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.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.openecomp.policy.common.logging.flexlogger.FlexLogger;
  46 import org.openecomp.policy.common.logging.flexlogger.Logger;
  47 import org.openecomp.policy.rest.adapter.PolicyRestAdapter;
  48 import org.openecomp.policy.rest.dao.CommonClassDao;
  49 import org.openecomp.policy.rest.jpa.BRMSParamTemplate;
  50 import org.openecomp.policy.rest.jpa.PolicyEntity;
  51 import org.openecomp.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 import org.springframework.web.servlet.ModelAndView;
  57
  58 import com.fasterxml.jackson.databind.DeserializationFeature;
  59 import com.fasterxml.jackson.databind.JsonNode;
  60 import com.fasterxml.jackson.databind.ObjectMapper;
  61
  62 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AdviceExpressionType;
  63 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AdviceExpressionsType;
  64 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AllOfType;
  65 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AnyOfType;
  66 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeAssignmentExpressionType;
  67 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeDesignatorType;
  68 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeValueType;
  69 import oasis.names.tc.xacml._3_0.core.schema.wd_17.MatchType;
  70 import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
  71 import oasis.names.tc.xacml._3_0.core.schema.wd_17.RuleType;
  72 import oasis.names.tc.xacml._3_0.core.schema.wd_17.TargetType;
  73
  74 @Controller
  75 @RequestMapping("/")
  76 public class CreateBRMSParamController extends RestrictedBaseController {
  77         private static final Logger policyLogger = FlexLogger.getLogger(CreateBRMSParamController.class);
  78
  79         private static CommonClassDao commonClassDao;
  80
  81         public static CommonClassDao getCommonClassDao() {
  82                 return commonClassDao;
  83         }
  84
  85         public static void setCommonClassDao(CommonClassDao commonClassDao) {
  86                 CreateBRMSParamController.commonClassDao = commonClassDao;
  87         }
  88
  89         @Autowired
  90         private CreateBRMSParamController(CommonClassDao commonClassDao){
  91                 CreateBRMSParamController.commonClassDao = commonClassDao;
  92         }
  93
  94         public CreateBRMSParamController(){}
  95         protected PolicyRestAdapter policyAdapter = null;
  96
  97         private HashMap<String, String> dynamicLayoutMap;
  98
  99         private static String brmsTemplateVlaue = "<$%BRMSParamTemplate=";
 100         private static String string = "String";
 101
 102
 103         @RequestMapping(value={"/policyController/getBRMSTemplateData.htm"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
 104         public void getBRMSParamPolicyRuleData(HttpServletRequest request, HttpServletResponse response){
 105                 try{
 106                         dynamicLayoutMap = new HashMap<>();
 107                         ObjectMapper mapper = new ObjectMapper();
 108                         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 109                         JsonNode root = mapper.readTree(request.getReader());
 110                         String rule = findRule(root.get(PolicyController.getPolicydata()).toString().replaceAll("^\"|\"$", ""));
 111                         generateUI(rule);
 112                         response.setCharacterEncoding(PolicyController.getCharacterencoding());
 113                         response.setContentType(PolicyController.getContenttype());
 114                         request.setCharacterEncoding(PolicyController.getCharacterencoding());
 115
 116                         PrintWriter out = response.getWriter();
 117                         String responseString = mapper.writeValueAsString(dynamicLayoutMap);
 118                         JSONObject j = new JSONObject("{policyData: " + responseString + "}");
 119                         out.write(j.toString());
 120                 }catch(Exception e){
 121                         policyLogger.error("Exception Occured while getting BRMS Rule data" , e);
 122                 }
 123         }
 124
 125         protected String findRule(String ruleTemplate) {
 126                 List<Object> datas = commonClassDao.getDataById(BRMSParamTemplate.class, "ruleName", ruleTemplate);
 127                 if(datas != null && !datas.isEmpty()){
 128                         BRMSParamTemplate  bRMSParamTemplate = (BRMSParamTemplate) datas.get(0);
 129                         return bRMSParamTemplate.getRule();
 130                 }
 131                 return null;
 132         }
 133
 134         protected void generateUI(String rule) {
 135                 if(rule!=null){
 136                         try {
 137                                 StringBuilder params = new StringBuilder("");
 138                                 Boolean flag = false;
 139                                 Boolean comment = false;
 140                                 String lines[] = rule.split("\n");
 141                                 for(String line : lines){
 142                                         if (line.isEmpty() || line.startsWith("//")) {
 143                                                 continue;
 144                                         }
 145                                         if (line.startsWith("/*")) {
 146                                                 comment = true;
 147                                                 continue;
 148                                         }
 149                                         if (line.contains("//")) {
 150                                                 line = line.split("\\/\\/")[0];
 151                                         }
