import com.oracle.e1.common.OrchestrationAttributes;
import java.text.SimpleDateFormat;

HashMap < String, Object > main(OrchestrationAttributes orchAttr, HashMap inputMap) {

 HashMap < String, Object > returnMap = new HashMap < String, Object > ();
 if (inputMap.get("CreditLimit") != null && inputMap.get("UnpaidAmount") != null) {

  try {


   BigDecimal creditLimit = new BigDecimal((String) inputMap.get("CreditLimit"));
   BigDecimal unpaidAmt = new BigDecimal((String) inputMap.get("UnpaidAmount"));

   if (creditLimit > 0) {

    BigDecimal usage = unpaidAmt.divide(creditLimit, 3, BigDecimal.ROUND_HALF_UP);

    if (usage != null) {
     usage = usage.multiply(new BigDecimal(100));
     returnMap.put("UsagePercent", String.valueOf(usage.doubleValue()));
    }
   } else if (unpaidAmt > 0) {
    returnMap.put("UsagePercent", "100.0");
   }
  } catch (Exception e) {
    //cannot format the numbers just set it to zero
    returnMap.put("UsagePercent", "0");
  }
 } else {
  //no data sent in
  returnMap.put("UsagePercent", "0");
 }

 return returnMap;
}