ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/ActionPolicy.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP-PAP-REST
   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.pap.xacml.rest.components;
  22
  23 import java.io.BufferedWriter;
  24 import java.io.File;
  25 import java.io.FileWriter;
  26 import java.io.IOException;
  27 import java.nio.file.Path;
  28 import java.nio.file.Paths;
  29 import java.util.HashMap;
  30 import java.util.LinkedList;
  31 import java.util.List;
  32 import java.util.Map;
  33
  34 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AllOfType;
  35 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AnyOfType;
  36 import oasis.names.tc.xacml._3_0.core.schema.wd_17.ApplyType;
  37 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeAssignmentExpressionType;
  38 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeDesignatorType;
  39 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeValueType;
  40 import oasis.names.tc.xacml._3_0.core.schema.wd_17.ConditionType;
  41 import oasis.names.tc.xacml._3_0.core.schema.wd_17.EffectType;
  42 import oasis.names.tc.xacml._3_0.core.schema.wd_17.MatchType;
  43 import oasis.names.tc.xacml._3_0.core.schema.wd_17.ObjectFactory;
  44 import oasis.names.tc.xacml._3_0.core.schema.wd_17.ObligationExpressionType;
  45 import oasis.names.tc.xacml._3_0.core.schema.wd_17.ObligationExpressionsType;
  46 import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
  47 import oasis.names.tc.xacml._3_0.core.schema.wd_17.RuleType;
  48 import oasis.names.tc.xacml._3_0.core.schema.wd_17.TargetType;
  49
  50 import org.onap.policy.pap.xacml.rest.XACMLPapServlet;
  51 import org.onap.policy.pap.xacml.rest.util.JPAUtils;
  52 import org.onap.policy.rest.adapter.PolicyRestAdapter;
  53 import org.onap.policy.rest.jpa.Datatype;
  54 import org.onap.policy.rest.jpa.FunctionDefinition;
  55 import org.onap.policy.xacml.api.XACMLErrorConstants;
  56
  57 import com.att.research.xacml.api.pap.PAPException;
  58
  59 import org.onap.policy.common.logging.eelf.MessageCodes;
  60 import org.onap.policy.common.logging.eelf.PolicyLogger;
  61 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  62 import org.onap.policy.common.logging.flexlogger.Logger;
  63
  64 public class ActionPolicy extends Policy {
  65
  66         /**
  67          * ActionPolicy Fields
  68          */
  69         private static final Logger LOGGER = FlexLogger.getLogger(ActionPolicy.class);
  70
  71         public static final String JSON_CONFIG = "JSON";
  72
  73         public static final String PDP_ACTION = "PDP";
  74         public static final String PEP_ACTION = "PEP";
  75         public static final String TYPE_ACTION = "REST";
  76
  77         public static final String GET_METHOD = "GET";
  78         public static final String PUT_METHOD = "PUT";
  79         public static final String POST_METHOD = "POST";
  80
  81         public static final String PERFORMER_ATTRIBUTEID = "performer";
  82         public static final String TYPE_ATTRIBUTEID = "type";
  83         public static final String METHOD_ATTRIBUTEID = "method";
  84         public static final String HEADERS_ATTRIBUTEID = "headers";
  85         public static final String URL_ATTRIBUTEID = "url";
  86         public static final String BODY_ATTRIBUTEID = "body";
  87
  88         List<String> dynamicLabelRuleAlgorithms = new LinkedList<>();
  89         List<String> dynamicFieldFunctionRuleAlgorithms = new LinkedList<>();
  90         List<String> dynamicFieldOneRuleAlgorithms = new LinkedList<>();
  91         List<String> dynamicFieldTwoRuleAlgorithms = new LinkedList<>();
  92
  93         protected Map<String, String> dropDownMap = new HashMap<>();
  94
  95         private static boolean isAttribute = false;
  96         private synchronized static boolean getAttribute () {
  97                 return isAttribute;
  98
  99         }
 100
 101         public ActionPolicy() {
 102                 super();
 103         }
 104
 105         public ActionPolicy(PolicyRestAdapter policyAdapter){
 106                 this.policyAdapter = policyAdapter;
 107         }
 108
 109         @Override
 110         public Map<String, String> savePolicies() throws PAPException {
 111
 112                 Map<String, String> successMap = new HashMap<>();
 113                 if(isPolicyExists()){
 114                         successMap.put("EXISTS", "This Policy already exist on the PAP");
 115                         return successMap;
 116                 }
 117
 118                 if(!ActionPolicy.getAttribute()) {
 119                         successMap.put("invalidAttribute", "Action Attrbute was not in the database.");
 120                         return successMap;
 121                 }
 122
 123                 if(!isPreparedToSave()){
 124                         //Prep and configure the policy for saving
 125                         prepareToSave();
 126                 }
 127
 128                 // Until here we prepared the data and here calling the method to create xml.