 152                                         if (line.contains("/*")) {
 153                                                 comment = true;
 154                                                 if (line.contains("*/")) {
 155                                                         try {
 156                                                                 comment = false;
 157                                                                 line = line.split("\\/\\*")[0]
 158                                                                                 + line.split("\\*\\/")[1].replace("*/", "");
 159                                                         } catch (Exception e) {
 160                                                                 policyLogger.info("Just for Logging"+e);
 161                                                                 line = line.split("\\/\\*")[0];
 162                                                         }
 163                                                 } else {
 164                                                         line = line.split("\\/\\*")[0];
 165                                                 }
 166                                         }
 167                                         if (line.contains("*/")) {
 168                                                 comment = false;
 169                                                 try {
 170                                                         line = line.split("\\*\\/")[1].replace("*/", "");
 171                                                 } catch (Exception e) {
 172                                                         policyLogger.info("Just for Logging"+e);
 173                                                         line = "";
 174                                                 }
 175                                         }
 176                                         if (comment) {
 177                                                 continue;
 178                                         }
 179                                         if (flag) {
 180                                                 params.append(line);
 181                                         }
 182                                         if (line.contains("declare Params")) {
 183                                                 params.append(line);
 184                                                 flag = true;
 185                                         }
 186                                         if (line.contains("end") && flag) {
 187                                                 break;
 188                                         }
 189                                 }
 190                                 params = new StringBuilder(params.toString().replace("declare Params", "").replace("end", "").replaceAll("\\s+", ""));
 191                                 String[] components = params.toString().split(":");
 192                                 String caption = "";
 193                                 for (int i = 0; i < components.length; i++) {
 194                                         String type = "";
 195                                         if (i == 0) {
 196                                                 caption = components[i];
 197                                         }
 198                                         if("".equals(caption)){
 199                                                 break;
 200                                         }
 201                                         String nextComponent = "";
 202                                         try {
 203                                                 nextComponent = components[i + 1];
 204                                         } catch (Exception e) {
 205                                                 policyLogger.info("Just for Logging"+e);
 206                                                 nextComponent = components[i];
 207                                         }
 208                                         if (nextComponent.startsWith(string)) {
 209                                                 type = "String";
 210                                                 createField(caption, type);
 211                                                 caption = nextComponent.replace(string, "");
 212                                         } else if (nextComponent.startsWith("int")) {
 213                                                 type = "int";
 214                                                 createField(caption, type);
 215                                                 caption = nextComponent.replace("int", "");
 216                                         }
 217                                 }
 218                         } catch (Exception e) {
 219                                 policyLogger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
 220                         }
 221                 }
 222         }
 223
 224         private void createField(String caption, String type) {
 225                 dynamicLayoutMap.put(caption, type);
 226         }
 227
 228         /*
 229          * When the User Click Edit or View Policy the following method will get invoked for setting the data to PolicyRestAdapter.
 230          * Which is used to bind the data in GUI
 231          */
 232         public void prePopulateBRMSParamPolicyData(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
 233                 dynamicLayoutMap = new HashMap<>();
 234                 if (policyAdapter.getPolicyData() instanceof PolicyType) {
 235                         PolicyType policy = (PolicyType) policyAdapter.getPolicyData();
 236                         policyAdapter.setOldPolicyFileName(policyAdapter.getPolicyName());
 237                         // policy name value is the policy name without any prefix and
 238                         // Extensions.
