Unique username generation code[assuming employee id is unique attribute] in buildmap rule

import sailpoint.connector.DelimitedFileConnector;

import sailpoint.object.Identity;

import sailpoint.object.QueryOptions;

import sailpoint.object.Filter;  

import java.util.*;

HashMap map = DelimitedFileConnector.defaultBuildMap(cols,record);

String employeeId = map.get("employeeId");

String firstName = map.get("firstName");

String lastName = map.get("lastName");

String userName = null;

System.out.println(employeeId+firstName+lastName);

QueryOptions qo = new QueryOptions();

qo.addFilter(Filter.eq("employeeId",employeeId));

Iterator users = context.search(Identity.class, qo);

while (users.hasNext()) {

Identity user = (Identity)users.next();

       userName = user.getName();

}

System.out.println(userName);

if(userName == null){

 

if(firstName != null &&  lastName != null){

   userName = firstName.trim()+"."+lastName.trim();

}

else if(firstName != null){

   userName = firstName.trim();

}

else if(lastName != null){

   userName = lastName.trim();

}

boolean isUnique = false;  

Identity searchedUser = null;

String temp = userName;

int count = 0;

 while(!isUnique){

    count = count +1;

    searchedUser = context.getObjectByName(Identity.class,temp);

     if(searchedUser != null){

        temp = userName +""+ count;

     }

   else{

     isUnique = true;

     userName = temp;

  }

 }

 

 userName = userName.toLowerCase();

}

map.put( "userName", userName );

return map;