/**
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations under
* the License.
*
* The Original Code is OpenELIS code.
*
* Copyright (C) The Minnesota Department of Health. All Rights Reserved.
*/
package us.mn.state.health.lims.common.provider.query;
import java.io.IOException;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import us.mn.state.health.lims.common.exception.LIMSRuntimeException;
import us.mn.state.health.lims.common.log.LogEvent;
import us.mn.state.health.lims.common.servlet.validation.AjaxServlet;
import us.mn.state.health.lims.common.util.XMLUtil;
import us.mn.state.health.lims.observationhistory.dao.ObservationHistoryDAO;
import us.mn.state.health.lims.observationhistory.daoimpl.ObservationHistoryDAOImpl;
import us.mn.state.health.lims.observationhistory.valueholder.ObservationHistory;
import us.mn.state.health.lims.observationhistorytype.ObservationHistoryTypeMap;
import us.mn.state.health.lims.patient.valueholder.Patient;
public class HivStatusProvider extends BaseQueryProvider {
private static final String NOT_FOUND = "Not found";
/**
*
*/
private static final String HIV_STATUS_OH_TYPE = "hivStatus";
public HivStatusProvider() {
super();
}
public HivStatusProvider(AjaxServlet ajaxServlet) {
this.ajaxServlet = ajaxServlet;
}
public void processRequest(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
String patientId = (String) request.getParameter("patientId");
StringBuilder xml = new StringBuilder();
String result = findHivStatus(patientId, xml);
ajaxServlet.sendData(xml.toString(), result, request, response);
}
public String findHivStatus(String patientId, StringBuilder xml) throws LIMSRuntimeException {
String retVal = VALID;
try {
String hivStatus = findHIVStatusValue(patientId);
if( NOT_FOUND.equals(hivStatus)){
return INVALID;
}
XMLUtil.appendKeyValue(HIV_STATUS_OH_TYPE, hivStatus, xml);
} catch (Exception e) {
LogEvent.logError("HivStatusProvider","findHivStatus()", e.getMessage());
retVal = INVALID;
}
return retVal;
}
private String findHIVStatusValue(String patientId) {
Patient patient = new Patient();
patient.setId(patientId);
String typeId = ObservationHistoryTypeMap.getInstance().getIDForType(HIV_STATUS_OH_TYPE);
ObservationHistoryDAO ohDAO = new ObservationHistoryDAOImpl();
List<ObservationHistory> list = ohDAO.getAll(patient, null, typeId);
return list.isEmpty() ? NOT_FOUND : list.get(list.size() - 1).getValue();
}
}