[1227] | 1 | package gov.va.med.edp.dao.rpc;
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| 2 |
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[1257] | 3 | import gov.va.med.edp.vistalink.VistaLinkTemplate;
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[1227] | 4 | import gov.va.med.edp.vo.BigBoardDebugInfoVO;
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| 5 | import gov.va.med.edp.dao.ServerPackageVersionDao;
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| 6 |
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| 7 | import java.util.Map;
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| 8 | import java.util.HashMap;
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| 9 | import java.io.StringReader;
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| 10 | import java.io.IOException;
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| 11 |
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[1257] | 12 | import gov.va.med.vistalink.adapter.spi.VistaLinkServerInfo;
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[1227] | 13 | import org.w3c.dom.Document;
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| 14 | import org.w3c.dom.Element;
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| 15 | import org.xml.sax.InputSource;
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| 16 | import org.xml.sax.SAXException;
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| 17 | import org.springframework.dao.DataAccessException;
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| 18 | import org.springframework.dao.DataRetrievalFailureException;
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| 19 |
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| 20 | import javax.xml.parsers.DocumentBuilder;
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| 21 | import javax.xml.parsers.DocumentBuilderFactory;
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| 22 | import javax.xml.parsers.ParserConfigurationException;
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| 23 |
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| 24 | /**
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| 25 | * TODO: document VistaLinkServerPackageVersionDao
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| 26 | */
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| 27 | public class VistaLinkServerPackageVersionDao extends VistaLinkBigBoardDao implements ServerPackageVersionDao {
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| 28 | private static final String UNABLE_TO_GET_VERSION_INFO = "unable to get version info";
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| 29 |
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| 30 | public String getServerPackageVersion(String stationNumber) {
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| 31 | Map params = new HashMap();
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| 32 | params.put("command", "initTracking");
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| 33 | String result = executeCommand(stationNumber, null, params);
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| 34 | return getVersion(result);
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| 35 | }
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| 36 |
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| 37 | public BigBoardDebugInfoVO getVistaLinkConnectionInfo(String stationNumber) throws DataAccessException {
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[1257] | 38 | VistaLinkServerInfo vistaLinkServerInfo = getRpcTemplate().getConnectionInfo(stationNumber, EDPTRACKING_APPLICATION_USER, VistaLinkTemplate.USER_TYPE_APPLICATION_PROXY);
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| 39 | BigBoardDebugInfoVO bbd = new BigBoardDebugInfoVO(vistaLinkServerInfo.getAddress().toString(), new Integer(vistaLinkServerInfo.getPort()).toString());
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| 40 | return bbd;
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| 41 | }
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[1227] | 42 |
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| 43 | private String getVersion(String result) {
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| 44 | Document doc = buildDocument(result);
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| 45 | return getVersion(doc);
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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 getVersion(Document doc) {
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| 53 | Element user = getUserElement(doc);
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| 54 | if (user == null) return null;
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| 55 | return user.getAttribute("version");
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| 56 | }
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| 57 |
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| 58 | private Document buildDocument(String result) {
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| 59 | try {
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| 60 | DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
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| 61 | return builder.parse(new InputSource(new StringReader("<results>" + result + "</results>")));
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| 62 | } catch (ParserConfigurationException e) {
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| 63 | throw new DataRetrievalFailureException(UNABLE_TO_GET_VERSION_INFO, e);
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| 64 | } catch (IOException e) {
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| 65 | throw new DataRetrievalFailureException(UNABLE_TO_GET_VERSION_INFO, e);
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| 66 | } catch (SAXException e) {
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| 67 | throw new DataRetrievalFailureException(UNABLE_TO_GET_VERSION_INFO, e);
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| 68 | }
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| 69 | }
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| 70 |
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| 71 | }
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