) {
 186                                                 break;
 187                                         }
 188                                 }
 189                                 params = new StringBuilder(params.toString().replace("declare Params", "").replace("end", "").replaceAll("\\s+", ""));
 190                                 String[] components = params.toString().split(":");
 191                                 String caption = "";
 192                                 for (int i = 0; i < components.length; i++) {
 193                                         String type = "";
 194                                         if (i == 0) {
 195                                                 caption = components[i];
 196                                         }
 197                                         if("".equals(caption)){
 198                                                 break;
 199                                         }
 200                                         String nextComponent = "";
 201                                         try {
 202                                                 nextComponent = components[i + 1];
 203                                         } catch (Exception e) {
 204                                                 policyLogger.info("Just for Logging"+e);
 205                                                 nextComponent = components[i];
 206                                         }
 207                                         if (nextComponent.startsWith(string)) {
 208                                                 type = "String";
 209                                                 createField(caption, type);
 210                                                 caption = nextComponent.replace(string, "");
 211                                         } else if (nextComponent.startsWith("int")) {
 212                                                 type = "int";
 213                                                 createField(caption, type);
 214                                                 caption = nextComponent.replace("int", "");
 215                                         }
 216                                 }
 217                         } catch (Exception e) {
 218                                 policyLogger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
 219                         }
 220                 }
 221         }
 222
 223         private void createField(String caption, String type) {
 224                 dynamicLayoutMap.put(caption, type);
 225         }
 226
 227         /*
 228          * When the User Click Edit or View Policy the following method will get invoked for setting the data to PolicyRestAdapter.
 229          * Which is used to bind the data in GUI
 230          */
 231         public void prePopulateBRMSParamPolicyData(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
 232                 dynamicLayoutMap = new HashMap<>();
 233                 if (policyAdapter.getPolicyData() instanceof PolicyType) {
 234                         PolicyType policy = (PolicyType) policyAdapter.getPolicyData();
 235                         policyAdapter.setOldPolicyFileName(policyAdapter.getPolicyName());
 236                         // policy name value is the policy name without any prefix and
 237                         // Extensions.
 238                         String policyNameValue = policyAdapter.getPolicyName().substring(policyAdapter.getPolicyName().indexOf("BRMS_Param_") + 11);
 239                         if (policyLogger.isDebugEnabled()) {
 240                                 policyLogger.debug("Prepopulating form data for BRMS RAW Policy selected:" + policyAdapter.getPolicyName());
 241                         }
 242                         policyAdapter.setPolicyName(policyNameValue);
 243                         String description = "";
 244                         try{
 245                                 description = policy.getDescription().substring(0, policy.getDescription().indexOf("@CreatedBy:"));
 246                         }catch(Exception e){
 247                                 policyLogger.info("Just for Logging"+e);
 248                                 description = policy.getDescription();
 249                         }
 250                         policyAdapter.setPolicyDescription(description);
 251                         setDataAdapterFromAdviceExpressions(policy, policyAdapter);
 252                         paramUIGenerate(policyAdapter, entity);
 253                         // Get the target data under policy.
 254                         policyAdapter.setDynamicLayoutMap(dynamicLayoutMap);
 255                         if(policyAdapter.getDynamicLayoutMap().size() > 0){
 256                                 LinkedHashMap<String,String> drlRule = new LinkedHashMap<>();
 257                                 for(Object keyValue: policyAdapter.getDynamicLayoutMap().keySet()){
 258                                         drlRule.put(keyValue.toString(), policyAdapter.getDynamicLayoutMap().get(keyValue));
 259                                 }
 260                                 policyAdapter.setRuleData(drlRule);
 261                         }
 262                         TargetType target = policy.getTarget();
 263                         if (target != null) {
 264                                 setDataToAdapterFromTarget(target, policyAdapter);
 265                         }
 266                 }
 267         }
 268
 269         private void setDataAdapterFromAdviceExpressions(PolicyType policy, PolicyRestAdapter policyAdapter){
 270                 ArrayList<Object> attributeList = new ArrayList<>();
 271                 // Set Attributes.