 239                         String policyNameValue = policyAdapter.getPolicyName().substring(policyAdapter.getPolicyName().indexOf("BRMS_Param_") + 11);
 240                         if (policyLogger.isDebugEnabled()) {
 241                                 policyLogger.debug("Prepopulating form data for BRMS RAW Policy selected:" + policyAdapter.getPolicyName());
 242                         }
 243                         policyAdapter.setPolicyName(policyNameValue);
 244                         String description = "";
 245                         try{
 246                                 description = policy.getDescription().substring(0, policy.getDescription().indexOf("@CreatedBy:"));
 247                         }catch(Exception e){
 248                                 policyLogger.info("Just for Logging"+e);
 249                                 description = policy.getDescription();
 250                         }
 251                         policyAdapter.setPolicyDescription(description);
 252                         setDataAdapterFromAdviceExpressions(policy, policyAdapter);
 253                         paramUIGenerate(policyAdapter, entity);
 254                         // Get the target data under policy.
 255                         policyAdapter.setDynamicLayoutMap(dynamicLayoutMap);
 256                         if(policyAdapter.getDynamicLayoutMap().size() > 0){
 257                                 LinkedHashMap<String,String> drlRule = new LinkedHashMap<>();
 258                                 for(Object keyValue: policyAdapter.getDynamicLayoutMap().keySet()){
 259                                         drlRule.put(keyValue.toString(), policyAdapter.getDynamicLayoutMap().get(keyValue));
 260                                 }
 261                                 policyAdapter.setRuleData(drlRule);
 262                         }
 263                         TargetType target = policy.getTarget();
 264                         if (target != null) {
 265                                 setDataToAdapterFromTarget(target, policyAdapter);
 266                         }
 267                 }
 268         }
 269
 270         private void setDataAdapterFromAdviceExpressions(PolicyType policy, PolicyRestAdapter policyAdapter){
 271                 ArrayList<Object> attributeList = new ArrayList<>();
 272                 // Set Attributes.
 273                 AdviceExpressionsType expressionTypes = ((RuleType)policy.getCombinerParametersOrRuleCombinerParametersOrVariableDefinition().get(0)).getAdviceExpressions();
 274                 for( AdviceExpressionType adviceExpression: expressionTypes.getAdviceExpression()){
 275                         for(AttributeAssignmentExpressionType attributeAssignment: adviceExpression.getAttributeAssignmentExpression()){
 276                                 if(attributeAssignment.getAttributeId().startsWith("key:")){
 277                                         Map<String, String> attribute = new HashMap<>();
 278                                         String key = attributeAssignment.getAttributeId().replace("key:", "");
 279                                         attribute.put("key", key);
 280                                         @SuppressWarnings("unchecked")
 281                                         JAXBElement<AttributeValueType> attributevalue = (JAXBElement<AttributeValueType>) attributeAssignment.getExpression();
 282                                         String value = (String) attributevalue.getValue().getContent().get(0);
 283                                         attribute.put("value", value);
 284                                         attributeList.add(attribute);
 285                                 }else if(attributeAssignment.getAttributeId().startsWith("dependencies:")){
 286                                         ArrayList<String> dependencies = new ArrayList<>(Arrays.asList(attributeAssignment.getAttributeId().replace("dependencies:", "").split(",")));
 287                                         if(dependencies.contains("")){
 288                                                 dependencies.remove("");
 289                                         }
 290                                         policyAdapter.setBrmsDependency(dependencies);
 291                                 }else if(attributeAssignment.getAttributeId().startsWith("controller:")){
 292                                         policyAdapter.setBrmsController(attributeAssignment.getAttributeId().replace("controller:", ""));
 293                                 }
 294                         }
 295                         policyAdapter.setAttributes(attributeList);
 296                 }
 297         }
 298
 299         private void setDataToAdapterFromTarget(TargetType target, PolicyRestAdapter policyAdapter){
 300                 // Under target we have AnyOFType
 301                 List<AnyOfType> anyOfList = target.getAnyOf();
 302                 if (anyOfList != null) {
 303                         Iterator<AnyOfType> iterAnyOf = anyOfList.iterator();
 304                         while (iterAnyOf.hasNext()) {
 305                                 AnyOfType anyOf = iterAnyOf.next();
 306                                 // Under AnyOFType we have AllOFType
 307                                 List<AllOfType> allOfList = anyOf.getAllOf();
 308                                 if (allOfList != null) {
 309                                         Iterator<AllOfType> iterAllOf = allOfList.iterator();
 310                                         while (iterAllOf.hasNext()) {
 311                                                 AllOfType allOf = iterAllOf.next();