 129                 Path newPolicyPath = null;
 130                 newPolicyPath = Paths.get(policyAdapter.getNewFileName());
 131                 successMap = createPolicy(newPolicyPath,getCorrectPolicyDataObject() );
 132                 return successMap;
 133         }
 134
 135         //This is the method for preparing the policy for saving.  We have broken it out
 136         //separately because the fully configured policy is used for multiple things
 137         @Override
 138         public boolean prepareToSave() throws PAPException{
 139
 140                 if(isPreparedToSave()){
 141                         //we have already done this
 142                         return true;
 143                 }
 144
 145                 int version = 0;
 146                 String policyID = policyAdapter.getPolicyID();
 147                 version = policyAdapter.getHighestVersion();
 148
 149                 // Create the Instance for pojo, PolicyType object is used in marshalling.
 150                 if (policyAdapter.getPolicyType().equals("Action")) {
 151                         PolicyType policyConfig = new PolicyType();
 152
 153                         policyConfig.setVersion(Integer.toString(version));
 154                         policyConfig.setPolicyId(policyID);
 155                         policyConfig.setTarget(new TargetType());
 156                         policyAdapter.setData(policyConfig);
 157                 }
 158
 159                 policyName = policyAdapter.getNewFileName();
 160
 161                 if (policyAdapter.getData() != null) {
 162                         // Action body is optional so checking value provided or not
 163                         String comboDictValue = policyAdapter.getActionAttribute();
 164                 String actionBody = policyAdapter.getActionBody();
 165                 isAttribute = false;
 166
 167                 //if actionBody is null or empty then we know the ActionAttribute in the request does not exist in the dictionary
 168                         if(!(actionBody==null || "".equals(actionBody))){
 169                                 saveActionBody(policyName, actionBody);
 170                                 isAttribute = true;
 171                         } else {
 172                                 if(!getAttribute()){
 173                                         LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Could not find " + comboDictValue + " in the ActionPolicyDict table.");
 174                                         return false;
 175                                 }
 176                         }
 177
 178                         PolicyType actionPolicy = (PolicyType) policyAdapter.getData();
 179                         actionPolicy.setDescription(policyAdapter.getPolicyDescription());
 180                         actionPolicy.setRuleCombiningAlgId(policyAdapter.getRuleCombiningAlgId());
 181
 182                         AllOfType allOf = new AllOfType();
 183
 184                         Map<String, String> dynamicFieldComponentAttributes = policyAdapter.getDynamicFieldConfigAttributes();
 185
 186                         // If there is any dynamic field attributes create the matches here
 187                         for (String keyField : dynamicFieldComponentAttributes.keySet()) {
 188                                 String key = keyField;
 189                                 String value = dynamicFieldComponentAttributes.get(key);
 190                                 MatchType dynamicMatch = createDynamicMatch(key, value);
 191                                 allOf.getMatch().add(dynamicMatch);
 192                         }
 193
 194                         AnyOfType anyOf = new AnyOfType();
 195                         anyOf.getAllOf().add(allOf);
 196
 197                         TargetType target = new TargetType();
 198                         target.getAnyOf().add(anyOf);
 199
 200                         // Adding the target to the policy element
 201                         actionPolicy.setTarget(target);
 202
 203                         RuleType rule = new RuleType();
 204                         rule.setRuleId(policyAdapter.getRuleID());
 205
 206                         rule.setEffect(EffectType.PERMIT);
 207                         rule.setTarget(new TargetType());
 208
 209                         dynamicLabelRuleAlgorithms = policyAdapter.getDynamicRuleAlgorithmLabels();
 210                         dynamicFieldFunctionRuleAlgorithms = policyAdapter.getDynamicRuleAlgorithmCombo();
 211                         dynamicFieldOneRuleAlgorithms = policyAdapter.getDynamicRuleAlgorithmField1();
 212                         dynamicFieldTwoRuleAlgorithms = policyAdapter.getDynamicRuleAlgorithmField2();
 213                         //dropDownMap = policyAdapter.getDropDownMap();
 214                         dropDownMap = createDropDownMap();
 215
 216                         // Rule attributes are optional and dynamic so check and add them to condition.
