OIM API Provision Role Based on Start and End Date using Request Engine

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.List;
import javax.security.auth.login.LoginException;
import oracle.iam.api.OIMService;
import oracle.iam.exception.OIMServiceException;
import oracle.iam.identity.exception.NoSuchUserException;
import oracle.iam.identity.exception.UserLookupException;
import oracle.iam.identity.usermgmt.api.UserManager;
import oracle.iam.identity.usermgmt.api.UserManagerConstants;
import oracle.iam.identity.usermgmt.vo.User;
import oracle.iam.platform.OIMClient;
import oracle.iam.platform.Platform;
import oracle.iam.platform.utils.vo.OIMType;
import oracle.iam.request.vo.Beneficiary;
import oracle.iam.request.vo.RequestBeneficiaryEntity;
import oracle.iam.request.vo.RequestBeneficiaryEntityAttribute;
import oracle.iam.request.vo.RequestConstants;
import oracle.iam.request.vo.RequestData;

public class ProvisionRole {

 public static void main(String[] args) throws Exception {
  init();
  requestToProvisionRole("GTCUSER8", "TestRole1", "6");

  // getUserKeyByUserLogin("ABHILARE");
 }

 private static OIMClient oimClient;

 public static void init() throws LoginException {
  
  String oimURL = "t3://localhost:14000";

  String authwlFilePath = "D:\\PS2Designconsole\\designconsole\\config\\authwl.conf";

  String oimUserName = "GTCUSER8";
  String oimPassword = "Welcome1";

  Hashtable<String, String> env = new Hashtable<String, String>();
  env.put(OIMClient.JAVA_NAMING_FACTORY_INITIAL, "weblogic.jndi.WLInitialContextFactory");
  env.put(OIMClient.JAVA_NAMING_PROVIDER_URL, oimURL);
  System.setProperty("java.security.auth.login.config", authwlFilePath);
  System.setProperty("APPSERVER_TYPE", "wls");
  System.setProperty("OIM.AppServerType", "wls");
  oimClient = new OIMClient(env);
  oimClient.login(oimUserName, oimPassword.toCharArray());
  System.out.println("Connection Successful..!!");

 }

 public static oracle.iam.vo.OperationResult requestToProvisionRole(String userLogin, String entitlementName,
   String entKey) throws NoSuchUserException, UserLookupException, OIMServiceException, ParseException {
  System.out.println("requestToProvisionRole");

  String usrKey = getUserKeyByUserLogin(userLogin);

  RequestBeneficiaryEntity reqBenefEntity = new RequestBeneficiaryEntity();
  reqBenefEntity.setRequestEntityType(OIMType.Role);
  reqBenefEntity.setEntityKey(entKey);
  reqBenefEntity.setOperation(RequestConstants.MODEL_ASSIGN_ROLES_OPERATION);
  reqBenefEntity.setEntitySubType("work");
  List<RequestBeneficiaryEntityAttribute> entityAttributes = new ArrayList<>();
  java.sql.Date stDate;
  java.util.Date parseDate;
  SimpleDateFormat sdf = new SimpleDateFormat("yyy-MM-dd'T'HH:mmZ");
  sdf.setLenient(false);
  parseDate = sdf.parse("2018-09-14T03:00+0530");
  stDate = new java.sql.Date(parseDate.getTime());

  java.sql.Date edDate;
  parseDate = sdf.parse("2018-09-23T05:20+0530");
  edDate = new java.sql.Date(parseDate.getTime());

  
  
  
  RequestBeneficiaryEntityAttribute startDate = new RequestBeneficiaryEntityAttribute("startDate", stDate,
    RequestBeneficiaryEntityAttribute.TYPE.Date);
  RequestBeneficiaryEntityAttribute endDate = new RequestBeneficiaryEntityAttribute("endDate", edDate,
    RequestBeneficiaryEntityAttribute.TYPE.Date);

  entityAttributes.add(startDate);
  entityAttributes.add(endDate);
  reqBenefEntity.setEntityData(entityAttributes);

  List<RequestBeneficiaryEntity> entities = new ArrayList<RequestBeneficiaryEntity>();
  entities.add(reqBenefEntity);

  Beneficiary beneficiary = new Beneficiary();
  beneficiary.setBeneficiaryKey(usrKey);
  beneficiary.setBeneficiaryType(Beneficiary.USER_BENEFICIARY);
  beneficiary.setTargetEntities(entities);
  List<Beneficiary> beneficiaries = new ArrayList<Beneficiary>();
  beneficiaries.add(beneficiary);

  RequestData reqData = new RequestData();
  reqData.setBeneficiaries(beneficiaries);

  OIMService oimService = oimClient.getService(OIMService.class);
  oracle.iam.vo.OperationResult result = oimService.doOperation(reqData, OIMService.Intent.REQUEST);
  String reqKey = result.getRequestID();

  System.out.println("Status : " + result.getOperationStatus());
  System.out.println("Request ID: " + result.getRequestID());
  // System.out.println("Entity ID : " + result.getEntityId());

  return result;

 }

 private static String getUserKeyByUserLogin(String userLogin) throws NoSuchUserException, UserLookupException {
  boolean userLoginUsed = true;
  HashSet<String> attrsToFetch = new HashSet<String>();
  attrsToFetch.add(UserManagerConstants.AttributeName.USER_KEY.getId());
  attrsToFetch.add(UserManagerConstants.AttributeName.USER_LOGIN.getId());
  UserManager usrMgrOps = oimClient.getService(UserManager.class);
  User user = usrMgrOps.getDetails(userLogin, attrsToFetch, userLoginUsed);
  System.out.println(user.getEntityId());
  return user.getEntityId();
 }
}