 312                                                 // Under AllOFType we have Match
 313                                                 List<MatchType> matchList = allOf.getMatch();
 314                                                 if (matchList != null) {
 315                                                         setDataToAdapterFromMatchList(matchList, policyAdapter);
 316                                                 }
 317                                         }
 318                                 }
 319                         }
 320                 }
 321         }
 322
 323         private void setDataToAdapterFromMatchList(List<MatchType> matchList, PolicyRestAdapter policyAdapter){
 324                 Iterator<MatchType> iterMatch = matchList.iterator();
 325                 while (iterMatch.hasNext()) {
 326                         MatchType match = iterMatch.next();
 327                         //
 328                         // Under the match we have attribute value and
 329                         // attributeDesignator. So,finally down to the actual attribute.
 330                         //
 331                         AttributeValueType attributeValue = match.getAttributeValue();
 332                         String value = (String) attributeValue.getContent().get(0);
 333                         AttributeDesignatorType designator = match.getAttributeDesignator();
 334                         String attributeId = designator.getAttributeId();
 335
 336                         if ("RiskType".equals(attributeId)){
 337                                 policyAdapter.setRiskType(value);
 338                         }
 339                         if ("RiskLevel".equals(attributeId)){
 340                                 policyAdapter.setRiskLevel(value);
 341                         }
 342                         if ("guard".equals(attributeId)){
 343                                 policyAdapter.setGuard(value);
 344                         }
 345                         if ("TTLDate".equals(attributeId) && !value.contains("NA")){
 346                                 String newDate = convertDate(value, true);
 347                                 policyAdapter.setTtlDate(newDate);
 348                         }
 349                 }
 350         }
 351
 352         private String convertDate(String dateTTL, boolean portalType) {
 353                 String formateDate = null;
 354                 String[] date;
 355                 String[] parts;
 356
 357                 if (portalType){
 358                         parts = dateTTL.split("-");
 359                         formateDate = parts[2] + "-" + parts[1] + "-" + parts[0] + "T05:00:00.000Z";
 360                 } else {
 361                         date  = dateTTL.split("T");
 362                         parts = date[0].split("-");
 363                         formateDate = parts[2] + "-" + parts[1] + "-" + parts[0];
 364                 }
 365                 return formateDate;
 366         }
 367         // This method generates the UI from rule configuration
 368         public void paramUIGenerate(PolicyRestAdapter policyAdapter, PolicyEntity entity) {
 369                 String data = entity.getConfigurationData().getConfigBody();
 370                 if(data != null){
 371                         File file = new File(PolicyController.getConfigHome() +File.separator+ entity.getConfigurationData().getConfigurationName());
 372                         if(file.exists()){
 373                                 try (BufferedReader br = new BufferedReader(new FileReader(file))) {
 374                                         StringBuilder sb = new StringBuilder();
 375                                         String line = br.readLine();
 376                                         while (line != null) {
 377                                                 sb.append(line);
 378                                                 sb.append("\n");
 379                                                 line = br.readLine();
 380                                         }
 381                                 }catch(Exception e){
 382                                         policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE+ e.getMessage() + e);
 383                                 }
 384                         }
 385                         try {
 386                                 StringBuilder params = new StringBuilder("");
 387                                 Boolean flag = false;
 388                                 Boolean comment = false;
 389                                 for (String line : Files.readAllLines(Paths.get(file.toString()))) {
 390                                         if (line.isEmpty() || line.startsWith("//")) {
 391                                                 continue;
 392                                         }
 393                                         if(line.contains(brmsTemplateVlaue)){
 394                                                 String value = line.substring(line.indexOf("<$%"),line.indexOf("%$>"));
 395                                                 value = value.replace(brmsTemplateVlaue, "");
 396                                                 policyAdapter.setRuleName(value);
 397                                         }
 398                                         if (line.startsWith("/*")) {
 399                                                 comment = true;
 400                                                 continue;
 401                                         }
 402                                         if ((line.contains("//"))&&(!(line.contains("http://") || line.contains("https://")))){