 217                         if (dynamicLabelRuleAlgorithms != null && dynamicLabelRuleAlgorithms.size() > 0) {
 218                                 boolean isCompound = false;
 219                                 ConditionType condition = new ConditionType();
 220                                 int index = dynamicFieldOneRuleAlgorithms.size() - 1;
 221
 222                                 for (String labelAttr : dynamicLabelRuleAlgorithms) {
 223                                         // if the rule algorithm as a label means it is a compound
 224                                         if (dynamicFieldOneRuleAlgorithms.get(index).toString().equals(labelAttr)) {
 225                                                 ApplyType actionApply = new ApplyType();
 226
 227                                                 String selectedFunction = (String) dynamicFieldFunctionRuleAlgorithms.get(index).toString();
 228                                                 String value1 = (String) dynamicFieldOneRuleAlgorithms.get(index).toString();
 229                                                 String value2 = dynamicFieldTwoRuleAlgorithms.get(index).toString();
 230                                                 actionApply.setFunctionId(dropDownMap.get(selectedFunction));
 231                                                 actionApply.getExpression().add(new ObjectFactory().createApply(getInnerActionApply(value1)));
 232                                                 actionApply.getExpression().add(new ObjectFactory().createApply(getInnerActionApply(value2)));
 233                                                 condition.setExpression(new ObjectFactory().createApply(actionApply));
 234                                                 isCompound = true;
 235                                         }
 236                                 }
 237                                 // if rule algorithm not a compound
 238                                 if (!isCompound) {
 239                                         condition.setExpression(new ObjectFactory().createApply(getInnerActionApply(dynamicLabelRuleAlgorithms.get(index).toString())));
 240                                 }
 241                                 rule.setCondition(condition);
 242                         }
 243                         // set the obligations to rule
 244                         rule.setObligationExpressions(getObligationExpressions());
 245                         actionPolicy.getCombinerParametersOrRuleCombinerParametersOrVariableDefinition().add(rule);
 246                         policyAdapter.setPolicyData(actionPolicy);
 247                 }  else {
 248                         PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + "Unsupported data object." + policyAdapter.getData().getClass().getCanonicalName());
 249                 }
 250
 251                 setPreparedToSave(true);
 252                 return true;
 253         }
 254
 255         // Saving the json Configurations file if exists at server location for action policy.
 256         private void saveActionBody(String policyName, String actionBodyData) {
 257                 try {
 258                         if(policyName.endsWith(".xml")){
 259                                 policyName = policyName.replace(".xml", "");
 260                         }
 261                         File file = new File(ACTION_HOME+ File.separator + policyName + ".json");
 262                         FileWriter fw = new FileWriter(file.getAbsoluteFile());
 263                         BufferedWriter bw = new BufferedWriter(fw);
 264                         bw.write(actionBodyData);
 265                         bw.close();
 266                         if (LOGGER.isInfoEnabled()) {
 267                                 LOGGER.info("Action Body is succesfully saved at " + file.getAbsolutePath());
 268                         }
 269                 } catch (IOException e) {
 270                         LOGGER.error("Exception Occured"+e);
 271                 }
 272         }
 273
 274         // Data required for obligation part is setting here.