 272                 AdviceExpressionsType expressionTypes = ((RuleType)policy.getCombinerParametersOrRuleCombinerParametersOrVariableDefinition().get(0)).getAdviceExpressions();
 273                 for( AdviceExpressionType adviceExpression: expressionTypes.getAdviceExpression()){
 274                         for(AttributeAssignmentExpressionType attributeAssignment: adviceExpression.getAttributeAssignmentExpression()){
 275                                 if(attributeAssignment.getAttributeId().startsWith("key:")){
 276                                         Map<String, String> attribute = new HashMap<>();
 277                                         String key = attributeAssignment.getAttributeId().replace("key:", "");
 278                                         attribute.put("key", key);
 279                                         @SuppressWarnings("unchecked")
 280                                         JAXBElement<AttributeValueType> attributevalue = (JAXBElement<AttributeValueType>) attributeAssignment.getExpression();
 281                                         String value = (String) attributevalue.getValue().getContent().get(0);
 282                                         attribute.put("value", value);
 283                                         attributeList.add(attribute);
 284                                 }else if(attributeAssignment.getAttributeId().startsWith("dependencies:")){
 285                                         ArrayList<String> dependencies = new ArrayList<>(Arrays.asList(attributeAssignment.getAttributeId().replace("dependencies:", "").split(",")));
 286                                         if(dependencies.contains("")){
 287                                                 dependencies.remove("");
 288                                         }
 289                                         policyAdapter.setBrmsDependency(dependencies);
 290                                 }else if(attributeAssignment.getAttributeId().startsWith("controller:")){
 291                                         policyAdapter.setBrmsController(attributeAssignment.getAttributeId().replace("controller:", ""));
 292                                 }
 293                         }
 294                         policyAdapter.setAttributes(attributeList);
 295                 }
 296         }
 297
 298         private void setDataToAdapterFromTarget(TargetType target, PolicyRestAdapter policyAdapter){
 299                 // Under target we have AnyOFType
 300                 List<AnyOfType> anyOfList = target.getAnyOf();
 301                 if (anyOfList != null) {
 302                         Iterator<AnyOfType> iterAnyOf = anyOfList.iterator();
 303                         while (iterAnyOf.hasNext()) {
 304                                 AnyOfType anyOf = iterAnyOf.next();
 305                                 // Under AnyOFType we have AllOFType
 306                                 List<AllOfType> allOfList = anyOf.getAllOf();
 307                                 if (allOfList != null) {
 308                                         Iterator<AllOfType> iterAllOf = allOfList.iterator();
 309                                         while (iterAllOf.hasNext()) {
 310                                                 AllOfType allOf = iterAllOf.next();
 311                                                 // Under AllOFType we have Match
 312                                                 List<MatchType> matchList = allOf.getMatch();
 313                                                 if (matchList != null) {
 314                                                         setDataToAdapterFromMatchList(matchList, policyAdapter);
 315                                                 }
 316                                         }
 317                                 }
 318                         }
 319                 }
 320         }
 321
 322         private void setDataToAdapterFromMatchList(List<MatchType> matchList, PolicyRestAdapter policyAdapter){
 323                 Iterator<MatchType> iterMatch = matchList.iterator();
 324                 while (iterMatch.hasNext()) {
 325                         MatchType match = iterMatch.next();
 326                         //
 327                         // Under the match we have attribute value and
 328                         // attributeDesignator. So,finally down to the actual attribute.
 329                         //
 330                         AttributeValueType attributeValue = match.getAttributeValue();
 331                         String value = (String) attributeValue.getContent().get(0);
 332                         AttributeDesignatorType designator = match.getAttributeDesignator();
 333                         String attributeId = designator.getAttributeId();
 334
 335                         if ("RiskType".equals(attributeId)){
 336                                 policyAdapter.setRiskType(value);
 337                         }
 338                         if ("RiskLevel".equals(attributeId)){
 339                                 policyAdapter.setRiskLevel(value);
 340                         }
 341                         if ("guard".equals(attributeId)){
 342                                 policyAdapter.setGuard(value);
 343                         }
 344                         if ("TTLDate".equals(attributeId) && !value.contains("NA")){
 345                                 String newDate = convertDate(value, true);
 346                                 policyAdapter.setTtlDate(newDate);
 347                         }
 348                 }
 349         }
 350
 351         private String convertDate(String dateTTL, boolean portalType) {
 352                 String formateDate = null;
 353                 String[] date;
 354                 String[] parts;
 355
 356                 if (portalType){
 357                         parts = dateTTL.split("-");
 358                         formateDate = parts[2] + "-" + parts[1] + "-" + parts[0] + "T05:00:00.000Z";
 359                 } else {
 360                         date  = dateTTL.split("T");
 361                         parts = date[0].split("-");
 362                         formateDate = parts[2] + "-" + parts[1] + "-" + parts[0];
 363                 }
 364                 return formateDate;
 365         }
 366         // This method generates the UI from rule configuration
 367         public void paramUIGenerate(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
 368                 String data = entity.getConfigurationData().getConfigBody();
 369                 if(data != null){
 370                         File file = new File(PolicyController.getConfigHome() +File.separator+ entity.getConfigurationData().getConfigurationName());