 403                                                 line = line.split("\\/\\/")[0];
 404                                         }
 405                                         if (line.contains("/*")) {
 406                                                 comment = true;
 407                                                 if (line.contains("*/")) {
 408                                                         try {
 409                                                                 comment = false;
 410                                                                 line = line.split("\\/\\*")[0]
 411                                                                                 + line.split("\\*\\/")[1].replace(
 412                                                                                                 "*/", "");
 413                                                         } catch (Exception e) {
 414                                                                 policyLogger.info("Just for Logging"+e);
 415                                                                 line = line.split("\\/\\*")[0];
 416                                                         }
 417                                                 } else {
 418                                                         line = line.split("\\/\\*")[0];
 419                                                 }
 420                                         }
 421                                         if (line.contains("*/")) {
 422                                                 comment = false;
 423                                                 try {
 424                                                         line = line.split("\\*\\/")[1]
 425                                                                         .replace("*/", "");
 426                                                 } catch (Exception e) {
 427                                                         policyLogger.info("Just for Logging"+e);
 428                                                         line = "";
 429                                                 }
 430                                         }
 431                                         if (comment) {
 432                                                 continue;
 433                                         }
 434                                         if (flag) {
 435                                                 params.append(line);
 436                                         }
 437                                         if (line.contains("rule") && line.contains(".Params\"")) {
 438                                                 params.append(line);
 439                                                 flag = true;
 440                                         }
 441                                         if (line.contains("end") && flag) {
 442                                                 break;
 443                                         }
 444                                 }
 445                                 params = new StringBuilder(params.substring(params.indexOf(".Params\"")+ 8));
 446                                 params = new StringBuilder(params.toString().replaceAll("\\s+", "").replace("salience1000whenthenParamsparams=newParams();","")
 447                         .replace("insert(params);end", "")
 448                         .replace("params.set", ""));
 449                                 String[] components = params.toString().split("\\);");
 450                                 if(components!= null && components.length > 0){
 451                                         for (int i = 0; i < components.length; i++) {
 452                                                 String value = null;
 453                                                 components[i] = components[i]+")";
 454                                                 String caption = components[i].substring(0,
 455                                                                 components[i].indexOf('('));
 456                                                 caption = caption.substring(0, 1).toLowerCase() + caption.substring(1);
 457                                                 if (components[i].contains("(\"")) {
 458                                                         value = components[i]
 459                                                                         .substring(components[i].indexOf("(\""),
 460                                                                                         components[i].indexOf("\")"))
 461                                                                         .replace("(\"", "").replace("\")", "");
 462                                                 } else {
 463                                                         value = components[i]
 464                                                                         .substring(components[i].indexOf('('),
 465                                                                                         components[i].indexOf(')'))
 466                                                                         .replace("(", "").replace(")", "");
 467                                                 }
 468                                                 dynamicLayoutMap.put(caption, value);
 469
 470                                         }
 471                                 }
 472                         } catch (Exception e) {
 473                                 policyLogger.error(XACMLErrorConstants.ERROR_DATA_ISSUE + e.getMessage() + e);