 275         private ObligationExpressionsType getObligationExpressions() {
 276                 ObligationExpressionsType obligations = new ObligationExpressionsType();
 277
 278                 ObligationExpressionType obligation = new ObligationExpressionType();
 279         String comboDictValue = policyAdapter.getActionAttribute();
 280                 obligation.setObligationId(comboDictValue);
 281                 obligation.setFulfillOn(EffectType.PERMIT);
 282
 283                 // Add Action Assignment:
 284                 AttributeAssignmentExpressionType assignment1 = new AttributeAssignmentExpressionType();
 285                 assignment1.setAttributeId(PERFORMER_ATTRIBUTEID);
 286                 assignment1.setCategory(CATEGORY_RECIPIENT_SUBJECT);
 287
 288                 AttributeValueType actionNameAttributeValue = new AttributeValueType();
 289                 actionNameAttributeValue.setDataType(STRING_DATATYPE);
 290                 actionNameAttributeValue.getContent().add(performer.get(policyAdapter.getActionPerformer()));
 291
 292                 assignment1.setExpression(new ObjectFactory().createAttributeValue(actionNameAttributeValue));
 293                 obligation.getAttributeAssignmentExpression().add(assignment1);
 294
 295                 // Add Type Assignment:
 296                 AttributeAssignmentExpressionType assignmentType = new AttributeAssignmentExpressionType();
 297                 assignmentType.setAttributeId(TYPE_ATTRIBUTEID);
 298                 assignmentType.setCategory(CATEGORY_RESOURCE);
 299
 300                 AttributeValueType typeAttributeValue = new AttributeValueType();
 301                 typeAttributeValue.setDataType(STRING_DATATYPE);
 302                 String actionDictType = policyAdapter.getActionDictType();
 303                 typeAttributeValue.getContent().add(actionDictType);
 304
 305                 assignmentType.setExpression(new ObjectFactory().createAttributeValue(typeAttributeValue));
 306                 obligation.getAttributeAssignmentExpression().add(assignmentType);
 307
 308                 // Add Rest_URL Assignment:
 309                 AttributeAssignmentExpressionType assignmentURL = new AttributeAssignmentExpressionType();
 310                 assignmentURL.setAttributeId(URL_ATTRIBUTEID);
 311                 assignmentURL.setCategory(CATEGORY_RESOURCE);
 312
 313                 AttributeValueType actionURLAttributeValue = new AttributeValueType();
 314                 actionURLAttributeValue.setDataType(URI_DATATYPE);
 315                 String actionDictUrl = policyAdapter.getActionDictUrl();
 316                 actionURLAttributeValue.getContent().add(actionDictUrl);
 317
 318                 assignmentURL.setExpression(new ObjectFactory().createAttributeValue(actionURLAttributeValue));
 319                 obligation.getAttributeAssignmentExpression().add(assignmentURL);
 320
 321                 // Add Method Assignment:
 322                 AttributeAssignmentExpressionType assignmentMethod = new AttributeAssignmentExpressionType();
 323                 assignmentMethod.setAttributeId(METHOD_ATTRIBUTEID);
 324                 assignmentMethod.setCategory(CATEGORY_RESOURCE);
 325
 326                 AttributeValueType methodAttributeValue = new AttributeValueType();
 327                 methodAttributeValue.setDataType(STRING_DATATYPE);
 328                 String actionDictMethod = policyAdapter.getActionDictMethod();
 329                 methodAttributeValue.getContent().add(actionDictMethod);
 330
 331                 assignmentMethod.setExpression(new ObjectFactory().createAttributeValue(methodAttributeValue));
 332                 obligation.getAttributeAssignmentExpression().add(assignmentMethod);
 333
 334                 // Add JSON_URL Assignment:
 335                 String actionBody = policyAdapter.getActionBody();
 336                 if (actionBody != null) {
 337                         AttributeAssignmentExpressionType assignmentJsonURL = new AttributeAssignmentExpressionType();
 338                         assignmentJsonURL.setAttributeId(BODY_ATTRIBUTEID);
 339                         assignmentJsonURL.setCategory(CATEGORY_RESOURCE);
 340
 341                         AttributeValueType jsonURLAttributeValue = new AttributeValueType();
 342                         jsonURLAttributeValue.setDataType(URI_DATATYPE);
 343                         jsonURLAttributeValue.getContent().add(CONFIG_URL + "/Action/"  + policyName + ".json");
 344
 345                         assignmentJsonURL.setExpression(new ObjectFactory().createAttributeValue(jsonURLAttributeValue));
 346                         obligation.getAttributeAssignmentExpression().add(assignmentJsonURL);
 347                 }
 348
 349                 String headerVal = policyAdapter.getActionDictHeader();
 350                 if(headerVal != null){
 351                         if(headerVal != null && !headerVal.equals("")){
 352                                 // parse it on : to get number of headers
 353                                 String[] result = headerVal.split(":");
 354                                 for (String eachString : result){
 355                                         // parse each value on =
 356                                         String[] textFieldVals = eachString.split("=");
 357                                         obligation.getAttributeAssignmentExpression().add(addDynamicHeaders(textFieldVals[0], textFieldVals[1]));
 358                                 }
 359                         }
 360
 361                 }
 362
 363                 obligations.getObligationExpression().add(obligation);
 364                 return obligations;
 365         }
 366
 367
 368         // if compound setting the inner apply here
 369         protected ApplyType getInnerActionApply(String value1Label) {
 370                 ApplyType actionApply = new ApplyType();
 371                 int index = 0;
 372                 // check the index for the label.
