how to fetch IT roles based on entitlements in SailPoint IIQ?

import java.util.ArrayList;

import java.util.List;

import sailpoint.api.SailPointContext;

import sailpoint.object.Bundle;

import sailpoint.object.Filter;

import sailpoint.object.Profile;

import sailpoint.object.QueryOptions; 

String appName="Mighty";

String entitlementName = "DPA";

QueryOptions profileQo = new QueryOptions();

profileQo.addFilter(Filter.eq("application.name", appName));

  List bundles = new ArrayList();

  List profiles = context.getObjects(Profile.class, profileQo);

  if (profiles != null) {

    for (Object profileObj : profiles) {

      Profile p = (Profile) profileObj;

      List constraints = p.getConstraints();

      List filterList = null;

  

      if (constraints != null) {

        for (Object filter : constraints) {

          filterList = new ArrayList();

          if (filter instanceof sailpoint.object.Filter.LeafFilter) {

            sailpoint.object.Filter.LeafFilter f = (sailpoint.object.Filter.LeafFilter) filter;

            //Filter can have multiple values 

            Object value = f.getValue();

            if (value instanceof ArrayList) {

              ArrayList entitlements = new ArrayList();

              entitlements = (ArrayList) value;

              for (Object obj : entitlements) {

                if (obj.toString().equals(entitlementName)) {

                  Bundle bun = p.getBundle();

                  bundles.add(bun.getName());

                }

              }

            }

          }

        }

      }

    }

  }

  return bundles;