 371                         if(file.exists()){
 372                                 try (BufferedReader br = new BufferedReader(new FileReader(file))) {
 373                                         StringBuilder sb = new StringBuilder();
 374                                         String line = br.readLine();
 375                                         while (line != null) {
 376                                                 sb.append(line);
 377                                                 sb.append("\n");
 378                                                 line = br.readLine();
 379                                         }
 380                                 }catch(Exception e){
 381                                         policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+ e.getMessage() + e);
 382                                 }
 383                         }
 384                         try {
 385                                 StringBuilder params = new StringBuilder("");
 386                                 Boolean flag = false;
 387                                 Boolean comment = false;
 388                                 for (String line : Files.readAllLines(Paths.get(file.toString()))) {
 389                                         if (line.isEmpty() || line.startsWith("//")) {
 390                                                 continue;
 391                                         }
 392                                         if(line.contains(brmsTemplateVlaue)){
 393                                                 String value = line.substring(line.indexOf("<$%"),line.indexOf("%$>"));
 394                                                 value = value.replace(brmsTemplateVlaue, "");
 395                                                 policyAdapter.setRuleName(value);
 396                                         }
 397                                         if (line.startsWith("/*")) {
 398                                                 comment = true;
 399                                                 continue;
 400                                         }
 401                                         if ((line.contains("//"))&&(!(line.contains("http://") || line.contains("https://")))){
 402                                                 line = line.split("\\/\\/")[0];
 403                                         }
 404                                         if (line.contains("/*")) {
 405                                                 comment = true;
 406                                                 if (line.contains("*/")) {
 407                                                         try {
 408                                                                 comment = false;
 409                                                                 line = line.split("\\/\\*")[0]
 410                                                                                 + line.split("\\*\\/")[1].replace(
 411                                                                                                 "*/", "");
 412                                                         } catch (Exception e) {
 413                                                                 policyLogger.info("Just for Logging"+e);
 414                                                                 line = line.split("\\/\\*")[0];
 415                                                         }
 416                                                 } else {
 417                                                         line = line.split("\\/\\*")[0];
 418                                                 }
 419                                         }
 420                                         if (line.contains("*/")) {
 421                                                 comment = false;
 422                                                 try {
 423                                                         line = line.split("\\*\\/")[1]
 424                                                                         .replace("*/", "");
 425                                                 } catch (Exception e) {
 426                                                         policyLogger.info("Just for Logging"+e);
 427                                                         line = "";
 428                                                 }
 429                                         }
 430                                         if (comment) {
 431                                                 continue;
 432                                         }
 433                                         if (flag) {
 434                                                 params.append(line);
 435                                         }
 436                                         if (line.contains("rule") && line.contains(".Params\"")) {
 437                                                 params.append(line);
 438                                                 flag = true;
 439                                         }
 440                                         if (line.contains("end") && flag) {
 441                                                 break;
 442                                         }
 443                                 }
 444                                 params = new StringBuilder(params.substring(params.indexOf(".Params\"")+ 8));
 445                                 params = new StringBuilder(params.toString().replaceAll("\\s+", "").replace("salience1000whenthenParamsparams=newParams();","")
 446                         .replace("insert(params);end", "")
 447                         .replace("params.set", ""));
 448                                 String[] components = params.toString().split("\\);");
 449                                 if(components!= null && components.length > 0){
 450                                         for (int i = 0; i < components.length; i++) {
 451                                                 String value = null;
 452                                                 components[i] = components[i]+")";
 453                                                 String caption = components[i].substring(0,
 454                                                                 components[i].indexOf('('));
 455                                                 caption = caption.substring(0, 1).toLowerCase() + caption.substring(1);
 456                                                 if (components[i].contains("(\"")) {
 457                                                         value = components[i]
 458                                                                         .substring(components[i].indexOf("(\""),