 373                 for (String labelAttr : dynamicLabelRuleAlgorithms) {
 374                         if (labelAttr.equals(value1Label)) {
 375                                 String value1 = dynamicFieldOneRuleAlgorithms.get(index).toString();
 376                                 // check if the row contains label again
 377                                 for (String labelValue : dynamicLabelRuleAlgorithms) {
 378                                         if (labelValue.equals(value1)) {
 379                                                 return getCompoundApply(index);
 380                                         }
 381                                 }
 382
 383                                 // Getting the values from the form.
 384                                 String functionKey = dynamicFieldFunctionRuleAlgorithms.get(index).toString();
 385                                 String value2 = dynamicFieldTwoRuleAlgorithms.get(index).toString();
 386                                 actionApply.setFunctionId(dropDownMap.get(functionKey));
 387                                 // if two text field are rule attributes.
 388                                 if ((value1.contains(RULE_VARIABLE)) && (value2.contains(RULE_VARIABLE))) {
 389                                         ApplyType innerActionApply1 = new ApplyType();
 390                                         ApplyType innerActionApply2 = new ApplyType();
 391                                         AttributeDesignatorType attributeDesignator1 = new AttributeDesignatorType();
 392                                         AttributeDesignatorType attributeDesignator2 = new AttributeDesignatorType();
 393                                         // If selected function is Integer function set integer functionID
 394                                         if (functionKey.toLowerCase().contains("integer")) {
 395                                                 innerActionApply1.setFunctionId(FUNTION_INTEGER_ONE_AND_ONLY);
 396                                                 innerActionApply2.setFunctionId(FUNTION_INTEGER_ONE_AND_ONLY);
 397                                                 attributeDesignator1.setDataType(INTEGER_DATATYPE);
 398                                                 attributeDesignator2.setDataType(INTEGER_DATATYPE);
 399                                         } else {
 400                                                 // If selected function is not a Integer function
 401                                                 // set String functionID
 402                                                 innerActionApply1.setFunctionId(FUNCTION_STRING_ONE_AND_ONLY);
 403                                                 innerActionApply2.setFunctionId(FUNCTION_STRING_ONE_AND_ONLY);
 404                                                 attributeDesignator1.setDataType(STRING_DATATYPE);
 405                                                 attributeDesignator2.setDataType(STRING_DATATYPE);
 406                                         }
 407                                         attributeDesignator1.setCategory(CATEGORY_RESOURCE);
 408                                         attributeDesignator2.setCategory(CATEGORY_RESOURCE);
 409
 410                                         // Here set actual field values
 411                                         attributeDesignator1.setAttributeId(value1.contains("resource:") ? value1.substring(9): value1.substring(8));
 412                                         attributeDesignator2.setAttributeId(value1.contains("resource:") ? value1.substring(9): value1.substring(8));
 413
 414                                         innerActionApply1.getExpression().add(new ObjectFactory().createAttributeDesignator(attributeDesignator1));
 415                                         innerActionApply2.getExpression().add(new ObjectFactory().createAttributeDesignator(attributeDesignator2));
 416
 417                                         actionApply.getExpression().add(new ObjectFactory().createApply(innerActionApply1));
 418                                         actionApply.getExpression().add(new ObjectFactory().createApply(innerActionApply2));
 419
 420                                 } else {// if either of one text field is rule attribute.