 474                         }
 475                 }
 476
 477         }
 478
 479         // set View Rule
 480         @SuppressWarnings("unchecked")
 481         @RequestMapping(value={"/policyController/ViewBRMSParamPolicyRule.htm"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
 482         public void setViewRule(HttpServletRequest request, HttpServletResponse response){
 483                 try {
 484                         ObjectMapper mapper = new ObjectMapper();
 485                         mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 486                         JsonNode root = mapper.readTree(request.getReader());
 487                         PolicyRestAdapter policyData = mapper.readValue(root.get(PolicyController.getPolicydata()).get("policy").toString(), PolicyRestAdapter.class);
 488                         policyData.setDomainDir(root.get(PolicyController.getPolicydata()).get("model").get("name").toString().replace("\"", ""));
 489                         if(root.get(PolicyController.getPolicydata()).get("model").get("type").toString().replace("\"", "").equals(PolicyController.getFile())){
 490                                 policyData.setEditPolicy(true);
 491                         }
 492
 493                         String body = "";
 494
 495                         body = "/* Autogenerated Code Please Don't change/remove this comment section. This is for the UI purpose. \n\t " +
 496                                         brmsTemplateVlaue + policyData.getRuleName() + "%$> \n */ \n";
 497                         body = body + findRule((String) policyData.getRuleName()) + "\n";
 498                         StringBuilder generatedRule = new StringBuilder();
 499                         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();");
 500
 501                         if(policyData.getRuleData().size() > 0){
 502                                 for(Object keyValue: policyData.getRuleData().keySet()){
 503                                         String key = keyValue.toString().substring(0, 1).toUpperCase() + keyValue.toString().substring(1);
 504                                         if (string.equals(keyValue)) {
 505                                                 generatedRule.append("\n\t\tparams.set"
 506                                                                 + key + "(\""
 507                                                                 + policyData.getRuleData().get(keyValue).toString() + "\");");
 508                                         } else {
 509                                                 generatedRule.append("\n\t\tparams.set"
 510                                                                 + key + "("
 511                                                                 + policyData.getRuleData().get(keyValue).toString() + ");");
 512                                         }
 513                                 }
 514                         }
 515                         generatedRule.append("\n\t\tinsert(params);\nend");
 516                         policyLogger.info("New rule generated with :" + generatedRule.toString());
 517                         body = body + generatedRule.toString();
 518                         // Expand the body.
 519                         Map<String,String> copyMap=new HashMap<>();
 520                         copyMap.putAll((Map<? extends String, ? extends String>) policyData.getRuleData());
 521                         copyMap.put("policyName", policyData.getDomainDir().replace("\\", ".") +".Config_BRMS_Param_" + policyData.getPolicyName());
 522                         copyMap.put("policyScope", policyData.getDomainDir().replace("\\", "."));
 523                         copyMap.put("policyVersion", "1");
 524                         //Finding all the keys in the Map data-structure.
 525                         Set<String> keySet= copyMap.keySet();
 526                         Iterator<String> iterator = keySet.iterator();
 527                         Pattern p;
 528                         Matcher m;
 529                         while(iterator.hasNext()) {
 530                                 //Converting the first character of the key into a lower case.
 531                                 String input= iterator.next();
 532                                 String output  = Character.toLowerCase(input.charAt(0)) +
 533                                                 (input.length() > 1 ? input.substring(1) : "");
 534                                 //Searching for a pattern in the String using the key.
 535                                 p=Pattern.compile("\\$\\{"+output+"\\}");
 536                                 m=p.matcher(body);
 537                                 //Replacing the value with the inputs provided by the user in the editor.
 538                                 body=m.replaceAll(copyMap.get(input));
 539                         }
 540                         response.setCharacterEncoding("UTF-8");
 541                         response.setContentType("application / json");
 542                         request.setCharacterEncoding("UTF-8");
 543
 544                         PrintWriter out = response.getWriter();
 545                         String responseString = mapper.writeValueAsString(body);
 546                         JSONObject j = new JSONObject("{policyData: " + responseString + "}");
 547                         out.write(j.toString());
 548                 } catch (Exception e) {
 549                         policyLogger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + e);
 550                 }
 551         }
 552 }