 459                                                                                         components[i].indexOf("\")"))
 460                                                                         .replace("(\"", "").replace("\")", "");
 461                                                 } else {
 462                                                         value = components[i]
 463                                                                         .substring(components[i].indexOf('('),
 464                                                                                         components[i].indexOf(')'))
 465                                                                         .replace("(", "").replace(")", "");
 466                                                 }
 467                                                 dynamicLayoutMap.put(caption, value);
 468
 469                                         }
 470                                 }
 471                         } catch (Exception e) {
 472                                 policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE + e.getMessage() + e);
 473                         }
 474                 }
 475
 476         }
 477
 478         // set View Rule
 479         @SuppressWarnings("unchecked")
 480         @RequestMapping(value={"/policyController/ViewBRMSParamPolicyRule.htm"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
 481         public void setViewRule(HttpServletRequest request, HttpServletResponse response){
 482                 try {
 483                         ObjectMapper mapper = new ObjectMapper();
 484                         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 485                         JsonNode root = mapper.readTree(request.getReader());
 486                         PolicyRestAdapter policyData = mapper.readValue(root.get(PolicyController.getPolicydata()).get("policy").toString(), PolicyRestAdapter.class);
 487                         policyData.setDomainDir(root.get(PolicyController.getPolicydata()).get("model").get("name").toString().replace("\"", ""));
 488                         if(root.get(PolicyController.getPolicydata()).get("model").get("type").toString().replace("\"", "").equals(PolicyController.getFile())){
 489                                 policyData.setEditPolicy(true);
 490                         }
 491
 492                         String body = "";
 493
 494                         body = "/* Autogenerated Code Please Don't change/remove this comment section. This is for the UI purpose. \n\t " +
 495                                         brmsTemplateVlaue + policyData.getRuleName() + "%$> \n */ \n";
 496                         body = body + findRule((String) policyData.getRuleName()) + "\n";
 497                         StringBuilder generatedRule = new StringBuilder();
 498                         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();");
 499
 500                         if(policyData.getRuleData().size() > 0){
 501                                 for(Object keyValue: policyData.getRuleData().keySet()){
 502                                         String key = keyValue.toString().substring(0, 1).toUpperCase() + keyValue.toString().substring(1);
 503                                         if (string.equals(keyValue)) {
 504                                                 generatedRule.append("\n\t\tparams.set"
 505                                                                 + key + "(\""
 506                                                                 + policyData.getRuleData().get(keyValue).toString() + "\");");
 507                                         } else {
 508                                                 generatedRule.append("\n\t\tparams.set"
 509                                                                 + key + "("
 510                                                                 + policyData.getRuleData().get(keyValue).toString() + ");");
 511                                         }
 512                                 }
 513                         }
 514                         generatedRule.append("\n\t\tinsert(params);\nend");
 515                         policyLogger.info("New rule generated with :" + generatedRule.toString());
 516                         body = body + generatedRule.toString();
 517                         // Expand the body.
 518                         Map<String,String> copyMap=new HashMap<>();
 519                         copyMap.putAll((Map<? extends String, ? extends String>) policyData.getRuleData());
 520                         copyMap.put("policyName", policyData.getDomainDir().replace("\\", ".") +".Config_BRMS_Param_" + policyData.getPolicyName());
 521                         copyMap.put("policyScope", policyData.getDomainDir().replace("\\", "."));
 522                         copyMap.put("policyVersion", "1");
 523                         //Finding all the keys in the Map data-structure.
 524                         Set<String> keySet= copyMap.keySet();
 525                         Iterator<String> iterator = keySet.iterator();
 526                         Pattern p;
 527                         Matcher m;
 528                         while(iterator.hasNext()) {
 529                                 //Converting the first character of the key into a lower case.
 530                                 String input= iterator.next();
 531                                 String output  = Character.toLowerCase(input.charAt(0)) +
 532                                                 (input.length() > 1 ? input.substring(1) : "");
 533                                 //Searching for a pattern in the String using the key.
 534                                 p=Pattern.compile("\\$\\{"+output+"\\}");
 535                                 m=p.matcher(body);
 536                                 //Replacing the value with the inputs provided by the user in the editor.
 537                                 body=m.replaceAll(copyMap.get(input));
 538                         }
 539                         response.setCharacterEncoding("UTF-8");
 540                         response.setContentType("application / json");
 541                         request.setCharacterEncoding("UTF-8");
 542
 543                         PrintWriter out = response.getWriter();
 544                         String responseString = mapper.writeValueAsString(body);
 545                         JSONObject j = new JSONObject("{policyData: " + responseString + "}");
 546                         out.write(j.toString());
 547                 } catch (Exception e) {
 548                         policyLogger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + e);
 549                 }
 550         }
 551 }