 421                                         ApplyType innerActionApply = new ApplyType();
 422                                         AttributeDesignatorType attributeDesignator = new AttributeDesignatorType();
 423                                         AttributeValueType actionConditionAttributeValue = new AttributeValueType();
 424
 425                                         if (functionKey.toLowerCase().contains("integer")) {
 426                                                 innerActionApply.setFunctionId(FUNTION_INTEGER_ONE_AND_ONLY);
 427                                                 actionConditionAttributeValue.setDataType(INTEGER_DATATYPE);
 428                                                 attributeDesignator.setDataType(INTEGER_DATATYPE);
 429                                         } else {
 430                                                 innerActionApply.setFunctionId(FUNCTION_STRING_ONE_AND_ONLY);
 431                                                 actionConditionAttributeValue.setDataType(STRING_DATATYPE);
 432                                                 attributeDesignator.setDataType(STRING_DATATYPE);
 433                                         }
 434
 435                                         String attributeId = null;
 436                                         String attributeValue = null;
 437
 438                                         // Find which textField has rule attribute and set it as
 439                                         attributeId = value1;
 440                                         attributeValue = value2;
 441
 442                                         if (attributeId != null) {
 443                                                 attributeDesignator.setCategory(CATEGORY_RESOURCE);
 444                                                 attributeDesignator.setAttributeId(attributeId);
 445                                         }
 446                                         actionConditionAttributeValue.getContent().add(attributeValue);
 447                                         innerActionApply.getExpression().add(new ObjectFactory().createAttributeDesignator(attributeDesignator));
 448                                         // Decide the order of element based the values.
 449                                         if (attributeId.equals(value1)) {
 450                                                 actionApply.getExpression().add(new ObjectFactory().createApply(innerActionApply));
 451                                                 actionApply.getExpression().add(new ObjectFactory().createAttributeValue(actionConditionAttributeValue));
 452                                         } else {
 453                                                 actionApply.getExpression().add(new ObjectFactory().createAttributeValue(actionConditionAttributeValue));
 454                                                 actionApply.getExpression().add(new ObjectFactory().createApply(innerActionApply));
 455                                         }
 456                                 }
 457                         }
 458                         index++;
 459                 }
 460                 return actionApply;
 461         }
 462
 463         // if the rule algorithm is multiple compound one setting the apply
 464         protected ApplyType getCompoundApply(int index) {
 465                 ApplyType actionApply = new ApplyType();
 466                 String selectedFunction = dynamicFieldFunctionRuleAlgorithms.get(index).toString();
 467                 String value1 = dynamicFieldOneRuleAlgorithms.get(index).toString();
 468                 String value2 = dynamicFieldTwoRuleAlgorithms.get(index).toString();
 469                 actionApply.setFunctionId(dropDownMap.get(selectedFunction));
 470                 actionApply.getExpression().add(new ObjectFactory().createApply(getInnerActionApply(value1)));
 471                 actionApply.getExpression().add(new ObjectFactory().createApply(getInnerActionApply(value2)));
 472                 return actionApply;
 473         }
 474
 475         // Adding the dynamic headers if any
 476         private AttributeAssignmentExpressionType addDynamicHeaders(String header, String value) {
 477                 AttributeAssignmentExpressionType assignmentHeaders = new AttributeAssignmentExpressionType();
 478                 assignmentHeaders.setAttributeId("headers:" + header);
 479                 assignmentHeaders.setCategory(CATEGORY_RESOURCE);
 480
 481                 AttributeValueType headersAttributeValue = new AttributeValueType();
 482                 headersAttributeValue.setDataType(STRING_DATATYPE);
 483                 headersAttributeValue.getContent().add(value);
 484
 485                 assignmentHeaders.setExpression(new ObjectFactory().createAttributeValue(headersAttributeValue));
 486                 return assignmentHeaders;
 487         }
 488
 489         private Map<String,String> createDropDownMap(){
 490                 JPAUtils jpaUtils = null;
 491                 Map<String, String> dropDownMap = new HashMap<>();
 492                 try {
 493                         jpaUtils = JPAUtils.getJPAUtilsInstance(XACMLPapServlet.getEmf());
 494                 } catch (Exception e) {
 495                         LOGGER.error("Exception Occured"+e);
 496                 }
 497                 if(jpaUtils != null){
 498                         Map<Datatype, List<FunctionDefinition>> functionMap = jpaUtils.getFunctionDatatypeMap();
 499
 500                         for (Datatype id : functionMap.keySet()) {
 501                                 List<FunctionDefinition> functionDefinitions = (List<FunctionDefinition>) functionMap
 502                                                 .get(id);
 503                                 for (FunctionDefinition functionDef : functionDefinitions) {
 504                                         dropDownMap.put(functionDef.getShortname(),functionDef.getXacmlid());
 505                                 }
 506                         }
 507                 }
 508                 return dropDownMap;
 509         }
 510
 511         @Override
 512         public Object getCorrectPolicyDataObject() {
 513                 return policyAdapter.getPolicyData();
 514         }
 515
 516 }