[1227] | 1 | package gov.va.med.edp.dao.rpc;
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| 2 |
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| 3 | import gov.va.med.edp.dao.SessionDao;
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| 4 | import gov.va.med.edp.vo.SessionVO;
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| 5 | import org.springframework.dao.DataAccessException;
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| 6 | import org.springframework.dao.DataRetrievalFailureException;
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| 7 | import org.w3c.dom.Document;
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| 8 | import org.w3c.dom.Element;
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| 9 | import org.xml.sax.InputSource;
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| 10 | import org.xml.sax.SAXException;
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| 11 |
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| 12 | import javax.xml.parsers.DocumentBuilder;
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| 13 | import javax.xml.parsers.DocumentBuilderFactory;
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| 14 | import javax.xml.parsers.ParserConfigurationException;
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| 15 | import java.io.IOException;
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| 16 | import java.io.StringReader;
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| 17 | import java.util.HashMap;
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| 18 | import java.util.Map;
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| 19 |
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| 20 | public class VistaLinkSessionDao extends VistaLinkTrackingDao implements SessionDao {
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| 21 | private static final String UNABLE_TO_GET_USER_INFO = "unable to get user info";
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| 22 |
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| 23 | public SessionVO getSessionInfo(String stationNumber, String duz) throws DataAccessException {
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| 24 | Map params = new HashMap();
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| 25 | params.put("command", "initUser");
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| 26 | String result = executeCommand(stationNumber, duz, params);
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| 27 | return createSessionInfo(result);
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| 28 | }
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| 29 |
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| 30 | private SessionVO createSessionInfo(String result) {
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| 31 | Document doc = buildDocument(result);
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| 32 |
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| 33 | SessionVO session = new SessionVO();
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| 34 | session.setServerPackageVersion(getServerPackageVersion(doc));
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| 35 | session.setTimeOutMillis(Integer.parseInt(getTimeout(doc)));
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| 36 | session.setCountDownMillis(Integer.parseInt(getCountdown(doc)));
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| 37 | return session;
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| 38 | }
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| 39 |
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| 40 | private String getServerPackageVersion(Document doc) {
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| 41 | return getUserElement(doc).getAttribute("version");
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| 42 | }
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| 43 |
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| 44 | private String getTimeout(Document doc) {
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| 45 | return getUserElement(doc).getAttribute("timeOut");
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| 46 | }
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| 47 |
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| 48 | private Element getUserElement(Document doc) {
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| 49 | return ((Element) doc.getDocumentElement().getElementsByTagName("user").item(0));
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| 50 | }
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| 51 |
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| 52 | private String getCountdown(Document doc) {
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| 53 | return getUserElement(doc).getAttribute("countDown");
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| 54 | }
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| 55 |
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| 56 | private Document buildDocument(String result) {
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| 57 | try {
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| 58 | DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
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| 59 | return builder.parse(new InputSource(new StringReader("<results>" + result + "</results>")));
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| 60 | } catch (ParserConfigurationException e) {
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| 61 | throw new DataRetrievalFailureException(UNABLE_TO_GET_USER_INFO, e);
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| 62 | } catch (IOException e) {
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| 63 | throw new DataRetrievalFailureException(UNABLE_TO_GET_USER_INFO, e);
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| 64 | } catch (SAXException e) {
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| 65 | throw new DataRetrievalFailureException(UNABLE_TO_GET_USER_INFO, e);
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| 66 | }
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| 67 | }
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| 68 |
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| 69 |
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| 70 | }
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