public WADOSupportDTO getWADOSupportDTO(String study, String series, String image) {
   String user = NCIAConfig.getGuestUsername();
   return getWADOSupportDTO(study, series, image, user);
 }
  @Transactional(propagation = Propagation.REQUIRED)
  public List<DICOMSupportDTO> getDICOMSupportDTO(
      DICOMParameters params, List<String> extraFields) {
    List<DICOMSupportDTO> returnValues = new ArrayList<DICOMSupportDTO>();

    try {
      String user = NCIAConfig.getGuestUsername();

      String queryString = DICOM_QUERY;
      List<String> parameterList = new ArrayList<String>();
      if (params.getPatientName() != null) {
        queryString = queryString + " and p.patient_name like ?";
        parameterList.add(params.getPatientName());
        log.info("added patient name to query : " + params.getPatientName());
      }
      if (params.getPatientID() != null) {
        queryString = queryString + " and p.patient_id like ?";
        parameterList.add(params.getPatientID());
        log.info("added patient id to query : " + params.getPatientID());
      }
      if (params.getStudyInstanceUID() != null) {
        queryString = queryString + " and gs.study_instance_uid like ?";
        parameterList.add(params.getStudyInstanceUID());
        log.info("added study instance uid to query : " + params.getStudyInstanceUID());
      }
      if (params.getSeriesInstanceUID() != null) {
        queryString = queryString + " and gs.series_instance_uid like ?";
        parameterList.add(params.getSeriesInstanceUID());
        log.info("added series instance uid to query : " + params.getSeriesInstanceUID());
      }
      if (params.getStudyDescription() != null) {
        queryString = queryString + " and s.study_description like ?";
        parameterList.add(params.getStudyDescription());
        log.info("added study description to query : " + params.getStudyDescription());
      }
      SQLQuery query =
          this.getHibernateTemplate()
              .getSessionFactory()
              .getCurrentSession()
              .createSQLQuery(queryString);
      int p = 0;
      for (String param : parameterList) {
        query.setString(p, param.trim());
        p++;
      }
      List<Object[]> images = query.list();
      if (images.size() == 0) {
        log.error("images not found");
        // returnValue.setErrors("images not found");
        return returnValues;
      }
      List<SiteData> authorizedSites;
      UserObject uo = userTable.get(user);
      if (uo != null) {
        authorizedSites = uo.getAuthorizedSites();
        if (authorizedSites == null) {
          AuthorizationManager manager = new AuthorizationManager(user);
          authorizedSites = manager.getAuthorizedSites();
          uo.setAuthorizedSites(authorizedSites);
        }
      } else {
        System.out.println("the user is " + user);
        AuthorizationManager manager = new AuthorizationManager(user);
        authorizedSites = manager.getAuthorizedSites();
        uo = new UserObject();
        uo.setAuthorizedSites(authorizedSites);
        userTable.put(user, uo);
      }
      for (int i = 0; i < images.size(); i++) {
        String collection = (String) images.get(0)[0];
        String site = (String) images.get(0)[1];
        boolean isAuthorized = false;
        for (SiteData siteData : authorizedSites) {
          if (siteData.getCollection().equals(collection)) {
            if (siteData.getSiteName().equals(site)) {
              isAuthorized = true;
              break;
            }
          }
        }
        if (!isAuthorized) {
          System.out.println("User: "******" not authorized");
          continue; // not authorized
        }
        String filePath = (String) images.get(0)[2];
        String patientName = (String) images.get(0)[3];
        String patientID = (String) images.get(0)[4];
        String modality = (String) images.get(0)[5];
        String studyDate = null;
        try {
          studyDate = ((Date) images.get(0)[6]).toString();
        } catch (Exception e) {
          // its null
        }
        String studyTime = null;
        try {
          studyTime = ((java.math.BigDecimal) images.get(0)[7]).toString();
        } catch (Exception e) {
          // its null
        }
        String accessionNumber = null;
        try {
          accessionNumber = ((java.math.BigDecimal) images.get(0)[8]).toString();
        } catch (Exception e) {
          // its null
        }
        String studyID = (String) images.get(0)[9];
        String studyDescription = (String) images.get(0)[10];
        String seriesNumber = ((Object) images.get(0)[11]).toString();
        String seriesInstanceUID = (String) images.get(0)[12];
        String seriesDescription = (String) images.get(0)[13];
        String referringPhysicianName = "not implemented";
        String patientBirthDate = null;
        try {
          patientBirthDate = ((Date) images.get(0)[14]).toString();
        } catch (Exception e) {
          // its null
        }
        String modalitiesInStudy = (String) images.get(0)[15];
        String studyInstanceUID = (String) images.get(0)[16];
        String sOPInstanceUID = (String) images.get(0)[17];
        File imageFile = new File(filePath);
        if (!imageFile.exists()) {
          log.error("File " + filePath + " does not exist");
          // returnValue.setErrors("File does not exist");
          // return returnValue;
        } else {
          DICOMSupportDTO returnItem = new DICOMSupportDTO();
          returnItem.setFilePath(imageFile.getPath());
          returnItem.setFileName(imageFile.getName());
          returnItem.setFileSize(new Long(imageFile.length()).toString());
          Hashtable<String, String> extraFieldMap = new Hashtable<String, String>();
          extraFieldMap.put("PatientName", stringForNull(patientName));
          extraFieldMap.put("PatientID", stringForNull(patientID));
          extraFieldMap.put("Modality", stringForNull(modality));
          extraFieldMap.put("StudyDate", stringForNull(studyDate));
          extraFieldMap.put("StudyTime", stringForNull(studyTime));
          extraFieldMap.put("AccessionNumber", stringForNull(accessionNumber));
          extraFieldMap.put("StudyID", stringForNull(studyID));
          extraFieldMap.put("StudyDescription", stringForNull(studyDescription));
          extraFieldMap.put("SeriesNumber", stringForNull(seriesNumber));
          extraFieldMap.put("SeriesInstanceUID", stringForNull(seriesInstanceUID));
          extraFieldMap.put("SeriesDescription", stringForNull(seriesDescription));
          extraFieldMap.put("ReferringPhysicianName", stringForNull(referringPhysicianName));
          extraFieldMap.put("PatientBirthDate", stringForNull(patientBirthDate));
          extraFieldMap.put("ModalitiesInStudy", stringForNull(modalitiesInStudy));
          extraFieldMap.put("StudyInstanceUID", stringForNull(studyInstanceUID));
          extraFieldMap.put("SOPInstanceUID", stringForNull(sOPInstanceUID));
          returnItem.setFieldMap(extraFieldMap);
          returnValues.add(returnItem);
          log.info("added dicom dto " + returnItem.toString());
        }
      }

    } catch (Exception e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
      // returnValue.setErrors("unable to process request");
      return returnValues;
    }

    return returnValues;
  }